2020-08-09 07:27:39 -04:00
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# deno web
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2024-06-17 18:07:48 -04:00
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**Implements timers, as well as the following APIs:**
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2021-01-19 15:58:57 -05:00
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2024-06-17 18:07:48 -04:00
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- Event
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- TextEncoder
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- TextDecoder
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- File (Spec: https://w3c.github.io/FileAPI)
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_Note: Testing for text encoding is done via WPT in cli/._
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## Usage Example
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From javascript, include the extension's source:
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```javascript
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import * as infra from "ext:deno_web/00_infra.js";
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import * as DOMException from "ext:deno_web/01_dom_exception.js";
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import * as mimesniff from "ext:deno_web/01_mimesniff.js";
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import * as event from "ext:deno_web/02_event.js";
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import * as structuredClone from "ext:deno_web/02_structured_clone.js";
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import * as timers from "ext:deno_web/02_timers.js";
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import * as abortSignal from "ext:deno_web/03_abort_signal.js";
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import * as globalInterfaces from "ext:deno_web/04_global_interfaces.js";
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import * as base64 from "ext:deno_web/05_base64.js";
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import * as streams from "ext:deno_web/06_streams.js";
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import * as encoding from "ext:deno_web/08_text_encoding.js";
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import * as file from "ext:deno_web/09_file.js";
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import * as fileReader from "ext:deno_web/10_filereader.js";
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import * as location from "ext:deno_web/12_location.js";
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import * as messagePort from "ext:deno_web/13_message_port.js";
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import * as compression from "ext:deno_web/14_compression.js";
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import * as performance from "ext:deno_web/15_performance.js";
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import * as imageData from "ext:deno_web/16_image_data.js";
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```
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Then assign the properties below to the global scope like this example:
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```javascript
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Object.defineProperty(globalThis, "AbortController", {
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value: abortSignal.AbortController,
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enumerable: false,
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configurable: true,
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writable: true,
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});
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```
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| Name | Value | enumerable | configurable | writeable |
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| -------------------------------- | ---------------------------------------- | ---------- | ------------ | --------- |
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| AbortController | abortSignal.AbortController | false | true | true |
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| AbortSignal | abortSignal.AbortSignal | false | true | true |
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| Blob | file.Blob | false | true | true |
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| ByteLengthQueuingStrategy | streams.ByteLengthQueuingStrategy | | | |
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| CloseEvent | event.CloseEvent | false | true | true |
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| CompressionStream | compression.CompressionStream | false | true | true |
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| CountQueuingStrategy | streams.CountQueuingStrategy | | | |
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| CustomEvent | event.CustomEvent | false | true | true |
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| DecompressionStream | compression.DecompressionStream | false | true | true |
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| DOMException | DOMException | false | true | true |
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| ErrorEvent | event.ErrorEvent | false | true | true |
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| Event | event.Event | false | true | true |
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| EventTarget | event.EventTarget | false | true | true |
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| File | file.File | false | true | true |
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| FileReader | fileReader.FileReader | false | true | true |
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| MessageEvent | event.MessageEvent | false | true | true |
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| Performance | performance.Performance | false | true | true |
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| PerformanceEntry | performance.PerformanceEntry | false | true | true |
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| PerformanceMark | performance.PerformanceMark | false | true | true |
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| PerformanceMeasure | performance.PerformanceMeasure | false | true | true |
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| PromiseRejectionEvent | event.PromiseRejectionEvent | false | true | true |
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| ProgressEvent | event.ProgressEvent | false | true | true |
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| ReadableStream | streams.ReadableStream | false | true | true |
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| ReadableStreamDefaultReader | streams.ReadableStreamDefaultReader | | | |
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| TextDecoder | encoding.TextDecoder | false | true | true |
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| TextEncoder | encoding.TextEncoder | false | true | true |
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| TextDecoderStream | encoding.TextDecoderStream | false | true | true |
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| TextEncoderStream | encoding.TextEncoderStream | false | true | true |
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| TransformStream | streams.TransformStream | false | true | true |
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| MessageChannel | messagePort.MessageChannel | false | true | true |
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| MessagePort | messagePort.MessagePort | false | true | true |
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| WritableStream | streams.WritableStream | false | true | true |
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| WritableStreamDefaultWriter | streams.WritableStreamDefaultWriter | | | |
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| WritableStreamDefaultController | streams.WritableStreamDefaultController | | | |
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| ReadableByteStreamController | streams.ReadableByteStreamController | | | |
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| ReadableStreamBYOBReader | streams.ReadableStreamBYOBReader | | | |
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| ReadableStreamBYOBRequest | streams.ReadableStreamBYOBRequest | | | |
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| ReadableStreamDefaultController | streams.ReadableStreamDefaultController | | | |
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| TransformStreamDefaultController | streams.TransformStreamDefaultController | | | |
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| ImageData | imageData.ImageData | false | true | true |
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| atob | base64.atob | true | true | true |
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| btoa | base64.btoa | true | true | true |
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| clearInterval | timers.clearInterval | true | true | true |
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| clearTimeout | timers.clearTimeout | true | true | true |
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| performance | performance.performance | true | true | true |
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| reportError | event.reportError | true | true | true |
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| setInterval | timers.setInterval | true | true | true |
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| setTimeout | timers.setTimeout | true | true | true |
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| structuredClone | messagePort.structuredClone | true | true | true |
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Then from rust, provide:
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`deno_web::deno_web::init_ops_and_esm::<Permissions>(Arc<BlobStore>, Option<Url>)`
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in the `extensions` field of your `RuntimeOptions`
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Where:
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- `Permissions` is a struct implementing `deno_web::TimersPermission`
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- `Arc<BlobStore>` can be provided by `Default::default()`
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- `Option<Url>` provides an optional base URL for certain ops
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## Dependencies
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- **deno_webidl**: Provided by the `deno_webidl` crate
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- **deno_console**: Provided by the `deno_console` crate
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- **deno_url**: Provided by the `deno_url` crate
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## Provided ops
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Following ops are provided, which can be accessed through `Deno.ops`:
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- op_base64_decode
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- op_base64_encode
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- op_base64_atob
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- op_base64_btoa
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- op_encoding_normalize_label
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- op_encoding_decode_single
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- op_encoding_decode_utf8
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- op_encoding_new_decoder
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- op_encoding_decode
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- op_encoding_encode_into
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- op_blob_create_part
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- op_blob_slice_part
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- op_blob_read_part
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- op_blob_remove_part
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- op_blob_create_object_url
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- op_blob_revoke_object_url
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- op_blob_from_object_url
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- op_message_port_create_entangled
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- op_message_port_post_message
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- op_message_port_recv_message
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- op_message_port_recv_message_sync
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- op_compression_new
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- op_compression_write
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- op_compression_finish
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- op_now
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- op_defer
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- op_transfer_arraybuffer
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- op_readable_stream_resource_allocate
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- op_readable_stream_resource_allocate_sized
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- op_readable_stream_resource_get_sink
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- op_readable_stream_resource_write_error
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- op_readable_stream_resource_write_buf
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- op_readable_stream_resource_write_sync
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- op_readable_stream_resource_close
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- op_readable_stream_resource_await_close
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