format: prettify entire project
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55
node_modules/@jridgewell/set-array/dist/set-array.mjs
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55
node_modules/@jridgewell/set-array/dist/set-array.mjs
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@ -7,62 +7,59 @@
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* and there are never duplicates.
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*/
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class SetArray {
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constructor() {
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this._indexes = { __proto__: null };
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this.array = [];
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}
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constructor() {
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this._indexes = { __proto__: null };
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this.array = [];
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}
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}
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/**
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* Typescript doesn't allow friend access to private fields, so this just casts the set into a type
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* with public access modifiers.
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*/
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function cast(set) {
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return set;
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return set;
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}
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/**
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* Gets the index associated with `key` in the backing array, if it is already present.
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*/
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function get(setarr, key) {
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return cast(setarr)._indexes[key];
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return cast(setarr)._indexes[key];
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}
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/**
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* Puts `key` into the backing array, if it is not already present. Returns
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* the index of the `key` in the backing array.
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*/
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function put(setarr, key) {
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// The key may or may not be present. If it is present, it's a number.
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const index = get(setarr, key);
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if (index !== undefined)
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return index;
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const { array, _indexes: indexes } = cast(setarr);
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const length = array.push(key);
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return (indexes[key] = length - 1);
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// The key may or may not be present. If it is present, it's a number.
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const index = get(setarr, key);
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if (index !== undefined) return index;
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const { array, _indexes: indexes } = cast(setarr);
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const length = array.push(key);
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return (indexes[key] = length - 1);
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}
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/**
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* Pops the last added item out of the SetArray.
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*/
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function pop(setarr) {
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const { array, _indexes: indexes } = cast(setarr);
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if (array.length === 0)
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return;
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const last = array.pop();
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indexes[last] = undefined;
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const { array, _indexes: indexes } = cast(setarr);
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if (array.length === 0) return;
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const last = array.pop();
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indexes[last] = undefined;
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}
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/**
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* Removes the key, if it exists in the set.
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*/
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function remove(setarr, key) {
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const index = get(setarr, key);
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if (index === undefined)
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return;
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const { array, _indexes: indexes } = cast(setarr);
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for (let i = index + 1; i < array.length; i++) {
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const k = array[i];
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array[i - 1] = k;
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indexes[k]--;
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}
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indexes[key] = undefined;
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array.pop();
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const index = get(setarr, key);
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if (index === undefined) return;
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const { array, _indexes: indexes } = cast(setarr);
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for (let i = index + 1; i < array.length; i++) {
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const k = array[i];
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array[i - 1] = k;
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indexes[k]--;
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}
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indexes[key] = undefined;
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array.pop();
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}
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export { SetArray, get, pop, put, remove };
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