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# 🔥 Miniflare
**Miniflare** is a simulator for developing and testing
[**Cloudflare Workers**](https://workers.cloudflare.com/), powered by
[`workerd`](https://github.com/cloudflare/workerd).
> :warning: Miniflare is a lower level API designed for tools creators, for
> locally developing Workers use tools built on top of Miniflare such
> as [Wrangler](../wrangler/README.md) or the [Cloudflare Vite plugin](../vite-plugin-cloudflare/README.md).
## Quick Start
```shell
$ npm install miniflare --save-dev
```
```js
import { Miniflare } from "miniflare";
// Create a new Miniflare instance, starting a workerd server
const mf = new Miniflare({
script: `addEventListener("fetch", (event) => {
event.respondWith(new Response("Hello Miniflare!"));
})`,
});
// Send a request to the workerd server, the host is ignored
const response = await mf.dispatchFetch("http://localhost:8787/");
console.log(await response.text()); // Hello Miniflare!
// Cleanup Miniflare, shutting down the workerd server
await mf.dispose();
```
## API
### `type Awaitable<T>`
`T | Promise<T>`
Represents a value that can be `await`ed. Used in callback types to allow
`Promise`s to be returned if necessary.
### `type Json`
`string | number | boolean | null | Record<string, Json> | Json[]`
Represents a JSON-serialisable value.
### `type ModuleRuleType`
`"ESModule" | "CommonJS" | "Text" | "Data" | "CompiledWasm"`
Represents how a module's contents should be interpreted.
- `"ESModule"`: interpret as
[ECMAScript module](https://tc39.es/ecma262/#sec-modules)
- `"CommonJS"`: interpret as
[CommonJS module](https://nodejs.org/api/modules.html#modules-commonjs-modules)
- `"Text"`: interpret as UTF8-encoded data, expose in runtime with
`string`-typed `default` export
- `"Data"`: interpret as arbitrary binary data, expose in runtime with
`ArrayBuffer`-typed `default` export
- `"CompiledWasm"`: interpret as binary WebAssembly module data, expose in
runtime with `WebAssembly.Module`-typed `default` export
### `interface ModuleDefinition`
Represents a manually defined module.
- `type: ModuleRuleType`
How this module's contents should be interpreted.
- `path: string`
Path of this module. The module's "name" will be obtained by converting this
to a relative path. The original path will be used to read `contents` if it's
omitted.
- `contents?: string | Uint8Array`
Contents override for this module. Binary data should be passed as
`Uint8Array`s. If omitted, will be read from `path`.
### `interface ModuleRule`
Represents a rule for identifying the `ModuleRuleType` of automatically located
modules.
- `type: ModuleRuleType`
How to interpret modules that match the `include` patterns.
- `include: string[]`
Glob patterns to match located module paths against (e.g. `["**/*.txt"]`).
- `fallthrough?: boolean`
If `true`, ignore any further rules of this `type`. This is useful for
disabling the built-in `ESModule` and `CommonJS` rules that match `*.mjs` and
`*.js`/`*.cjs` files respectively.
### `type Persistence`
`boolean | string | undefined`
Represents where data should be persisted, if anywhere.
- If this is `undefined`, it defaults to `true` if `defaultPersistRoot` is set
or otherwise defaults to `false`.
- If this is`false`, data will be stored in-memory and only
persist between `Miniflare#setOptions()` calls, not restarts nor
`new Miniflare` instances.
- If this is `true`, data will be stored in a subdirectory of the `defaultPersistRoot` path if `defaultPersistRoot` is set
or otherwise will be stored in a subdirectory of `$PWD/.mf`.
- If this looks like a URL, then:
- If the protocol is `memory:`, data will be stored in-memory as above.
- If the protocol is `file:`, data will be stored on the file-system, in the
specified directory (e.g. `file:///path/to/directory`).
- Otherwise, if this is just a regular `string`, data will be stored on the
file-system, using the value as the directory path.
### `enum LogLevel`
`NONE, ERROR, WARN, INFO, DEBUG, VERBOSE`
Controls which messages Miniflare logs. All messages at or below the selected
level will be logged.
### `interface LogOptions`
- `prefix?: string`
String to add before the level prefix when logging messages. Defaults to `mf`.
- `suffix?: string`
String to add after the level prefix when logging messages.
### `class Log`
- `constructor(level?: LogLevel, opts?: LogOptions)`
Creates a new logger that logs all messages at or below the specified level to
the `console`.
- `error(message: Error)`
Logs a message at the `ERROR` level. If the constructed log `level` is less
than `ERROR`, `throw`s the `message` instead.
- `warn(message: string)`
Logs a message at the `WARN` level.
- `info(message: string)`
Logs a message at the `INFO` level.
- `debug(message: string)`
Logs a message at the `DEBUG` level.
- `verbose(message: string)`
Logs a message at the `VERBOSE` level.
### `class NoOpLog extends Log`
- `constructor()`
Creates a new logger that logs nothing to the `console`, and always `throw`s
`message`s logged at the `ERROR` level.
### `interface QueueProducerOptions`
- `queueName: string`
The name of the queue where messages will be sent by the producer.
- `deliveryDelay?: number`
Default number of seconds to delay the delivery of messages to consumers.
Value between `0` (no delay) and `42300` (12 hours).
### `interface QueueConsumerOptions`
- `maxBatchSize?: number`
Maximum number of messages allowed in each batch. Defaults to `5`.
- `maxBatchTimeout?: number`
Maximum number of seconds to wait for a full batch. If a message is sent, and
this timeout elapses, a partial batch will be dispatched. Defaults to `1`.
- `maxRetries?: number`
Maximum number of times to retry dispatching a message, if handling it throws,
or it is explicitly retried. Defaults to `2`.
- `deadLetterQueue?: string`
Name of another Queue to send a message on if it fails processing after
`maxRetries`. If this isn't specified, failed messages will be discarded.
- `retryDelay?: number`
Number of seconds to delay the (re-)delivery of messages by default. Value
between `0` (no delay) and `42300` (12 hours).
### `interface WorkerOptions`
Options for an individual Worker/"nanoservice". All bindings are accessible on
the global scope in service-worker format Workers, or via the 2nd `env`
parameter in module format Workers.
### `interface WorkflowOptions`
- `name: string`
The name of the Workflow.
- `className: string`
The name of the class exported from the Worker that implements the `WorkflowEntrypoint`.
- `scriptName?`: string
The name of the script that includes the `WorkflowEntrypoint`. This is optional because it defaults to the current script if not set.
#### Core
- `name?: string`
Unique name for this worker. Only required if multiple `workers` are
specified.
- `rootPath?: string`
Path against which all other path options for this Worker are resolved
relative to. This path is itself resolved relative to the `rootPath` from
`SharedOptions` if multiple workers are specified. Defaults to the current
working directory.
- `script?: string`
JavaScript code for this worker. If this is a service worker format Worker, it
must not have any imports. If this is a modules format Worker, it must not
have any _npm_ imports, and `modules: true` must be set. If it does have
imports, `scriptPath` must also be set so Miniflare knows where to resolve
them relative to.
- `scriptPath?: string`
Path of JavaScript entrypoint. If this is a service worker format Worker, it
must not have any imports. If this is a modules format Worker, it must not
have any _npm_ imports, and `modules: true` must be set.
- `modules?: boolean | ModuleDefinition[]`
- If `true`, Miniflare will treat `script`/`scriptPath` as an ES Module and
automatically locate transitive module dependencies according to
`modulesRules`. Note that automatic location is not perfect: if the
specifier to a dynamic `import()` or `require()` is not a string literal, an
exception will be thrown.
- If set to an array, modules can be defined manually. Transitive dependencies
must also be defined. Note the first module must be the entrypoint and have
type `"ESModule"`.
- `modulesRoot?: string`
If `modules` is set to `true` or an array, modules' "name"s will be their
`path`s relative to this value. This ensures file paths in stack traces are
correct.
<!-- prettier-ignore-start -->
<!-- (for disabling `;` insertion in `js` code block) -->
- `modulesRules?: ModuleRule[]`
Rules for identifying the `ModuleRuleType` of automatically located modules
when `modules: true` is set. Note the following default rules are always
included at the end:
```js
[
{ type: "ESModule", include: ["**/*.mjs"] },
{ type: "CommonJS", include: ["**/*.js", "**/*.cjs"] },
]
```
> If `script` and `scriptPath` are set, and `modules` is set to an array,
> `modules` takes priority for a Worker's code, followed by `script`, then
> `scriptPath`.
<!-- prettier-ignore-end -->
- `compatibilityDate?: string`
[Compatibility date](https://developers.cloudflare.com/workers/platform/compatibility-dates/)
to use for this Worker. Defaults to a date far in the past.
- `compatibilityFlags?: string[]`
[Compatibility flags](https://developers.cloudflare.com/workers/platform/compatibility-dates/)
to use for this Worker.
- `bindings?: Record<string, Json>`
Record mapping binding name to arbitrary JSON-serialisable values to inject as
bindings into this Worker.
- `wasmBindings?: Record<string, string>`
Record mapping binding name to paths containing binary WebAssembly module data
to inject as `WebAssembly.Module` bindings into this Worker.
- `textBlobBindings?: Record<string, string>`
Record mapping binding name to paths containing UTF8-encoded data to inject as
`string` bindings into this Worker.
- `dataBlobBindings?: Record<string, string>`
Record mapping binding name to paths containing arbitrary binary data to
inject as `ArrayBuffer` bindings into this Worker.
- `serviceBindings?: Record<string, string | typeof kCurrentWorker | { name: string | typeof kCurrentWorker, entrypoint?: string } | { network: Network } | { external: ExternalServer } | { disk: DiskDirectory } | { node: (req: http.IncomingMessage, res: http.ServerResponse, miniflare: Miniflare) => Awaitable<void> } | (request: Request, miniflare: Miniflare) => Awaitable<Response>>`
Record mapping binding name to service designators to inject as
`{ fetch: typeof fetch }`
[service bindings](https://developers.cloudflare.com/workers/platform/bindings/about-service-bindings/)
into this Worker.
- If the designator is a `string`, requests will be dispatched to the Worker
with that `name`.
- If the designator is `(await import("miniflare")).kCurrentWorker`, requests
will be dispatched to the Worker defining the binding.
- If the designator is an object of the form `{ name: ..., entrypoint: ... }`,
requests will be dispatched to the entrypoint named `entrypoint` in the
Worker named `name`. The `entrypoint` defaults to `default`, meaning
`{ name: "a" }` is the same as `"a"`. If `name` is
`(await import("miniflare")).kCurrentWorker`, requests will be dispatched to
the Worker defining the binding.
- If the designator is an object of the form `{ network: { ... } }`, where
`network` is a
[`workerd` `Network` struct](https://github.com/cloudflare/workerd/blob/bdbd6075c7c53948050c52d22f2dfa37bf376253/src/workerd/server/workerd.capnp#L555-L598),
requests will be dispatched according to the `fetch`ed URL.
- If the designator is an object of the form `{ external: { ... } }` where
`external` is a
[`workerd` `ExternalServer` struct](https://github.com/cloudflare/workerd/blob/bdbd6075c7c53948050c52d22f2dfa37bf376253/src/workerd/server/workerd.capnp#L504-L553),
requests will be dispatched to the specified remote server.
- If the designator is an object of the form `{ disk: { ... } }` where `disk`
is a
[`workerd` `DiskDirectory` struct](https://github.com/cloudflare/workerd/blob/bdbd6075c7c53948050c52d22f2dfa37bf376253/src/workerd/server/workerd.capnp#L600-L643),
requests will be dispatched to an HTTP service backed by an on-disk
directory.
- If the designator is an object of the form `{ node: (req: http.IncomingMessage, res: http.ServerResponse, miniflare: Miniflare) => Awaitable<void> }`, requests will be dispatched to your custom Node handler. This allows you to access data and functions defined in Node.js from your Worker using Node.js `req` and `res` objects. Note, `miniflare` will be the `Miniflare` instance dispatching the request.
- If the designator is a function with the signature `(request: Request, miniflare: Miniflare) => Response`, requests will be dispatched to your custom
fetch handler. This allows you to access data and functions defined in Node.js
from your Worker using fetch `Request` and `Response` objects. Note, `miniflare` will be the `Miniflare` instance
dispatching the request.
<!--prettier-ignore-start-->
- `wrappedBindings?: Record<string, string | { scriptName: string, entrypoint?: string, bindings?: Record<string, Json> }>`
Record mapping binding name to designators to inject as
[wrapped bindings](https://github.com/cloudflare/workerd/blob/bfcef2d850514c569c039cb84c43bc046af4ffb9/src/workerd/server/workerd.capnp#L469-L487) into this Worker.
Wrapped bindings allow custom bindings to be written as JavaScript functions
accepting an `env` parameter of "inner bindings" and returning the value to
bind. A `string` designator is equivalent to `{ scriptName: <string> }`.
`scriptName`'s bindings will be used as "inner bindings". JSON `bindings` in
the `designator` also become "inner bindings" and will override any of
`scriptName` bindings with the same name. The Worker named `scriptName`...
- Must define a single `ESModule` as its source, using
`{ modules: true, script: "..." }`, `{ modules: true, scriptPath: "..." }`,
or `{ modules: [...] }`
- Must provide the function to use for the wrapped binding as an `entrypoint`
named export or a default export if `entrypoint` is omitted
- Must not be the first/entrypoint worker
- Must not be bound to with service or Durable Object bindings
- Must not define `compatibilityDate` or `compatibilityFlags`
- Must not define `outboundService`
- Must not directly or indirectly have a wrapped binding to itself
- Must not be used as an argument to `Miniflare#getWorker()`
<details>
<summary><b>Wrapped Bindings Example</b></summary>
```ts
import { Miniflare } from "miniflare";
const store = new Map<string, string>();
const mf = new Miniflare({
workers: [
{
wrappedBindings: {
MINI_KV: {
scriptName: "mini-kv", // Use Worker named `mini-kv` for implementation
bindings: { NAMESPACE: "ns" }, // Override `NAMESPACE` inner binding
},
},
modules: true,
script: `export default {
async fetch(request, env, ctx) {
// Example usage of wrapped binding
await env.MINI_KV.set("key", "value");
return new Response(await env.MINI_KV.get("key"));
}
}`,
},
{
name: "mini-kv",
serviceBindings: {
// Function-valued service binding for accessing Node.js state
async STORE(request) {
const { pathname } = new URL(request.url);
const key = pathname.substring(1);
if (request.method === "GET") {
const value = store.get(key);
const status = value === undefined ? 404 : 200;
return new Response(value ?? null, { status });
} else if (request.method === "PUT") {
const value = await request.text();
store.set(key, value);
return new Response(null, { status: 204 });
} else if (request.method === "DELETE") {
store.delete(key);
return new Response(null, { status: 204 });
} else {
return new Response(null, { status: 405 });
}
},
},
modules: true,
script: `
// Implementation of binding
class MiniKV {
constructor(env) {
this.STORE = env.STORE;
this.baseURL = "http://x/" + (env.NAMESPACE ?? "") + ":";
}
async get(key) {
const res = await this.STORE.fetch(this.baseURL + key);
return res.status === 404 ? null : await res.text();
}
async set(key, body) {
await this.STORE.fetch(this.baseURL + key, { method: "PUT", body });
}
async delete(key) {
await this.STORE.fetch(this.baseURL + key, { method: "DELETE" });
}
}
// env has the type { STORE: Fetcher, NAMESPACE?: string }
export default function (env) {
return new MiniKV(env);
}
`,
},
],
});
```
</details>
> :warning: `wrappedBindings` are only supported in modules format Workers.
<!--prettier-ignore-end-->
- `outboundService?: string | { network: Network } | { external: ExternalServer } | { disk: DiskDirectory } | { node: (req: http.IncomingMessage, res: http.ServerResponse, miniflare: Miniflare) => Awaitable<void> } | (request: Request, miniflare: Miniflare) => Awaitable<Response>`
Dispatch this Worker's global `fetch()` and `connect()` requests to the
configured service. Service designators follow the same rules above for
`serviceBindings`.
- `fetchMock?: import("undici").MockAgent`
An [`undici` `MockAgent`](https://undici.nodejs.org/#/docs/api/MockAgent) to
dispatch this Worker's global `fetch()` requests through.
> :warning: `outboundService` and `fetchMock` are mutually exclusive options.
> At most one of them may be specified per Worker.
- `routes?: string[]`
Array of route patterns for this Worker. These follow the same
[routing rules](https://developers.cloudflare.com/workers/platform/triggers/routes/#matching-behavior)
as deployed Workers. If no routes match, Miniflare will fallback to the Worker
defined first.
- `defaultPersistRoot?: string`
Specifies the default directory where Miniflare will write persisted data when persistence is enabled.
```js
// Without `defaultPersistRoot`
new Miniflare({
kvPersist: undefined, // → "/(tmp)/kv"
d1Persist: true, // → "$PWD/.mf/d1"
r2Persist: false, // → "/(tmp)/r2"
cachePersist: "/my-cache", // → "/my-cache"
});
// With `defaultPersistRoot`
new Miniflare({
defaultPersistRoot: "/storage",
kvPersist: undefined, // → "/storage/kv"
d1Persist: true, // → "/storage/d1"
r2Persist: false, // → "/(tmp)/r2"
cachePersist: "/my-cache", // → "/my-cache"
});
```
#### Cache
- `cache?: boolean`
If `false`, default and named caches will be disabled. The Cache API will
still be available, it just won't cache anything.
- `cacheWarnUsage?: boolean`
If `true`, the first use of the Cache API will log a warning stating that the
Cache API is unsupported on `workers.dev` subdomains.
#### Durable Objects
- `durableObjects?: Record<string, string | { className: string, scriptName?: string, useSQLite?: boolean }>`
Record mapping binding name to Durable Object class designators to inject as
`DurableObjectNamespace` bindings into this Worker.
- If the designator is a `string`, it should be the name of a `class` exported
by this Worker.
