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h{constructor(e){super(),this.config=e,this.vocab=[],this.tokens_to_ids=new Map,this.unk_token_id=void 0,this.unk_token=void 0,this.end_of_word_suffix=void 0,this.fuse_unk=this.config.fuse_unk??!1}static fromConfig(e,...t){switch(e.type){case"WordPiece":return new ey(e);case"Unigram":return new ew(e,...t);case"BPE":return new ev(e);default:if(e.vocab)return new ex(e,...t);throw Error(`Unknown TokenizerModel type: ${e.type}`)}}_call(e){return this.encode(e)}encode(e){throw Error("encode should be implemented in subclass.")}convert_tokens_to_ids(e){let t=e.map(e=>this.tokens_to_ids.get(e)??this.unk_token_id);return this.fuse_unk&&(t=function(e,t){let n=[],r=0;for(;rthis.vocab[e]??this.unk_token)}}class ey extends em{constructor(e){for(let[t,n]of(super(e),this.tokens_to_ids=ef(e.vocab),this.unk_token_id=this.tokens_to_ids.get(e.unk_token),this.unk_token=e.unk_token,this.vocab=Array(this.tokens_to_ids.size),this.tokens_to_ids))this.vocab[n]=t}encode(e){let t=[];for(let n of e){let e=[...n],r=!1,s=0,i=[];for(;s0&&(r=this.config.continuing_subword_prefix+r),this.tokens_to_ids.has(r)){n=r;break}--t}if(null===n){r=!0;break}i.push(n),s=t}r?t.push(this.unk_token):t.push(...i)}return t}}class ew extends em{constructor(e,t){super(e);let n=e.vocab.length;this.vocab=Array(n),this.scores=Array(n);for(let t=0;t[e,t])),this.bosToken=" ",this.bosTokenId=this.tokens_to_ids.get(this.bosToken),this.eosToken=t.eos_token,this.eosTokenId=this.tokens_to_ids.get(this.eosToken),this.unkToken=this.vocab[this.unk_token_id],this.minScore=function(e){if(0===e.length)throw Error("Array must not be empty");let t=e[0],n=0;for(let r=1;r{let e=[...Array.from({length:94},(e,t)=>t+33),...Array.from({length:12},(e,t)=>t+161),...Array.from({length:82},(e,t)=>t+174)],t=e.slice(),n=0;for(let r=0;r<256;++r)e.includes(r)||(e.push(r),t.push(256+n),n+=1);let r=t.map(e=>String.fromCharCode(e));return Object.fromEntries(e.map((e,t)=>[e,r[t]]))})(),ek=Object.fromEntries(Object.entries(eb).map(([e,t])=>[t,e]));class ev extends em{constructor(e){for(let[t,n]of(super(e),this.BPE_SPLIT_TOKEN=" ",this.tokens_to_ids=ef(e.vocab),this.unk_token_id=this.tokens_to_ids.get(e.unk_token),this.unk_token=e.unk_token,this.vocab=Array(this.tokens_to_ids.size),this.tokens_to_ids))this.vocab[n]=t;this.bpe_ranks=new Map(e.merges.map((e,t)=>[e,t])),this.merges=e.merges.map(e=>e.split(this.BPE_SPLIT_TOKEN)),this.end_of_word_suffix=e.end_of_word_suffix,this.byte_fallback=this.config.byte_fallback??!1,this.byte_fallback&&(this.text_encoder=new TextEncoder),this.cache=new Map}bpe(e){if(0===e.length)return[];let t=this.cache.get(e);if(void 0!==t)return t;let n=Array.from(e);this.end_of_word_suffix&&(n[n.length-1]+=this.end_of_word_suffix);let r=[];if(n.length>1){let e=new eo((e,t)=>e.score`<0x${e.toString(16).toUpperCase().padStart(2,"0")}>`)):t.push(this.unk_token);return t}}class ex extends em{constructor(e,t){for(let[n,r]of(super(e),this.tokens_to_ids=ef(t.target_lang?e.vocab[t.target_lang]:e.vocab),this.bos_token=t.bos_token,this.bos_token_id=this.tokens_to_ids.get(this.bos_token),this.eos_token=t.eos_token,this.eos_token_id=this.tokens_to_ids.get(this.eos_token),this.pad_token=t.pad_token,this.pad_token_id=this.tokens_to_ids.get(this.pad_token),this.unk_token=t.unk_token,this.unk_token_id=this.tokens_to_ids.get(this.unk_token),this.vocab=Array(this.tokens_to_ids.size),this.tokens_to_ids))this.vocab[r]=n}encode(e){return e}}class eE extends h{constructor(e){super(),this.config=e}static fromConfig(e){if(null===e)return null;switch(e.type){case"BertNormalizer":return new eL(e);case"Precompiled":return new e6(e);case"Sequence":return new ez(e);case"Replace":return new eA(e);case"NFC":return new eM(e);case"NFKD":return new eT(e);case"Strip":return new eB(e);case"StripAccents":return new eC(e);case"Lowercase":return new eS(e);case"Prepend":return new eI(e);default:throw Error(`Unknown Normalizer type: ${e.type}`)}}normalize(e){throw Error("normalize should be implemented in subclass.")}_call(e){return this.normalize(e)}}class eA extends eE{normalize(e){let t=ed(this.config.pattern);return null===t?e:e=e.replaceAll(t,this.config.content)}}class eM extends eE{normalize(e){return e=e.normalize("NFC")}}class eT extends eE{normalize(e){return e=e.normalize("NFKD")}}class eB extends eE{normalize(e){return this.config.strip_left&&this.config.strip_right?e=e.trim():(this.config.strip_left&&(e=e.trimStart()),this.config.strip_right&&(e=e.trimEnd())),e}}class eC extends eE{normalize(e){return e=e_(e)}}class eS extends eE{normalize(e){return e=e.toLowerCase()}}class eI extends eE{normalize(e){return e=this.config.prepend+e}}class ez extends eE{constructor(e){super(e),this.normalizers=e.normalizers.map(e=>eE.fromConfig(e))}normalize(e){return this.normalizers.reduce((e,t)=>t.normalize(e),e)}}class eL extends eE{_tokenize_chinese_chars(e){let t=[];for(let n=0;n=19968&&e<=40959||e>=13312&&e<=19903||e>=131072&&e<=173791||e>=173824&&e<=177983||e>=177984&&e<=178207||e>=178208&&e<=183983||e>=63744&&e<=64255||e>=194560&&e<=195103}stripAccents(e){return e.normalize("NFD").replace(/[\u0300-\u036f]/g,"")}normalize(e){return this.config.handle_chinese_chars&&(e=this._tokenize_chinese_chars(e)),this.config.lowercase?(e=e.toLowerCase(),!1!==this.config.strip_accents&&(e=this.stripAccents(e))):this.config.strip_accents&&(e=this.stripAccents(e)),e}}class eU extends h{static fromConfig(e){if(null===e)return null;switch(e.type){case"BertPreTokenizer":return new eR(e);case"Sequence":return new e3(e);case"WhitespaceSplit":return new e8(e);case"Metaspace":return new e1(e);case"ByteLevel":return new ej(e);case"Split":return new eF(e);case"Punctuation":return new eO(e);case"Digits":return new eP(e);default:throw Error(`Unknown PreTokenizer type: ${e.type}`)}}pre_tokenize_text(e){throw Error("pre_tokenize_text should be implemented in subclass.")