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47 lines
1.1 KiB
47 lines
1.1 KiB
'use strict'; |
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exports.__esModule = true; |
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const log = require('debug')('eslint-module-utils:ModuleCache'); |
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class ModuleCache { |
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constructor(map) { |
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this.map = map || new Map(); |
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} |
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/** |
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* returns value for returning inline |
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* @param {[type]} cacheKey [description] |
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* @param {[type]} result [description] |
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*/ |
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set(cacheKey, result) { |
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this.map.set(cacheKey, { result, lastSeen: process.hrtime() }); |
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log('setting entry for', cacheKey); |
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return result; |
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} |
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get(cacheKey, settings) { |
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if (this.map.has(cacheKey)) { |
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const f = this.map.get(cacheKey); |
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// check freshness |
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if (process.hrtime(f.lastSeen)[0] < settings.lifetime) return f.result; |
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} else log('cache miss for', cacheKey); |
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// cache miss |
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return undefined; |
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} |
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} |
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ModuleCache.getSettings = function (settings) { |
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const cacheSettings = Object.assign({ |
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lifetime: 30, // seconds |
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}, settings['import/cache']); |
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// parse infinity |
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if (cacheSettings.lifetime === '∞' || cacheSettings.lifetime === 'Infinity') { |
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cacheSettings.lifetime = Infinity; |
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} |
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return cacheSettings; |
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}; |
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exports.default = ModuleCache;
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