71 lines
1.5 KiB
TypeScript
71 lines
1.5 KiB
TypeScript
export class JSONSet<T extends Object> {
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private items: Set<string>;
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constructor() {
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this.items = new Set<string>();
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}
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add(item: T): void {
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const itemJson = JSON.stringify(item, Object.keys(item).sort());
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this.items.add(itemJson);
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}
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has(item: T): boolean {
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const itemJson = JSON.stringify(item, Object.keys(item).sort());
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return this.items.has(itemJson);
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}
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delete(item: T): boolean {
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const itemJson = JSON.stringify(item, Object.keys(item).sort());
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return this.items.delete(itemJson);
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}
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clear(): void {
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this.items.clear();
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}
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get size(): number {
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return this.items.size;
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}
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}
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export class JSONHashMap<T extends Object, R extends Object> {
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private map: Map<string, R>;
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constructor() {
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this.map = new Map<string, R>();
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}
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set(key: T, value: R): void {
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const keyJson = JSON.stringify(key, Object.keys(key).sort());
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this.map.set(keyJson, value);
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}
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get(key: T): R | undefined {
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const keyJson = JSON.stringify(key, Object.keys(key).sort());
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return this.map.get(keyJson);
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}
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has(key: T): boolean {
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const keyJson = JSON.stringify(key, Object.keys(key).sort());
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return this.map.has(keyJson);
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}
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keys(): T[] {
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return Array.from(this.map.keys()).map((x) => JSON.parse(x) as T);
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}
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delete(key: T): boolean {
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const keyJson = JSON.stringify(key, Object.keys(key).sort());
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return this.map.delete(keyJson);
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}
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clear(): void {
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this.map.clear();
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}
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get size(): number {
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return this.map.size;
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}
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}
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