37 lines
707 B
TypeScript
37 lines
707 B
TypeScript
import { RegExpRunner } from "./RegExpRunner";
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interface RunnerInfo {
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users: number;
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runner: RegExpRunner;
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}
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const runners: Map<string, RunnerInfo> = new Map();
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export function getRegExpRunner(key: string) {
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if (!runners.has(key)) {
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const runner = new RegExpRunner();
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runners.set(key, {
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users: 0,
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runner,
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});
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}
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const info = runners.get(key)!;
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info.users++;
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return info.runner;
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}
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export function discardRegExpRunner(key: string) {
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if (!runners.has(key)) {
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throw new Error(`No runners with key ${key}, cannot discard`);
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}
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const info = runners.get(key)!;
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info.users--;
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if (info.users <= 0) {
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info.runner.dispose();
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runners.delete(key);
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}
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}
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