- If the designator is an object, and `scriptName` is `undefined`, `className`
should be the name of a `class` exported by this Worker.
- Otherwise, `className` should be the name of a `class` exported by the
Worker with a `name` of `scriptName`.
- To use the Durable Object SQLite API you must pass `useSQLite: true`.
#### KV
- `kvNamespaces?: Record<string, string> | string[]`
Record mapping binding name to KV namespace IDs to inject as `KVNamespace`
bindings into this Worker. Different Workers may bind to the same namespace ID
with different binding names. If a `string[]` of binding names is specified,
the binding name and KV namespace ID are assumed to be the same.
- `sitePath?: string`
Path to serve Workers Sites files from. If set, `__STATIC_CONTENT` and
`__STATIC_CONTENT_MANIFEST` bindings will be injected into this Worker. In
modules mode, `__STATIC_CONTENT_MANIFEST` will also be exposed as a module
with a `string`-typed `default` export, containing the JSON-stringified
manifest. Note Workers Sites files are never cached in Miniflare.
- `siteInclude?: string[]`
If set, only files with paths matching these glob patterns will be served.
- `siteExclude?: string[]`
If set, only files with paths _not_ matching these glob patterns will be
served.
- `assetsPath?: string`
Path to serve Workers assets from.
- `assetsKVBindingName?: string`
Name of the binding to the KV namespace that the assets are in. If `assetsPath` is set, this binding will be injected into this Worker.
- `assetsManifestBindingName?: string`
Name of the binding to an `ArrayBuffer` containing the binary-encoded assets manifest. If `assetsPath` is set, this binding will be injected into this Worker.
#### R2
- `r2Buckets?: Record<string, string> | string[]`
Record mapping binding name to R2 bucket names to inject as `R2Bucket`
bindings into this Worker. Different Workers may bind to the same bucket name
with different binding names. If a `string[]` of binding names is specified,
the binding name and bucket name are assumed to be the same.
#### D1
- `d1Databases?: Record<string, string> | string[]`
Record mapping binding name to D1 database IDs to inject as `D1Database`
bindings into this Worker. Note binding names starting with `__D1_BETA__` are
injected as `Fetcher` bindings instead, and must be wrapped with a facade to
provide the expected `D1Database` API. Different Workers may bind to the same
database ID with different binding names. If a `string[]` of binding names is
specified, the binding name and database ID are assumed to be the same.
#### Queues
- `queueProducers?: Record<string, QueueProducerOptions> | string[]`
Record mapping binding name to queue options to inject as `WorkerQueue` bindings
into this Worker. Different Workers may bind to the same queue name with
different binding names. If a `string[]` of binding names is specified, the
binding name and queue name (part of the queue options) are assumed to be the same.
- `queueConsumers?: Record<string, QueueConsumerOptions> | string[]`
Record mapping queue name to consumer options. Messages enqueued on the
corresponding queues will be dispatched to this Worker. Note each queue can
have at most one consumer. If a `string[]` of queue names is specified,
default consumer options will be used.
#### Assets
- `directory?: string`
Path to serve Workers static asset files from.
- `binding?: string`
Binding name to inject as a `Fetcher` binding to allow access to static assets from within the Worker.
- `assetOptions?: { html_handling?: HTMLHandlingOptions, not_found_handling?: NotFoundHandlingOptions}`
Configuration for file-based asset routing - see [docs](https://developers.cloudflare.com/workers/static-assets/routing/#routing-configuration) for options
#### Pipelines
- `pipelines?: Record<string, PipelineOptions> | string[]`
Record mapping binding name to a Pipeline. Different workers may bind to the same Pipeline with different bindings
names. If a `string[]` of pipeline names, the binding and Pipeline name are assumed to be the same.
#### Workflows
- `workflows?: WorkflowOptions[]`
Configuration for one or more Workflows in your project.
#### Browser Run
- `browserRendering: BrowserRenderingOptions`
#### Analytics Engine, Sending Email, Vectorize and Workers for Platforms
_Not yet supported_
If you need support for these locally, consider using the `wrappedBindings`
option to mock them out.
#### Workers AI
_Not yet supported_
If you need support for these locally, consider using the `serviceBindings`
option to mock them out.
### `interface SharedOptions`
Options shared between all Workers/"nanoservices".
#### Core
- `rootPath?: string`
Path against which all other path options for this instance are resolved
relative to. Defaults to the current working directory.
- `host?: string`
Hostname that the `workerd` server should listen on. Defaults to `127.0.0.1`.
- `port?: number`
Port that the `workerd` server should listen on. Tries to default to `8787`,
but falls back to a random free port if this is in use. Note if a manually
specified port is in use, Miniflare throws an error, rather than attempting to
find a free port.
- `https?: boolean`
If `true`, start an HTTPS server using a pre-generated self-signed certificate
for `localhost`. Note this certificate is not valid for any other hostnames or
IP addresses. If you need to access the HTTPS server from another device,
you'll need to generate your own certificate and use the other `https*`
options below.
```shell
$ openssl req -newkey rsa:2048 -nodes -keyout key.pem -x509 -days 365 -out cert.pem
```
```js
new Miniflare({
httpsKeyPath: "key.pem",
httpsCertPath: "cert.pem",
});
```
- `httpsKey?: string`
When one of `httpsCert` or `httpCertPath` is also specified, starts an HTTPS
server using the value of this option as the PEM encoded private key.
- `httpsKeyPath?: string`
When one of `httpsCert` or `httpCertPath` is also specified, starts an HTTPS
server using the PEM encoded private key stored at this file path.
- `httpsCert?: string`
When one of `httpsKey` or `httpsKeyPath` is also specified, starts an HTTPS
server using the value of this option as the PEM encoded certificate chain.
- `httpsCertPath?: string`
When one of `httpsKey` or `httpsKeyPath` is also specified, starts an HTTPS
server using the PEM encoded certificate chain stored at this file path.
- `inspectorPort?: number`
Port that `workerd` should start a DevTools inspector server on. Visit
`chrome://inspect` in a Chromium-based browser to connect to this. This can be
used to see detailed `console.log`s, profile CPU usage, and will eventually
allow step-through debugging.
- `verbose?: boolean`
Enable `workerd`'s `--verbose` flag for verbose logging. This can be used to
see simplified `console.log`s.
- `log?: Log`
Logger implementation for Miniflare's errors, warnings and informative
messages.
- `upstream?: string`
URL to use as the origin for incoming requests. If specified, all incoming
`request.url`s will be rewritten to start with this string. This is especially
useful when testing Workers that act as a proxy, and not as origins
themselves.
When `upstream` is set, the `Host` header is rewritten to match the upstream
server. To preserve the original hostname, Miniflare adds an
`MF-Original-Hostname` header containing the original `Host` value:
```js
export default {
async fetch(request) {
// When upstream is set, Host header contains the upstream hostname
const upstreamHost = request.headers.get("Host");
// Original hostname is preserved in MF-Original-Hostname
const originalHost = request.headers.get("MF-Original-Hostname");
return new Response(
`Original: ${originalHost}, Upstream: ${upstreamHost}`
);
},
};
```
- `cf?: boolean | string | Record<string, any>`
Controls the object returned from incoming `Request`'s `cf` property.
- If set to a falsy value, an object with default placeholder values will be
used
- If set to an object, that object will be used
- If set to `true`, a real `cf` object will be fetched from a trusted
Cloudflare endpoint and cached in `node_modules/.mf` for 30 days
- If set to a `string`, a real `cf` object will be fetched and cached at the
provided path for 30 days
- `liveReload?: boolean`
If `true`, Miniflare will inject a script into HTML responses that
automatically reloads the page in-browser whenever the Miniflare instance's
options are updated.
- `unsafeDevRegistryPath?: string`
Path to the dev registry directory. This allows Miniflare to automatically
discover external services and Durable Objects running on another miniflare instance and connect them.
- `unsafeDevRegistryDurableObjectProxy?: boolean`
If `true`, Miniflare will automatically proxy requests to Durable Objects
bound to external services and register all Workers' Durable Objects in the dev registry.
- `unsafeHandleDevRegistryUpdate?: (registry: WorkerRegistry) => void`
Callback invoked when the dev registry is updated with changes to bound services.
Receives a copy of the updated registry object. Useful for reacting to external
service changes during development.
- `unsafeRuntimeEnv?: Record<string, string>`
Extra environment variables to set on the spawned `workerd` subprocess.
Merged on top of `process.env` and Miniflare's own defaults — most notably
`TZ=UTC`, which Miniflare sets to match the production Cloudflare runtime so
that `Date` and `Intl` APIs inside the Worker observe UTC during local
development. Use this option to override those defaults, for example to test
timezone-dependent code with `unsafeRuntimeEnv: { TZ: "Europe/London" }`.
#### Cache, Durable Objects, KV, R2 and D1
- `cachePersist?: Persistence`
Where to persist data cached in default or named caches. See docs for
`Persistence`.
- `durableObjectsPersist?: Persistence`
Where to persist data stored in Durable Objects. See docs for `Persistence`.
- `kvPersist?: Persistence`
Where to persist data stored in KV namespaces. See docs for `Persistence`.
- `r2Persist?: Persistence`
Where to persist data stored in R2 buckets. See docs for `Persistence`.
- `d1Persist?: Persistence`
Where to persist data stored in D1 databases. See docs for `Persistence`.
- `workflowsPersist?: Persistence`
Where to persist data stored in Workflows. See docs for `Persistence`.
#### Analytics Engine, Sending Email, Vectorize, Workers AI and Workers for Platforms
_Not yet supported_
### `type MiniflareOptions`
`SharedOptions & (WorkerOptions | { workers: WorkerOptions[] })`
Miniflare accepts either a single Worker configuration or multiple Worker
configurations in the `workers` array. When specifying an array of Workers, the
first Worker is designated the entrypoint and will receive all incoming HTTP
requests. Some options are shared between all workers and should always be
defined at the top-level.
### `class Miniflare`
- `constructor(opts: MiniflareOptions)`
Creates a Miniflare instance and starts a new `workerd` HTTP server
listening on the configured `host` and `port`.
- `setOptions(opts: MiniflareOptions)`
Updates the configuration for this Miniflare instance and restarts the
`workerd` server. Note unlike Miniflare 2, this does _not_ merge the new
configuration with the old configuration. Note that calling this function will
invalidate any existing values returned by the `Miniflare#get*()` methods,
preventing them from being used.
- `ready: Promise<URL>`
Returns a `Promise` that resolves with a `http` `URL` to the `workerd` server
once it has started and is able to accept requests.
- `dispatchFetch(input: RequestInfo, init?: RequestInit): Promise<Response>`
Sends a HTTP request to the `workerd` server, dispatching a `fetch` event in
the entrypoint Worker. Returns a `Promise` that resolves with the response.
Note that this implicitly waits for the `ready` `Promise` to resolve, there's
no need to do that yourself first. Additionally, the host of the request's URL
is always ignored and replaced with the `workerd` server's.
- `getBindings<Env extends Record<string, unknown> = Record<string, unknown>>(workerName?: string): Promise<Env>`
Returns a `Promise` that resolves with a record mapping binding names to
bindings, for all bindings in the Worker with the specified `workerName`. If
`workerName` is not specified, defaults to the entrypoint Worker.
- `getWorker(workerName?: string): Promise<Fetcher>`
Returns a `Promise` that resolves with a
[`Fetcher`](https://workers-types.pages.dev/experimental/#Fetcher) pointing to
the specified `workerName`. If `workerName` is not specified, defaults to the
entrypoint Worker. Note this `Fetcher` uses the experimental
[`service_binding_extra_handlers`](https://github.com/cloudflare/workerd/blob/1d9158af7ca1389474982c76ace9e248320bec77/src/workerd/io/compatibility-date.capnp#L290-L297)
compatibility flag to expose
[`scheduled()`](https://workers-types.pages.dev/experimental/#Fetcher.scheduled)
and [`queue()`](https://workers-types.pages.dev/experimental/#Fetcher.queue)
methods for dispatching `scheduled` and `queue` events.
- `getCaches(): Promise<CacheStorage>`
Returns a `Promise` that resolves with the
[`CacheStorage`](https://developers.cloudflare.com/workers/runtime-apis/cache/)
instance of the entrypoint Worker. This means if `cache: false` is set on the
entrypoint, calling methods on the resolved value won't do anything.
- `getD1Database(bindingName: string, workerName?: string): Promise<D1Database>`
Returns a `Promise` that resolves with the
[`D1Database`](https://developers.cloudflare.com/d1/platform/client-api/)
instance corresponding to the specified `bindingName` of `workerName`. Note
`bindingName` must not begin with `__D1_BETA__`. If `workerName` is not
specified, defaults to the entrypoint Worker.
- `getDurableObjectNamespace(bindingName: string, workerName?: string): Promise<DurableObjectNamespace>`
Returns a `Promise` that resolves with the
[`DurableObjectNamespace`](https://developers.cloudflare.com/workers/runtime-apis/durable-objects/#access-a-durable-object-from-a-worker)
instance corresponding to the specified `bindingName` of `workerName`. If
`workerName` is not specified, defaults to the entrypoint Worker.
- `getKVNamespace(bindingName: string, workerName?: string): Promise<KVNamespace>`
Returns a `Promise` that resolves with the
[`KVNamespace`](https://developers.cloudflare.com/workers/runtime-apis/kv/)
instance corresponding to the specified `bindingName` of `workerName`. If
`workerName` is not specified, defaults to the entrypoint Worker.
- `getQueueProducer<Body>(bindingName: string, workerName?: string): Promise<Queue<Body>>`
Returns a `Promise` that resolves with the
[`Queue`](https://developers.cloudflare.com/queues/platform/javascript-apis/)
producer instance corresponding to the specified `bindingName` of
`workerName`. If `workerName` is not specified, defaults to the entrypoint
Worker.
- `getR2Bucket(bindingName: string, workerName?: string): Promise<R2Bucket>`
Returns a `Promise` that resolves with the
[`R2Bucket`](https://developers.cloudflare.com/r2/api/workers/workers-api-reference/)
producer instance corresponding to the specified `bindingName` of
`workerName`. If `workerName` is not specified, defaults to the entrypoint
Worker.
- `dispose(): Promise<void>`
Cleans up the Miniflare instance, and shuts down the `workerd` server. Note
that after this is called, `Miniflare#setOptions()` and
`Miniflare#dispatchFetch()` cannot be called. Additionally, calling this
function will invalidate any values returned by the `Miniflare#get*()`
methods, preventing them from being used.
- `getCf(): Promise<Record<string, any>>`
Returns the same object returned from incoming `Request`'s `cf` property. This
object depends on the `cf` property from `SharedOptions`.
## Configuration
### Local `workerd`
You can override the `workerd` binary being used by miniflare with a your own local build by setting the `MINIFLARE_WORKERD_PATH` environment variable.
For example:
```shell
$ export MINIFLARE_WORKERD_PATH="<WORKERD_REPO_DIR>/bazel-bin/src/workerd/server/workerd"
```
For debugging purposes, you can also set `MINIFLARE_WORKERD_CONFIG_DEBUG=<file_path>` which will dump the workerd config to the specified file path.