}pre_tokenize(e){return(Array.isArray(e)?e.map(e=>this.pre_tokenize_text(e)):this.pre_tokenize_text(e)).flat()}_call(e){return this.pre_tokenize(e)}}class eR extends eU{constructor(e){super(),this.pattern=RegExp(`[^\\s${eg}]+|[${eg}]`,"gu")}pre_tokenize_text(e){return e.trim().match(this.pattern)||[]}}class ej extends eU{constructor(e){super(),this.config=e,this.add_prefix_space=this.config.add_prefix_space,this.trim_offsets=this.config.trim_offsets,this.use_regex=this.config.use_regex??!0,this.pattern=/'s|'t|'re|'ve|'m|'ll|'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+/gu,this.byte_encoder=eb,this.text_encoder=new TextEncoder}pre_tokenize_text(e){return this.add_prefix_space&&!e.startsWith(" ")&&(e=" "+e),(this.use_regex?e.match(this.pattern)||[]:[e]).map(e=>Array.from(this.text_encoder.encode(e),e=>this.byte_encoder[e]).join(""))}}class eF extends eU{constructor(e){super(),this.config=e,this.pattern=ed(this.config.pattern,this.config.invert)}pre_tokenize_text(e){return null===this.pattern?[]:this.config.invert?e.match(this.pattern)||[]:e.split(this.pattern).filter(e=>e)}}class eO extends eU{constructor(e){super(),this.config=e,this.pattern=RegExp(`[^${eg}]+|[${eg}]+`,"gu")}pre_tokenize_text(e){return e.match(this.pattern)||[]}}class eP extends eU{constructor(e){super(),this.config=e;let t=`[^\\d]+|\\d${this.config.individual_digits?"":"+"}`;this.pattern=RegExp(t,"gu")}pre_tokenize_text(e){return e.match(this.pattern)||[]}}class e$ extends h{constructor(e){super(),this.config=e}static fromConfig(e){if(null===e)return null;switch(e.type){case"TemplateProcessing":return new eD(e);case"ByteLevel":return new eW(e);case"RobertaProcessing":return new eq(e);case"BertProcessing":return new eN(e);default:throw Error(`Unknown PostProcessor type: ${e.type}`)}}post_process(e,...t){throw Error("post_process should be implemented in subclass.")}_call(e,...t){return this.post_process(e,...t)}}class eN extends e${constructor(e){super(e),this.cls=e.cls[0],this.sep=e.sep[0]}post_process(e,t=null){return e=u([this.cls],e,[this.sep]),null!==t&&(e=u(e,[this.sep],t,[this.sep])),e}}class eq extends eN{}class eD extends e${constructor(e){super(e),this.single=e.single,this.pair=e.pair}post_process(e,t=null){let n=null===t?this.single:this.pair,r=[];for(let s of n)"SpecialToken"in s?r.push(s.SpecialToken.id):"Sequence"in s&&("A"===s.Sequence.id?r=u(r,e):"B"===s.Sequence.id&&(r=u(r,t)));return r}}class eW extends e${post_process(e){return e}}class eG extends h{constructor(e){super(),this.config=e,this.added_tokens=[],this.end_of_word_suffix=null,this.trim_offsets=e.trim_offsets}static fromConfig(e){switch(e.type){case"WordPiece":return new eQ(e);case"Metaspace":return new e2(e);case"ByteLevel":return new eY(e);case"Replace":return new eV(e);case"ByteFallback":return new eH(e);case"Fuse":return new eK(e);case"Strip":return new eX(e);case"Sequence":return new eZ(e);case"CTC":return new eJ(e);case"BPEDecoder":return new e0(e);default:throw Error(`Unknown Decoder type: ${e.type}`)}}_call(e){return this.decode(e)}decode(e){return this.decode_chain(e).join("")}decode_chain(e){throw Error("`decode_chain` should be implemented in subclass.")}}class eV extends eG{decode_chain(e){let t=ed(this.config.pattern);return null===t?e:e.map(e=>e.replaceAll(t,this.config.content))}}class eH extends eG{constructor(e){super(e),this.text_decoder=new TextDecoder}decode_chain(e){let t=[],n=[];for(let r of e){let e=null;if(6===r.length&&r.startsWith("<0x")&&r.endsWith(">")){let t=parseInt(r.slice(3,5),16);isNaN(t)||(e=t)}if(null!==e)n.push(e);else{if(n.length>0){let e=this.text_decoder.decode(Uint8Array.from(n));t.push(e),n=[]}t.push(r)}}if(n.length>0){let e=this.text_decoder.decode(Uint8Array.from(n));t.push(e),n=[]}return t}}class eK extends eG{decode_chain(e){return[e.join("")]}}class eX extends eG{constructor(e){super(e),this.content=this.config.content,this.start=this.config.start,this.stop=this.config.stop}decode_chain(e){return e.map(e=>{let t=0;for(let n=0;n(0!==t&&(e=e.startsWith(this.config.prefix)?e.replace(this.config.prefix,""):" "+e),this.cleanup&&(e=ep(e)),e))}}class eY extends eG{constructor(e){super(e),this.byte_decoder=ek,this.text_decoder=new TextDecoder("utf-8",{fatal:!1,ignoreBOM:!0}),this.end_of_word_suffix=null}convert_tokens_to_string(e){let t=e.join(""),n=new Uint8Array([...t].map(e=>this.byte_decoder[e]));return this.text_decoder.decode(n)}decode_chain(e){let t=[],n=[];for(let r of e)this.added_tokens.includes(r)?(n.length>0&&(t.push(this.convert_tokens_to_string(n)),n=[]),t.push(r)):n.push(r);return n.length>0&&t.push(this.convert_tokens_to_string(n)),t}}class eJ extends eG{constructor(e){super(e),this.pad_token=this.config.pad_token,this.word_delimiter_token=this.config.word_delimiter_token,this.cleanup=this.config.cleanup}convert_tokens_to_string(e){if(0===e.length)return"";let t=[e[0]];for(let n=1;ne!