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							- "use strict";
 
- Object.defineProperty(exports, "__esModule", {
 
-   value: true
 
- });
 
- exports.default = void 0;
 
- var _os = _interopRequireDefault(require("os"));
 
- var _cacache = _interopRequireDefault(require("cacache"));
 
- var _findCacheDir = _interopRequireDefault(require("find-cache-dir"));
 
- var _serializeJavascript = _interopRequireDefault(require("serialize-javascript"));
 
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
- class Webpack4Cache {
 
-   constructor(compilation, options, weakCache) {
 
-     this.cache = options.cache === true ? Webpack4Cache.getCacheDirectory() : options.cache;
 
-     this.weakCache = weakCache;
 
-   }
 
-   static getCacheDirectory() {
 
-     return (0, _findCacheDir.default)({
 
-       name: "compression-webpack-plugin"
 
-     }) || _os.default.tmpdir();
 
-   }
 
-   async get(cacheData, {
 
-     RawSource
 
-   }) {
 
-     if (!this.cache) {
 
-       // eslint-disable-next-line no-undefined
 
-       return undefined;
 
-     }
 
-     const weakOutput = this.weakCache.get(cacheData.inputSource);
 
-     if (weakOutput) {
 
-       return weakOutput;
 
-     } // eslint-disable-next-line no-param-reassign
 
-     cacheData.cacheIdent = cacheData.cacheIdent || (0, _serializeJavascript.default)(cacheData.cacheKeys);
 
-     let cachedResult;
 
-     try {
 
-       cachedResult = await _cacache.default.get(this.cache, cacheData.cacheIdent);
 
-     } catch (ignoreError) {
 
-       // eslint-disable-next-line no-undefined
 
-       return undefined;
 
-     }
 
-     return new RawSource(Buffer.from(JSON.parse(cachedResult.data).data));
 
-   }
 
-   async store(cacheData) {
 
-     if (!this.cache) {
 
-       // eslint-disable-next-line no-undefined
 
-       return undefined;
 
-     }
 
-     if (!this.weakCache.has(cacheData.inputSource)) {
 
-       this.weakCache.set(cacheData.inputSource, cacheData.output);
 
-     }
 
-     const {
 
-       cacheIdent,
 
-       output
 
-     } = cacheData;
 
-     return _cacache.default.put(this.cache, cacheIdent, JSON.stringify(output.source()));
 
-   }
 
- }
 
- exports.default = Webpack4Cache;
 
 
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