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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| 'use strict' | ||
|
|
||
| const Headers = require('./headers') | ||
| const { Blob } = require('buffer') | ||
| const { STATUS_CODES } = require('http') | ||
| const { | ||
| NotSupportedError | ||
| } = require('../core/errors') | ||
| const util = require('../core/util') | ||
|
|
||
| const kType = Symbol('type') | ||
| const kStatus = Symbol('status') | ||
| const kStatusText = Symbol('status text') | ||
| const kUrlList = Symbol('url list') | ||
| const kHeaders = Symbol('headers') | ||
| const kBody = Symbol('body') | ||
| const kBodyUsed = Symbol('body used') | ||
|
|
||
| class Response { | ||
| constructor ({ | ||
| type, | ||
| url, | ||
| body, | ||
| statusCode, | ||
| headers, | ||
| context | ||
| }) { | ||
| this[kType] = type || 'default' | ||
| this[kStatus] = statusCode || 0 | ||
| this[kStatusText] = STATUS_CODES[statusCode] || '' | ||
| this[kUrlList] = Array.isArray(url) ? url : (url ? [url] : []) | ||
| this[kHeaders] = headers || new Headers() | ||
| this[kBody] = body || null | ||
| this[kBodyUsed] = false | ||
|
|
||
| if (context && context.history) { | ||
| this[kUrlList].push(...context.history) | ||
| } | ||
| } | ||
|
|
||
| get type () { | ||
| return this[kType] | ||
| } | ||
|
|
||
| get url () { | ||
| const length = this[kUrlList].length | ||
| return length === 0 ? '' : this[kUrlList][length - 1].toString() | ||
| } | ||
|
|
||
| get redirected () { | ||
| return this[kUrlList].length > 1 | ||
| } | ||
|
|
||
| get status () { | ||
| return this[kStatus] | ||
| } | ||
|
|
||
| get ok () { | ||
| return this[kStatus] >= 200 && this[kStatus] <= 299 | ||
| } | ||
|
|
||
| get statusText () { | ||
| return this[kStatusText] | ||
| } | ||
|
|
||
| get headers () { | ||
| return this[kHeaders] | ||
| } | ||
|
|
||
| async blob () { | ||
| const chunks = [] | ||
| if (this.body) { | ||
| if (this.bodyUsed || this.body.locked) { | ||
| throw new TypeError('unusable') | ||
| } | ||
|
|
||
| this[kBodyUsed] = true | ||
| for await (const chunk of this.body) { | ||
| chunks.push(chunk) | ||
| } | ||
| } | ||
|
|
||
| return new Blob(chunks, { type: this.headers.get('Content-Type') || '' }) | ||
| } | ||
|
|
||
| async arrayBuffer () { | ||
| const blob = await this.blob() | ||
| return await blob.arrayBuffer() | ||
| } | ||
|
|
||
| async text () { | ||
| const blob = await this.blob() | ||
| return await blob.text() | ||
| } | ||
|
|
||
| async json () { | ||
| return JSON.parse(await this.text()) | ||
| } | ||
|
|
||
| async formData () { | ||
| // TODO: Implement. | ||
| throw new NotSupportedError('formData') | ||
| } | ||
|
|
||
| get body () { | ||
| return this[kBody] | ||
| } | ||
|
|
||
| get bodyUsed () { | ||
| return util.isDisturbed(this.body) || this[kBodyUsed] | ||
| } | ||
|
|
||
| clone () { | ||
| let body = null | ||
|
|
||
| if (this[kBody]) { | ||
| if (util.isDisturbed(this[kBody])) { | ||
| throw new TypeError('disturbed') | ||
| } | ||
|
|
||
| if (this[kBody].locked) { | ||
| throw new TypeError('locked') | ||
| } | ||
|
|
||
| // https://fetch.spec.whatwg.org/#concept-body-clone | ||
| const [out1, out2] = this[kBody].tee() | ||
|
|
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| this[kBody] = out1 | ||
| body = out2 | ||
| } | ||
|
|
||
| return new Response({ | ||
| type: this[kType], | ||
| statusCode: this[kStatus], | ||
| url: this[kUrlList], | ||
| headers: this[kHeaders], | ||
| body | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| module.exports = Response |
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