mirror of https://git.sr.ht/~cadence/bibliogram
38 lines
875 B
JavaScript
38 lines
875 B
JavaScript
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class RequestHistory {
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/**
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* @param {string[]} tracked list of things that can be tracked
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*/
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constructor(tracked) {
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this.tracked = new Set(tracked)
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/** @type {Map<string, {lastRequestAt: number | null, lastRequestSuccessful: boolean | null}>} */
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this.store = new Map()
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for (const key of tracked) {
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this.store.set(key, {
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lastRequestAt: null,
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lastRequestSuccessful: null
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})
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}
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}
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/**
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* @param {string} key
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* @param {boolean} success
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*/
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report(key, success) {
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if (!this.tracked.has(key)) throw new Error(`Trying to report key ${key}, but is not tracked`)
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const entry = this.store.get(key)
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entry.lastRequestAt = Date.now()
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entry.lastRequestSuccessful = success
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}
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export() {
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const result = {}
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for (const key of this.store.keys()) {
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result[key] = this.store.get(key)
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}
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return result
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}
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}
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module.exports = RequestHistory
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