ce4c83ff
 wxy
初始提交
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"use strict"
exports.__esModule = true
const log = require('debug')('eslint-module-utils:ModuleCache')
class ModuleCache {
constructor(map) {
this.map = map || new Map()
}
/**
* returns value for returning inline
* @param {[type]} cacheKey [description]
* @param {[type]} result [description]
*/
set(cacheKey, result) {
this.map.set(cacheKey, { result, lastSeen: Date.now() })
log('setting entry for', cacheKey)
return result
}
get(cacheKey, settings) {
if (this.map.has(cacheKey)) {
const f = this.map.get(cacheKey)
// check fresness
if (Date.now() - f.lastSeen < (settings.lifetime * 1000)) return f.result
} else log('cache miss for', cacheKey)
// cache miss
return undefined
}
}
ModuleCache.getSettings = function (settings) {
const cacheSettings = Object.assign({
lifetime: 30, // seconds
}, settings['import/cache'])
// parse infinity
if (cacheSettings.lifetime === '∞' || cacheSettings.lifetime === 'Infinity') {
cacheSettings.lifetime = Infinity
}
return cacheSettings
}
exports.default = ModuleCache
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