summaryrefslogtreecommitdiff
path: root/node_modules/@jridgewell/set-array/src
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/@jridgewell/set-array/src')
-rw-r--r--node_modules/@jridgewell/set-array/src/set-array.ts55
1 files changed, 0 insertions, 55 deletions
diff --git a/node_modules/@jridgewell/set-array/src/set-array.ts b/node_modules/@jridgewell/set-array/src/set-array.ts
deleted file mode 100644
index f9ff6042..00000000
--- a/node_modules/@jridgewell/set-array/src/set-array.ts
+++ /dev/null
@@ -1,55 +0,0 @@
-/**
- * Gets the index associated with `key` in the backing array, if it is already present.
- */
-export let get: (strarr: SetArray, key: string) => number | undefined;
-
-/**
- * Puts `key` into the backing array, if it is not already present. Returns
- * the index of the `key` in the backing array.
- */
-export let put: (strarr: SetArray, key: string) => number;
-
-/**
- * Pops the last added item out of the SetArray.
- */
-export let pop: (strarr: SetArray) => void;
-
-/**
- * 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.
- */
-export class SetArray {
- private declare _indexes: { [key: string]: number | undefined };
- declare array: readonly string[];
-
- constructor() {
- this._indexes = { __proto__: null } as any;
- this.array = [];
- }
-
- static {
- 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 as string[]).push(key) - 1);
- };
-
- pop = (strarr) => {
- const { array, _indexes: indexes } = strarr;
- if (array.length === 0) return;
-
- const last = (array as string[]).pop()!;
- indexes[last] = undefined;
- };
- }
-}