UNPKG

echogarden

Version:

An easy-to-use speech toolset. Includes tools for synthesis, recognition, alignment, speech translation, language detection, source separation and more.

36 lines 1.27 kB
export function encodeUtf16(text) { const resultArray = new Uint16Array(text.length); const { written } = encodeUtf16Into(text, resultArray); return resultArray.subarray(0, written); } export function encodeUtf16Into(text, resultBuffer) { const len = text.length; if (resultBuffer.length < len) { throw new Error(`Result Uint16Array is not large enough to hold the string`); } for (let readOffset = 0; readOffset < len; readOffset++) { resultBuffer[readOffset] = text.charCodeAt(readOffset); } return { read: len, written: len }; } export function decodeUtf16(encodedString) { const maxChunkLength = 2 ** 24; const decoder = new ChunkedUtf16Decoder(); for (let offset = 0; offset < encodedString.length; offset += maxChunkLength) { const chunk = encodedString.subarray(offset, offset + maxChunkLength); decoder.writeChunk(chunk); } return decoder.toString(); } export class ChunkedUtf16Decoder { str = ''; textDecoder = new TextDecoder('utf-16le'); writeChunk(chunk) { const decodedChunk = this.textDecoder.decode(chunk, { stream: true }); this.str += decodedChunk; } toString() { return this.str; } } //# sourceMappingURL=Utf16.js.map