@yxw007/translate
Version:
A simple library that supports multiple translation engines
2 lines (1 loc) • 36.8 kB
JavaScript
;Object.defineProperty(exports,"__esModule",{value:!0}),require("fs/promises"),require("fs"),require("path");var e=require("@aws-sdk/client-translate"),a=require("crypto");class n extends Error{region;constructor(e,a){super(a),this.region=e,Error.captureStackTrace(this,this.constructor)}}class t extends Error{region;constructor(e,a){super(a),this.region=e,Error.captureStackTrace(this,this.constructor)}}const i=["o1-preview","o1-preview-2024-09-12","o1-mini-2024-09-12","o1-mini","dall-e-2","gpt-3.5-turbo","gpt-3.5-turbo-0125","babbage-002","davinci-002","dall-e-3","text-embedding-3-large","gpt-3.5-turbo-16k","tts-1-hd-1106","text-embedding-ada-002","text-embedding-3-small","tts-1-hd","whisper-1","gpt-3.5-turbo-1106","gpt-3.5-turbo-instruct","gpt-4o-mini-2024-07-18","gpt-4o-mini","tts-1","tts-1-1106","gpt-3.5-turbo-instruct-0914"];class r{cache;constructor(){this.cache=new Map}set(e,a,n){if(n<=0)throw new Error("time must be greater than 0");const t=this.cache.get(e);t&&clearTimeout(t.timeout);const i={value:a,expire:Date.now()+n};isNaN(i.expire)||(i.timeout=setTimeout(()=>this.del(e),n)),this.cache.set(e,i)}get(e){return this.cache.get(e)}delete(e){let a=!0;const n=this.cache.get(e);return n?!isNaN(n.expire)&&n.expire<Date.now()?a=!1:clearTimeout(n.timeout):a=!1,a&&this.del(e),a}del(e){this.cache.delete(e)}clear(){for(const[,e]of this.cache.entries())clearTimeout(e.timeout);this.cache.clear()}}function o(e=""){return{log(...e){this.info(...e)},info(...a){console.log(`[translate ${e}]`,...a)},error(...a){console.error(`[translate ${e}]`,...a)},warn(...a){console.warn(`[translate ${e}]`,...a)}}}function s(){return"-".repeat(20)}function c(e,a="Translate fail ! 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b(e,n="hex"){return a.createHash("sha256").update(e).digest(n)}function T({secretId:e,secretKey:a,service:n,host:t,payload:i,httpRequestMethod:r,action:o,apiVersion:s,region:c}){const l=Math.floor(Date.now()/1e3),u=function(e){const a=new Date(1e3*e);return`${a.getUTCFullYear()}-${("0"+(a.getUTCMonth()+1)).slice(-2)}-${("0"+a.getUTCDate()).slice(-2)}`}(l),h="content-type:application/json; charset=utf-8\nhost:"+t+"\n",g="content-type;host",d=b(i),m="TC3-HMAC-SHA256",p=`${u}/${n}/tc3_request`,f=[m,l,p,b([r,"/","",h,g,d].join("\n"))].join("\n"),w=k(u,"TC3"+a),y=k(n,w),T=k("tc3_request",y),S={Authorization:`${m} Credential=${e}/${p}, SignedHeaders=${g}, Signature=${k(f,T,"hex")}`,"Content-Type":"application/json; charset=utf-8",Host:t,"X-TC-Action":o,"X-TC-Timestamp":l,"X-TC-Version":s};return c&&(S["X-TC-Region"]=c),S}const S={google:function(e){const a="https://translate.googleapis.com/translate_a/single";return{name:"google",async translate(e,t){const{from:i="auto",to:r}=t;Array.isArray(e)||(e=[e]);const o=e.join("\n"),s=`${a}?client=gtx&sl=${i}&tl=${r}&dt=t&q=${encodeURI(o)}`,c=await fetch(s);if(!c.ok)throw await l(this.name,c);const u=await c.json();if(!u||0===u.length)throw new n(this.name,"Translate fail ! translate's result is null or empty");const h=[];for(let e=0;u[0]&&e<u[0].length;e++){const a=u[0][e];a&&0!=a.length&&Array.isArray(a)&&a[0]&&h.push(a[0].replaceAll("\n",""))}return h},async checkLanguage(e){const n=`${a}?client=gtx&sl=auto&tl=en&dt=t&q=${encodeURI(e)}`,i=await fetch(n);if(!i.ok)throw await l(this.name,i);const r=await i.json();if(!r||r.length<3)throw new t(this.name,"Check language fail! No result returned");const o=r[2];if(!o)throw new t(this.name,"Check language fail! Language not detected");return o}}},azure:function(e){const{key:a,region:i}=e,r="azure",o=()=>{if(!a||!i)throw new n(r,`${r} key and region is required`)};o();const s="https://api.cognitive.microsofttranslator.com/translate?api-version=3.0";return{name:r,async translate(e,t){o();const{from:r,to:c}=t,u=`${s}&to=${c}${r&&"auto"!