codekingpro/portable-devtools

1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3exports.normalizeUnicode = void 0;
4// warning: extremely hot code path.
5// This has been meticulously optimized for use
6// within npm install on large package trees.
7// Do not edit without careful benchmarking.
8const normalizeCache = Object.create(null);
9// Limit the size of this. Very low-sophistication LRU cache
10const MAX = 10000;
11const cache = new Set();
12const normalizeUnicode = (s) => {
13    if (!cache.has(s)) {
14        // shake out identical accents and ligatures
15        normalizeCache[s] = s
16            .normalize('NFD')
17            .toLocaleLowerCase('en')
18            .toLocaleUpperCase('en');
19    }
20    else {
21        cache.delete(s);
22    }
23    cache.add(s);
24    const ret = normalizeCache[s];
25    let i = cache.size - MAX;
26    // only prune when we're 10% over the max
27    if (i > MAX / 10) {
28        for (const s of cache) {
29            cache.delete(s);
30            delete normalizeCache[s];
31            if (--i <= 0)
32                break;
33        }
34    }
35    return ret;
36};
37exports.normalizeUnicode = normalizeUnicode;
38//# sourceMappingURL=normalize-unicode.js.map