==this.pad_token).join("");return this.cleanup&&(n=ep(n).replaceAll(this.word_delimiter_token," ").trim()),n}decode_chain(e){return[this.convert_tokens_to_string(e)]}}class eZ extends eG{constructor(e){super(e),this.decoders=e.decoders.map(e=>eG.fromConfig(e))}decode_chain(e){return this.decoders.reduce((e,t)=>t.decode_chain(e),e)}}class e0 extends eG{constructor(e){super(e),this.suffix=this.config.suffix}decode_chain(e){return e.map((t,n)=>t.replaceAll(this.suffix,n===e.length-1?"":" "))}}class e1 extends eU{constructor(e){super(),this.addPrefixSpace=e.add_prefix_space,this.replacement=e.replacement,this.strRep=e.str_rep||this.replacement}pre_tokenize(e){"string"==typeof e&&(e=e.trimStart().split(/\s+/));let t=[];for(let n of e){let e=n.replaceAll(" ",this.strRep);this.addPrefixSpace&&!e.startsWith(this.replacement)&&(e=this.strRep+e),t.push(e)}return t}}class e2 extends eG{constructor(e){super(e),this.addPrefixSpace=e.add_prefix_space,this.replacement=e.replacement}decode_chain(e){let t=[];for(let n=0;ne.normalize("NFKC")).join("～")}else e=e.normalize("NFKC");return e}}class e3 extends eU{constructor(e){super(),this.tokenizers=e.pretokenizers.map(e=>eU.fromConfig(e))}pre_tokenize_text(e){return"string"==typeof e&&(e=[e]),this.tokenizers.reduce((e,t)=>t.pre_tokenize(e),e)}}class e8 extends eU{constructor(e){super()}pre_tokenize_text(e){return e.match(/\S+/g)||[]}}class e4 extends h{constructor(e,t){for(let n of(super(),this.normalizer=eE.fromConfig(e.normalizer),this.pre_tokenizer=eU.fromConfig(e.pre_tokenizer),this.model=em.fromConfig(e.model,t),this.post_processor=e$.fromConfig(e.post_processor),this.decoder=eG.fromConfig(e.decoder),this.decoder.end_of_word_suffix=this.model.end_of_word_suffix,this.special_tokens=[],this.all_special_ids=[],this.added_tokens=[],e.added_tokens)){let e=n.id,t=n.content;this.added_tokens.push(t),this.model.tokens_to_ids.set(t,e),this.model.vocab[e]=t,n.special&&(this.special_tokens.push(t),this.all_special_ids.push(e))}this.special_tokens.push(...t.additional_special_tokens??[]),this.special_tokens=[...new Set(this.special_tokens)],this.decoder.added_tokens=this.added_tokens,this.added_tokens_regex=this.added_tokens.length>0?RegExp("("+this.added_tokens.map(l).join("|")+")"):null,this.mask_token=this.getToken(t,"mask_token"),this.mask_token_id=this.model.tokens_to_ids.get(this.mask_token),this.pad_token=this.getToken(t,"pad_token","eos_token"),this.pad_token_id=this.model.tokens_to_ids.get(this.pad_token),this.sep_token=this.getToken(t,"sep_token"),this.sep_token_id=this.model.tokens_to_ids.get(this.sep_token),this.model_max_length=t.model_max_length,this.remove_space=t.remove_space,this.clean_up_tokenization_spaces=t.clean_up_tokenization_spaces??!0,this.do_lowercase_and_remove_accent=t.do_lowercase_and_remove_accent??!1,this.padding_side="right"}getToken(e,...t){for(let n of t){let t=e[n];if(t){if("object"!=typeof t)return t;if("AddedToken"===t.__type)return t.content;throw Error(`Unknown token: ${t}`)}}return null}static async from_pretrained(e,{progress_callback:t=null,config:n=null,cache_dir:r=null,local_files_only:s=!1,revision:i="main"}={}){let o=await eu(e,{progress_callback:t,config:n,cache_dir:r,local_files_only:s,revision:i});return new this(...o)}prepare_model_inputs(e){return e}_call(e,{text_pair:t=null,padding:n=!1,truncation:r=null,max_length:s=null,return_tensor:i=!0}={}){let o;if(Array.isArray(e)){if(0===e.length)throw Error("text array must be non-empty");if(null!==t){if(Array.isArray(t)){if(e.length!==t.length)throw Error("text and text_pair must have the same length")}else throw Error("text_pair must also be an array");o=e.map((e,n)=>this.encode(e,t[n]))}else o=e.map(e=>this.encode(e))}else{if(null===e)throw Error("text may not be null");if(Array.isArray(t))throw Error("When specifying `text_pair`, since `text` is a string, `text_pair` must also be a string (i.e., not an array).");o=[this.encode(e,t)]}let a=Q(o.map(e=>e.length))[0];null===s&&(s=a),s=Math.min(s,this.model_max_length);let l=[];if(n||r)for(let e=0;es)r&&(o[e]=o[e].slice(0,s)),l.push(Array(o[e].length).fill(1));else if(n){let t=s-o[e].length;"right"===this.padding_side?(l.push(Array(o[e].length).fill(1).concat(Array(t).fill(0))),o[e].push(...Array(t).fill(this.pad_token_id))):(l.push(Array(t).fill(0).concat(Array(o[e].length).fill(1))),o[e].unshift(...Array(t).fill(this.pad_token_id)))}else l.push(Array(o[e].length).fill(1))}else l=o.map(e=>Array(e.length).fill(1));if(i){if(!(n&&r)&&o.some(e=>e.length!==o[0].length))throw Error("Unable to create tensor, you should probably activate truncation and/or padding with 'padding=true' and 'truncation=true' to have batched tensors with the same length.");let e=[o.length,o[0].length];o=new ee("int64",BigInt64Array.from(o.flat().map(BigInt)),e),l=new ee("int64",BigInt64Array.from(l.flat().map(BigInt)),e)}else Array.isArray(e)||(o=o[0],l=l[0]);let h={input_ids:o,attention_mask:l};return this.prepare_model_inputs(h)}_encode_text(e){if(null===e)return null;let t=this.added_tokens_regex?e.split(this.added_tokens_regex).filter(e=>e):[e];return t.map(e=>{if(this.added_tokens.includes(e))return e;{!0===this.remove_space&&(e=e.trim().split(/\s+/).join(" ")),this.do_lowercase_and_remove_accent&&(e=e_(e.toLowerCase())),null!==this.normalizer&&(e=this.normalizer(e));let t=null!==this.pre_tokenizer?this.pre_tokenizer(e):[e];return this.model(t)}}).flat()}encode(e,t=null){let n=this._encode_text(e),r=this._encode_text(t),s=null!==this.post_processor?this.post_processor(n,r):u(n??[],r??[]);return this.model.convert_tokens_to_ids(s)}batch_decode(e,t={}){return e.map(e=>this.decode(e,t))}decode(e,t={}){if(!Array.isArray(e)||0===e.length||!c(e[0]))throw Error("token_ids must be a non-empty array of integers.");return this.decode_single(e,t)}decode_single(e,{skip_special_tokens:t=!1,clean_up_tokenization_spaces:n=null}){let r=this.model.convert_ids_to_tokens(e);t&&(r=r.filter(e=>!this.special_tokens.includes(e)));let s=this.decoder(r);return this.decoder.end_of_word_suffix&&(s=s.replaceAll(this.decoder.end_of_word_suffix," "),t&&(s=s.trim())),(n??this.clean_up_tokenization_spaces)&&(s=ep(s)),s}}function e5(e){if(e.input_ids instanceof ee)e.token_type_ids=new ee("int64",new BigInt64Array(e.input_ids.data.length),e.input_ids.dims);else if(Array.isArray(e.input_ids))Array.isArray(e.input_ids[0])?e.token_type_ids=e.input_ids.map(e=>Array(e.length).fill(0)):e.token_type_ids=Array(e.input_ids.length).fill(0);else throw Error("Input ids must be a Tensor or an Array");return e}class e9 extends e4{prepare_model_inputs(e){return e5(e)}}class e7 extends e4{prepare_model_inputs(e){return e5(e)}}class te extends e4{prepare_model_inputs(e){return e5(e)}}class tt extends e4{prepare_model_inputs(e){return e5(e)}}class tn extends e4{prepare_model_inputs(e){return e5(e)}}class tr extends e4{prepare_model_inputs(e){return e5(e)}}class ts extends e4{prepare_model_inputs(e){return e5(e)}}class ti extends e4{}class to extends e4{}class ta extends e4{constructor(e,t){super(e,t),console.warn('WARNING: `XLMTokenizer` is not yet supported by Hugging Face\'s "fast" tokenizers library. Therefore, you may experience slightly inaccurate results.')