+11
View File
@@ -0,0 +1,11 @@
#!/usr/bin/env node
const { Log } = require(".");
const log = new Log();
log.error(
[
"`miniflare@3` no longer includes a CLI. Please use `npx wrangler dev` instead.",
"As of `wrangler@3`, this will use Miniflare by default.",
"See https://miniflare.dev/get-started/migrating for more details.",
].join("\n")
);
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import{st as e}from"./index-BwGGYgiP.js";var t=e;export{t as notFoundComponent};
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import{t as e}from"./ResourceError-DwVOufwC.js";var t=e;export{t as errorComponent};
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import{t as e}from"./ResourceError-DwVOufwC.js";var t=e;export{t as errorComponent};
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import{st as e}from"./index-BwGGYgiP.js";var t=e;export{t as notFoundComponent};
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import{t as e}from"./ResourceError-DwVOufwC.js";var t=e;export{t as errorComponent};
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import{Gn as e,Ln as t}from"./index-BwGGYgiP.js";var n=e(),r=()=>(0,n.jsx)(t,{});export{r as component};
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import{st as e}from"./index-BwGGYgiP.js";var t=e;export{t as notFoundComponent};
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import{t as e}from"./ResourceError-DwVOufwC.js";var t=e;export{t as errorComponent};
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<svg width="32" height="32" viewBox="0 0 66 30" stroke="#f6821f" stroke-width="3" fill="none" xmlns="http://www.w3.org/2000/svg">
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="icon" type="image/svg+xml" href="/cdn-cgi/explorer/favicon.svg" />
<title>Cloudflare Local Explorer</title>
<script type="module" crossorigin src="/cdn-cgi/explorer/assets/index-BwGGYgiP.js"></script>
<link rel="stylesheet" crossorigin href="/cdn-cgi/explorer/assets/index-CjrDtYhu.css">
</head>
<body>
<div id="root"></div>
</body>
</html>
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// src/workers/analytics-engine/analytics-engine.worker.ts
var LocalAnalyticsEngineDataset = class {
constructor(env) {
this.env = env;
}
env;
writeDataPoint(_event) {
}
};
function analytics_engine_worker_default(env) {
return new LocalAnalyticsEngineDataset(env);
}
export {
analytics_engine_worker_default as default
};
//# sourceMappingURL=analytics-engine.worker.js.map
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{
"version": 3,
"sources": ["../../../../src/workers/analytics-engine/analytics-engine.worker.ts"],
"sourcesContent": ["interface Env {\n\tdataset: string;\n}\nclass LocalAnalyticsEngineDataset implements AnalyticsEngineDataset {\n\tconstructor(private env: Env) {}\n\twriteDataPoint(_event?: AnalyticsEngineDataPoint): void {\n\t\t// no op in dev\n\t}\n}\n\nexport default function (env: Env) {\n\treturn new LocalAnalyticsEngineDataset(env);\n}\n"],
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"names": []
}
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// src/workers/assets/assets-kv.worker.ts
import { SharedBindings } from "miniflare:shared";
var assets_kv_worker_default = {
async fetch(request, env) {
if (request.method !== "GET") {
let message = `Cannot ${request.method.toLowerCase()}() with Workers Assets namespace`;
return new Response(message, { status: 405, statusText: message });
}
let pathHash = new URL(request.url).pathname.substring(1), entry = env.ASSETS_REVERSE_MAP[pathHash];
if (entry === void 0)
return new Response("Not Found", { status: 404 });
let { filePath, contentType } = entry, response = await env[SharedBindings.MAYBE_SERVICE_BLOBS].fetch(
new URL(
// somewhere in blobservice I think this is being decoded again
filePath.split("/").map((x) => encodeURIComponent(x)).join("/"),
"http://placeholder"
)
), newResponse = new Response(response.body, response);
return contentType !== null && newResponse.headers.append(
"cf-kv-metadata",
`{"contentType": "${contentType}"}`
), newResponse;
}
};
export {
assets_kv_worker_default as default
};
//# sourceMappingURL=assets-kv.worker.js.map
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{
"version": 3,
"sources": ["../../../../src/workers/assets/assets-kv.worker.ts"],
"sourcesContent": ["import { SharedBindings } from \"miniflare:shared\";\n\ninterface Env {\n\t[SharedBindings.MAYBE_SERVICE_BLOBS]: Fetcher;\n\tASSETS_REVERSE_MAP: AssetReverseMap;\n}\n\ntype AssetReverseMap = {\n\t[pathHash: string]: { filePath: string; contentType: string };\n}; //map to actual filepath\n\nexport default <ExportedHandler<Env>>{\n\tasync fetch(request, env) {\n\t\t// Only permit reads\n\t\tif (request.method !== \"GET\") {\n\t\t\tconst message = `Cannot ${request.method.toLowerCase()}() with Workers Assets namespace`;\n\t\t\treturn new Response(message, { status: 405, statusText: message });\n\t\t}\n\n\t\tconst pathHash = new URL(request.url).pathname.substring(1);\n\t\tconst entry = env.ASSETS_REVERSE_MAP[pathHash];\n\t\tif (entry === undefined) {\n\t\t\treturn new Response(\"Not Found\", { status: 404 });\n\t\t}\n\n\t\tconst { filePath, contentType } = entry;\n\t\tconst blobsService = env[SharedBindings.MAYBE_SERVICE_BLOBS];\n\t\tconst response = await blobsService.fetch(\n\t\t\tnew URL(\n\t\t\t\t// somewhere in blobservice I think this is being decoded again\n\t\t\t\tfilePath\n\t\t\t\t\t.split(\"/\")\n\t\t\t\t\t.map((x) => encodeURIComponent(x))\n\t\t\t\t\t.join(\"/\"),\n\t\t\t\t\"http://placeholder\"\n\t\t\t)\n\t\t);\n\t\tconst newResponse = new Response(response.body, response);\n\t\t// ensure the runtime will return the metadata we need\n\t\tif (contentType !== null) {\n\t\t\tnewResponse.headers.append(\n\t\t\t\t\"cf-kv-metadata\",\n\t\t\t\t`{\"contentType\": \"${contentType}\"}`\n\t\t\t);\n\t\t}\n\t\treturn newResponse;\n\t},\n};\n"],
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"names": []
}
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// src/workers/assets/rpc-proxy.worker.ts
import { WorkerEntrypoint } from "cloudflare:workers";
// src/workers/core/dev-registry-proxy-shared.worker.ts
import { DurableObject } from "cloudflare:workers";
var SERIALIZED_DATE = "___serialized_date___", SERIALIZED_BIGINT = "___serialized_bigint___";
function tailEventsReplacer(_, value) {
return value instanceof Date ? { [SERIALIZED_DATE]: value.toISOString() } : typeof value == "bigint" ? { [SERIALIZED_BIGINT]: value.toString() } : value;
}
function tailEventsReviver(_, value) {
if (value && typeof value == "object") {
if (SERIALIZED_DATE in value)
return new Date(value[SERIALIZED_DATE]);
if (SERIALIZED_BIGINT in value)
return BigInt(value[SERIALIZED_BIGINT]);
}
return value;
}
// src/workers/assets/rpc-proxy.worker.ts
var RPCProxyWorker = class extends WorkerEntrypoint {
async fetch(request) {
return this.env.ROUTER_WORKER.fetch(request);
}
// Forward scheduled events to the User Worker. The proxy itself doesn't run
// any scheduled logic; it just dispatches a real scheduled event to the user
// worker via the Fetcher built-in, then propagates the user worker's noRetry
// decision back onto this controller so the outcome surfaces correctly to
// the caller (e.g. the entry worker's `/cdn-cgi/handler/scheduled` handler).
async scheduled(controller) {
let result = await this.env.USER_WORKER.scheduled?.({
cron: controller.cron,
scheduledTime: new Date(controller.scheduledTime)
});
if (result?.noRetry && controller.noRetry(), result?.outcome !== "ok")
throw new Error(
`User Worker scheduled handler failed with outcome: ${result?.outcome}`
);
}
tail(events) {
return this.env.USER_WORKER.tail(
JSON.parse(JSON.stringify(events, tailEventsReplacer), tailEventsReviver)
);
}
constructor(ctx, env) {
return super(ctx, env), new Proxy(this, {
get(target, prop) {
return Reflect.has(target, prop) ? Reflect.get(target, prop) : Reflect.get(target.env.USER_WORKER, prop);
}
});
}
};
export {
RPCProxyWorker as default
};
//# sourceMappingURL=rpc-proxy.worker.js.map
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@@ -0,0 +1,417 @@
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __decorateClass = (decorators, target, key, kind) => {
for (var result = kind > 1 ? void 0 : kind ? __getOwnPropDesc(target, key) : target, i = decorators.length - 1, decorator; i >= 0; i--)
(decorator = decorators[i]) && (result = (kind ? decorator(target, key, result) : decorator(result)) || result);
return kind && result && __defProp(target, key, result), result;
};
// src/workers/browser-rendering/binding.worker.ts
import assert from "node:assert";
import {
DELETE,
GET,
HttpError,
MiniflareDurableObject,
POST,
PUT,
Router,
SharedBindings
} from "miniflare:shared";
function isClosed(ws) {
return !ws || ws.readyState === WebSocket.CLOSED;
}
function chromeBaseUrl(wsEndpoint) {
return `http://${new URL(wsEndpoint.replace("ws://", "http://")).host}`;
}
var RETRYABLE_FETCH_ERROR_SUBSTRINGS = [
// kj/async-io-win32.c++ ConnectEx (#1225) — the remote socket refused us.
// Surfaces on Windows when Chrome announced the DevTools URL but isn't
// quite accepting connections yet.
"connection refused",
"remote computer refused",
// kj/async-io-win32.c++ WSARecv (#64) — the connection went away mid-read.
"network name is no longer available",
// Generic workerd disconnect classifications.
"network connection lost",
"disconnected"
];
function isRetryableFetchError(error) {
let message = error?.message;
if (typeof message != "string")
return !1;
let lower = message.toLowerCase();
return RETRYABLE_FETCH_ERROR_SUBSTRINGS.some(
(needle) => lower.includes(needle)
);
}
var MAX_BODY_PREVIEW = 2e3;
function truncateBody(text) {
return text.length <= MAX_BODY_PREVIEW ? text : `${text.slice(0, MAX_BODY_PREVIEW)}... (truncated, ${text.length} bytes total)`;
}
async function parseJsonResponse(resp, context) {
let text = await resp.text();
if (!resp.ok)
throw new Error(
`${context}: upstream returned ${resp.status} ${resp.statusText}
${truncateBody(text)}`
);
try {
return JSON.parse(text);
} catch (cause) {
throw new Error(
`${context}: expected JSON, got non-JSON response (${resp.status} ${resp.statusText})
${truncateBody(text)}`,
{ cause }
);
}
}
async function fetchWithConnectRetry(url, init, {
maxAttempts = 5,
baseDelayMs = 25,
maxDelayMs = 250
} = {}) {
let lastError;
for (let attempt = 0; attempt < maxAttempts; attempt++)
try {
return await fetch(url, init);
} catch (e) {
if (lastError = e, !isRetryableFetchError(e) || attempt === maxAttempts - 1)
break;
let delay = Math.min(maxDelayMs, baseDelayMs * 2 ** attempt);
await new Promise((resolve) => setTimeout(resolve, delay));
}
throw lastError;
}
function forwardClose(target, e) {
!target || target.readyState === WebSocket.CLOSED || (!e?.code || e?.code === 1005 || e?.code === 1006 ? target.close() : target.close(e.code, e.reason));
}
var BrowserSession = class extends MiniflareDurableObject {
sessionInfo;
chromeWs;
legacyServerWs;
wss = [];
#statusTimeout;
setSessionInfoRoute = async (req) => {
this.sessionInfo = await req.json();
let wsUrl = this.sessionInfo.wsEndpoint.replace("ws://", "http://"), resp = await fetchWithConnectRetry(wsUrl, {
headers: { Upgrade: "websocket" }
});
return assert(resp.webSocket !== null, "Expected a WebSocket response"), this.chromeWs = resp.webSocket, this.chromeWs.accept(), this.chromeWs.addEventListener("message", (m) => {
if (!this.legacyServerWs)
return;
let string = new TextEncoder().encode(m.data), data = new Uint8Array(string.length + 4);
new DataView(data.buffer).setUint32(0, string.length, !0), data.set(string, 4), this.legacyServerWs.send(data);
}), this.chromeWs.addEventListener("close", (e) => {
this.closeSession(e);
}), this.#scheduleStatusCheck(), new Response(null, { status: 204 });
};
getSessionInfoRoute = async () => (isClosed(this.chromeWs) && this.closeSession(), this.sessionInfo ? Response.json(this.sessionInfo) : new Response(null, { status: 204 }));
connectDevtools = async () => {
if (assert(
this.sessionInfo !== void 0,
"sessionInfo must be set before connecting"
), assert(
this.chromeWs !== void 0,
"chromeWs must be established before connecting"
), this.legacyServerWs !== void 0)
throw new HttpError(409, "WebSocket already initialized");
let webSocketPair = new WebSocketPair(), [client, server] = Object.values(webSocketPair);
return server.accept(), server.addEventListener("message", (m) => {
m.data !== "ping" && this.chromeWs?.send(
new TextDecoder().decode(m.data.slice(4))
);
}), server.addEventListener("close", (e) => {
this.closeWebSockets(e);
}), this.legacyServerWs = server, this.sessionInfo.connectionId = crypto.randomUUID(), this.sessionInfo.connectionStartTime = Date.now(), new Response(null, {
status: 101,
webSocket: client,
headers: { "cf-browser-session-id": this.name }
});
};
jsonVersion = async () => this.#proxyJsonRequest("/json/version");
jsonList = async () => this.#proxyJsonRequest("/json/list");
jsonAlias = async () => this.#proxyJsonRequest("/json/list");
jsonProtocol = async () => this.#proxyJsonRequest("/json/protocol");
jsonNew = async (_req, _params, url) => this.#proxyJsonRequest(
`/json/new?${new URLSearchParams({ url: url.searchParams.get("url") ?? "" })}`,
"PUT"
);
jsonActivate = async (_req, params) => this.#proxyJsonRequest(`/json/activate/${params?.targetId}`);
jsonClose = async (_req, params) => this.#proxyJsonRequest(`/json/close/${params?.targetId}`);
pageWebSocket = async (_req, params) => this.sessionInfo ? this.#proxyRawWebSocket(
`${chromeBaseUrl(this.sessionInfo.wsEndpoint).replace("http://", "ws://")}/devtools/page/${params?.pageId}`
) : Response.json({ error: "Browser not found" }, { status: 404 });
closeBrowser = async () => {
if (this.sessionInfo) {
let closeUrl = new URL("http://localhost/browser/close");
closeUrl.searchParams.set("sessionId", this.sessionInfo.sessionId), this.env[SharedBindings.MAYBE_SERVICE_LOOPBACK].fetch(closeUrl, {
method: "POST"
});
}
return Response.json({ status: "closed" });
};
sessionDetail = async () => this.sessionInfo ? Response.json({
sessionId: this.sessionInfo.sessionId,
startTime: this.sessionInfo.startTime,
connectionId: this.sessionInfo.connectionId,
connectionStartTime: this.sessionInfo.connectionStartTime
}) : Response.json({ error: "Session not found" }, { status: 404 });
connect = async (_req) => {
assert(
this.sessionInfo !== void 0,
"sessionInfo must be set before connecting"
);
let wsUrl = this.sessionInfo.wsEndpoint.replace("ws://", "http://"), resp = await this.#proxyRawWebSocket(wsUrl);
return this.sessionInfo.connectionId = crypto.randomUUID(), this.sessionInfo.connectionStartTime = Date.now(), new Response(null, {
status: resp.status,
webSocket: resp.webSocket,
headers: { "cf-browser-session-id": this.name }
});
};
closeWebSockets(e) {
forwardClose(this.legacyServerWs, e);
for (let { chrome, server } of this.wss)
forwardClose(chrome, e), forwardClose(server, e);
this.legacyServerWs = void 0, this.wss = [], this.sessionInfo && (this.sessionInfo.connectionId = void 0, this.sessionInfo.connectionStartTime = void 0);
}
closeSession(e) {
this.#statusTimeout !== void 0 && (this.timers.clearTimeout(this.#statusTimeout), this.#statusTimeout = void 0), this.closeWebSockets(e), forwardClose(this.chromeWs, e), this.chromeWs = void 0, this.sessionInfo = void 0;
}
async #proxyRawWebSocket(targetWsUrl) {
let response = await fetchWithConnectRetry(
targetWsUrl.replace("ws://", "http://"),
{
headers: { Upgrade: "websocket" }
}
);
assert(response.webSocket !== null, "Expected a WebSocket response");
let chrome = response.webSocket;
chrome.accept();
let webSocketPair = new WebSocketPair(), [client, server] = Object.values(webSocketPair);
server.accept();
let pair = { chrome, server };
return this.wss.push(pair), chrome.addEventListener("message", (m) => server.send(m.data)), server.addEventListener("message", (m) => chrome.send(m.data)), server.addEventListener("close", (e) => {
forwardClose(chrome, e), forwardClose(server, e), this.wss = this.wss.filter((p) => p !== pair);
}), chrome.addEventListener("close", (e) => {
forwardClose(server, e), forwardClose(chrome, e), this.wss = this.wss.filter((p) => p !== pair);
}), new Response(null, { status: 101, webSocket: client });
}
async #proxyJsonRequest(chromePath, method = "GET") {
if (!this.sessionInfo)
return Response.json({ error: "Browser not found" }, { status: 404 });
let resp = await fetchWithConnectRetry(
`${chromeBaseUrl(this.sessionInfo.wsEndpoint)}${chromePath}`,
{ method }
);
return new Response(await resp.text(), {
status: resp.status,
headers: { "Content-Type": "application/json" }
});
}
async #checkStatus() {
if (this.sessionInfo) {
let url = new URL("http://localhost/browser/status");
url.searchParams.set("sessionId", this.sessionInfo.sessionId), (await this.env[SharedBindings.MAYBE_SERVICE_LOOPBACK].fetch(url)).ok || this.closeSession();
}
}
#scheduleStatusCheck() {
this.#statusTimeout === void 0 && (this.#statusTimeout = this.timers.setTimeout(async () => {
this.#statusTimeout = void 0, await this.#checkStatus(), this.chromeWs && this.#scheduleStatusCheck();
}, 1e3));
}
};
__decorateClass([
POST("/session-info")
], BrowserSession.prototype, "setSessionInfoRoute", 2), __decorateClass([
GET("/session-info")
], BrowserSession.prototype, "getSessionInfoRoute", 2), __decorateClass([
GET("/v1/connectDevtools")
], BrowserSession.prototype, "connectDevtools", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/version")
], BrowserSession.prototype, "jsonVersion", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/list")
], BrowserSession.prototype, "jsonList", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json")
], BrowserSession.prototype, "jsonAlias", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/protocol")
], BrowserSession.prototype, "jsonProtocol", 2), __decorateClass([
PUT("/v1/devtools/browser/:sessionId/json/new")
], BrowserSession.prototype, "jsonNew", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/activate/:targetId")
