20 lines
711 B
JavaScript
20 lines
711 B
JavaScript
import { assertU8 } from './fallback/_utils.js'
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import { multibyteDecoder, multibyteEncoder } from './fallback/multi-byte.js'
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export function createMultibyteDecoder(encoding, loose = false) {
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const jsDecoder = multibyteDecoder(encoding, loose) // asserts
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let streaming = false
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return (arr, stream = false) => {
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assertU8(arr)
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if (!streaming && arr.byteLength === 0) return ''
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streaming = stream
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return jsDecoder(arr, stream)
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}
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}
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export function createMultibyteEncoder(encoding, { mode = 'fatal' } = {}) {
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// TODO: replacement, truncate (replacement will need varying length)
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if (mode !== 'fatal') throw new Error('Unsupported mode')
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return multibyteEncoder(encoding) // asserts
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}
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