}prepare_model_inputs(e){return e5(e)}}class tl extends e4{}class th extends e4{}class tc extends e4{}class tu extends e4{constructor(e,t){super(e,t),this.languageRegex=/^[a-z]{2}_[A-Z]{2}$/,this.language_codes=this.special_tokens.filter(e=>this.languageRegex.test(e)),this.lang_to_token=e=>e}_build_translation_inputs(e,t,n){return tk(this,e,t,n)}}class td extends tu{}class tf extends e4{}class tp extends e4{constructor(e,t){let n=".,!?…。，、।۔،",r=e.pre_tokenizer?.pretokenizers[0]?.pattern;r&&r.Regex===` ?[^(\\s|[${n}])]+`&&(r.Regex=` ?[^\\s${n}]+`),super(e,t)}}class t_ extends e4{}class tg extends e4{}class tm extends e4{}class ty extends e4{}class tw extends e4{prepare_model_inputs(e){return e5(e)}}class tb extends e4{}function tk(e,t,n,r){if(!("language_codes"in e)||!Array.isArray(e.language_codes))throw Error("Tokenizer must have `language_codes` attribute set and it should be an array of language ids.");if(!("languageRegex"in e)||!(e.languageRegex instanceof RegExp))throw Error("Tokenizer must have `languageRegex` attribute set and it should be a regular expression.");if(!("lang_to_token"in e)||"function"!=typeof e.lang_to_token)throw Error("Tokenizer must have `lang_to_token` attribute set and it should be a function.");let s=r.src_lang,i=r.tgt_lang;if(!e.language_codes.includes(i))throw Error(`Target language code "${i}" is not valid. Must be one of: {${e.language_codes.join(", ")}}`);if(void 0!==s){if(!e.language_codes.includes(s))throw Error(`Source language code "${s}" is not valid. Must be one of: {${e.language_codes.join(", ")}}`);for(let t of e.post_processor.config.single)if("SpecialToken"in t&&e.languageRegex.test(t.SpecialToken.id)){t.SpecialToken.id=e.lang_to_token(s);break}}return r.forced_bos_token_id=e.model.convert_tokens_to_ids([e.lang_to_token(i)])[0],e._call(t,n)}class tv extends e4{constructor(e,t){super(e,t),this.languageRegex=/^[a-z]{3}_[A-Z][a-z]{3}$/,this.language_codes=this.special_tokens.filter(e=>this.languageRegex.test(e)),this.lang_to_token=e=>e}_build_translation_inputs(e,t,n){return tk(this,e,t,n)}}class tx extends e4{constructor(e,t){super(e,t),this.languageRegex=/^__[a-z]{2,3}__$/,this.language_codes=this.special_tokens.filter(e=>this.languageRegex.test(e)).map(e=>e.slice(2,-2)),this.lang_to_token=e=>`__${e}__`}_build_translation_inputs(e,t,n){return tk(this,e,t,n)}}let tE=[["en","english"],["zh","chinese"],["de","german"],["es","spanish"],["ru","russian"],["ko","korean"],["fr","french"],["ja","japanese"],["pt","portuguese"],["tr","turkish"],["pl","polish"],["ca","catalan"],["nl","dutch"],["ar","arabic"],["sv","swedish"],["it","italian"],["id","indonesian"],["hi","hindi"],["fi","finnish"],["vi","vietnamese"],["he","hebrew"],["uk","ukrainian"],["el","greek"],["ms","malay"],["cs","czech"],["ro","romanian"],["da","danish"],["hu","hungarian"],["ta","tamil"],["no","norwegian"],["th","thai"],["ur","urdu"],["hr","croatian"],["bg","bulgarian"],["lt","lithuanian"],["la","latin"],["mi","maori"],["ml","malayalam"],["cy","welsh"],["sk","slovak"],["te","telugu"],["fa","persian"],["lv","latvian"],["bn","bengali"],["sr","serbian"],["az","azerbaijani"],["sl","slovenian"],["kn","kannada"],["et","estonian"],["mk","macedonian"],["br","breton"],["eu","basque"],["is","icelandic"],["hy","armenian"],["ne","nepali"],["mn","mongolian"],["bs","bosnian"],["kk","kazakh"],["sq","albanian"],["sw","swahili"],["gl","galician"],["mr","marathi"],["pa","punjabi"],["si","sinhala"],["km","khmer"],["sn","shona"],["yo","yoruba"],["so","somali"],["af","afrikaans"],["oc","occitan"],["ka","georgian"],["be","belarusian"],["tg","tajik"],["sd","sindhi"],["gu","gujarati"],["am","amharic"],["yi","yiddish"],["lo","lao"],["uz","uzbek"],["fo","faroese"],["ht","haitian creole"],["ps","pashto"],["tk","turkmen"],["nn","nynorsk"],["mt","maltese"],["sa","sanskrit"],["lb","luxembourgish"],["my","myanmar"],["bo","tibetan"],["tl","tagalog"],["mg","malagasy"],["as","assamese"],["tt","tatar"],["haw","hawaiian"],["ln","lingala"],["ha","hausa"],["ba","bashkir"],["jw","javanese"],["su","sundanese"]],tA=new Map(tE),tM=new Map([...tE.map(([e,t])=>[t,e]),["burmese","my"],["valencian","ca"],["flemish","nl"],["haitian","ht"],["letzeburgesch","lb"],["pushto","ps"],["panjabi","pa"],["moldavian","ro"],["moldovan","ro"],["sinhalese","si"],["castilian","es"]]);class tT extends e4{_decode_asr(e,{return_timestamps:t=!1,return_language:n=!1,time_precision:r=null,force_full_sequences:s=!0}={}){if(null===r)throw Error("Must specify time_precision");let i=null,o="word"===t;function a(){return{language:i,timestamp:[null,null],text:""}}let l=[],h=a(),c=0,u=this.model.convert_tokens_to_ids(["<|notimestamps|>"])[0]+1,d=[],f=[],p=!1,_=null,g=new Set(this.all_special_ids);for(let n of e){let e=n.tokens,s=o?n.token_timestamps:null,m=null,y=u;if("stride"in n){let[t,s,i]=n.stride;if(c-=s,_=t-i,s&&(y=s/r+u),i)for(let t=e.length-1;t>=0;--t){let n=e[t];if(n>=u){if(null!==m&&(n-u)*r<_)break;m=n}}}let w=[],b=[];for(let n=0;n=u){let e=(_-u)*r+c,t=J(e,2);if(null!==m&&_>=m)p=!0;else if(p||d.length>0&&_0?