Merge pull request #508 from stonefruit/add-language-constant

Add languages constant for languages with traineddata

src/constants/languages.js

@@ -0,0 +1,218 @@
+/*
+ * languages with existing tesseract traineddata
+ * https://tesseract-ocr.github.io/tessdoc/Data-Files#data-files-for-version-400-november-29-2016
+ */
+
+/**
+ * @typedef {object} Languages
+ * @property {string} AFR Afrikaans
+ * @property {string} AMH Amharic
+ * @property {string} ARA Arabic
+ * @property {string} ASM Assamese
+ * @property {string} AZE Azerbaijani
+ * @property {string} AZE_CYRL Azerbaijani - Cyrillic
+ * @property {string} BEL Belarusian
+ * @property {string} BEN Bengali
+ * @property {string} BOD Tibetan
+ * @property {string} BOS Bosnian
+ * @property {string} BUL Bulgarian
+ * @property {string} CAT Catalan; Valencian
+ * @property {string} CEB Cebuano
+ * @property {string} CES Czech
+ * @property {string} CHI_SIM Chinese - Simplified
+ * @property {string} CHI_TRA Chinese - Traditional
+ * @property {string} CHR Cherokee
+ * @property {string} CYM Welsh
+ * @property {string} DAN Danish
+ * @property {string} DEU German
+ * @property {string} DZO Dzongkha
+ * @property {string} ELL Greek, Modern (1453-)
+ * @property {string} ENG English
+ * @property {string} ENM English, Middle (1100-1500)
+ * @property {string} EPO Esperanto
+ * @property {string} EST Estonian
+ * @property {string} EUS Basque
+ * @property {string} FAS Persian
+ * @property {string} FIN Finnish
+ * @property {string} FRA French
+ * @property {string} FRK German Fraktur
+ * @property {string} FRM French, Middle (ca. 1400-1600)
+ * @property {string} GLE Irish
+ * @property {string} GLG Galician
+ * @property {string} GRC Greek, Ancient (-1453)
+ * @property {string} GUJ Gujarati
+ * @property {string} HAT Haitian; Haitian Creole
+ * @property {string} HEB Hebrew
+ * @property {string} HIN Hindi
+ * @property {string} HRV Croatian
+ * @property {string} HUN Hungarian
+ * @property {string} IKU Inuktitut
+ * @property {string} IND Indonesian
+ * @property {string} ISL Icelandic
+ * @property {string} ITA Italian
+ * @property {string} ITA_OLD Italian - Old
+ * @property {string} JAV Javanese
+ * @property {string} JPN Japanese
+ * @property {string} KAN Kannada
+ * @property {string} KAT Georgian
+ * @property {string} KAT_OLD Georgian - Old
+ * @property {string} KAZ Kazakh
+ * @property {string} KHM Central Khmer
+ * @property {string} KIR Kirghiz; Kyrgyz
+ * @property {string} KOR Korean
+ * @property {string} KUR Kurdish
+ * @property {string} LAO Lao
+ * @property {string} LAT Latin
+ * @property {string} LAV Latvian
+ * @property {string} LIT Lithuanian
+ * @property {string} MAL Malayalam
+ * @property {string} MAR Marathi
+ * @property {string} MKD Macedonian
+ * @property {string} MLT Maltese
+ * @property {string} MSA Malay
+ * @property {string} MYA Burmese
+ * @property {string} NEP Nepali
+ * @property {string} NLD Dutch; Flemish
+ * @property {string} NOR Norwegian
+ * @property {string} ORI Oriya
+ * @property {string} PAN Panjabi; Punjabi
+ * @property {string} POL Polish
+ * @property {string} POR Portuguese
+ * @property {string} PUS Pushto; Pashto
