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36 lines
No EOL
2.7 KiB
JavaScript
36 lines
No EOL
2.7 KiB
JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
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function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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import { ReadStream } from 'fs';
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import isStream from 'is-stream';
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import BufferSource from './sources/BufferSource.js';
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import getFileSource from './sources/FileSource.js';
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import StreamSource from './sources/StreamSource.js';
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var FileReader = /*#__PURE__*/function () {
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function FileReader() {
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_classCallCheck(this, FileReader);
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}
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return _createClass(FileReader, [{
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key: "openFile",
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value: function openFile(input, chunkSize) {
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if (Buffer.isBuffer(input)) {
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return Promise.resolve(new BufferSource(input));
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}
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if (input instanceof ReadStream && input.path != null) {
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return getFileSource(input);
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}
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if (isStream.readable(input)) {
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chunkSize = Number(chunkSize);
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if (!Number.isFinite(chunkSize)) {
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return Promise.reject(new Error('cannot create source for stream without a finite value for the `chunkSize` option; specify a chunkSize to control the memory consumption'));
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}
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return Promise.resolve(new StreamSource(input));
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}
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return Promise.reject(new Error('source object may only be an instance of Buffer or Readable in this environment'));
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}
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}]);
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}();
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export { FileReader as default }; |