==r?`&from=${r}`:""}`;Array.isArray(e)||(e=[e]);const h=await fetch(u,{method:"POST",headers:{"Content-Type":"application/json; charset=UTF-8","Ocp-Apim-Subscription-Key":a,"Ocp-Apim-Subscription-Region":i},body:JSON.stringify(e.map(e=>({Text:e})))});if(!h.ok)throw await l(this.name,h);const g=await h.json();if(g.error)throw new n(this.name,`Translate fail ! code: ${g.error.code}, message: ${g.error.message} \n Go to https://learn.microsoft.com/zh-cn/azure/ai-services/translator/text-translation/reference/v3/translate view details`);const d=g;if(!d||0===d.length)throw new n(this.name,"Translate fail ! translate's result is null or empty");const m=[];for(const e of d)e.translations&&0!=e.translations.length&&m.push(...e.translations.map(e=>e.text));return m},async checkLanguage(e){o();const n=`${s}&to=en`,r=await fetch(n,{method:"POST",headers:{"Content-Type":"application/json; charset=UTF-8","Ocp-Apim-Subscription-Key":a,"Ocp-Apim-Subscription-Region":i},body:JSON.stringify([{Text:e}])});if(!r.ok)throw await l(this.name,r);const c=await r.json();if(c.error)throw new t(this.name,`checkLanguage fail ! code: ${c.error.code}, message: ${c.error.message} \n Go to https://learn.microsoft.com/zh-cn/azure/ai-services/translator/text-translation/reference/v3/translate view details`);if(!c||!Array.isArray(c)||0===c.length)throw new t(this.name,"Check language fail! No result returned");const u=c[0]?.detectedLanguage?.language;if(!u)throw new t(this.name,"Check language fail! Language not detected");return u}}},amazon:function(a){const{region:t,accessKeyId:i,secretAccessKey:r}=a,o="amazon",s=()=>{if(!t||!i||!r)throw new n(o,`${o} region, accessKeyId ,secretAccessKey is required`)};return s(),{name:o,async translate(a,n){s();const{from:o="auto",to:c}=n,l=new e.TranslateClient({region:t,credentials:{accessKeyId:i,secretAccessKey:r}});Array.isArray(a)||(a=[a]);const u=new e.TranslateTextCommand({SourceLanguageCode:o,TargetLanguageCode:c,Text:a.join("\n")}),h=await l.send(u),g=[];if(h.TranslatedText){const e=h.TranslatedText??"";g.push(...e.split("\n"))}return g},async checkLanguage(a){s();const c=new e.TranslateClient({region:t,credentials:{accessKeyId:i,secretAccessKey:r}}),l=new e.TranslateTextCommand({SourceLanguageCode:"auto",TargetLanguageCode:"en",Text:a});try{const e=await c.send(l);if(!e.SourceLanguageCode)throw new n(o,"Check language fail! 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Portuguese":"pt-PT",Finnish:"fi",French:"fr",German:"de",Greek:"el",Hungarian:"hu",Icelandic:"is",Indonesian:"id",Irish:"ga",Italian:"it",Japanese:"ja",Korean:"ko",Latvian:"lv",Lithuanian:"lt",Maltese:"mt",Norwegian:"nb",Polish:"pl",Portuguese:"pt",Romanian:"ro",Russian:"ru",Slovak:"sk",Slovenian:"sl",Spanish:"es",Swedish:"sv",Turkish:"tr",Ukrainian:"uk"},amazon:x,openai:C,tencent:{"Simplified Chinese":"zh","Traditional Chinese":"zh-TW",English:"en",Japanese:"ja",Korean:"ko",French:"fr",Spanish:"es",Italian:"it",German:"de",Turkish:"tr",Russian:"ru",Portuguese:"pt",Vietnamese:"vi",Indonesian:"id",Thai:"th",Malay:"ms",Arabic:"ar",Hindi:"hi"}};const M=Object.assign(Object.assign({},A),{baidu:{Chinese:"zh",English:"en",Japanese:"jp",Korean:"kor",Thai:"th",Russian:"ru"}});function L(e,a){if("auto"===e)return"auto";const n=A[a];if(!n)throw new Error(`Engine ${a} not found`);if(Object.keys(A[a]).includes(e))return n[e];if(Object.values(A[a]).includes(e))return e;throw new Error(`Invalid from language ${a} ${e}`)}function B(e,a){const n=z[a];if(!n)throw new Error(`Engine ${a} not found`);if(Object.keys(z[a]).includes(e))return n[e];if(Object.values(z[a]).includes(e))return e;throw new Error(`Invalid to language ${a} ${e}`)}function j(e){return{from:A[e],to:z[e]}}const P="Translate",K=1e3,I=o(),_=new r;class E{engines;cache_time;concurrencyMax;concurrencyDelay;constructor(e=6e4,a=4,n=20){this.engines=new Map,this.cache_time=e,this.concurrencyMax=a,this.concurrencyDelay=n}use(e){this.addEngine(e)}addEngine(e){this.engines.has(e.name)?I.warn("Engine already exists"):this.engines.set(e.name,e)}removeEngine(e){if(!e||!this.engines.has(e))return I.warn("Engine name is required or not found"),!1;this.engines.delete(e)}isSupportCheckLanguage(e){if(!e||!this.engines.has(e))return I.warn("Engine name is required or not found"),!1;const a=this.engines.get(e);return a?!!a.checkLanguage:(I.warn(`Engine ${e} not found`),!1)}async checkLanguage(e,a){const{engine:i="google",max_character_num:r=K}=a;if(!this.engines.has(i))throw new t(P,`Engine ${i} not found`);const o=this.engines.get(i);if(!o)throw new t(P,`Engine ${i} is null`);if(!o.checkLanguage)throw new t(P,`Engine ${i} does not support checkLanguage method`);const l=r>0?e.substring(0,r):e;if(l.length<=0)throw new n(P,"Text is empty or too short to check language");return o.checkLanguage(l).then(e=>e).catch(a=>{throw I.error(`${P} Failed to check language for text: \n${s()}\n${e}\n${s()}\n error: ${c(a)}`),a})}async translate(e,a){const{engine:t="google",cache_time:i=6e4}=a;let{from:r="auto",to:o}=a;if(r=a.from=L(r,t),o=a.to=B(o,t),!this.engines.has(t))throw new n(P,`Engine ${t} not found`);const l=this.engines.get(t);if(!l)throw new n(P,`Engine ${t} is null`);if(!r)throw new n(P,`Invalid origin language ${r}`);if(!o)throw new n(P,`Invalid target language ${o}`);const u=`${r}:${o}:${t}:${e}`;return _.get(u)?Promise.resolve(_.get(u)?.value):this.concurrencyHandle(l,e,a).then(e=>(_.set(u,e,i??this.cache_time),e)).catch(a=>{throw I.error(`${P} Failed: from=${r},to=${o},engine=${t},translate text: \n${s()}\n${e}\n${s()}\n error: ${c(a)}`),a instanceof n?a:new n(P,c(a))})}async concurrencyHandle(e,a,t){const{max_character_num:i=K}=t,r=i>0?i:K;if(Array.isArray(a)){if(function(e,a){return!(!e||e.length<=0)&&e.reduce((e,a)=>e+a.length,0)>a}(a,i))throw new n(P,"String arrays do not support automatic character splitting, and the total number of characters in a string array exceeds the limit on the number of translated characters.");return e.translate(a,t)}return this.concurrencyTranslate(e,a,t,r)}async concurrencyTranslate(e,a,n,t){const i=function(e,a){const n=[/\n\n+/,/[.。！？?!\n]/,/[;；]/,/[,，]/g,/\s/],t=[];for(;e.length>0;){const i=e.slice(0,a);if(e.length<=a){t.push(e);break}let r=-1;for(const e of n){const n=new RegExp(e.source+"(?=[^]*)","g");let t,o;for(;null!==(t=n.exec(i));)t.index===n.lastIndex&&n.lastIndex++,o=null!=o?t.index>o.index?t:o:t;if(void 0!==o?.index&&o.index>=.7*a){r=o.index;break}}-1===r&&(r=i.lastIndexOf(" ",a),r=-1===r?a:r),0==r?e=e.slice(r+1):(t.push(e.slice(0,r)),e=e.slice(r))}return t}(a,t).map((e,a)=>({content:e,index:a})),r=[];let o=0;const s=this.concurrencyDelay,c=this.concurrencyMax;return new Promise((a,t)=>(function l(){for(;o<c&&i.length>0;){const{content:c,index:u}=i.shift();o++,e.translate(c,n).then(e=>{r.push({translated:e,index:u})}).catch(e=>t(e)).finally(async()=>{if(o--,0===o&&i.length<=0){r.sort((e,a)=>e.index-a.index);const e=r.reduce((e,a)=>e.concat(a.translated),[]);return a([e.join("")])}var e;await(e=s,new Promise(a=>setTimeout(a,e))),l()})}}(),r))}}const H=new E;var O={engines:S,translator:H,Translator:E,Cache:r,getLanguage:j};exports.Cache=r,exports.CheckLanguageError=t,exports.OPEN_AI_MODELS=i,exports.TranslationError=n,exports.Translator=E,exports.checkLanguages=M,exports.default=O,exports.engines=S,exports.getLanguage=j,exports.normalFromLanguage=L,exports.normalToLanguage=B,exports.originLanguages=A,exports.targetLanguages=z,exports.translator=H;