42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
import {getStreamContents} from './contents.js';
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import {
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identity,
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getContentsProperty,
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throwObjectStream,
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getLengthProperty,
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} from './utils.js';
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export async function getStreamAsString(stream, options) {
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return getStreamContents(stream, stringMethods, options);
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}
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const initString = () => ({contents: '', textDecoder: new TextDecoder()});
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const useTextDecoder = (chunk, {textDecoder}) => textDecoder.decode(chunk, {stream: true});
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const addStringChunk = (convertedChunk, {contents}) => contents + convertedChunk;
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const truncateStringChunk = (convertedChunk, chunkSize) => convertedChunk.slice(0, chunkSize);
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const getFinalStringChunk = ({textDecoder}) => {
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const finalChunk = textDecoder.decode();
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return finalChunk === '' ? undefined : finalChunk;
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};
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const stringMethods = {
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init: initString,
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convertChunk: {
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string: identity,
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buffer: useTextDecoder,
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arrayBuffer: useTextDecoder,
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dataView: useTextDecoder,
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typedArray: useTextDecoder,
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others: throwObjectStream,
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},
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getSize: getLengthProperty,
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truncateChunk: truncateStringChunk,
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addChunk: addStringChunk,
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getFinalChunk: getFinalStringChunk,
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finalize: getContentsProperty,
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};
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