Webpack4Cache.js
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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: 'terser-webpack-plugin'
}) || _os.default.tmpdir();
}
async get(cacheData, {
RawSource,
ConcatSource,
SourceMapSource
}) {
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;
}
cachedResult = JSON.parse(cachedResult.data);
if (cachedResult.target === 'comments') {
return new ConcatSource(cachedResult.value);
}
const {
code,
name,
map,
input,
inputSourceMap,
extractedComments,
banner,
shebang
} = cachedResult;
if (map) {
cachedResult.source = new SourceMapSource(code, name, map, input, inputSourceMap, true);
} else {
cachedResult.source = new RawSource(code);
}
if (banner) {
cachedResult.source = new ConcatSource(shebang ? `${shebang}\n` : '', `/*! ${banner} */\n`, cachedResult.source);
}
if (extractedComments) {
cachedResult.extractedCommentsSource = new RawSource(extractedComments);
}
return cachedResult;
}
async store(cacheData) {
if (!this.cache) {
// eslint-disable-next-line no-undefined
return undefined;
}
if (!this.weakCache.has(cacheData.inputSource)) {
if (cacheData.target === 'comments') {
this.weakCache.set(cacheData.inputSource, cacheData.output);
} else {
this.weakCache.set(cacheData.inputSource, cacheData);
}
}
let data;
if (cacheData.target === 'comments') {
data = {
target: cacheData.target,
value: cacheData.output.source()
};
} else {
data = {
code: cacheData.code,
name: cacheData.name,
map: cacheData.map,
input: cacheData.input,
inputSourceMap: cacheData.inputSourceMap,
banner: cacheData.banner,
shebang: cacheData.shebang
};
if (cacheData.extractedCommentsSource) {
data.extractedComments = cacheData.extractedCommentsSource.source();
data.commentsFilename = cacheData.commentsFilename;
}
}
return _cacache.default.put(this.cache, cacheData.cacheIdent, JSON.stringify(data));
}
}
exports.default = Webpack4Cache;