54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
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function escapeRegex(input) {
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return String(input).replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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}
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function globToRegex(glob) {
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const parts = String(glob).split('*').map(escapeRegex);
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const regex = `^${parts.join('.*')}$`;
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return new RegExp(regex);
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}
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export function createFakeRedis(initial = {}) {
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const kv = new Map(Object.entries(initial));
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return {
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isReady: true,
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async get(key) {
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return kv.has(key) ? kv.get(key) : null;
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},
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async set(key, value) {
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kv.set(key, String(value));
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return 'OK';
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},
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async del(key) {
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const existed = kv.delete(key);
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return existed ? 1 : 0;
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},
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async keys(pattern) {
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const re = globToRegex(pattern);
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return Array.from(kv.keys()).filter((k) => re.test(k));
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},
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// optional: used by logs route
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async lRange(key, start, stop) {
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const raw = kv.get(key);
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const list = Array.isArray(raw) ? raw : [];
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const normalizeIndex = (idx) => (idx < 0 ? list.length + idx : idx);
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const s = normalizeIndex(start);
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const e = normalizeIndex(stop);
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return list.slice(Math.max(0, s), Math.min(list.length, e + 1));
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},
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// helper for tests
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_dump() {
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return Object.fromEntries(kv.entries());
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},
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};
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}
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