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1 files changed, 38 insertions, 0 deletions

diff --git a/node_modules/tar/dist/commonjs/normalize-unicode.js b/node_modules/tar/dist/commonjs/normalize-unicode.js
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+++ b/node_modules/tar/dist/commonjs/normalize-unicode.js
@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.normalizeUnicode = void 0;
+// 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();
+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;
+};
+exports.normalizeUnicode = normalizeUnicode;
+//# sourceMappingURL=normalize-unicode.js.map
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