(d.push(w),o&&f.push(b)):d.every(e=>0===e.length)&&(h=a(),d=[],w=[],f=[],b=[])}if(d.length>0){if(s&&t)throw Error("Whisper did not predict an ending timestamp, which can happen if audio is cut off in the middle of a word. Also make sure WhisperTimeStampLogitsProcessor was used during generation.");let[e,n]=this.findLongestCommonSequence(d,f),r=this.decode(e);h.text=r,o&&(h.words=this.collateWordTimestamps(e,n,i)),l.push(h)}let m=Object.create(null),y=l.map(e=>e.text).join("");if(t||n){for(let e=0;e0,o=i?[]:null,a=i?t[0]:null;for(let l=1;le===f[t]).length,_=p/e+t;p>1&&_>c&&(c=_,u=[s,i,a,l])}let[f,p,_,g]=u,m=Math.floor((p+f)/2),y=Math.floor((g+_)/2);s.push(...n.slice(0,m)),r=(n=h.slice(y)).length,i&&(o.push(...a.slice(0,m)),a=t[l].slice(y))}return(s.push(...n),i)?(o.push(...a),[s,o]):[s,[]]}collateWordTimestamps(e,t,n){let[r,s,i]=this.combineTokensIntoWords(e,n),o=[];for(let e=0;e=r){let e=(t-r)*n;e=J(e,2),s.push(`<|${e}|>`),s.push([])}else s[s.length-1].push(t);return(s=s.map(e=>"string"==typeof e?e:super.decode(e,t))).join("")}splitTokensOnUnicode(e){let t=this.decode(e,{decode_with_timestamps:!0}),n=[],r=[],s=[],i=[],o=[],a=0;for(let l=0;l=this.model.tokens_to_ids.get("<|endoftext|>"),d=l.startsWith(" "),f=l.trim(),p=a.test(f);if(u||d||p||0===s.length)s.push(l),i.push(h),o.push(c);else{let e=s.length-1;s[e]+=l,i[e].push(...h),o[e].push(...c)}}return[s,i,o]}mergePunctuations(e,t,n,r,s){let i=structuredClone(e),o=structuredClone(t),a=structuredClone(n),l=i.length-2,h=i.length-1;for(;l>=0;)i[l].startsWith(" ")&&r.includes(i[l].trim())?(i[h]=i[l]+i[h],o[h]=u(o[l],o[h]),a[h]=u(a[l],a[h]),i[l]="",o[l]=[],a[l]=[]):h=l,--l;for(l=0,h=1;he),o.filter(e=>e.length>0),a.filter(e=>e.length>0)]}get_decoder_prompt_ids({language:e=null,task:t=null,no_timestamps:n=!0}={}){let r=[];if(e){e=e.toLowerCase();let t=tM.get(e);if(void 0===t){if(tA.has(e))t=e;else{let t=2===e.length,n=t?tA.keys():tA.values();throw Error(`Language "${e}" is not supported. Must be one of: ${JSON.stringify(n)}`)}}let n=this.model.tokens_to_ids.get(`<|${t}|>`);if(void 0===n)throw Error(`Unable to find language "${t}" in model vocabulary. Please report this issue at https://github.com/xenova/transformers.js/issues/new/choose.`);r.push(n)}else r.push(null);if(t){if("transcribe"!==(t=t.toLowerCase())&&"translate"!==t)throw Error(`Task "${t}" is not supported. Must be one of: ["transcribe", "translate"]`);let e=this.model.tokens_to_ids.get(`<|${t}|>`);if(void 0===e)throw Error(`Unable to find task "${t}" in model vocabulary. Please report this issue at https://github.com/xenova/transformers.js/issues/new/choose.`);r.push(e)}else r.push(null);if(n){let e=this.model.tokens_to_ids.get("<|notimestamps|>");if(void 0===e)throw Error('Unable to find "<|notimestamps|>" in model vocabulary. Please report this issue at https://github.com/xenova/transformers.js/issues/new/choose.');r.push(e)}return r.map((e,t)=>[t+1,e]).filter(e=>null!==e[1])}}class tB extends e4{}class tC extends e4{}class tS extends e4{constructor(e,t){super(e,t),this.languageRegex=/^(>>\w+<<)\s*/g,this.supported_language_codes=this.model.vocab.filter(e=>this.languageRegex.test(e)),console.warn('WARNING: `MarianTokenizer` is not yet supported by Hugging Face\'s "fast" tokenizers library. Therefore, you may experience slightly inaccurate results.')}_encode_text(e){if(null===e)return null;let[t,...n]=e.trim().split(this.languageRegex);if(0===n.length)return super._encode_text(t);if(2===n.length){let[e,t]=n;return this.supported_language_codes.includes(e)||console.warn(`Unsupported language code "${e}" detected, which may lead to unexpected behavior. Should be one of: ${JSON.stringify(this.supported_language_codes)}`),u([e],super._encode_text(t))}}}class tI extends e4{}class tz{static TOKENIZER_CLASS_MAPPING={T5Tokenizer:tl,DistilBertTokenizer:ti,CamembertTokenizer:to,DebertaTokenizer:tn,DebertaV2Tokenizer:tr,BertTokenizer:e9,HerbertTokenizer:ts,XLMTokenizer:ta,MobileBertTokenizer:te,SqueezeBertTokenizer:tt,AlbertTokenizer:e7,GPT2Tokenizer:th,BartTokenizer:tc,MBartTokenizer:tu,MBart50Tokenizer:td,RobertaTokenizer:tf,WhisperTokenizer:tT,CodeGenTokenizer:tB,CLIPTokenizer:tC,MarianTokenizer:tS,BloomTokenizer:tp,NllbTokenizer:tv,M2M100Tokenizer:tx,LlamaTokenizer:t_,CodeLlamaTokenizer:tg,XLMRobertaTokenizer:tm,MPNetTokenizer:ty,FalconTokenizer:tw,GPTNeoXTokenizer:tb,Wav2Vec2CTCTokenizer:tI,PreTrainedTokenizer:e4};static async from_pretrained(e,{quantized:t=!0,progress_callback:n=null,config:r=null,cache_dir:s=null,local_files_only:i=!1,revision:o="main"}={}){let[a,l]=await eu(e,{quantized:t,progress_callback:n,config:r,cache_dir:s,local_files_only:i,revision:o}),h=l.tokenizer_class.replace(/Fast$/,""),c=this.TOKENIZER_CLASS_MAPPING[h];return c||(console.warn(`Unknown tokenizer class "${h}", attempting to construct from base class.`),c=e4),new c(a,l)}}async function tL(e,t){return await G(e,"config.json",!0,t)}class tU{constructor(e){this.model_type=null,this.is_encoder_decoder=!1,Object.assign(this,e)}static async from_pretrained(e,{progress_callback:t=null,config:n=null,cache_dir:r=null,local_files_only:s=!1,revision:i="main"}={}){let o=n??await tL(e,{progress_callback:t,config:n,cache_dir:r,local_files_only:s,revision:i});return new this(o)}}class tR{static async from_pretrained(...e){return tU.from_pretrained(...e)}}class tj extends h{constructor(){super(),this.processors=[]}push(e){this.processors.push(e)}extend(e){this.processors.push(...e)}_call(e,t){for(let n of t)this.processors.forEach(t=>t(e,n))}[Symbol.iterator](){return this.processors.values()}}class tF extends h{_call(e,t){throw Error("`_call` should be implemented in a subclass")}}class tO extends tF{constructor(e){super(),this.force_token_map=Object.fromEntries(e??[])}_call(e,t){let n=this.force_token_map[e.length];return null!