70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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clearManifestCache: null,
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evalManifest: null,
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loadManifest: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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clearManifestCache: function() {
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return clearManifestCache;
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},
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evalManifest: function() {
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return evalManifest;
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},
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loadManifest: function() {
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return loadManifest;
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}
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});
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const _fs = require("fs");
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const _vm = require("vm");
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const _deepfreeze = require("../shared/lib/deep-freeze");
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const sharedCache = new Map();
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function loadManifest(path, shouldCache = true, cache = sharedCache) {
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const cached = shouldCache && cache.get(path);
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if (cached) {
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return cached;
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}
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let manifest = JSON.parse((0, _fs.readFileSync)(path, "utf8"));
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// Freeze the manifest so it cannot be modified if we're caching it.
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if (shouldCache) {
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manifest = (0, _deepfreeze.deepFreeze)(manifest);
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}
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if (shouldCache) {
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cache.set(path, manifest);
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}
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return manifest;
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}
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function evalManifest(path, shouldCache = true, cache = sharedCache) {
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const cached = shouldCache && cache.get(path);
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if (cached) {
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return cached;
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}
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const content = (0, _fs.readFileSync)(path, "utf8");
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if (content.length === 0) {
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throw new Error("Manifest file is empty");
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}
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let contextObject = {};
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(0, _vm.runInNewContext)(content, contextObject);
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// Freeze the context object so it cannot be modified if we're caching it.
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if (shouldCache) {
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contextObject = (0, _deepfreeze.deepFreeze)(contextObject);
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}
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if (shouldCache) {
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cache.set(path, contextObject);
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}
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return contextObject;
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}
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function clearManifestCache(path, cache = sharedCache) {
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return cache.delete(path);
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}
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//# sourceMappingURL=load-manifest.js.map
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