1 files changed, 48 insertions, 0 deletions
diff --git a/node_modules/@jridgewell/set-array/dist/set-array.mjs b/node_modules/@jridgewell/set-array/dist/set-array.mjs
new file mode 100644
index 0000000..b7f1a9c
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+++ b/node_modules/@jridgewell/set-array/dist/set-array.mjs
@@ -0,0 +1,48 @@
+/**
+ * Gets the index associated with `key` in the backing array, if it is already present.
+ */
+let get;
+/**
+ * Puts `key` into the backing array, if it is not already present. Returns
+ * the index of the `key` in the backing array.
+ */
+let put;
+/**
+ * Pops the last added item out of the SetArray.
+ */
+let pop;
+/**
+ * SetArray acts like a `Set` (allowing only one occurrence of a string `key`), but provides the
+ * index of the `key` in the backing array.
+ *
+ * This is designed to allow synchronizing a second array with the contents of the backing array,
+ * like how in a sourcemap `sourcesContent[i]` is the source content associated with `source[i]`,
+ * and there are never duplicates.
+ */
+class SetArray {
+    constructor() {
+        this._indexes = { __proto__: null };
+        this.array = [];
+    }
+}
+(() => {
+    get = (strarr, key) => strarr._indexes[key];
+    put = (strarr, key) => {
+        // The key may or may not be present. If it is present, it's a number.
+        const index = get(strarr, key);
+        if (index !== undefined)
+            return index;
+        const { array, _indexes: indexes } = strarr;
+        return (indexes[key] = array.push(key) - 1);
+    };
+    pop = (strarr) => {
+        const { array, _indexes: indexes } = strarr;
+        if (array.length === 0)
+            return;
+        const last = array.pop();
+        indexes[last] = undefined;
+    };
+})();
+
+export { SetArray, get, pop, put };
+//# sourceMappingURL=set-array.mjs.map