57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
'use strict'
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import Mru from '../model/mru'
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import { ExtendedCompleteItem } from '../types'
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export type Selection = 'none' | 'recentlyUsed' | 'recentlyUsedByPrefix'
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export default class MruLoader {
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private mru: Mru
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private max = 0
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private items: Map<string, number> = new Map()
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private itemsNoPrefex: Map<string, number> = new Map()
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constructor(private selection: Selection) {
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this.mru = new Mru(`suggest${globalThis.__TEST__ ? process.pid : ''}.txt`, process.env.COC_DATA_HOME, 1000)
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}
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public async load(): Promise<void> {
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let { selection } = this
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if (selection == 'none') return
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let lines = await this.mru.load()
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let total = lines.length
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for (let i = total - 1; i >= 0; i--) {
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let line = lines[i]
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if (!line.includes('|')) continue
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let [_prefix, label, source, kind] = line.split('|')
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if (!source) continue
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this.items.set(line, total - 1 - i)
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this.itemsNoPrefex.set(`${label}|${source}|${kind || ''}`, total - 1 - i)
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}
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this.max = total - 1
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}
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public getScore(input: string, item: ExtendedCompleteItem): number {
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let key = toItemKey(item)
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if (input.length == 0) return this.itemsNoPrefex.get(key) ?? -1
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if (this.selection === 'recentlyUsedByPrefix') key = `${input}|${key}`
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let map = this.selection === 'recentlyUsed' ? this.itemsNoPrefex : this.items
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return map.get(key) ?? -1
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}
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public add(prefix: string, item: ExtendedCompleteItem): void {
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if (this.selection == 'none') return
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let key = toItemKey(item)
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let line = `${prefix}|key`
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this.items.set(line, this.max)
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this.itemsNoPrefex.set(key, this.max)
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this.max += 1
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void this.mru.add(line)
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}
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}
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function toItemKey(item: ExtendedCompleteItem): string {
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let label = item.filterText
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let source = item.source
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let kind = item.kind ?? ''
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return `${label}|${source}|${kind}`
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}
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