], BrowserSession.prototype, "jsonActivate", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/close/:targetId")
], BrowserSession.prototype, "jsonClose", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/page/:pageId")
], BrowserSession.prototype, "pageWebSocket", 2), __decorateClass([
DELETE("/v1/devtools/browser/:sessionId")
], BrowserSession.prototype, "closeBrowser", 2), __decorateClass([
GET("/v1/devtools/session/:sessionId")
], BrowserSession.prototype, "sessionDetail", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId")
], BrowserSession.prototype, "connect", 2);
var BrowserRenderingRouter = class extends Router {
constructor(env) {
super();
this.env = env;
}
env;
#callSession(sessionId, request) {
let cf = { miniflare: { name: sessionId } };
return this.env.BrowserSession.get(
this.env.BrowserSession.idFromName(sessionId)
).fetch(request, {
cf
});
}
#fetchSession(sessionId, path, init) {
let cf = { miniflare: { name: sessionId } };
return this.env.BrowserSession.get(
this.env.BrowserSession.idFromName(sessionId)
).fetch(`http://placeholder${path}`, {
...init,
cf
});
}
async #acquireSession() {
let resp = await this.env[SharedBindings.MAYBE_SERVICE_LOOPBACK].fetch(
"http://localhost/browser/launch"
), sessionInfo = await parseJsonResponse(
resp,
"Failed to launch local browser via miniflare loopback (/browser/launch)"
);
return await this.#fetchSession(sessionInfo.sessionId, "/session-info", {
method: "POST",
body: JSON.stringify(sessionInfo)
}), sessionInfo;
}
async #getActiveSessions() {
let sessionIdsResp = await this.env[SharedBindings.MAYBE_SERVICE_LOOPBACK].fetch("http://localhost/browser/sessionIds"), sessionIds = await parseJsonResponse(
sessionIdsResp,
"Failed to list active browser sessions via miniflare loopback (/browser/sessionIds)"
);
return (await Promise.all(
sessionIds.map(async (sessionId) => {
let resp = await this.#fetchSession(sessionId, "/session-info");
if (resp.status === 204)
return null;
let sessionInfo = await parseJsonResponse(
resp,
`Failed to read session-info for browser session ${sessionId}`
);
return {
sessionId: sessionInfo.sessionId,
startTime: sessionInfo.startTime,
connectionId: sessionInfo.connectionId,
connectionStartTime: sessionInfo.connectionStartTime
};
})
)).filter(Boolean);
}
acquireRoute = async () => {
let sessionInfo = await this.#acquireSession();
return Response.json({ sessionId: sessionInfo.sessionId });
};
sessionsRoute = async () => Response.json({ sessions: await this.#getActiveSessions() });
limitsRoute = async () => Response.json({
maxConcurrentSessions: 6,
allowedBrowserAcquisitions: 6,
timeUntilNextAllowedBrowserAcquisition: 0
});
historyRoute = async () => Response.json([]);
sessionListRoute = async () => Response.json(await this.#getActiveSessions());
connectDevtoolsRoute = async (req, _params, url) => {
let sessionId = url.searchParams.get("browser_session");
return sessionId ? this.#callSession(sessionId, req) : new Response("browser_session must be set", { status: 400 });
};
acquireBrowserRoute = async () => {
let sessionInfo = await this.#acquireSession();
return Response.json({ sessionId: sessionInfo.sessionId });
};
connectBrowserRoute = async (req) => {
let sessionInfo = await this.#acquireSession(), doUrl = new URL(req.url);
return doUrl.pathname = `/v1/devtools/browser/${sessionInfo.sessionId}`, this.#callSession(
sessionInfo.sessionId,
new Request(doUrl, {
method: req.method,
headers: {
...Object.fromEntries(req.headers),
"x-session-id": sessionInfo.sessionId
}
})
);
};
sessionDetailRoute = async (req, params) => this.#callSession(params.sessionId, req);
closeBrowserRoute = async (req, params) => {
let { sessionId } = params;
await this.#callSession(sessionId, req);
for (let i = 0; i < 50; i++) {
let statusUrl = new URL("http://localhost/browser/status");
if (statusUrl.searchParams.set("sessionId", sessionId), (await this.env[SharedBindings.MAYBE_SERVICE_LOOPBACK].fetch(statusUrl)).status === 410)
break;
await new Promise((r) => setTimeout(r, 100));
}
return Response.json({ status: "closed" });
};
connectBrowserSessionRoute = async (req, params, _url) => {
let doUrl = new URL(req.url);
return this.#callSession(params.sessionId, new Request(doUrl, req));
};
jsonVersionRoute = async (req, params) => this.#callSession(params.sessionId, req);
jsonListRoute = async (req, params) => this.#callSession(params.sessionId, req);
jsonAliasRoute = async (req, params) => this.#callSession(params.sessionId, req);
jsonProtocolRoute = async (req, params) => this.#callSession(params.sessionId, req);
jsonNewRoute = async (req, params) => this.#callSession(params.sessionId, req);
jsonActivateRoute = async (req, params) => this.#callSession(params.sessionId, req);
jsonCloseRoute = async (req, params) => this.#callSession(params.sessionId, req);
pageWebSocketRoute = async (req, params) => this.#callSession(params.sessionId, req);
};
__decorateClass([
GET("/v1/acquire")
], BrowserRenderingRouter.prototype, "acquireRoute", 2), __decorateClass([
GET("/v1/sessions")
], BrowserRenderingRouter.prototype, "sessionsRoute", 2), __decorateClass([
GET("/v1/limits")
], BrowserRenderingRouter.prototype, "limitsRoute", 2), __decorateClass([
GET("/v1/history")
], BrowserRenderingRouter.prototype, "historyRoute", 2), __decorateClass([
GET("/v1/devtools/session")
], BrowserRenderingRouter.prototype, "sessionListRoute", 2), __decorateClass([
GET("/v1/connectDevtools")
], BrowserRenderingRouter.prototype, "connectDevtoolsRoute", 2), __decorateClass([
POST("/v1/devtools/browser")
], BrowserRenderingRouter.prototype, "acquireBrowserRoute", 2), __decorateClass([
GET("/v1/devtools/browser")
], BrowserRenderingRouter.prototype, "connectBrowserRoute", 2), __decorateClass([
GET("/v1/devtools/session/:sessionId")
], BrowserRenderingRouter.prototype, "sessionDetailRoute", 2), __decorateClass([
DELETE("/v1/devtools/browser/:sessionId")
], BrowserRenderingRouter.prototype, "closeBrowserRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId")
], BrowserRenderingRouter.prototype, "connectBrowserSessionRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/version")
], BrowserRenderingRouter.prototype, "jsonVersionRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/list")
], BrowserRenderingRouter.prototype, "jsonListRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json")
], BrowserRenderingRouter.prototype, "jsonAliasRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/protocol")
], BrowserRenderingRouter.prototype, "jsonProtocolRoute", 2), __decorateClass([
PUT("/v1/devtools/browser/:sessionId/json/new")
], BrowserRenderingRouter.prototype, "jsonNewRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/activate/:targetId")
], BrowserRenderingRouter.prototype, "jsonActivateRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/json/close/:targetId")
], BrowserRenderingRouter.prototype, "jsonCloseRoute", 2), __decorateClass([
GET("/v1/devtools/browser/:sessionId/page/:pageId")
], BrowserRenderingRouter.prototype, "pageWebSocketRoute", 2);
var binding_worker_default = {
fetch(request, env) {
return new BrowserRenderingRouter(env).fetch(request);
}
};
export {
BrowserSession,
binding_worker_default as default
};
//# sourceMappingURL=binding.worker.js.map
File diff suppressed because one or more lines are too long
@@ -0,0 +1,19 @@
// src/workers/cache/constants.ts
var CacheHeaders = {
NAMESPACE: "cf-cache-namespace",
STATUS: "cf-cache-status"
};
// src/workers/cache/cache-entry-noop.worker.ts
var cache_entry_noop_worker_default = {
async fetch(request) {
return request.method === "GET" ? new Response(null, {
status: 504,
headers: { [CacheHeaders.STATUS]: "MISS" }
}) : request.method === "PUT" ? (await request.body?.pipeTo(new WritableStream()), new Response(null, { status: 204 })) : request.method === "PURGE" ? new Response(null, { status: 404 }) : new Response(null, { status: 405 });
}
};
export {
cache_entry_noop_worker_default as default
};
//# sourceMappingURL=cache-entry-noop.worker.js.map
@@ -0,0 +1,7 @@
{
"version": 3,
"sources": ["../../../../src/workers/cache/constants.ts", "../../../../src/workers/cache/cache-entry-noop.worker.ts"],
"sourcesContent": ["export const CacheHeaders = {\n\tNAMESPACE: \"cf-cache-namespace\",\n\tSTATUS: \"cf-cache-status\",\n} as const;\n\nexport const CacheBindings = {\n\tMAYBE_JSON_CACHE_WARN_USAGE: \"MINIFLARE_CACHE_WARN_USAGE\",\n} as const;\n\nexport interface CacheObjectCf {\n\tminiflare?: { cacheWarnUsage?: boolean };\n}\n", "import { CacheHeaders } from \"./constants\";\n\nexport default <ExportedHandler>{\n\tasync fetch(request) {\n\t\tif (request.method === \"GET\") {\n\t\t\treturn new Response(null, {\n\t\t\t\tstatus: 504,\n\t\t\t\theaders: { [CacheHeaders.STATUS]: \"MISS\" },\n\t\t\t});\n\t\t} else if (request.method === \"PUT\") {\n\t\t\t// Must consume request body, otherwise get \"disconnected: read end of pipe was aborted\" error from workerd\n\t\t\tawait request.body?.pipeTo(new WritableStream());\n\t\t\treturn new Response(null, { status: 204 });\n\t\t} else if (request.method === \"PURGE\") {\n\t\t\treturn new Response(null, { status: 404 });\n\t\t} else {\n\t\t\treturn new Response(null, { status: 405 });\n\t\t}\n\t},\n};\n"],
"mappings": ";AAAO,IAAM,eAAe;AAAA,EAC3B,WAAW;AAAA,EACX,QAAQ;AACT;;;ACDA,IAAO,kCAAyB;AAAA,EAC/B,MAAM,MAAM,SAAS;AACpB,WAAI,QAAQ,WAAW,QACf,IAAI,SAAS,MAAM;AAAA,MACzB,QAAQ;AAAA,MACR,SAAS,EAAE,CAAC,aAAa,MAAM,GAAG,OAAO;AAAA,IAC1C,CAAC,IACS,QAAQ,WAAW,SAE7B,MAAM,QAAQ,MAAM,OAAO,IAAI,eAAe,CAAC,GACxC,IAAI,SAAS,MAAM,EAAE,QAAQ,IAAI,CAAC,KAC/B,QAAQ,WAAW,UACtB,IAAI,SAAS,MAAM,EAAE,QAAQ,IAAI,CAAC,IAElC,IAAI,SAAS,MAAM,EAAE,QAAQ,IAAI,CAAC;AAAA,EAE3C;AACD;",
"names": []
}
+28
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@@ -0,0 +1,28 @@
// src/workers/cache/cache-entry.worker.ts
import { SharedBindings } from "miniflare:shared";
// src/workers/cache/constants.ts
var CacheHeaders = {
NAMESPACE: "cf-cache-namespace",
STATUS: "cf-cache-status"
}, CacheBindings = {
MAYBE_JSON_CACHE_WARN_USAGE: "MINIFLARE_CACHE_WARN_USAGE"
};
// src/workers/cache/cache-entry.worker.ts
var cache_entry_worker_default = {
async fetch(request, env) {
let namespace = request.headers.get(CacheHeaders.NAMESPACE), name = namespace === null ? "default" : `named:${namespace}`, objectNamespace = env[SharedBindings.DURABLE_OBJECT_NAMESPACE_OBJECT], id = objectNamespace.idFromName(name), stub = objectNamespace.get(id), cf = {
...request.cf,
miniflare: {
name,
cacheWarnUsage: env[CacheBindings.MAYBE_JSON_CACHE_WARN_USAGE]
}
};
return await stub.fetch(request, { cf });
}
};
export {
cache_entry_worker_default as default
};
//# sourceMappingURL=cache-entry.worker.js.map
@@ -0,0 +1,7 @@
{
"version": 3,
"sources": ["../../../../src/workers/cache/cache-entry.worker.ts", "../../../../src/workers/cache/constants.ts"],
"sourcesContent": ["import { SharedBindings } from \"miniflare:shared\";\nimport { CacheBindings, CacheHeaders } from \"./constants\";\nimport type { CacheObjectCf } from \"./constants\";\nimport type { MiniflareDurableObjectCf } from \"miniflare:shared\";\n\ninterface Env {\n\t[SharedBindings.DURABLE_OBJECT_NAMESPACE_OBJECT]: DurableObjectNamespace;\n\t[CacheBindings.MAYBE_JSON_CACHE_WARN_USAGE]?: boolean;\n}\n\nexport default <ExportedHandler<Env>>{\n\tasync fetch(request, env) {\n\t\tconst namespace = request.headers.get(CacheHeaders.NAMESPACE);\n\t\tconst name = namespace === null ? \"default\" : `named:${namespace}`;\n\n\t\tconst objectNamespace = env[SharedBindings.DURABLE_OBJECT_NAMESPACE_OBJECT];\n\t\tconst id = objectNamespace.idFromName(name);\n\t\tconst stub = objectNamespace.get(id);\n\t\tconst cf: MiniflareDurableObjectCf & CacheObjectCf = {\n\t\t\t...request.cf,\n\t\t\tminiflare: {\n\t\t\t\tname,\n\t\t\t\tcacheWarnUsage: env[CacheBindings.MAYBE_JSON_CACHE_WARN_USAGE],\n\t\t\t},\n\t\t};\n\t\treturn await stub.fetch(request, { cf: cf as Record<string, unknown> });\n\t},\n};\n", "export const CacheHeaders = {\n\tNAMESPACE: \"cf-cache-namespace\",\n\tSTATUS: \"cf-cache-status\",\n} as const;\n\nexport const CacheBindings = {\n\tMAYBE_JSON_CACHE_WARN_USAGE: \"MINIFLARE_CACHE_WARN_USAGE\",\n} as const;\n\nexport interface CacheObjectCf {\n\tminiflare?: { cacheWarnUsage?: boolean };\n}\n"],
"mappings": ";AAAA,SAAS,sBAAsB;;;ACAxB,IAAM,eAAe;AAAA,EAC3B,WAAW;AAAA,EACX,QAAQ;AACT,GAEa,gBAAgB;AAAA,EAC5B,6BAA6B;AAC9B;;;ADGA,IAAO,6BAA8B;AAAA,EACpC,MAAM,MAAM,SAAS,KAAK;AACzB,QAAM,YAAY,QAAQ,QAAQ,IAAI,aAAa,SAAS,GACtD,OAAO,cAAc,OAAO,YAAY,SAAS,SAAS,IAE1D,kBAAkB,IAAI,eAAe,+BAA+B,GACpE,KAAK,gBAAgB,WAAW,IAAI,GACpC,OAAO,gBAAgB,IAAI,EAAE,GAC7B,KAA+C;AAAA,MACpD,GAAG,QAAQ;AAAA,MACX,WAAW;AAAA,QACV;AAAA,QACA,gBAAgB,IAAI,cAAc,2BAA2B;AAAA,MAC9D;AAAA,IACD;AACA,WAAO,MAAM,KAAK,MAAM,SAAS,EAAE,GAAkC,CAAC;AAAA,EACvE;AACD;",
"names": []
}
+658
View File
@@ -0,0 +1,658 @@
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf, __hasOwnProp = Object.prototype.hasOwnProperty;
var __commonJS = (cb, mod) => function() {
try {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
} catch (e) {
throw mod = 0, e;
}
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from == "object" || typeof from == "function")
for (let key of __getOwnPropNames(from))
!__hasOwnProp.call(to, key) && key !== except && __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: !0 }) : target,
mod
));
var __decorateClass = (decorators, target, key, kind) => {
for (var result = kind > 1 ? void 0 : kind ? __getOwnPropDesc(target, key) : target, i = decorators.length - 1, decorator; i >= 0; i--)
(decorator = decorators[i]) && (result = (kind ? decorator(target, key, result) : decorator(result)) || result);
return kind && result && __defProp(target, key, result), result;
};
// ../../node_modules/.pnpm/http-cache-semantics@4.1.1/node_modules/http-cache-semantics/index.js
var require_http_cache_semantics = __commonJS({
"../../node_modules/.pnpm/http-cache-semantics@4.1.1/node_modules/http-cache-semantics/index.js"(exports, module) {
"use strict";
var statusCodeCacheableByDefault = /* @__PURE__ */ new Set([
200,
203,
204,
206,
300,
301,
308,
404,
405,
410,
414,
501
]), understoodStatuses = /* @__PURE__ */ new Set([
200,
203,
204,
300,
301,
302,
303,
307,
308,
404,
405,
410,
414,
501
]), errorStatusCodes = /* @__PURE__ */ new Set([
500,
502,
503,
504
]), hopByHopHeaders = {
date: !0,
// included, because we add Age update Date
connection: !0,
"keep-alive": !0,
"proxy-authenticate": !0,
"proxy-authorization": !0,
te: !0,
trailer: !0,
"transfer-encoding": !0,
upgrade: !0
}, excludedFromRevalidationUpdate = {
// Since the old body is reused, it doesn't make sense to change properties of the body
"content-length": !0,
"content-encoding": !0,
"transfer-encoding": !0,
"content-range": !0
};
function toNumberOrZero(s) {
let n = parseInt(s, 10);
return isFinite(n) ? n : 0;
}
function isErrorResponse(response) {
return response ? errorStatusCodes.has(response.status) : !0;
}
function parseCacheControl(header) {
let cc = {};
if (!header) return cc;
let parts = header.trim().split(/,/);
for (let part of parts) {
let [k, v] = part.split(/=/, 2);
cc[k.trim()] = v === void 0 ? !0 : v.trim().replace(/^"|"$/g, "");
}
return cc;
}
function formatCacheControl(cc) {
let parts = [];
for (let k in cc) {
let v = cc[k];
parts.push(v === !0 ? k : k + "=" + v);
}
if (parts.length)
return parts.join(", ");
}
module.exports = class {
constructor(req, res, {
shared,
cacheHeuristic,
immutableMinTimeToLive,
ignoreCargoCult,
_fromObject
} = {}) {
if (_fromObject) {
this._fromObject(_fromObject);
return;
}
if (!res || !res.headers)
throw Error("Response headers missing");
this._assertRequestHasHeaders(req), this._responseTime = this.now(), this._isShared = shared !== !1, this._cacheHeuristic = cacheHeuristic !== void 0 ? cacheHeuristic : 0.1, this._immutableMinTtl = immutableMinTimeToLive !== void 0 ? immutableMinTimeToLive : 24 * 3600 * 1e3, this._status = "status" in res ? res.status : 200, this._resHeaders = res.headers, this._rescc = parseCacheControl(res.headers["cache-control"]), this._method = "method" in req ? req.method : "GET", this._url = req.url, this._host = req.headers.host, this._noAuthorization = !req.headers.authorization, this._reqHeaders = res.headers.vary ? req.headers : null, this._reqcc = parseCacheControl(req.headers["cache-control"]), ignoreCargoCult && "pre-check" in this._rescc && "post-check" in this._rescc && (delete this._rescc["pre-check"], delete this._rescc["post-check"], delete this._rescc["no-cache"], delete this._rescc["no-store"], delete this._rescc["must-revalidate"], this._resHeaders = Object.assign({}, this._resHeaders, {
"cache-control": formatCacheControl(this._rescc)
}), delete this._resHeaders.expires, delete this._resHeaders.pragma), res.headers["cache-control"] == null && /no-cache/.test(res.headers.pragma) && (this._rescc["no-cache"] = !0);
}
now() {
return Date.now();
}
storable() {
return !!(!this._reqcc["no-store"] && // A cache MUST NOT store a response to any request, unless:
// The request method is understood by the cache and defined as being cacheable, and
(this._method === "GET" || this._method === "HEAD" || this._method === "POST" && this._hasExplicitExpiration()) && // the response status code is understood by the cache, and
understoodStatuses.has(this._status) && // the "no-store" cache directive does not appear in request or response header fields, and
!this._rescc["no-store"] && // the "private" response directive does not appear in the response, if the cache is shared, and
(!this._isShared || !this._rescc.private) && // the Authorization header field does not appear in the request, if the cache is shared,
(!this._isShared || this._noAuthorization || this._allowsStoringAuthenticated()) && // the response either:
// contains an Expires header field, or
(this._resHeaders.expires || // contains a max-age response directive, or
// contains a s-maxage response directive and the cache is shared, or
// contains a public response directive.
