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-rw-r--r--node_modules/tar/dist/esm/normalize-unicode.js34
1 files changed, 34 insertions, 0 deletions
diff --git a/node_modules/tar/dist/esm/normalize-unicode.js b/node_modules/tar/dist/esm/normalize-unicode.js
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index 0000000..8fa17f5
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+++ b/node_modules/tar/dist/esm/normalize-unicode.js
@@ -0,0 +1,34 @@
+// warning: extremely hot code path.
+// This has been meticulously optimized for use
+// within npm install on large package trees.
+// Do not edit without careful benchmarking.
+const normalizeCache = Object.create(null);
+// Limit the size of this. Very low-sophistication LRU cache
+const MAX = 10000;
+const cache = new Set();
+export const normalizeUnicode = (s) => {
+ if (!cache.has(s)) {
+ // shake out identical accents and ligatures
+ normalizeCache[s] = s
+ .normalize('NFD')
+ .toLocaleLowerCase('en')
+ .toLocaleUpperCase('en');
+ }
+ else {
+ cache.delete(s);
+ }
+ cache.add(s);
+ const ret = normalizeCache[s];
+ let i = cache.size - MAX;
+ // only prune when we're 10% over the max
+ if (i > MAX / 10) {
+ for (const s of cache) {
+ cache.delete(s);
+ delete normalizeCache[s];
+ if (--i <= 0)
+ break;
+ }
+ }
+ return ret;
+};
+//# sourceMappingURL=normalize-unicode.js.map \ No newline at end of file