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53 lines
6.1 KiB
53 lines
6.1 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.membershipForEach = exports.membershipDedupeArray = exports.membershipToArray = exports.membershipFromArray = exports.membershipClear = exports.membershipDelete = exports.membershipHas = exports.membershipAdd = exports.createMembershipSet = void 0;
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function bindMembershipIterator(set) {
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// Map 默认 for-of 迭代 [key,value]；覆盖为仅 yield key（与 Set 一致）
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set[Symbol.iterator] = () => set.keys();
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return set;
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}
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function createMembershipSet() {
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return bindMembershipIterator(new Map());
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}
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exports.createMembershipSet = createMembershipSet;
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function membershipAdd(set, key) {
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set.set(key, true);
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return set;
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}
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exports.membershipAdd = membershipAdd;
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function membershipHas(set, key) {
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return set.has(key);
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}
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exports.membershipHas = membershipHas;
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function membershipDelete(set, key) {
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return set.delete(key);
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}
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exports.membershipDelete = membershipDelete;
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function membershipClear(set) {
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set.clear();
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}
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exports.membershipClear = membershipClear;
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function membershipFromArray(items) {
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const set = createMembershipSet();
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for (const item of items) {
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set.set(item, true);
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}
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return set;
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}
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exports.membershipFromArray = membershipFromArray;
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function membershipToArray(set) {
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return [...set];
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}
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exports.membershipToArray = membershipToArray;
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/** 去重数组（替代 Array.from(new Set(...)) / [...new Set(...)]） */
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function membershipDedupeArray(items) {
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return membershipToArray(membershipFromArray(items));
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}
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exports.membershipDedupeArray = membershipDedupeArray;
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function membershipForEach(set, fn) {
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for (const key of set) {
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fn(key);
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}
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}
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exports.membershipForEach = membershipForEach;
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