this._rescc["max-age"] || this._isShared && this._rescc["s-maxage"] || this._rescc.public || // has a status code that is defined as cacheable by default
statusCodeCacheableByDefault.has(this._status)));
}
_hasExplicitExpiration() {
return this._isShared && this._rescc["s-maxage"] || this._rescc["max-age"] || this._resHeaders.expires;
}
_assertRequestHasHeaders(req) {
if (!req || !req.headers)
throw Error("Request headers missing");
}
satisfiesWithoutRevalidation(req) {
this._assertRequestHasHeaders(req);
let requestCC = parseCacheControl(req.headers["cache-control"]);
return requestCC["no-cache"] || /no-cache/.test(req.headers.pragma) || requestCC["max-age"] && this.age() > requestCC["max-age"] || requestCC["min-fresh"] && this.timeToLive() < 1e3 * requestCC["min-fresh"] || this.stale() && !(requestCC["max-stale"] && !this._rescc["must-revalidate"] && (requestCC["max-stale"] === !0 || requestCC["max-stale"] > this.age() - this.maxAge())) ? !1 : this._requestMatches(req, !1);
}
_requestMatches(req, allowHeadMethod) {
return (!this._url || this._url === req.url) && this._host === req.headers.host && // the request method associated with the stored response allows it to be used for the presented request, and
(!req.method || this._method === req.method || allowHeadMethod && req.method === "HEAD") && // selecting header fields nominated by the stored response (if any) match those presented, and
this._varyMatches(req);
}
_allowsStoringAuthenticated() {
return this._rescc["must-revalidate"] || this._rescc.public || this._rescc["s-maxage"];
}
_varyMatches(req) {
if (!this._resHeaders.vary)
return !0;
if (this._resHeaders.vary === "*")
return !1;
let fields = this._resHeaders.vary.trim().toLowerCase().split(/\s*,\s*/);
for (let name of fields)
if (req.headers[name] !== this._reqHeaders[name]) return !1;
return !0;
}
_copyWithoutHopByHopHeaders(inHeaders) {
let headers = {};
for (let name in inHeaders)
hopByHopHeaders[name] || (headers[name] = inHeaders[name]);
if (inHeaders.connection) {
let tokens = inHeaders.connection.trim().split(/\s*,\s*/);
for (let name of tokens)
delete headers[name];
}
if (headers.warning) {
let warnings = headers.warning.split(/,/).filter((warning) => !/^\s*1[0-9][0-9]/.test(warning));
warnings.length ? headers.warning = warnings.join(",").trim() : delete headers.warning;
}
return headers;
}
responseHeaders() {
let headers = this._copyWithoutHopByHopHeaders(this._resHeaders), age = this.age();
return age > 3600 * 24 && !this._hasExplicitExpiration() && this.maxAge() > 3600 * 24 && (headers.warning = (headers.warning ? `${headers.warning}, ` : "") + '113 - "rfc7234 5.5.4"'), headers.age = `${Math.round(age)}`, headers.date = new Date(this.now()).toUTCString(), headers;
}
/**
* Value of the Date response header or current time if Date was invalid
* @return timestamp
*/
date() {
let serverDate = Date.parse(this._resHeaders.date);
return isFinite(serverDate) ? serverDate : this._responseTime;
}
/**
* Value of the Age header, in seconds, updated for the current time.
* May be fractional.
*
* @return Number
*/
age() {
let age = this._ageValue(), residentTime = (this.now() - this._responseTime) / 1e3;
return age + residentTime;
}
_ageValue() {
return toNumberOrZero(this._resHeaders.age);
}
/**
* Value of applicable max-age (or heuristic equivalent) in seconds. This counts since response's `Date`.
*
* For an up-to-date value, see `timeToLive()`.
*
* @return Number
*/
maxAge() {
if (!this.storable() || this._rescc["no-cache"] || this._isShared && this._resHeaders["set-cookie"] && !this._rescc.public && !this._rescc.immutable || this._resHeaders.vary === "*")
return 0;
if (this._isShared) {
if (this._rescc["proxy-revalidate"])
return 0;
if (this._rescc["s-maxage"])
return toNumberOrZero(this._rescc["s-maxage"]);
}
if (this._rescc["max-age"])
return toNumberOrZero(this._rescc["max-age"]);
let defaultMinTtl = this._rescc.immutable ? this._immutableMinTtl : 0, serverDate = this.date();
if (this._resHeaders.expires) {
let expires = Date.parse(this._resHeaders.expires);
return Number.isNaN(expires) || expires < serverDate ? 0 : Math.max(defaultMinTtl, (expires - serverDate) / 1e3);
}
if (this._resHeaders["last-modified"]) {
let lastModified = Date.parse(this._resHeaders["last-modified"]);
if (isFinite(lastModified) && serverDate > lastModified)
return Math.max(
defaultMinTtl,
(serverDate - lastModified) / 1e3 * this._cacheHeuristic
);
}
return defaultMinTtl;
}
timeToLive() {
let age = this.maxAge() - this.age(), staleIfErrorAge = age + toNumberOrZero(this._rescc["stale-if-error"]), staleWhileRevalidateAge = age + toNumberOrZero(this._rescc["stale-while-revalidate"]);
return Math.max(0, age, staleIfErrorAge, staleWhileRevalidateAge) * 1e3;
}
stale() {
return this.maxAge() <= this.age();
}
_useStaleIfError() {
return this.maxAge() + toNumberOrZero(this._rescc["stale-if-error"]) > this.age();
}
useStaleWhileRevalidate() {
return this.maxAge() + toNumberOrZero(this._rescc["stale-while-revalidate"]) > this.age();
}
static fromObject(obj) {
return new this(void 0, void 0, { _fromObject: obj });
}
_fromObject(obj) {
if (this._responseTime) throw Error("Reinitialized");
if (!obj || obj.v !== 1) throw Error("Invalid serialization");
this._responseTime = obj.t, this._isShared = obj.sh, this._cacheHeuristic = obj.ch, this._immutableMinTtl = obj.imm !== void 0 ? obj.imm : 24 * 3600 * 1e3, this._status = obj.st, this._resHeaders = obj.resh, this._rescc = obj.rescc, this._method = obj.m, this._url = obj.u, this._host = obj.h, this._noAuthorization = obj.a, this._reqHeaders = obj.reqh, this._reqcc = obj.reqcc;
}
toObject() {
return {
v: 1,
t: this._responseTime,
sh: this._isShared,
ch: this._cacheHeuristic,
imm: this._immutableMinTtl,
st: this._status,
resh: this._resHeaders,
rescc: this._rescc,
m: this._method,
u: this._url,
h: this._host,
a: this._noAuthorization,
reqh: this._reqHeaders,
reqcc: this._reqcc
};
}
/**
* Headers for sending to the origin server to revalidate stale response.
* Allows server to return 304 to allow reuse of the previous response.
*
* Hop by hop headers are always stripped.
* Revalidation headers may be added or removed, depending on request.
*/
revalidationHeaders(incomingReq) {
this._assertRequestHasHeaders(incomingReq);
let headers = this._copyWithoutHopByHopHeaders(incomingReq.headers);
if (delete headers["if-range"], !this._requestMatches(incomingReq, !0) || !this.storable())
return delete headers["if-none-match"], delete headers["if-modified-since"], headers;
if (this._resHeaders.etag && (headers["if-none-match"] = headers["if-none-match"] ? `${headers["if-none-match"]}, ${this._resHeaders.etag}` : this._resHeaders.etag), headers["accept-ranges"] || headers["if-match"] || headers["if-unmodified-since"] || this._method && this._method != "GET") {
if (delete headers["if-modified-since"], headers["if-none-match"]) {
let etags = headers["if-none-match"].split(/,/).filter((etag) => !/^\s*W\//.test(etag));
etags.length ? headers["if-none-match"] = etags.join(",").trim() : delete headers["if-none-match"];
}
} else this._resHeaders["last-modified"] && !headers["if-modified-since"] && (headers["if-modified-since"] = this._resHeaders["last-modified"]);
return headers;
}
/**
* Creates new CachePolicy with information combined from the previews response,
* and the new revalidation response.
*
* Returns {policy, modified} where modified is a boolean indicating
* whether the response body has been modified, and old cached body can't be used.
*
* @return {Object} {policy: CachePolicy, modified: Boolean}
*/
revalidatedPolicy(request, response) {
if (this._assertRequestHasHeaders(request), this._useStaleIfError() && isErrorResponse(response))
return {
modified: !1,
matches: !1,
policy: this
};
if (!response || !response.headers)
throw Error("Response headers missing");
let matches = !1;
if (response.status !== void 0 && response.status != 304 ? matches = !1 : response.headers.etag && !/^\s*W\//.test(response.headers.etag) ? matches = this._resHeaders.etag && this._resHeaders.etag.replace(/^\s*W\//, "") === response.headers.etag : this._resHeaders.etag && response.headers.etag ? matches = this._resHeaders.etag.replace(/^\s*W\//, "") === response.headers.etag.replace(/^\s*W\//, "") : this._resHeaders["last-modified"] ? matches = this._resHeaders["last-modified"] === response.headers["last-modified"] : !this._resHeaders.etag && !this._resHeaders["last-modified"] && !response.headers.etag && !response.headers["last-modified"] && (matches = !0), !matches)
return {
policy: new this.constructor(request, response),
// Client receiving 304 without body, even if it's invalid/mismatched has no option
// but to reuse a cached body. We don't have a good way to tell clients to do
// error recovery in such case.
modified: response.status != 304,
matches: !1
};
let headers = {};
for (let k in this._resHeaders)
headers[k] = k in response.headers && !excludedFromRevalidationUpdate[k] ? response.headers[k] : this._resHeaders[k];
let newResponse = Object.assign({}, response, {
status: this._status,
method: this._method,
headers
});
return {
policy: new this.constructor(request, newResponse, {
shared: this._isShared,
cacheHeuristic: this._cacheHeuristic,
immutableMinTimeToLive: this._immutableMinTtl
}),
modified: !1,
matches: !0
};
}
};
}
});
// src/workers/cache/cache.worker.ts
var import_http_cache_semantics = __toESM(require_http_cache_semantics());
import assert from "node:assert";
import { Buffer as Buffer2 } from "node:buffer";
import {
DeferredPromise,
DELETE,
GET,
KeyValueStorage,
LogLevel,
MiniflareDurableObject,
parseRanges,
PURGE,
PUT
} from "miniflare:shared";
// src/workers/kv/constants.ts
import { testRegExps } from "miniflare:shared";
var KVLimits = {
MIN_CACHE_TTL_SECONDS: 30,
MIN_EXPIRATION_TTL_SECONDS: 60,
MAX_LIST_KEYS: 1e3,
MAX_KEY_SIZE_BYTES: 512,
MAX_VALUE_SIZE_BYTES: 25 * 1024 * 1024,
MAX_VALUE_SIZE_TEST_BYTES: 1024,
MAX_METADATA_SIZE_BYTES: 1024,
MAX_BULK_SIZE_BYTES: 25 * 1024 * 1024
};
var SITES_NO_CACHE_PREFIX = "$__MINIFLARE_SITES__$/";
function isSitesRequest(request) {
return new URL(request.url).pathname.startsWith(`/${SITES_NO_CACHE_PREFIX}`);
}
// src/workers/cache/errors.worker.ts
import { HttpError } from "miniflare:shared";
// src/workers/cache/constants.ts
var CacheHeaders = {
NAMESPACE: "cf-cache-namespace",
STATUS: "cf-cache-status"
};
// src/workers/cache/errors.worker.ts
var CacheError = class extends HttpError {
constructor(code, message, headers = []) {
super(code, message);
this.headers = headers;
}
headers;
toResponse() {
return new Response(null, {
status: this.code,
headers: this.headers
});
}
context(info) {
return this.message += ` (${info})`, this;
}
}, StorageFailure = class extends CacheError {
constructor() {
super(413, "Cache storage failed");
}
}, PurgeFailure = class extends CacheError {
constructor() {
super(404, "Couldn't find asset to purge");
}
}, CacheMiss = class extends CacheError {
constructor() {
super(
// workerd ignores this, but it's the correct status code
504,
"Asset not found in cache",
[[CacheHeaders.STATUS, "MISS"]]
);
}
}, RangeNotSatisfiable = class extends CacheError {
constructor(size) {
super(416, "Range not satisfiable", [
["Content-Range", `bytes */${size}`],
[CacheHeaders.STATUS, "HIT"]
]);
}
};
// src/workers/cache/cache.worker.ts
function getCacheKey(req) {
return req.cf?.cacheKey ? String(req.cf?.cacheKey) : req.url;
}
function getExpiration(timers, req, res) {
let reqHeaders = normaliseHeaders(req.headers);
delete reqHeaders["cache-control"];
let resHeaders = normaliseHeaders(res.headers);
resHeaders["cache-control"]?.toLowerCase().includes("private=set-cookie") && (resHeaders["cache-control"] = resHeaders["cache-control"]?.toLowerCase().replace(/private=set-cookie;?/i, ""), delete resHeaders["set-cookie"]);
let cacheReq = {
url: req.url,
// If a request gets to the Cache service, it's method will be GET. See README.md for details
method: "GET",
headers: reqHeaders
}, cacheRes = {
status: res.status,
headers: resHeaders
}, originalNow = import_http_cache_semantics.default.prototype.now;
import_http_cache_semantics.default.prototype.now = timers.now;
try {
let policy = new import_http_cache_semantics.default(cacheReq, cacheRes, { shared: !0 });
return {
// Check if the request & response is cacheable
storable: policy.storable() && !("set-cookie" in resHeaders),
expiration: policy.timeToLive(),
// Cache Policy Headers is typed as [header: string]: string | string[] | undefined
// It's safe to ignore the undefined here, which is what casting to HeadersInit does
headers: policy.responseHeaders()
};
} finally {
import_http_cache_semantics.default.prototype.now = originalNow;
}
}
function normaliseHeaders(headers) {
let result = {};
for (let [key, value] of headers) result[key.toLowerCase()] = value;
return result;
}
var etagRegexp = /^(W\/)?"(.+)"$/;
function parseETag(value) {
return etagRegexp.exec(value.trim())?.[2] ?? void 0;
}
var utcDateRegexp = /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), \d\d (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d\d\d\d \d\d:\d\d:\d\d GMT$/;
function parseUTCDate(value) {
return utcDateRegexp.test(value) ? Date.parse(value) : NaN;
}
function getMatchResponse(reqHeaders, res) {
let reqIfNoneMatchHeader = reqHeaders.get("If-None-Match"), resETagHeader = res.headers.get("ETag");
if (reqIfNoneMatchHeader !== null && resETagHeader !== null) {
let resETag = parseETag(resETagHeader);
if (resETag !== void 0) {
if (reqIfNoneMatchHeader.trim() === "*")
return new Response(null, { status: 304, headers: res.headers });
for (let reqIfNoneMatch of reqIfNoneMatchHeader.split(","))
if (resETag === parseETag(reqIfNoneMatch))
return new Response(null, { status: 304, headers: res.headers });
}
}
let reqIfModifiedSinceHeader = reqHeaders.get("If-Modified-Since"), resLastModifiedHeader = res.headers.get("Last-Modified");
if (reqIfModifiedSinceHeader !== null && resLastModifiedHeader !== null) {
let reqIfModifiedSince = parseUTCDate(reqIfModifiedSinceHeader);
if (parseUTCDate(resLastModifiedHeader) <= reqIfModifiedSince)
return new Response(null, { status: 304, headers: res.headers });
}
if (res.ranges.length > 0)
if (res.status = 206, res.ranges.length > 1)
assert(!(res.body instanceof ReadableStream)), res.headers.set("Content-Type", res.body.multipartContentType);
else {
let { start, end } = res.ranges[0];
res.headers.set(
"Content-Range",
`bytes ${start}-${end}/${res.totalSize}`
), res.headers.set("Content-Length", `${end - start + 1}`);
}
return res.body instanceof ReadableStream || (res.body = res.body.body), new Response(res.body, { status: res.status, headers: res.headers });
}
var CR = 13, LF = 10, STATUS_REGEXP = /^HTTP\/\d(?:\.\d)? (?<rawStatusCode>\d+) (?<statusText>.*)$/;
async function parseHttpResponse(stream) {
let buffer = Buffer2.alloc(0), blankLineIndex = -1;
for await (let chunk of stream.values({ preventCancel: !0 }))
if (buffer = Buffer2.concat([buffer, chunk]), blankLineIndex = buffer.findIndex(
(_value, index) => buffer[index] === CR && buffer[index + 1] === LF && buffer[index + 2] === CR && buffer[index + 3] === LF
), blankLineIndex !== -1) break;
assert(blankLineIndex !== -1, "Expected to find blank line in HTTP message");
let rawStatusHeaders = buffer.subarray(0, blankLineIndex).toString(), [rawStatus, ...rawHeaders] = rawStatusHeaders.split(`\r
`), statusMatch = rawStatus.match(STATUS_REGEXP);
assert(
statusMatch?.groups != null,
`Expected first line ${JSON.stringify(rawStatus)} to be HTTP status line`
);
let { rawStatusCode, statusText } = statusMatch.groups, statusCode = parseInt(rawStatusCode), headers = rawHeaders.map((rawHeader) => {
let index = rawHeader.indexOf(":");
return [
rawHeader.substring(0, index),
rawHeader.substring(index + 1).trim()
];
}), prefix = buffer.subarray(
blankLineIndex + 4
/* "\r\n\r\n" */
), { readable, writable } = new IdentityTransformStream(), writer = writable.getWriter();
return writer.write(prefix).then(() => (writer.releaseLock(), stream.pipeTo(writable))).catch((e) => console.error("Error writing HTTP body:", e)), new Response(readable, { status: statusCode, statusText, headers });
}
var SizingStream = class extends TransformStream {
size;
constructor() {
let sizePromise = new DeferredPromise(), size = 0;
super({
transform(chunk, controller) {
size += chunk.byteLength, controller.enqueue(chunk);
},
flush() {
sizePromise.resolve(size);
}
}), this.size = sizePromise;
}
}, CacheObject = class extends MiniflareDurableObject {
#warnedUsage = !1;
async #maybeWarnUsage(request) {
!this.#warnedUsage && request.cf?.miniflare?.cacheWarnUsage === !0 && (this.#warnedUsage = !0, await this.logWithLevel(
LogLevel.WARN,
"Cache operations will have no impact if you deploy to a workers.dev subdomain!"
