mplayer/srt2vtt.js at master · mrmowji/mplayer · GitHub

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// Copied from https://imshaikot.github.io/srt-webvtt/
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props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar WebVTTConverter = function () {\n  function WebVTTConverter(resource) {\n    _classCallCheck(this, WebVTTConverter);\n\n    this.resource = resource;\n  }\n\n  _createClass(WebVTTConverter, [{\n    key: 'blobToBuffer',\n    value: function blobToBuffer() {\n      var _this = this;\n\n      return new Promise(function (resolve, reject) {\n        var reader = new FileReader();\n        reader.addEventListener('loadend', function (event) {\n          var buf = event.target.result;\n          resolve(new Uint8Array(buf));\n        });\n        reader.addEventListener('error', function () {\n          return reject('Error while reading the Blob object');\n        });\n        reader.readAsArrayBuffer(_this.resource);\n      });\n    }\n    /**\n     * @param {*} blob\n     * @param {*} success\n     * @param {*} fail\n     */\n\n  }, {\n    key: 'getURL',\n    value: function getURL() {\n      var _this2 = this;\n\n      return new Promise(function (resolve, reject) {\n        if (!(_this2.resource instanceof Blob)) return reject('Expecting resource to be a Blob but something else found.');\n        if (!FileReader) return reject('No FileReader constructor found');\n        if (!TextDecoder) return reject('No TextDecoder constructor found');\n        return WebVTTConverter.blobToString(_this2.resource, function (decoded) {\n          var vttString = 'WEBVTT FILE\\r\\n\\r\\n';\n          var text = vttString.concat(WebVTTConverter.toVTT(decoded));\n          var blob = new Blob([text], { type: 'text/vtt' });\n          _this2.objectURL = URL.createObjectURL(blob);\n          return resolve(_this2.objectURL);\n        }, function () {\n          _this2.blobToBuffer().then(function (buffer) {\n            var utf8str = new TextDecoder('utf-8').decode(buffer);\n            var vttString = 'WEBVTT FILE\\r\\n\\r\\n';\n            var text = vttString.concat(WebVTTConverter.toVTT(utf8str));\n            var blob = new Blob([text], { type: 'text/vtt' });\n            _this2.objectURL = URL.createObjectURL(blob);\n            return resolve(_this2.objectURL);\n          });\n        });\n      });\n    }\n  }, {\n    key: 'release',\n    value: function release() {\n      URL.createObjectURL(this.objectURL);\n    }\n  }], [{\n    key: 'blobToString',\n    value: function blobToString(blob, success, fail) {\n      var reader = new FileReader();\n      reader.addEventListener('loadend', function (event) {\n        var text = event.target.result;\n        success(text);\n      });\n      reader.addEventListener('error', function () {\n        return fail();\n      });\n      reader.readAsText(blob);\n    }\n    /**\n     * @param {*} utf8str\n     */\n\n  }, {\n    key: 'toVTT',\n    value: function toVTT(utf8str) {\n      return utf8str.replace(/\\{\\\\([ibu])\\}/g, '</$1>').replace(/\\{\\\\([ibu])1\\}/g, '<$1>').replace(/\\{([ibu])\\}/g, '<$1>').replace(/\\{\\/([ibu])\\}/g, '</$1>').replace(/(\\d\\d:\\d\\d:\\d\\d),(\\d\\d\\d)/g, '$1.$2').concat('\\r\\n\\r\\n');\n    }\n    /**\n     * @param {*} str\n     */\n\n  }, {\n    key: 'toTypedArray',\n    value: function toTypedArray(str) {\n      var result = [];\n      str.split('').forEach(function (each) {\n        result.push(parseInt(each.charCodeAt(), 16));\n      });\n      return Uint8Array.from(result);\n    }\n  }]);\n\n  return WebVTTConverter;\n}();\n\nwindow.WebVTTConverter = WebVTTConverter;\nexports.default = WebVTTConverter;//# sourceURL=[module]\n//# 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