85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
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#!/usr/bin/env node
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import { AudioContext } from 'web-audio-api'
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import commandLineArgs from 'command-line-args'
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import fetch from 'node-fetch'
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const optionDefinitions = [
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{ name: 'lang', type: String },
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{ name: 'query', type: String },
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{ name: 'stdin', type: Boolean }
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]
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const options = commandLineArgs(optionDefinitions)
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if (options.stdin) {
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handlePipedContent(data => {
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options.query = data
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const queries = splitString(options.query)
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getAudio(options.lang, queries).then(audio => {
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play(audio)
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})
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})
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} else if (typeof options.query !== 'undefined') {
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const queries = splitString(options.query)
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getAudio(options.lang, queries).then(audio => {
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play(audio)
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})
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} else {
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console.log(
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'At least one of the options --query or --stdin must be specified.'
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)
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process.exit(1)
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}
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function handlePipedContent (cb) {
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let data = ''
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process.stdin.on('readable', () => {
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const chuck = process.stdin.read()
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if (chuck !== null) {
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data += chuck
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}
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})
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process.stdin.on('end', () => cb(data))
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}
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function getAudio (lang, queries) {
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const fetches = queries.map(query => {
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return fetch(
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'https://translate.yanknil.com/api/v1/audio/' +
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lang +
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'/' +
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encodeURIComponent(query)
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).then(res => res.json())
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})
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return Promise.all(fetches).then(results => {
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return results.flatMap(result => result.audio)
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})
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}
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function play (audio) {
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const context = new AudioContext()
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context.sampleRate = 24000
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context.outStream = process.stdout
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context.decodeAudioData(new Uint8Array(audio).buffer, audioBuffer => {
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const source = context.createBufferSource()
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source.connect(context.destination)
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source.buffer = audioBuffer
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source.start(0)
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source.onended = () => {
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process.exit()
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}
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})
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}
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function splitString (str = '') {
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str = str.replace(/[\r\n]/g, '')
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const regex = /([\u3000-\u303f\u3040-\u309f\u30a0-\u30ff\uff00-\uff9f\u4e00-\u9faf\u3400-\u4dbf]{1,199}|\S[^\u3000-\u303f\u3040-\u309f\u30a0-\u30ff\uff00-\uff9f\u4e00-\u9faf\u3400-\u4dbf]{1,197}\S(?= |$)|.{1,198}[\u3000-\u303f\u3040-\u309f\u30a0-\u30ff\uff00-\uff9f\u4e00-\u9faf\u3400-\u4dbf])/gm
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const chunks = str.match(regex)
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return chunks
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}
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