));
}
#storage;
get storage() {
return this.#storage ??= new KeyValueStorage(this);
}
match = async (req) => {
await this.#maybeWarnUsage(req);
let cacheKey = getCacheKey(req);
if (isSitesRequest(req)) throw new CacheMiss();
let resHeaders, resRanges, cached = await this.storage.get(cacheKey, ({ size, headers }) => {
resHeaders = new Headers(headers);
let contentType = resHeaders.get("Content-Type"), rangeHeader = req.headers.get("Range");
if (rangeHeader !== null && (resRanges = parseRanges(rangeHeader, size), resRanges === void 0))
throw new RangeNotSatisfiable(size);
return {
ranges: resRanges,
contentLength: size,
contentType: contentType ?? void 0
};
});
if (cached?.metadata === void 0) throw new CacheMiss();
return assert(resHeaders !== void 0), resHeaders.set("CF-Cache-Status", "HIT"), resRanges ??= [], getMatchResponse(req.headers, {
status: cached.metadata.status,
headers: resHeaders,
ranges: resRanges,
body: cached.value,
totalSize: cached.metadata.size
});
};
put = async (req) => {
await this.#maybeWarnUsage(req);
let cacheKey = getCacheKey(req);
if (isSitesRequest(req)) throw new CacheMiss();
assert(req.body !== null);
let res = await parseHttpResponse(req.body), body = res.body;
assert(body !== null);
let { storable, expiration, headers } = getExpiration(
this.timers,
req,
res
);
if (!storable) {
try {
await body.pipeTo(new WritableStream());
} catch {
}
throw new StorageFailure();
}
let contentLength = parseInt(res.headers.get("Content-Length") ?? "NaN"), sizePromise;
if (Number.isNaN(contentLength)) {
let stream = new SizingStream();
body = body.pipeThrough(stream), sizePromise = stream.size;
} else
sizePromise = Promise.resolve(contentLength);
let metadata = sizePromise.then((size) => ({
headers: Object.entries(headers),
status: res.status,
size
}));
return await this.storage.put({
key: cacheKey,
value: body,
expiration: this.timers.now() + expiration,
metadata
}), new Response(null, { status: 204 });
};
delete = async (req) => {
await this.#maybeWarnUsage(req);
let cacheKey = getCacheKey(req);
if (!await this.storage.delete(cacheKey)) throw new PurgeFailure();
return new Response(null);
};
purgeAll = async () => {
let deletedCount = this.storage.deleteAll();
return Response.json({ deleted: deletedCount });
};
};
__decorateClass([
GET()
], CacheObject.prototype, "match", 2), __decorateClass([
PUT()
], CacheObject.prototype, "put", 2), __decorateClass([
PURGE()
], CacheObject.prototype, "delete", 2), __decorateClass([
DELETE("/purge-all")
], CacheObject.prototype, "purgeAll", 2);
export {
CacheObject,
parseHttpResponse
};
//# sourceMappingURL=cache.worker.js.map
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// src/workers/core/dev-registry-proxy.worker.ts
import { WorkerEntrypoint } from "cloudflare:workers";
// src/workers/queues/constants.ts
var HEADER_QUEUE_NAME = "MF-Queue-Name", SERVICE_QUEUE_PREFIX = "queues:queue";
function getQueueServiceName(queueId) {
return `${SERVICE_QUEUE_PREFIX}:${queueId}`;
}
// src/workers/core/dev-registry-proxy-shared.worker.ts
import { DurableObject } from "cloudflare:workers";
var registry = /* @__PURE__ */ new Map();
function setRegistry(data) {
registry = new Map(Object.entries(data));
}
function resolveTarget(service) {
let entry = registry.get(service);
if (!(!entry || !("debugPortAddress" in entry)))
return entry;
}
function findQueueConsumer(queueName) {
for (let entry of registry.values())
if (Array.isArray(entry.queueConsumers) && entry.queueConsumers.includes(queueName) && entry.debugPortAddress)
return entry;
}
function hasRegistryEntry(service) {
return registry.has(service);
}
function workerNotFoundMessage(service) {
return hasRegistryEntry(service) ? `Worker "${service}" is not compatible with this version of the dev server. Please update all Worker instances to the same version.` : `Worker "${service}" not found. Make sure it is running locally.`;
}
function connectToActor(debugPort, scriptName, className, actorId) {
let target = resolveTarget(scriptName);
return !target || !target.debugPortAddress ? null : debugPort.connect(target.debugPortAddress).getActor(target.userWorkerService, className, actorId);
}
function createProxyDurableObjectClass({
scriptName,
className
}) {
return class extends DurableObject {
_cachedFetcher;
_cachedDebugPortAddress;
// Lazily resolve and cache. Invalidates when debugPortAddress changes.
_resolve() {
let target = resolveTarget(scriptName);
if (this._cachedFetcher && target?.debugPortAddress === this._cachedDebugPortAddress)
return this._cachedFetcher;
this._cachedFetcher = void 0, this._cachedDebugPortAddress = void 0;
let fetcher = connectToActor(
this.env.DEV_REGISTRY_DEBUG_PORT,
scriptName,
className,
this.ctx.id.toString()
);
return fetcher && target && (this._cachedFetcher = fetcher, this._cachedDebugPortAddress = target.debugPortAddress), fetcher;
}
constructor(ctx, env) {
return super(ctx, env), new Proxy(this, {
get(target, prop) {
if (Reflect.has(target, prop))
return Reflect.get(target, prop);
let fetcher = target._resolve();
return fetcher ? Reflect.get(fetcher, prop) : () => {
throw new Error(workerNotFoundMessage(scriptName));
};
}
});
}
fetch(request) {
let fetcher = this._resolve();
return fetcher ? fetcher.fetch(request) : Promise.resolve(
new Response(workerNotFoundMessage(scriptName), { status: 503 })
);
}
};
}
var SERIALIZED_DATE = "___serialized_date___", SERIALIZED_BIGINT = "___serialized_bigint___";
function tailEventsReplacer(_, value) {
return value instanceof Date ? { [SERIALIZED_DATE]: value.toISOString() } : typeof value == "bigint" ? { [SERIALIZED_BIGINT]: value.toString() } : value;
}
function tailEventsReviver(_, value) {
if (value && typeof value == "object") {
if (SERIALIZED_DATE in value)
return new Date(value[SERIALIZED_DATE]);
if (SERIALIZED_BIGINT in value)
return BigInt(value[SERIALIZED_BIGINT]);
}
return value;
}
// src/workers/core/dev-registry-proxy.worker.ts
var HANDLER_RESERVED_KEYS = /* @__PURE__ */ new Set([
"alarm",
"connect",
"self",
"tail",
"tailStream",
"test",
"trace",
"webSocketClose",
"webSocketError",
"webSocketMessage"
]);
function resolve(props, env) {
let { service, entrypoint, userProps } = props, target = resolveTarget(service);
if (!target || !target.debugPortAddress)
return null;
let serviceName = entrypoint === null || entrypoint === "default" ? target.defaultEntrypointService : target.userWorkerService;
return env.DEV_REGISTRY_DEBUG_PORT.connect(target.debugPortAddress).getEntrypoint(serviceName, entrypoint ?? void 0, userProps);
}
var ExternalQueueProxy = class extends WorkerEntrypoint {
fetch(request) {
let queueName = request.headers.get(HEADER_QUEUE_NAME);
if (queueName === null)
return new Response(`Missing "${HEADER_QUEUE_NAME}" header`, {
status: 400
});
let target = findQueueConsumer(queueName);
if (target === void 0)
return new Response(
`No Worker consuming queue "${queueName}" found in the local dev registry. Make sure the consumer Worker is running locally.`,
{ status: 503 }
);
let broker = this.env.DEV_REGISTRY_DEBUG_PORT.connect(
target.debugPortAddress
).getEntrypoint(getQueueServiceName(queueName)), headers = new Headers(request.headers);
return headers.delete(HEADER_QUEUE_NAME), broker.fetch(new Request(request, { headers }));
}
}, ExternalServiceProxy = class extends WorkerEntrypoint {
_fetcher = null;
_entryFetcher = null;
constructor(ctx, env) {
super(ctx, env), this._fetcher = resolve(ctx.props, env);
let target = resolveTarget(ctx.props.service);
if (target && target.debugPortAddress) {
let client = env.DEV_REGISTRY_DEBUG_PORT.connect(
target.debugPortAddress
);
this._entryFetcher = client.getEntrypoint("core:entry");
}
return new Proxy(this, {
get(target2, prop) {
if (Reflect.has(target2, prop))
return Reflect.get(target2, prop);
if (!(typeof prop == "string" && HANDLER_RESERVED_KEYS.has(prop))) {
if (!target2._fetcher)
throw new Error(workerNotFoundMessage(ctx.props.service));
return Reflect.get(target2._fetcher, prop);
}
}
});
}
fetch(request) {
return this._fetcher ? this._fetcher.fetch(request) : new Response(workerNotFoundMessage(this.ctx.props.service), {
status: 503
});
}
async scheduled(controller) {
if (!this._entryFetcher)
throw new Error(workerNotFoundMessage(this.ctx.props.service));
let params = new URLSearchParams();
controller.cron && params.set("cron", controller.cron), controller.scheduledTime && params.set("time", String(controller.scheduledTime));
let response = await this._entryFetcher.fetch(
new Request(`http://localhost/cdn-cgi/handler/scheduled?${params}`, {
headers: { "MF-Route-Override": this.ctx.props.service }
})
);
if (!response.ok) {
let body = await response.text();
throw new Error(
`Scheduled handler returned HTTP ${response.status}: ${body}`
);
}
}
// Forward tail events to the remote worker via RPC.
// Events with rpcMethod==="tail" are filtered out to prevent infinite
// recursion (the remote tail() call would itself produce a tail event).
tail(events) {
if (!this._fetcher)
return;
let filtered = events.filter(
(e) => e.event?.rpcMethod !== "tail"
);
if (filtered.length !== 0)
try {
let serializedEvents = JSON.parse(
JSON.stringify(filtered, tailEventsReplacer),
tailEventsReviver
);
return this._fetcher.tail(serializedEvents);
} catch (e) {
console.warn(
`[dev-registry] Failed to forward tail events to "${this.ctx.props.service}": ${e instanceof Error ? e.message : String(e)}`
);
}
}
};
export {
ExternalQueueProxy,
ExternalServiceProxy,
createProxyDurableObjectClass,
setRegistry
};
//# sourceMappingURL=dev-registry-proxy.worker.js.map
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// src/plugins/core/constants.ts
var CORE_PLUGIN_NAME = "core", SERVICE_ENTRY = `${CORE_PLUGIN_NAME}:entry`, SERVICE_LOCAL_EXPLORER = `${CORE_PLUGIN_NAME}:local-explorer`, LOCAL_EXPLORER_DISK = `${CORE_PLUGIN_NAME}:local-explorer-disk`, SERVICE_USER_PREFIX = `${CORE_PLUGIN_NAME}:user`, SERVICE_BUILTIN_PREFIX = `${CORE_PLUGIN_NAME}:builtin`, SERVICE_CUSTOM_FETCH_PREFIX = `${CORE_PLUGIN_NAME}:custom-fetch`, SERVICE_CUSTOM_NODE_PREFIX = `${CORE_PLUGIN_NAME}:custom-node`;
var INTROSPECT_SQLITE_METHOD = "__miniflare_introspectSqlite", GET_DO_NAME_METHOD = "__miniflare_getDOName";
// src/workers/core/do-wrapper.worker.ts
function createDurableObjectWrapper(UserClass) {
class Wrapper extends UserClass {
constructor(ctx, env) {
super(ctx, env), ctx.id.name !== void 0 && ctx.blockConcurrencyWhile(async () => {
let sql = ctx.storage.sql;
sql && (sql.exec(
"CREATE TABLE IF NOT EXISTS __miniflare_do_name (id INTEGER PRIMARY KEY, name TEXT)"
), sql.exec(
"INSERT OR REPLACE INTO __miniflare_do_name (id, name) VALUES (1, ?)",
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- guarded by outer if
ctx.id.name
));
});
}
/**
* Returns the DO instance name from ctx.id.name if available:
*/
[GET_DO_NAME_METHOD]() {
if (this.ctx.id.name !== void 0)
return this.ctx.id.name;
let sql = this.ctx.storage.sql;
if (sql)
try {
let row = sql.exec("SELECT name FROM __miniflare_do_name WHERE id = 1").one();
if (typeof row?.name == "string")
return row.name;
} catch {
}
}
/**
* Execute SQL queries against the DO's SQLite storage.
* If multiple queries are provided, they run in a transaction.
*/
[INTROSPECT_SQLITE_METHOD](queries) {
let sql = this.ctx.storage.sql;
if (!sql)
throw new Error(
"This Durable Object does not have SQLite storage enabled"
);
let executeQuery = (query) => {
let cursor = sql.exec(query.sql, ...query.params ?? []);
return {
columns: cursor.columnNames,
rows: Array.from(cursor.raw()),
meta: {
rows_read: cursor.rowsRead,
rows_written: cursor.rowsWritten
}
};
}, results = [];
return queries.length > 1 ? this.ctx.storage.transactionSync(() => {
for (let query of queries)
results.push(executeQuery(query));
}) : results.push(executeQuery(queries[0])), results;
}
}
return Object.defineProperty(Wrapper, "name", { value: UserClass.name }), Wrapper;
}
export {
createDurableObjectWrapper
};
//# sourceMappingURL=do-wrapper.worker.js.map
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// src/workers/core/outbound.worker.ts
import { LogLevel, SharedHeaders } from "miniflare:shared";
// src/workers/core/constants.ts
var CoreHeaders = {
CUSTOM_FETCH_SERVICE: "MF-Custom-Fetch-Service",
CUSTOM_NODE_SERVICE: "MF-Custom-Node-Service",
ORIGINAL_URL: "MF-Original-URL",
/**
* Stores the original hostname when using the `upstream` option.
* When requests are proxied to an upstream, the `Host` header is rewritten
* to match the upstream. This header preserves the original hostname
* so Workers can access it if needed.
*/
ORIGINAL_HOSTNAME: "MF-Original-Hostname",
PROXY_SHARED_SECRET: "MF-Proxy-Shared-Secret",
DISABLE_PRETTY_ERROR: "MF-Disable-Pretty-Error",
ERROR_STACK: "MF-Experimental-Error-Stack",
ROUTE_OVERRIDE: "MF-Route-Override",
CF_BLOB: "MF-CF-Blob",
/** Used by the Vite plugin to pass through the original `sec-fetch-mode` header */
SEC_FETCH_MODE: "MF-Sec-Fetch-Mode",
// API Proxy
OP_SECRET: "MF-Op-Secret",
OP: "MF-Op",
OP_TARGET: "MF-Op-Target",
OP_KEY: "MF-Op-Key",
OP_SYNC: "MF-Op-Sync",
OP_STRINGIFIED_SIZE: "MF-Op-Stringified-Size",
OP_RESULT_TYPE: "MF-Op-Result-Type",
OP_ORIGINAL_URL: "MF-Op-Original-URL"
}, CoreBindings = {
SERVICE_LOOPBACK: "MINIFLARE_LOOPBACK",
SERVICE_USER_ROUTE_PREFIX: "MINIFLARE_USER_ROUTE_",
SERVICE_USER_FALLBACK: "MINIFLARE_USER_FALLBACK",
TEXT_CUSTOM_SERVICE: "MINIFLARE_CUSTOM_SERVICE",
// Backs the Images binding (`env.IMAGES`) — see imagesLocalFetcher.
IMAGES_BINDING_SERVICE: "MINIFLARE_IMAGES_BINDING_SERVICE",
// Backs `fetch(url, { cf: { image } })` transforms — see cfImageLocalFetcher.