=n&&(t.data.fill(-1/0),t.data[n]=0),t}}class tP extends tF{constructor(e){super(),this.bos_token_id=e}_call(e,t){return 1===e.length&&(t.data.fill(-1/0),t.data[this.bos_token_id]=0),t}}class t$ extends tF{constructor(e,t){super(),this.max_length=e,this.forced_eos_token_id=t}_call(e,t){}}class tN extends tF{constructor(e,t){super(),this.begin_suppress_tokens=e,this.begin_index=t}_call(e,t){if(e.length===this.begin_index)for(let e of this.begin_suppress_tokens)t.data[e]=-1/0;return t}}class tq extends tF{constructor(e){super(),this.eos_token_id=e.eos_token_id,this.no_timestamps_token_id=e.no_timestamps_token_id,this.timestamp_begin=this.no_timestamps_token_id+1,this.begin_index=(e.forced_decoder_ids||[]).length+2,e.forced_decoder_ids.slice(-1)[0][1]===this.no_timestamps_token_id&&(this.begin_index-=1),this.max_initial_timestamp_index=e.max_initial_timestamp_index}_call(e,t){if(t.data[this.no_timestamps_token_id]=-1/0,e.length===this.begin_index-1)return t.data.fill(-1/0),t.data[this.timestamp_begin]=0,t;let n=e.slice(this.begin_index),r=n.length>=1&&n[n.length-1]>=this.timestamp_begin,s=n.length<2||n[n.length-2]>=this.timestamp_begin;if(r&&(s?t.data.subarray(this.timestamp_begin).fill(-1/0):t.data.subarray(0,this.eos_token_id).fill(-1/0)),e.length===this.begin_index&&null!==this.max_initial_timestamp_index){let e=this.timestamp_begin+this.max_initial_timestamp_index;t.data.subarray(e+1).fill(-1/0)}let i=function(e){let t=K(e),n=t.map(e=>Math.log(e));return n}(t.data),o=Math.log(i.subarray(this.timestamp_begin).map(Math.exp).reduce((e,t)=>e+t)),a=Q(i.subarray(0,this.timestamp_begin))[0];return o>a&&t.data.subarray(0,this.timestamp_begin).fill(-1/0),t}}class tD extends tF{constructor(e){super(),this.no_repeat_ngram_size=e}getNgrams(e){let t=e.length,n=[];for(let r=0;r0&&(r=r.map(e=>e/this.generation_config.temperature)),r}randomSelect(e){let t=Math.random()*e.reduce((e,t)=>e+t,0);for(let n=0;n1)return new tY(e);if(e.num_return_sequences>1)throw Error(`num_return_sequences has to be 1 when doing greedy search, but is ${e.num_return_sequences}.`);return new tX(e)}}class tX extends tK{sample(e,t=-1){return[[Q(this.getLogits(e,t))[1],0]]}}class tQ extends tK{sample(e,t=-1){let n=e.dims.at(-1);this.generation_config.top_k>0&&(n=Math.min(this.generation_config.top_k,n));let r=this.getLogits(e,t),s=X(r,n),i=K(s.map(e=>e[1]));return Array.from({length:this.generation_config.num_beams},()=>{let e=this.randomSelect(i);return[s[e][0],Math.log(i[e])]})}}class tY extends tK{sample(e,t=-1){let n=e.dims.at(-1);this.generation_config.top_k>0&&(n=Math.min(this.generation_config.top_k,n));let r=this.getLogits(e,t),s=X(r,n),i=K(s.map(e=>e[1]));return Array.from({length:this.generation_config.num_beams},(e,t)=>[s[t][0],Math.log(i[t])])}}let{InferenceSession:tJ,Tensor:tZ}=r,t0={EncoderOnly:0,EncoderDecoder:1,Seq2Seq:2,Vision2Seq:3,DecoderOnly:4},t1=new Map,t2=new Map,t6=new Map;async function t3(e,t,n){let r=`onnx/${t}${n.quantized?"_quantized":""}.onnx`,s=await W(e,r,!0,n);try{return await tJ.create(s,{executionProviders:x})}catch(e){if(1===x.length&&"wasm"===x[0])throw e;return console.warn(e),console.warn("Something went wrong during model construction (most likely a missing operation). Using `wasm` as a fallback. "),await tJ.create(s,{executionProviders:["wasm"]})}}async function t8(e,t){let n={},r=[];for(let s of e.inputNames)void 0===t[s]?r.push(s):n[s]=t[s];if(r.length>0)throw Error(`An error occurred during model execution: "Missing the following inputs: ${r.join(", ")}.`);let s=Object.keys(t).length,i=e.inputNames.length;return s>i&&console.warn(`WARNING: Too many inputs were provided (${s} > ${i}). The following inputs will be ignored: "${Object.keys(t).filter(t=>!e.inputNames.includes(t)).join(", ")}".`),n}async function t4(e,t){let n=await t8(e,t);try{let t=await e.run(n);return t=function e(t){for(let n in t)t[n]instanceof tZ?t[n]=new ee(t[n]):"object"==typeof t[n]&&e(t[n]);return t}(t)}catch(e){throw console.error(`An error occurred during model execution: "${e}".`),console.error("Inputs given to model:",n),e}}function t5(e,t){let n=e.config.pad_token_id??null,r=e.config.eos_token_id??null;c(r)&&(r=[r]);let s=-1!==t.indexOf(n),i=null===r||!r.includes(n);if(!s||!i)return new ee("int64",new BigInt64Array(t.data.length).fill(1n),t.dims);{let e=BigInt64Array.from(t.data.map(e=>e!=n));return new ee("int64",e,t.dims)}}function t9(e){return new ee("bool",[e],[1])}async function t7(e,t){let n=e.add_decoder_pkv??!0,{encoder_outputs:r,past_key_values:s}=t;r||(r=(await nr(e,t)).last_hidden_state);let i={input_ids:t.decoder_input_ids,encoder_hidden_states:r,use_cache_branch:t9(!!s)};e.decoder_merged_session.inputNames.includes("encoder_attention_mask")&&(i.encoder_attention_mask=t.attention_mask),e.addPastKeyValues(i,s,n);let o=await t4(e.decoder_merged_session,i),a=o.logits;s=e.getPastKeyValues(o,s);let l=e.getAttentions(o);return new ru({logits:a,past_key_values:s,encoder_outputs:r,...l})}function ne(e,t,n){let r=[],s=0,i=e.requires_attention_mask??!0,o=e.config.decoder_start_token_id;for(let n of(Array.isArray(o)||(o=[o]),t)){n.dims=[1,...n.dims];let t={inputs:n,encoder_outputs:null,prev_model_outputs:null,output_token_ids:o,done:!1,score:0,id:s++};i&&(t.attention_mask=t5(e,n)),r.push(t)}return r}async function nt(e,t){let n=e.main_input_name,r={[n]:t.inputs,decoder_input_ids:function(e){if(e instanceof ee)return e;if(0===e.length)throw Error("items must be non-empty");if(!Array.isArray(e[0]))return new ee("int64",BigInt64Array.from(e.map(e=>BigInt(e))),[1,e.length]);if(e.some(t=>t.length!