DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
80 lines
No EOL
1.9 KiB
Text
80 lines
No EOL
1.9 KiB
Text
// Copyright (c) 2020 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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export const inverse = function (map) {
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const result = new Multimap();
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for (const [key, value] of map.entries()) {
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result.set(value, key);
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}
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return result;
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};
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export class Multimap {
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map = new Map();
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set(key, value) {
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let set = this.map.get(key);
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if (!set) {
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set = new Set();
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this.map.set(key, set);
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}
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set.add(value);
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}
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get(key) {
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return this.map.get(key) || new Set();
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}
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has(key) {
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return this.map.has(key);
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}
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hasValue(key, value) {
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const set = this.map.get(key);
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if (!set) {
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return false;
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}
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return set.has(value);
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}
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get size() {
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return this.map.size;
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}
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delete(key, value) {
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const values = this.get(key);
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if (!values) {
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return false;
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}
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const result = values.delete(value);
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if (!values.size) {
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this.map.delete(key);
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}
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return result;
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}
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deleteAll(key) {
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this.map.delete(key);
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}
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keysArray() {
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return [...this.map.keys()];
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}
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keys() {
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return this.map.keys();
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}
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valuesArray() {
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const result = [];
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for (const set of this.map.values()) {
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result.push(...set.values());
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}
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return result;
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}
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clear() {
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this.map.clear();
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}
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}
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/**
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* Gets value for key, assigning a default if value is falsy.
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*/
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// eslint-disable-next-line @typescript-eslint/no-empty-object-type
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export function getWithDefault(map, key, defaultValueFactory) {
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let value = map.get(key);
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if (value === undefined || value === null) {
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value = defaultValueFactory(key);
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map.set(key, value);
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}
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return value;
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}
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//# sourceMappingURL=MapUtilities.js.map |