IMAGES_FETCH_SERVICE: "MINIFLARE_IMAGES_FETCH_SERVICE",
TEXT_UPSTREAM_URL: "MINIFLARE_UPSTREAM_URL",
JSON_CF_BLOB: "CF_BLOB",
JSON_ROUTES: "MINIFLARE_ROUTES",
JSON_LOG_LEVEL: "MINIFLARE_LOG_LEVEL",
DATA_LIVE_RELOAD_SCRIPT: "MINIFLARE_LIVE_RELOAD_SCRIPT",
DURABLE_OBJECT_NAMESPACE_PROXY: "MINIFLARE_PROXY",
DATA_PROXY_SECRET: "MINIFLARE_PROXY_SECRET",
DATA_PROXY_SHARED_SECRET: "MINIFLARE_PROXY_SHARED_SECRET",
TRIGGER_HANDLERS: "TRIGGER_HANDLERS",
LOG_REQUESTS: "LOG_REQUESTS",
STRIP_DISABLE_PRETTY_ERROR: "STRIP_DISABLE_PRETTY_ERROR",
SERVICE_LOCAL_EXPLORER: "MINIFLARE_LOCAL_EXPLORER",
EXPLORER_DISK: "MINIFLARE_EXPLORER_DISK",
JSON_LOCAL_EXPLORER_BINDING_MAP: "LOCAL_EXPLORER_BINDING_MAP",
JSON_LOCAL_EXPLORER_WORKER_NAMES: "LOCAL_EXPLORER_WORKER_NAMES",
JSON_EXPLORER_WORKER_OPTS: "MINIFLARE_EXPLORER_WORKER_OPTS",
SERVICE_CACHE: "MINIFLARE_CACHE",
SERVICE_DEV_REGISTRY_PROXY: "MINIFLARE_DEV_REGISTRY_PROXY",
JSON_TELEMETRY_CONFIG: "MINIFLARE_TELEMETRY_CONFIG",
DEV_REGISTRY_DEBUG_PORT: "DEV_REGISTRY_DEBUG_PORT",
SERVICE_STREAM: "MINIFLARE_STREAM",
SERVICE_IMAGES_DELIVERY: "MINIFLARE_IMAGES_DELIVERY",
SERVICE_R2_PUBLIC: "MINIFLARE_R2_PUBLIC"
};
// src/workers/core/outbound.worker.ts
var RESIZING_VIA_TOKEN = "image-resizing", warnedLowFidelity = !1, outbound_worker_default = {
async fetch(request, env) {
let image = request.cf?.image;
if (!(image != null && typeof image == "object" && Object.keys(image).length > 0)) {
let headers = strippedHeaders(request, env);
return headers ? fetch(request, { headers }) : fetch(request);
}
return resizeImage(request, env, image);
}
};
function strippedHeaders(request, env) {
if (!env.STRIP_CF_CONNECTING_IP)
return;
let headers = new Headers(request.headers);
return headers.delete("CF-Connecting-IP"), headers.set("CF-Worker", env.CF_WORKER_ZONE), headers;
}
async function resizeImage(request, env, image) {
let headers = strippedHeaders(request, env) ?? new Headers(request.headers), via = headers.get("via");
headers.set(
"via",
via ? `${via}, ${RESIZING_VIA_TOKEN}` : RESIZING_VIA_TOKEN
);
let originResponse = await fetch(request, { headers });
if (!originResponse.ok)
return originResponse;
let source = await originResponse.arrayBuffer(), form = new FormData();
form.append("image", new Blob([source])), form.append("options", JSON.stringify(image));
let transformRequest = new Request("http://localhost/cf-image", {
method: "POST",
body: form
});
transformRequest.headers.set(
CoreHeaders.CUSTOM_FETCH_SERVICE,
CoreBindings.IMAGES_FETCH_SERVICE
);
let transformed = await env[CoreBindings.SERVICE_LOOPBACK].fetch(transformRequest);
if (!transformed.ok) {
let headers2 = new Headers(originResponse.headers);
return headers2.delete("content-encoding"), headers2.delete("content-length"), new Response(source, {
status: originResponse.status,
headers: headers2
});
}
return await warnLowFidelityOnce(env), transformed;
}
async function warnLowFidelityOnce(env) {
warnedLowFidelity || (warnedLowFidelity = !0, await env[CoreBindings.SERVICE_LOOPBACK].fetch("http://localhost/core/log", {
method: "POST",
headers: { [SharedHeaders.LOG_LEVEL]: LogLevel.WARN.toString() },
body: "Local cf.image transforms are a low-fidelity mock; only resize, rotate and format conversion are applied. Deploy to preview the full transformation."
}));
}
export {
outbound_worker_default as default
};
//# sourceMappingURL=outbound.worker.js.map
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var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __decorateClass = (decorators, target, key, kind) => {
for (var result = kind > 1 ? void 0 : kind ? __getOwnPropDesc(target, key) : target, i = decorators.length - 1, decorator; i >= 0; i--)
(decorator = decorators[i]) && (result = (kind ? decorator(target, key, result) : decorator(result)) || result);
return kind && result && __defProp(target, key, result), result;
};
// src/workers/d1/database.worker.ts
import assert from "node:assert";
import {
get,
HttpError,
MiniflareDurableObject,
POST,
viewToBuffer
} from "miniflare:shared";
import { z } from "miniflare:zod";
// src/workers/d1/dumpSql.ts
function* dumpSql(db, options, stats) {
yield "PRAGMA defer_foreign_keys=TRUE;";
let filterTables = new Set(options?.tables || []), { noData, noSchema } = options || {}, tables_cursor = db.prepare(`
SELECT name, type, sql
FROM sqlite_schema AS o
WHERE (true) AND type=='table'
AND sql NOT NULL
ORDER BY tbl_name='sqlite_sequence', rowid;
`)(), tables = Array.from(tables_cursor);
stats && (stats.rows_read += tables_cursor.rowsRead, stats.rows_written += tables_cursor.rowsWritten);
for (let { name: table, sql } of tables) {
if (filterTables.size > 0 && !filterTables.has(table)) continue;
if (table === "sqlite_sequence")
noSchema || (yield "DELETE FROM sqlite_sequence;");
else if (table.match(/^sqlite_stat./))
noSchema || (yield "ANALYZE sqlite_schema;");
else {
if (sql.startsWith("CREATE VIRTUAL TABLE"))
throw new Error(
"D1 Export error: cannot export databases with Virtual Tables (fts5)"
);
if (table.startsWith("_cf_") || table.startsWith("sqlite_"))
continue;
sql.match(/CREATE TABLE ['"].*/) ? noSchema || (yield `CREATE TABLE IF NOT EXISTS ${sql.substring(13)};`) : noSchema || (yield `${sql};`);
}
if (noData) continue;
let columns_cursor = db.exec(`PRAGMA table_info=${escapeId(table)}`), columns = Array.from(columns_cursor);
stats && (stats.rows_read += columns_cursor.rowsRead, stats.rows_written += columns_cursor.rowsWritten);
let select = `SELECT ${columns.map((c) => escapeId(c.name)).join(", ")} FROM ${escapeId(table)};`, rows_cursor = db.exec(select), columnNames = columns.map((c) => escapeId(c.name)).join(","), columnNamesOverhead = 3 + columnNames.length;
for (let dataRow of rows_cursor.raw()) {
let formattedCells = dataRow.map((cell, i) => {
let colType = columns[i].type, cellType = typeof cell;
return cell === null ? "NULL" : cellType === "number" ? cell : cellType === "string" ? outputQuotedEscapedString(cell) : cell instanceof ArrayBuffer ? `X'${Array.prototype.map.call(new Uint8Array(cell), (b) => b.toString(16).padStart(2, "0")).join("")}'` : (console.error({
message: "dumpSql: unexpected cell type",
colType,
cellType,
cell,
column: columns[i]
}), "ERROR");
}), insertStmt = `INSERT INTO ${escapeId(table)} (${columnNames}) VALUES(${formattedCells.join(",")});`;
if (stats) {
let currentSize = insertStmt.length, sizeWithoutColumnNames = currentSize - columnNamesOverhead, LIMIT = 100 * 1024;
stats.total_inserts++, sizeWithoutColumnNames > LIMIT && stats.inserts_already_over_100kb++, currentSize > LIMIT && stats.inserts_over_100kb_with_column_names++, sizeWithoutColumnNames > stats.max_insert_size && (stats.max_insert_size = sizeWithoutColumnNames), currentSize > stats.max_insert_size_with_column_names && (stats.max_insert_size_with_column_names = currentSize);
}
yield insertStmt;
}
stats && (stats.rows_read += rows_cursor.rowsRead, stats.rows_written += rows_cursor.rowsWritten);
}
if (!noSchema) {
let rest_of_schema = db.exec(
[
"SELECT name, sql",
"FROM sqlite_schema AS o",
"WHERE (true) AND sql NOT NULL",
" AND type IN ('index', 'trigger', 'view')",
// 'DESC' appears in the code linked above but the observed behaviour of SQLite appears otherwise
"ORDER BY type COLLATE NOCASE"
].join(" ")
);
for (let { name, sql } of rest_of_schema)
filterTables.size > 0 && !filterTables.has(name) || (yield `${sql};`);
stats && (stats.rows_read += rest_of_schema.rowsRead, stats.rows_written += rest_of_schema.rowsWritten);
}
}
function outputQuotedEscapedString(cell) {
let lfs = !1, crs = !1, quotesOrNewlinesRegexp = /'|(\n)|(\r)/g, escapeQuotesDetectingNewlines = (_, lf, cr) => lf ? (lfs = !0, "\\n") : cr ? (crs = !0, "\\r") : "''", output_string = `'${cell.replace(
quotesOrNewlinesRegexp,
escapeQuotesDetectingNewlines
)}'`;
return crs && (output_string = `replace(${output_string},'\\r',char(13))`), lfs && (output_string = `replace(${output_string},'\\n',char(10))`), output_string;
}
function escapeId(id) {
return `"${id.replace(/"/g, '""')}"`;
}
// src/workers/d1/database.worker.ts
var D1ValueSchema = z.union([
z.number(),
z.string(),
z.null(),
z.number().array()
]), D1QuerySchema = z.object({
sql: z.string(),
params: z.array(D1ValueSchema).nullable().optional()
}), D1QueriesSchema = z.union([D1QuerySchema, z.array(D1QuerySchema)]), D1_EXPORT_PRAGMA = "PRAGMA miniflare_d1_export(?,?,?);", D1ResultsFormatSchema = z.enum(["ARRAY_OF_OBJECTS", "ROWS_AND_COLUMNS", "NONE"]).catch("ARRAY_OF_OBJECTS"), served_by = "miniflare.db", D1_SESSION_COMMIT_TOKEN_HTTP_HEADER = "x-cf-d1-session-commit-token", D1Error = class extends HttpError {
constructor(cause) {
super(500);
this.cause = cause;
}
cause;
toResponse() {
let response = { success: !1, error: typeof this.cause == "object" && this.cause !== null && "message" in this.cause && typeof this.cause.message == "string" ? this.cause.message : String(this.cause) };
return Response.json(response);
}
};
function convertParams(params) {
return (params ?? []).map(
(param) => (
// If `param` is an array, assume it's a byte array
Array.isArray(param) ? viewToBuffer(new Uint8Array(param)) : param
)
);
}
function convertRows(rows) {
return rows.map(
(row) => row.map((value) => {
let normalised;
return value instanceof ArrayBuffer ? normalised = Array.from(new Uint8Array(value)) : normalised = value, normalised;
})
);
}
function rowsToObjects(columns, rows) {
return rows.map(
(row) => Object.fromEntries(columns.map((name, i) => [name, row[i]]))
);
}
function sqlStmts(db) {
return {
getChanges: db.prepare(
"SELECT total_changes() AS totalChanges, last_insert_rowid() AS lastRowId"
)
};
}
var D1DatabaseObject = class extends MiniflareDurableObject {
#stmts;
constructor(state, env) {
super(state, env), this.#stmts = sqlStmts(this.db);
}
#changes() {
let changes = get(this.#stmts.getChanges());
return assert(changes !== void 0), changes;
}
#query = (format, query) => {
let beforeTime = performance.now(), beforeSize = this.state.storage.sql.databaseSize, beforeChanges = this.#changes(), params = convertParams(query.params ?? []), cursor = this.db.prepare(query.sql)(...params), columns = cursor.columnNames, rows = convertRows(Array.from(cursor.raw())), results;
format === "ROWS_AND_COLUMNS" ? results = { columns, rows } : results = rowsToObjects(columns, rows);
let afterTime = performance.now(), afterSize = this.state.storage.sql.databaseSize, afterChanges = this.#changes(), duration = afterTime - beforeTime, changes = afterChanges.totalChanges - beforeChanges.totalChanges, hasChanges = changes !== 0, lastRowChanged = afterChanges.lastRowId !== beforeChanges.lastRowId, changed = hasChanges || lastRowChanged || afterSize !== beforeSize;
return {
success: !0,
results,
meta: {
served_by,
duration,
changes,
last_row_id: afterChanges.lastRowId,
changed_db: changed,
size_after: afterSize,
rows_read: cursor.rowsRead,
rows_written: cursor.rowsWritten
}
};
};
#txn(queries, format) {
if (queries = queries.filter(
(query) => query.sql.replace(/^\s+--.*/gm, "").trim().length > 0
), queries.length === 0) {
let error = new Error("No SQL statements detected.");
throw new D1Error(error);
}
try {
return this.state.storage.transactionSync(
() => queries.map(this.#query.bind(this, format))
);
} catch (e) {
throw new D1Error(e);
}
}
queryExecute = async (req) => {
let queries = D1QueriesSchema.parse(await req.json());
if (Array.isArray(queries) || (queries = [queries]), this.#isExportPragma(queries))
return this.#doExportData(queries);
let { searchParams } = new URL(req.url), resultsFormat = D1ResultsFormatSchema.parse(
searchParams.get("resultsFormat")
);
return Response.json(this.#txn(queries, resultsFormat), {
headers: {
[D1_SESSION_COMMIT_TOKEN_HTTP_HEADER]: await this.state.storage.getCurrentBookmark()
}
});
};
#isExportPragma(queries) {
return queries.length === 1 && queries[0].sql === D1_EXPORT_PRAGMA && (queries[0].params?.length || 0) >= 2;
}
#doExportData(queries) {
let [noSchema, noData, ...tables] = queries[0].params, options = {
noSchema: !!noSchema,
noData: !!noData,
tables
};
return Response.json({
success: !0,
results: [Array.from(dumpSql(this.state.storage.sql, options))],
meta: {}
});
}
};
__decorateClass([
POST("/query"),
POST("/execute")
], D1DatabaseObject.prototype, "queryExecute", 2);
export {
D1DatabaseObject,
D1Error
};
//# sourceMappingURL=database.worker.js.map
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// src/workers/dispatch-namespace/dispatch-namespace.worker.ts
function dispatch_namespace_worker_default(env) {
return {
get(name, args, options) {
return env.proxyClient.get(name, args, options);
}
};
}
export {
dispatch_namespace_worker_default as default
};
//# sourceMappingURL=dispatch-namespace.worker.js.map
@@ -0,0 +1,7 @@
{
"version": 3,
"sources": ["../../../../src/workers/dispatch-namespace/dispatch-namespace.worker.ts"],
"sourcesContent": ["/**\n * Wrapped binding extension for dispatch namespaces.\n *\n * Delegates to {@link DispatchNamespaceProxy} via a service binding.\n */\n\ninterface Env {\n\tproxyClient: DispatchNamespace;\n}\n\nexport default function (env: Env): DispatchNamespace {\n\treturn {\n\t\tget(\n\t\t\tname: string,\n\t\t\targs?: { [key: string]: unknown },\n\t\t\toptions?: DynamicDispatchOptions\n\t\t): Fetcher {\n\t\t\treturn env.proxyClient.get(name, args, options);\n\t\t},\n\t} satisfies DispatchNamespace;\n}\n"],
"mappings": ";AAUe,SAAR,kCAAkB,KAA6B;AACrD,SAAO;AAAA,IACN,IACC,MACA,MACA,SACU;AACV,aAAO,IAAI,YAAY,IAAI,MAAM,MAAM,OAAO;AAAA,IAC/C;AAAA,EACD;AACD;",
"names": []
}
+26
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// src/workers/email/constants.ts
var RAW_EMAIL = "EmailMessage::raw";
// src/workers/email/email.worker.ts
var EmailMessage = class {
constructor(from, to, raw) {
this.from = from;
this.to = to;
this.raw = raw;
return {
from,
to,
// @ts-expect-error We need to be able to access the raw contents of an EmailMessage in entry.worker.ts
[RAW_EMAIL]: raw
};
}
from;
to;
raw;
}, email_worker_default = {
EmailMessage
};
export {
email_worker_default as default
};
//# sourceMappingURL=email.worker.js.map
+7
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@@ -0,0 +1,7 @@
{
"version": 3,
"sources": ["../../../../src/workers/email/constants.ts", "../../../../src/workers/email/email.worker.ts"],