==e[0].length))throw Error("Unable to create tensor, you should probably activate truncation and/or padding with 'padding=True' and/or 'truncation=True' to have batched tensors with the same length.");return new ee("int64",BigInt64Array.from(e.flat().map(e=>BigInt(e))),[e.length,e[0].length])}(t.output_token_ids.slice(-1)),encoder_outputs:t.encoder_outputs,past_key_values:t.prev_model_outputs?.past_key_values};t.attention_mask&&(r.attention_mask=t.attention_mask);let s=await e.forward(r);return t.prev_model_outputs=s,t.encoder_outputs=s.encoder_outputs,s}function nn(e,t){e.output_token_ids=[...e.output_token_ids,t]}async function nr(e,t){let n={};for(let r of e.session.inputNames)n[r]=t[r];return await t4(e.session,n)}async function ns(e,t){let{input_ids:n,past_key_values:r,attention_mask:s}=t,i={input_ids:n,attention_mask:s??t5(e,n),use_cache_branch:t9(!!r)};e.addPastKeyValues(i,r);let o=await t4(e.session,i);return{logits:o.logits,past_key_values:r=e.getPastKeyValues(o,r)}}function ni(e,t,n,r){let s=[],i=0;for(let o of t){let t,a=o.tolist().map(Number);o.dims=[1,...o.dims],r?(t=r[i]).dims=[1,...t.dims]:t=t5(e,o);let l={input:o,model_input_ids:o,attention_mask:t,prev_model_outputs:null,output_token_ids:a,num_output_tokens:n,done:!1,score:0,id:i++};s.push(l)}return s}async function no(e,t){let n=new BigInt64Array(t.output_token_ids.length).fill(1n),r={input_ids:t.model_input_ids,attention_mask:new ee("int64",n,[1,n.length]),past_key_values:t.prev_model_outputs?.past_key_values},s=await e.forward(r);return t.prev_model_outputs=s,s}function na(e,t){e.output_token_ids=[...e.output_token_ids,t],e.model_input_ids=new ee("int64",[BigInt(t)],[1,1])}class nl extends h{main_input_name="input_ids";constructor(e,t){super(),this.config=e,this.session=t;let n=t6.get(this.constructor),r=t1.get(n);this.can_generate=!1,this._runBeam=null,this._getStartBeams=null,this._updateBeam=null,this._forward=null,r===t0.DecoderOnly?(this.can_generate=!0,this._runBeam=no,this._getStartBeams=ni,this._updateBeam=na,this._forward=ns):r===t0.Seq2Seq||r===t0.Vision2Seq?(this.can_generate=!0,this._runBeam=nt,this._getStartBeams=ne,this._updateBeam=nn,this._forward=t7):(t0.EncoderDecoder,this._forward=nr)}async dispose(){let e=[];for(let t of Object.keys(this)){let n=this[t];n instanceof tJ&&e.push(n.handler.dispose())}return await Promise.all(e)}static async from_pretrained(e,{quantized:t=!0,progress_callback:n=null,config:r=null,cache_dir:s=null,local_files_only:i=!1,revision:o="main",model_file_name:a=null}={}){let l,h={quantized:t,progress_callback:n,config:r,cache_dir:s,local_files_only:i,revision:o,model_file_name:a},c=t6.get(this),u=t1.get(c);return u===t0.DecoderOnly?l=await Promise.all([tR.from_pretrained(e,h),t3(e,h.model_file_name??"decoder_model_merged",h),G(e,"generation_config.json",!1,h)]):u===t0.Seq2Seq||u===t0.Vision2Seq?l=await Promise.all([tR.from_pretrained(e,h),t3(e,"encoder_model",h),t3(e,"decoder_model_merged",h),G(e,"generation_config.json",!1,h)]):u===t0.EncoderDecoder?l=await Promise.all([tR.from_pretrained(e,h),t3(e,"encoder_model",h),t3(e,"decoder_model_merged",h)]):(u!==t0.EncoderOnly&&console.warn(`Model type for '${c}' not found, assuming encoder-only architecture. Please report this at https://github.com/xenova/transformers.js/issues/new/choose.`),l=await Promise.all([tR.from_pretrained(e,h),t3(e,h.model_file_name??"model",h)])),new this(...l)}async _call(e){return await this.forward(e)}async forward(e){return await this._forward(this,e)}_get_logits_processor(e,t,n=null){let r=new tj;if(null!==e.repetition_penalty&&1!==e.repetition_penalty&&r.push(new tW(e.repetition_penalty)),null!==e.no_repeat_ngram_size&&e.no_repeat_ngram_size>0&&r.push(new tD(e.no_repeat_ngram_size)),null!==e.min_length&&null!==e.eos_token_id&&e.min_length>0&&r.push(new tG(e.min_length,e.eos_token_id)),null!==e.min_new_tokens&&null!==e.eos_token_id&&e.min_new_tokens>0&&r.push(new tV(t,e.min_new_tokens,e.eos_token_id)),null!==e.forced_bos_token_id&&r.push(new tP(e.forced_bos_token_id)),null!==e.forced_eos_token_id&&r.push(new t$(e.max_length,e.forced_eos_token_id)),null!==e.begin_suppress_tokens){let n=t>1||null===e.forced_bos_token_id?t:t+1;null!==e.forced_decoder_ids&&(n+=e.forced_decoder_ids[e.forced_decoder_ids.length-1][0]),r.push(new tN(e.begin_suppress_tokens,n))}return null!==e.forced_decoder_ids&&r.push(new tO(e.forced_decoder_ids)),null!==n&&r.extend(n),r}_get_generation_config(e){let t=new tH(this.config);return"generation_config"in this&&Object.assign(t,this.generation_config),null!==e&&Object.assign(t,e),t}async generate(e,t=null,n=null,{inputs_attention_mask:r=null}={}){let s;if(!this.can_generate){let e=t6.get(this.constructor),t=`The current model class (${e}) is not compatible with \`.generate()\`, as it doesn't have a language model head.`,n=this.config.model_type,r=n7.get(n)??n9.get(n)??rn.get(n);throw r&&(t+=` Please use the following class instead: '${r[0]}'`),Error(t)}if(!(e instanceof ee)&&e?.prototype?.__proto__?.constructor?.name!=="TypedArray"&&!Array.isArray(e))throw Error(`\`inputs\` must be a Tensor, TypedArray, or Array, but is "${e.constructor.name}".`);if(this.config.is_encoder_decoder)s=0;else if(0===(s=e instanceof ee?e.dims.at(-1):e.length))throw Error("Must supply a non-empty array of input token ids.");t=this._get_generation_config(t),n=n??new tj,n=this._get_logits_processor(t,s,n);let i=t.eos_token_id;null===i||Array.isArray(i)||(i=[i]);let o=1,a=o+(t.max_new_tokens??1/0),l=Number.isInteger(t.max_length)&&(t.max_new_tokens??null)===null,h=tK.getSampler(t),c=this.getStartBeams(e,o,r);for(;c.some(e=>!e.done)&&o=t.max_length){r.done=!0,e.push(r);continue}let s=await this.runBeam(r);t.output_attentions&&this.addAttentionsToBeam(r,s),t.output_scores;let o=s.logits.slice(null,-1,null);for(let[t,s]of(n(r.output_token_ids,o),h(o))){let n={...r};this.updateBeam(n,t),n.score+=s,i&&i.includes(t)&&(n.done=!0),e.push(n)}}++o,c=(e=this.groupBeams(e).map(e=>e.sort((e,t)=>t.score-e.score).slice(0,t.num_beams))).flat(),t.callback_function&&t.callback_function(c)}let u=this.groupBeams(c),d=e=>u.map(n=>t.num_return_sequences>1?n.slice(0,t.num_return_sequences).map(t=>t[e]):[n[0][e]]).flat(),f=d("output_token_ids");if(!t.return_dict_in_generate)return