40 lines
861 B
JavaScript
40 lines
861 B
JavaScript
import {Readable as ReadableStream} from 'node:stream';
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import lowercaseKeys from 'lowercase-keys';
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export default class Response extends ReadableStream {
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statusCode;
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headers;
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body;
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url;
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constructor({statusCode, headers, body, url}) {
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if (typeof statusCode !== 'number') {
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throw new TypeError('Argument `statusCode` should be a number');
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}
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if (typeof headers !== 'object') {
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throw new TypeError('Argument `headers` should be an object');
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}
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if (!(body instanceof Uint8Array)) {
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throw new TypeError('Argument `body` should be a buffer');
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}
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if (typeof url !== 'string') {
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throw new TypeError('Argument `url` should be a string');
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}
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super({
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read() {
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this.push(body);
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this.push(null);
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},
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});
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this.statusCode = statusCode;
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this.headers = lowercaseKeys(headers);
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this.body = body;
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this.url = url;
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}
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}
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