"sourcesContent": ["export const RAW_EMAIL = \"EmailMessage::raw\";\n", "import { RAW_EMAIL } from \"./constants\";\nimport type { EmailMessage as EmailMessageType } from \"@cloudflare/workers-types/experimental\";\n\n// This type is the _actual_ type of an EmailMessage when running locally, which is different to production\n// Refer to the below constructor for more details about why\nexport type MiniflareEmailMessage = {\n\tfrom: string;\n\tto: string;\n\t[RAW_EMAIL]: ReadableStream<Uint8Array>;\n};\n\nclass EmailMessage implements EmailMessageType {\n\tpublic constructor(\n\t\tpublic readonly from: string,\n\t\tpublic readonly to: string,\n\t\tprivate raw: ReadableStream | string\n\t) {\n\t\t// @ts-expect-error This is a bit of hack! We need:\n\t\t// - EmailMessage to be constructable (to match production)\n\t\t// - EmailMessage to be able to be passed across JSRPC (to support e.g. message.reply(EmailMessage))\n\t\t// - EmailMessage properties to be synchronously available (to match production). This rules out `RpcStub`\n\t\t// The below is the only solution I could some up with that satisfies these constraints, but if the constraints change\n\t\t// this can and should be re-evaluated\n\t\treturn {\n\t\t\tfrom,\n\t\t\tto,\n\t\t\t// @ts-expect-error We need to be able to access the raw contents of an EmailMessage in entry.worker.ts\n\t\t\t[RAW_EMAIL]: raw,\n\t\t};\n\t}\n}\nexport default {\n\tEmailMessage,\n};\n"],
"mappings": ";AAAO,IAAM,YAAY;;;ACWzB,IAAM,eAAN,MAA+C;AAAA,EACvC,YACU,MACA,IACR,KACP;AAHe;AACA;AACR;AAQR,WAAO;AAAA,MACN;AAAA,MACA;AAAA;AAAA,MAEA,CAAC,SAAS,GAAG;AAAA,IACd;AAAA,EACD;AAAA,EAhBiB;AAAA,EACA;AAAA,EACR;AAeV,GACO,uBAAQ;AAAA,EACd;AACD;",
"names": []
}
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// src/workers/hello-world/binding.worker.ts
import { WorkerEntrypoint } from "cloudflare:workers";
var HelloWorldBinding = class extends WorkerEntrypoint {
async get() {
let objectNamespace = this.env.store, namespaceId = JSON.stringify(this.env.config), id = objectNamespace.idFromName(namespaceId);
return {
value: await objectNamespace.get(id).get() ?? "",
ms: this.env.config.enable_timer ? 100 : void 0
};
}
async set(value) {
let objectNamespace = this.env.store, namespaceId = JSON.stringify(this.env.config), id = objectNamespace.idFromName(namespaceId);
await objectNamespace.get(id).set(value);
}
};
export {
HelloWorldBinding
};
//# sourceMappingURL=binding.worker.js.map
@@ -0,0 +1,7 @@
{
"version": 3,
"sources": ["../../../../src/workers/hello-world/binding.worker.ts"],
"sourcesContent": ["// Emulated Hello World Binding\n\nimport { WorkerEntrypoint } from \"cloudflare:workers\";\nimport type { HelloWorldObject } from \"./object.worker\";\n\n// ENV configuration\ninterface Env {\n\tconfig: { enable_timer?: boolean };\n\tstore: DurableObjectNamespace<HelloWorldObject>;\n}\n\nexport class HelloWorldBinding extends WorkerEntrypoint<Env> {\n\tasync get(): Promise<{ value: string; ms?: number }> {\n\t\tconst objectNamespace = this.env.store;\n\t\tconst namespaceId = JSON.stringify(this.env.config);\n\t\tconst id = objectNamespace.idFromName(namespaceId);\n\t\tconst stub = objectNamespace.get(id);\n\t\tconst value = await stub.get();\n\t\treturn {\n\t\t\tvalue: value ?? \"\",\n\t\t\tms: this.env.config.enable_timer ? 100 : undefined,\n\t\t};\n\t}\n\n\tasync set(value: string): Promise<void> {\n\t\tconst objectNamespace = this.env.store;\n\t\tconst namespaceId = JSON.stringify(this.env.config);\n\t\tconst id = objectNamespace.idFromName(namespaceId);\n\t\tconst stub = objectNamespace.get(id);\n\t\tawait stub.set(value);\n\t}\n}\n"],
"mappings": ";AAEA,SAAS,wBAAwB;AAS1B,IAAM,oBAAN,cAAgC,iBAAsB;AAAA,EAC5D,MAAM,MAA+C;AACpD,QAAM,kBAAkB,KAAK,IAAI,OAC3B,cAAc,KAAK,UAAU,KAAK,IAAI,MAAM,GAC5C,KAAK,gBAAgB,WAAW,WAAW;AAGjD,WAAO;AAAA,MACN,OAFa,MADD,gBAAgB,IAAI,EAAE,EACV,IAAI,KAEZ;AAAA,MAChB,IAAI,KAAK,IAAI,OAAO,eAAe,MAAM;AAAA,IAC1C;AAAA,EACD;AAAA,EAEA,MAAM,IAAI,OAA8B;AACvC,QAAM,kBAAkB,KAAK,IAAI,OAC3B,cAAc,KAAK,UAAU,KAAK,IAAI,MAAM,GAC5C,KAAK,gBAAgB,WAAW,WAAW;AAEjD,UADa,gBAAgB,IAAI,EAAE,EACxB,IAAI,KAAK;AAAA,EACrB;AACD;",
"names": []
}
+14
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@@ -0,0 +1,14 @@
// src/workers/hello-world/object.worker.ts
import { DurableObject } from "cloudflare:workers";
var HelloWorldObject = class extends DurableObject {
async get() {
return await this.ctx.storage.get("value");
}
async set(value) {
await this.ctx.storage.put("value", value);
}
};
export {
HelloWorldObject
};
//# sourceMappingURL=object.worker.js.map
@@ -0,0 +1,7 @@
{
"version": 3,
"sources": ["../../../../src/workers/hello-world/object.worker.ts"],
"sourcesContent": ["import { DurableObject } from \"cloudflare:workers\";\n\nexport class HelloWorldObject extends DurableObject {\n\tasync get() {\n\t\treturn await this.ctx.storage.get<string>(\"value\");\n\t}\n\n\tasync set(value: string) {\n\t\tawait this.ctx.storage.put<string>(\"value\", value);\n\t}\n}\n"],
"mappings": ";AAAA,SAAS,qBAAqB;AAEvB,IAAM,mBAAN,cAA+B,cAAc;AAAA,EACnD,MAAM,MAAM;AACX,WAAO,MAAM,KAAK,IAAI,QAAQ,IAAY,OAAO;AAAA,EAClD;AAAA,EAEA,MAAM,IAAI,OAAe;AACxB,UAAM,KAAK,IAAI,QAAQ,IAAY,SAAS,KAAK;AAAA,EAClD;AACD;",
"names": []
}
+254
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@@ -0,0 +1,254 @@
// src/workers/images/images.worker.ts
import { RpcTarget, WorkerEntrypoint } from "cloudflare:workers";
import { getPublicUrl } from "miniflare:shared";
// src/workers/core/constants.ts
var CorePaths = {
/** Magic proxy used by getPlatformProxy */
PLATFORM_PROXY: "/cdn-cgi/platform-proxy",
/** Trigger scheduled event handlers */
SCHEDULED: "/cdn-cgi/handler/scheduled",
/** Trigger email event handlers */
EMAIL: "/cdn-cgi/handler/email",
/** Handler path prefix for validation */
HANDLER_PREFIX: "/cdn-cgi/handler/",
/** Live reload WebSocket endpoint */
LIVE_RELOAD: "/cdn-cgi/mf/reload",
/** Local explorer UI and API */
EXPLORER: "/cdn-cgi/explorer",
/** Legacy way to trigger scheduled event handlers */
LEGACY_SCHEDULED: "/cdn-cgi/mf/scheduled",
/** Stream video serving endpoint */
STREAM_VIDEO: "/cdn-cgi/mf/stream",
/** Local image delivery endpoint for serving hosted images */
IMAGE_DELIVERY: "/cdn-cgi/mf/imagedelivery",
/** Public R2 bucket object serving endpoint */
R2_PUBLIC: "/cdn-cgi/local/r2/public"
}, CoreHeaders = {
CUSTOM_FETCH_SERVICE: "MF-Custom-Fetch-Service",
CUSTOM_NODE_SERVICE: "MF-Custom-Node-Service",
ORIGINAL_URL: "MF-Original-URL",
/**
* Stores the original hostname when using the `upstream` option.
* When requests are proxied to an upstream, the `Host` header is rewritten
* to match the upstream. This header preserves the original hostname
* so Workers can access it if needed.
*/
ORIGINAL_HOSTNAME: "MF-Original-Hostname",
PROXY_SHARED_SECRET: "MF-Proxy-Shared-Secret",
DISABLE_PRETTY_ERROR: "MF-Disable-Pretty-Error",
ERROR_STACK: "MF-Experimental-Error-Stack",
ROUTE_OVERRIDE: "MF-Route-Override",
CF_BLOB: "MF-CF-Blob",
/** Used by the Vite plugin to pass through the original `sec-fetch-mode` header */
SEC_FETCH_MODE: "MF-Sec-Fetch-Mode",
// API Proxy
OP_SECRET: "MF-Op-Secret",
OP: "MF-Op",
OP_TARGET: "MF-Op-Target",
OP_KEY: "MF-Op-Key",
OP_SYNC: "MF-Op-Sync",
OP_STRINGIFIED_SIZE: "MF-Op-Stringified-Size",
OP_RESULT_TYPE: "MF-Op-Result-Type",
OP_ORIGINAL_URL: "MF-Op-Original-URL"
}, CoreBindings = {
SERVICE_LOOPBACK: "MINIFLARE_LOOPBACK",
SERVICE_USER_ROUTE_PREFIX: "MINIFLARE_USER_ROUTE_",
SERVICE_USER_FALLBACK: "MINIFLARE_USER_FALLBACK",
TEXT_CUSTOM_SERVICE: "MINIFLARE_CUSTOM_SERVICE",
// Backs the Images binding (`env.IMAGES`) — see imagesLocalFetcher.
IMAGES_BINDING_SERVICE: "MINIFLARE_IMAGES_BINDING_SERVICE",
// Backs `fetch(url, { cf: { image } })` transforms — see cfImageLocalFetcher.
IMAGES_FETCH_SERVICE: "MINIFLARE_IMAGES_FETCH_SERVICE",
TEXT_UPSTREAM_URL: "MINIFLARE_UPSTREAM_URL",
JSON_CF_BLOB: "CF_BLOB",
JSON_ROUTES: "MINIFLARE_ROUTES",
JSON_LOG_LEVEL: "MINIFLARE_LOG_LEVEL",
DATA_LIVE_RELOAD_SCRIPT: "MINIFLARE_LIVE_RELOAD_SCRIPT",
DURABLE_OBJECT_NAMESPACE_PROXY: "MINIFLARE_PROXY",
DATA_PROXY_SECRET: "MINIFLARE_PROXY_SECRET",
DATA_PROXY_SHARED_SECRET: "MINIFLARE_PROXY_SHARED_SECRET",
TRIGGER_HANDLERS: "TRIGGER_HANDLERS",
LOG_REQUESTS: "LOG_REQUESTS",
STRIP_DISABLE_PRETTY_ERROR: "STRIP_DISABLE_PRETTY_ERROR",
SERVICE_LOCAL_EXPLORER: "MINIFLARE_LOCAL_EXPLORER",
EXPLORER_DISK: "MINIFLARE_EXPLORER_DISK",
JSON_LOCAL_EXPLORER_BINDING_MAP: "LOCAL_EXPLORER_BINDING_MAP",
JSON_LOCAL_EXPLORER_WORKER_NAMES: "LOCAL_EXPLORER_WORKER_NAMES",
JSON_EXPLORER_WORKER_OPTS: "MINIFLARE_EXPLORER_WORKER_OPTS",
SERVICE_CACHE: "MINIFLARE_CACHE",
SERVICE_DEV_REGISTRY_PROXY: "MINIFLARE_DEV_REGISTRY_PROXY",
JSON_TELEMETRY_CONFIG: "MINIFLARE_TELEMETRY_CONFIG",
DEV_REGISTRY_DEBUG_PORT: "DEV_REGISTRY_DEBUG_PORT",
SERVICE_STREAM: "MINIFLARE_STREAM",
SERVICE_IMAGES_DELIVERY: "MINIFLARE_IMAGES_DELIVERY",
SERVICE_R2_PUBLIC: "MINIFLARE_R2_PUBLIC"
};
// src/workers/images/images.worker.ts
function buildVariantUrl(publicUrl, imageId, variant) {
return new URL(
`${CorePaths.IMAGE_DELIVERY}/${imageId}/${variant}`,
publicUrl
).toString();
}
async function withResolvedVariants(metadata, env) {
let publicUrl = await getPublicUrl(env[CoreBindings.SERVICE_LOOPBACK]);
return {
...metadata,
variants: metadata.variants.map(
(variant) => buildVariantUrl(publicUrl, metadata.id, variant)
)
};
}
function base64DecodeArrayBuffer(buffer) {
let base64String = new TextDecoder().decode(buffer), binaryString = atob(base64String.trim()), bytes = new Uint8Array(binaryString.length);
for (let i = 0; i < binaryString.length; i++)
bytes[i] = binaryString.charCodeAt(i);
return bytes.buffer;
}
async function base64DecodeStream(stream) {
let buffer = await new Response(stream).arrayBuffer();
return base64DecodeArrayBuffer(buffer);
}
var ImageHandleImpl = class extends RpcTarget {
#imageId;
#env;
constructor(imageId, env) {
super(), this.#imageId = imageId, this.#env = env;
}
async details() {
let result = await this.#env.IMAGES_STORE.getWithMetadata(
this.#imageId,
"arrayBuffer"
);
return result.metadata === null ? null : withResolvedVariants(result.metadata, this.#env);
}
async bytes() {
let data = await this.#env.IMAGES_STORE.get(this.#imageId, "arrayBuffer");
return data === null ? null : new Blob([data]).stream();
}
async update(options) {
let existing = await this.#env.IMAGES_STORE.getWithMetadata(
this.#imageId,
"arrayBuffer"
);
if (existing.value === null || existing.metadata === null)
throw new Error(`Image not found: ${this.#imageId}`);
let updatedMetadata = {
...existing.metadata,
requireSignedURLs: options.requireSignedURLs ?? existing.metadata.requireSignedURLs,
meta: options.metadata ?? existing.metadata.meta,
creator: options.creator ?? existing.metadata.creator
};
return await this.#env.IMAGES_STORE.put(this.#imageId, existing.value, {
metadata: updatedMetadata
}), withResolvedVariants(updatedMetadata, this.#env);
}
async delete() {
return await this.#env.IMAGES_STORE.get(
this.#imageId,
"arrayBuffer"
) === null ? !1 : (await this.#env.IMAGES_STORE.delete(this.#imageId), !0);
}
}, ImagesService = class extends WorkerEntrypoint {
image(imageId) {
return new ImageHandleImpl(imageId, this.env);
}
async upload(image, options) {
let imageData = image;
options?.encoding === "base64" && (imageData = image instanceof ArrayBuffer ? base64DecodeArrayBuffer(image) : await base64DecodeStream(image));
let buffer = imageData instanceof ArrayBuffer ? imageData : await new Response(imageData).arrayBuffer(), id = options?.id ?? crypto.randomUUID(), metadata = {
id,
filename: options?.filename ?? "uploaded.jpg",
uploaded: (/* @__PURE__ */ new Date()).toISOString(),
requireSignedURLs: options?.requireSignedURLs ?? !1,
meta: options?.metadata ?? {},
variants: ["public"],
draft: !1,
creator: options?.creator
};
return await this.env.IMAGES_STORE.put(id, buffer, { metadata }), withResolvedVariants(metadata, this.env);
}
async list(options) {
let limit = options?.limit ?? 50, allImages = [], kvCursor;
do {
let kvResult = await this.env.IMAGES_STORE.list({
cursor: kvCursor
});
for (let key of kvResult.keys)
key.metadata && allImages.push(key.metadata);
kvCursor = kvResult.list_complete ? void 0 : kvResult.cursor;
} while (kvCursor);
options?.creator && allImages.splice(
0,
allImages.length,
...allImages.filter((i) => i.creator === options.creator)
), allImages.sort((a, b) => {
let dateA = a.uploaded ?? "", dateB = b.uploaded ?? "", cmp = dateA.localeCompare(dateB) || a.id.localeCompare(b.id);
return options?.sortOrder === "desc" ? -cmp : cmp;
});
let startIndex = 0;
if (options?.cursor) {
let cursorIndex = allImages.findIndex((i) => i.id === options.cursor);
cursorIndex >= 0 && (startIndex = cursorIndex + 1);
}
let page = allImages.slice(startIndex, startIndex + limit), hasMore = startIndex + limit < allImages.length, lastImage = page[page.length - 1], publicUrl = await getPublicUrl(
this.env[CoreBindings.SERVICE_LOOPBACK]
);
return {
images: page.map((metadata) => ({
...metadata,
variants: metadata.variants.map(
(variant) => buildVariantUrl(publicUrl, metadata.id, variant)
)
})),
cursor: hasMore && lastImage ? lastImage.id : void 0,
listComplete: !hasMore
};
}
async #detectContentType(data) {
let formData = new FormData();
formData.append("image", new Blob([data]));
let infoRequest = new Request("http://placeholder/info", {
method: "POST",
body: formData
});
infoRequest.headers.set(
CoreHeaders.CUSTOM_FETCH_SERVICE,
CoreBindings.IMAGES_BINDING_SERVICE
);
let response = await this.env[CoreBindings.SERVICE_LOOPBACK].fetch(infoRequest);
if (response.ok) {
let info = await response.json();
if (info.format)
return info.format;
}
return "application/octet-stream";
}
// Handle HTTP requests for image delivery and transform operations
async fetch(request) {
let url = new URL(request.url);
if (url.pathname.startsWith(`${CorePaths.IMAGE_DELIVERY}/`)) {
let imageId = url.pathname.slice(CorePaths.IMAGE_DELIVERY.length + 1).split("/")[0];
if (!imageId)
return new Response("Missing image ID", { status: 400 });
let data = await this.env.IMAGES_STORE.get(imageId, "arrayBuffer");
if (data === null)
return new Response("Image not found", { status: 404 });
let contentType = await this.#detectContentType(data);
return new Response(data, {
headers: { "Content-Type": contentType }
});
}
let forwardRequest = new Request(request);
return forwardRequest.headers.set(
CoreHeaders.CUSTOM_FETCH_SERVICE,
CoreBindings.IMAGES_BINDING_SERVICE
), forwardRequest.headers.set(CoreHeaders.ORIGINAL_URL, request.url), this.env[CoreBindings.SERVICE_LOOPBACK].fetch(forwardRequest);
}
};
export {
ImagesService as default
};
//# sourceMappingURL=images.worker.js.map

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