f;{let e=d("decoder_attentions"),t=d("cross_attentions");return{sequences:f,decoder_attentions:e,cross_attentions:t}}}addAttentionsToBeam(e,t){if(this.config.is_encoder_decoder){if(!t.cross_attentions||0===t.cross_attentions.length)throw Error("`output_attentions` is true, but the model did not produce cross-attentions. This is most likely because the model was not exported with `output_attentions=True`.");e.cross_attentions||(e.cross_attentions=[]),e.cross_attentions.push(t.cross_attentions)}if(!t.decoder_attentions||0===t.decoder_attentions.length)throw Error("`output_attentions` is true, but the model did not produce decoder-attentions. This is most likely because the model was not exported with `output_attentions=True`.");e.decoder_attentions||(e.decoder_attentions=[]),e.decoder_attentions.push(t.decoder_attentions)}groupBeams(e){let t=Object.create(null);for(let n of e)void 0===t[n.id]?t[n.id]=[n]:t[n.id].push(n);return Object.values(t)}getPastKeyValues(e,t){let n=Object.create(null);for(let r in e)if(r.startsWith("present")){let s=r.replace("present","past_key_values");t&&r.includes("encoder")?n[s]=t[s]:n[s]=e[r]}return n}getAttentions(e){let t=Object.create(null);for(let n of["cross_attentions","decoder_attentions"]){let r=[];for(let t in e)if(t.startsWith(n)){let n=t.split(".").pop();r[n]=e[t]}t[n]=r}return t}addPastKeyValues(e,t,n=!1){if(t)Object.assign(e,t);else if(n){let t=[1,this.num_encoder_heads,0,this.encoder_dim_kv];for(let n=0;n{let r=Array.from({length:this.config.decoder_layers},(t,n)=>es(e.map(e=>e[n]),2)),i=function(e,t=0){return es(e.map(e=>e.unsqueeze(t)),t)}(t.map(([e,t])=>n?r[e].slice(null,t,null,[0,n]):r[e].slice(null,t))),[o,a]=function(e,t=null,n=1,r=!1){if(null===t){let t=e.data.reduce((e,t)=>e+t,0),r=t/e.data.length,s=Math.sqrt(e.data.reduce((e,t)=>e+(t-r)**2,0)/(e.data.length-n)),i=new ee(e.type,[r],[]),o=new ee(e.type,[s],[]);return[o,i]}t=er(t,e.dims.length);let s=ei(e,t,r),i=e.dims.slice();i[t]=1;let o=new e.data.constructor(e.data.length/e.dims[t]);for(let n=0;n=0;--s){let n=e.dims[s];if(s!==t){let e=o%n;r+=e*a,a*=i[s]}o=Math.floor(o/n)}o[r]+=(e.data[n]-s.data[r])**2}for(let r=0;r0||a>0;){l.push(o-1),h.push(a-1);let e=i[o][a].item();switch(e){case 0:--o,--a;break;case 1:--o;break;case 2:--a;break;default:throw Error(`Internal error in dynamic time warping. Unexpected trace[${o}, ${a}]. Please file a bug report.`)}}return l.reverse(),h.reverse(),[l,h]}(t),o=u([1],Array.from({length:n.length-1},(e,t)=>n[t+1]-n[t])).map(e=>!!e),l=[];for(let e=0;e{if(!self.OffscreenCanvas)throw Error("OffscreenCanvas not supported by this browser.");return new self.OffscreenCanvas(e,t)},o=self.createImageBitmap,i=self.ImageData;else if(rm)o=async e=>{let t=await e.metadata(),n=t.channels,{data:r,info:s}=await e.raw().toBuffer({resolveWithObject:!0}),i=new rb(new Uint8ClampedArray(r),s.width,s.height,s.channels);return void 0!==n&&n!==s.channels&&i.convert(n),i};else throw Error("Unable to load image processing library.");let rw={0:"nearest",1:"lanczos",2:"bilinear",3:"bicubic",4:"box",5:"hamming"};class rb{_CONTENT_TYPE_MAP={png:"image/png",jpg:"image/jpeg",jpeg:"image/jpeg",gif:"image/gif"};constructor(e,t,n,r){this._update(e,t,n,r)}static async read(e){if(e instanceof rb)return e;if("string"==typeof e||e instanceof String||e instanceof URL)return await this.fromURL(e);throw Error(`Unsupported input type: ${typeof e}`)}static async fromURL(e){let t=await $(e);if(200!==t.status)throw Error(`Unable to read image from "${e}" (${t.status} ${t.statusText})`);let n=await t.blob();return this.fromBlob(n)}static async fromBlob(e){if(ry){let t=await o(e),n=s(t.width,t.height).getContext("2d");return n.drawImage(t,0,0),new this(n.getImageData(0,0,t.width,t.height).data,t.width,t.height,4)}{let t=rm(await e.arrayBuffer());return await o(t)}}grayscale(){if(1===this.channels)return this;let e=new Uint8ClampedArray(this.width*this.height*1);switch(this.channels){case 3:case 4:for(let t=0,n=0;t=0?l=n:c=-n,r>=0?h=r:u=-r,a.drawImage(o,l,h,e,t,c,u,e,t),new rb(a.getImageData(0,0,e,t).data,e,t,4).convert(i)}{let s=this.toSharp();if(n>=0&&r>=0)s=s.extract({left:Math.floor(n),top:Math.floor(r),width:e,height:t});else if(n<=0&&r<=0){let i=Math.floor(-r),o=Math.floor(-n);s=s.extend({top:i,left:o,right:e-this.width-o,bottom:t-this.height-i})}else{let i=[0,0],o=0;r<0?(i[0]=Math.floor(-r),i[1]=t-this.height-i[0]):o=Math.floor(r);let a=[0,0],l=0;n<0?(a[0]=Math.floor(-n),a[1]=e-this.width-a[0]):l=Math.floor(n),s=s.extend({top:i[0],bottom:i[1],left:a[0],right:a[1]}).extract({left:l,top:o,width:e,height:t})}return await o(s)}}toCanvas(){if(!ry)throw Error("toCanvas() is only supported in browser environments.");let e=this.clone().rgba(),t=s(e.width,e.height),n=new i(e.data,e.width,e.height);return t.getContext("2d").putImageData(n,0,0),t}_update(e,t,n,r=null){return this.data=e,this.width=t,this.height=n,null!==r&&(this.channels=r),this}clone(){return new rb(this.data.slice(),this.width,this.height,this.channels)}convert(e){if(this.channels===e)return this;switch(e){case 1:this.grayscale();break;case 3:this.rgb();break;case 4:this.rgba();break;default:throw Error(`Conversion failed due to unsupported number of channels: ${this.channels}`)}return this}save(e){if(ry){let t=e.split(".").pop().toLowerCase(),n=this._CONTENT_TYPE_MAP[t]??"image/png",r=this.toCanvas(),s=r.toDataURL(n),i=document.createElement("a");i.href=s,i.download=e,i.click(),i.remove()}else if(U.useFS){let t=this.toSharp();t.toFile(e)}else throw Error("Unable to save the image because filesystem is disabled in this environment.")}toSharp(){if(ry)throw Error("toSharp() is only supported in server-side environments.");return rm(this.data,{raw:{width:this.width,height:this.height,channels:this.channels}})}}}}]); \ No newline at end of file