+ * @property {string} RON Romanian; Moldavian; Moldovan
+ * @property {string} RUS Russian
+ * @property {string} SAN Sanskrit
+ * @property {string} SIN Sinhala; Sinhalese
+ * @property {string} SLK Slovak
+ * @property {string} SLV Slovenian
+ * @property {string} SPA Spanish; Castilian
+ * @property {string} SPA_OLD Spanish; Castilian - Old
+ * @property {string} SQI Albanian
+ * @property {string} SRP Serbian
+ * @property {string} SRP_LATN Serbian - Latin
+ * @property {string} SWA Swahili
+ * @property {string} SWE Swedish
+ * @property {string} SYR Syriac
+ * @property {string} TAM Tamil
+ * @property {string} TEL Telugu
+ * @property {string} TGK Tajik
+ * @property {string} TGL Tagalog
+ * @property {string} THA Thai
+ * @property {string} TIR Tigrinya
+ * @property {string} TUR Turkish
+ * @property {string} UIG Uighur; Uyghur
+ * @property {string} UKR Ukrainian
+ * @property {string} URD Urdu
+ * @property {string} UZB Uzbek
+ * @property {string} UZB_CYRL Uzbek - Cyrillic
+ * @property {string} VIE Vietnamese
+ * @property {string} YID Yiddish
+ */
+
+/**
+  * @type {Languages}
+  */
+module.exports = {
+  AFR: 'afr',
+  AMH: 'amh',
+  ARA: 'ara',
+  ASM: 'asm',
+  AZE: 'aze',
+  AZE_CYRL: 'aze_cyrl',
+  BEL: 'bel',
+  BEN: 'ben',
+  BOD: 'bod',
+  BOS: 'bos',
+  BUL: 'bul',
+  CAT: 'cat',
+  CEB: 'ceb',
+  CES: 'ces',
+  CHI_SIM: 'chi_sim',
+  CHI_TRA: 'chi_tra',
+  CHR: 'chr',
+  CYM: 'cym',
+  DAN: 'dan',
+  DEU: 'deu',
+  DZO: 'dzo',
+  ELL: 'ell',
+  ENG: 'eng',
+  ENM: 'enm',
+  EPO: 'epo',
+  EST: 'est',
+  EUS: 'eus',
+  FAS: 'fas',
+  FIN: 'fin',
+  FRA: 'fra',
+  FRK: 'frk',
+  FRM: 'frm',
+  GLE: 'gle',
+  GLG: 'glg',
+  GRC: 'grc',
+  GUJ: 'guj',
+  HAT: 'hat',
+  HEB: 'heb',
+  HIN: 'hin',
+  HRV: 'hrv',
+  HUN: 'hun',
+  IKU: 'iku',
+  IND: 'ind',
+  ISL: 'isl',
+  ITA: 'ita',
+  ITA_OLD: 'ita_old',
+  JAV: 'jav',
+  JPN: 'jpn',
+  KAN: 'kan',
+  KAT: 'kat',
+  KAT_OLD: 'kat_old',
+  KAZ: 'kaz',
+  KHM: 'khm',
+  KIR: 'kir',
+  KOR: 'kor',
+  KUR: 'kur',
+  LAO: 'lao',
+  LAT: 'lat',
+  LAV: 'lav',
+  LIT: 'lit',
+  MAL: 'mal',
+  MAR: 'mar',
+  MKD: 'mkd',
+  MLT: 'mlt',
+  MSA: 'msa',
+  MYA: 'mya',
+  NEP: 'nep',
+  NLD: 'nld',
+  NOR: 'nor',
+  ORI: 'ori',
+  PAN: 'pan',
+  POL: 'pol',
+  POR: 'por',
+  PUS: 'pus',
+  RON: 'ron',
+  RUS: 'rus',
+  SAN: 'san',
+  SIN: 'sin',
+  SLK: 'slk',
+  SLV: 'slv',
+  SPA: 'spa',
+  SPA_OLD: 'spa_old',
+  SQI: 'sqi',
+  SRP: 'srp',
+  SRP_LATN: 'srp_latn',
+  SWA: 'swa',
+  SWE: 'swe',
+  SYR: 'syr',
+  TAM: 'tam',
+  TEL: 'tel',
+  TGK: 'tgk',
+  TGL: 'tgl',
+  THA: 'tha',
+  TIR: 'tir',
+  TUR: 'tur',
+  UIG: 'uig',
+  UKR: 'ukr',
+  URD: 'urd',
+  UZB: 'uzb',
+  UZB_CYRL: 'uzb_cyrl',
+  VIE: 'vie',
+  YID: 'yid',
+};

src/index.js

@@ -11,11 +11,13 @@ require('regenerator-runtime/runtime');
 const createScheduler = require('./createScheduler');
 const createWorker = require('./createWorker');
 const Tesseract = require('./Tesseract');
+const languages = require('./constants/languages');
 const OEM = require('./constants/OEM');
 const PSM = require('./constants/PSM');
 const { setLogging } = require('./utils/log');
 
 module.exports = {
+  languages,
   OEM,
   PSM,
   createScheduler,