45 lines
1.9 KiB
JavaScript
45 lines
1.9 KiB
JavaScript
"use strict";
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// Cache system is a bit outdated and could do with work
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.default = (function (window, options, logger) {
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var cache = null;
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if (options.env !== 'development') {
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try {
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cache = (typeof window.localStorage === 'undefined') ? null : window.localStorage;
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}
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catch (_) { }
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}
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return {
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setCSS: function (path, lastModified, modifyVars, styles) {
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if (cache) {
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logger.info("saving ".concat(path, " to cache."));
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try {
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cache.setItem(path, styles);
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cache.setItem("".concat(path, ":timestamp"), lastModified);
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if (modifyVars) {
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cache.setItem("".concat(path, ":vars"), JSON.stringify(modifyVars));
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}
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}
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catch (e) {
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// TODO - could do with adding more robust error handling
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logger.error("failed to save \"".concat(path, "\" to local storage for caching."));
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}
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}
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},
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getCSS: function (path, webInfo, modifyVars) {
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var css = cache && cache.getItem(path);
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var timestamp = cache && cache.getItem("".concat(path, ":timestamp"));
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var vars = cache && cache.getItem("".concat(path, ":vars"));
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modifyVars = modifyVars || {};
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vars = vars || '{}'; // if not set, treat as the JSON representation of an empty object
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if (timestamp && webInfo.lastModified &&
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(new Date(webInfo.lastModified).valueOf() ===
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new Date(timestamp).valueOf()) &&
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JSON.stringify(modifyVars) === vars) {
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// Use local copy
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return css;
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}
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}
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};
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});
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//# sourceMappingURL=cache.js.map
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