| 1 | "use strict";
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| 2 | // Cache system is a bit outdated and could do with work
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| 3 | Object.defineProperty(exports, "__esModule", { value: true });
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| 4 | exports.default = (function (window, options, logger) {
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| 5 | var cache = null;
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| 6 | if (options.env !== 'development') {
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| 7 | try {
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| 8 | cache = (typeof window.localStorage === 'undefined') ? null : window.localStorage;
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| 9 | }
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| 10 | catch (_) { }
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| 11 | }
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| 12 | return {
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| 13 | setCSS: function (path, lastModified, modifyVars, styles) {
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| 14 | if (cache) {
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| 15 | logger.info("saving " + path + " to cache.");
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| 16 | try {
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| 17 | cache.setItem(path, styles);
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| 18 | cache.setItem(path + ":timestamp", lastModified);
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| 19 | if (modifyVars) {
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| 20 | cache.setItem(path + ":vars", JSON.stringify(modifyVars));
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| 21 | }
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| 22 | }
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| 23 | catch (e) {
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| 24 | // TODO - could do with adding more robust error handling
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| 25 | logger.error("failed to save \"" + path + "\" to local storage for caching.");
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| 26 | }
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| 27 | }
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| 28 | },
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| 29 | getCSS: function (path, webInfo, modifyVars) {
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| 30 | var css = cache && cache.getItem(path);
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| 31 | var timestamp = cache && cache.getItem(path + ":timestamp");
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| 32 | var vars = cache && cache.getItem(path + ":vars");
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| 33 | modifyVars = modifyVars || {};
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| 34 | vars = vars || "{}"; // if not set, treat as the JSON representation of an empty object
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| 35 | if (timestamp && webInfo.lastModified &&
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| 36 | (new Date(webInfo.lastModified).valueOf() ===
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| 37 | new Date(timestamp).valueOf()) &&
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| 38 | JSON.stringify(modifyVars) === vars) {
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| 39 | // Use local copy
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| 40 | return css;
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| 41 | }
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| 42 | }
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| 43 | };
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| 44 | });
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| 45 | //# sourceMappingURL=cache.js.map |
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