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51 lines
2.6 KiB
51 lines
2.6 KiB
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getDecoder = exports.addDecoder = void 0;
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const registry = new Map();
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function addDecoder(cases, importFn) {
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if (!Array.isArray(cases)) {
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cases = [cases]; // eslint-disable-line no-param-reassign
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}
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cases.forEach((c) => registry.set(c, importFn));
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}
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exports.addDecoder = addDecoder;
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async function getDecoder(fileDirectory) {
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const importFn = registry.get(fileDirectory.Compression);
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if (!importFn) {
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throw new Error(`Unknown compression method identifier: ${fileDirectory.Compression}`);
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}
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const Decoder = await importFn();
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return new Decoder(fileDirectory);
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}
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exports.getDecoder = getDecoder;
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// Add default decoders to registry (end-user may override with other implementations)
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addDecoder([undefined, 1], () => Promise.resolve().then(() => __importStar(require('./raw.js'))).then((m) => m.default));
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addDecoder(5, () => Promise.resolve().then(() => __importStar(require('./lzw.js'))).then((m) => m.default));
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addDecoder(6, () => {
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throw new Error('old style JPEG compression is not supported.');
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});
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addDecoder(7, () => Promise.resolve().then(() => __importStar(require('./jpeg.js'))).then((m) => m.default));
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addDecoder([8, 32946], () => Promise.resolve().then(() => __importStar(require('./deflate.js'))).then((m) => m.default));
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addDecoder(32773, () => Promise.resolve().then(() => __importStar(require('./packbits.js'))).then((m) => m.default));
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addDecoder(34887, () => Promise.resolve().then(() => __importStar(require('./lerc.js'))).then((m) => m.default));
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addDecoder(50001, () => Promise.resolve().then(() => __importStar(require('./webimage.js'))).then((m) => m.default));
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//# sourceMappingURL=index.js.map
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