@atproto/repo/dist/cid-set.js

atproto repo and MST implementation

import { parseCid } from '@atproto/lex-data';
export class CidSet {
    constructor(arr = []) {
        const strArr = arr.map((c) => c.toString());
        this.set = new Set(strArr);
    }
    add(cid) {
        this.set.add(cid.toString());
        return this;
    }
    addSet(toMerge) {
        for (const c of toMerge.set)
            this.set.add(c);
        return this;
    }
    subtractSet(toSubtract) {
        for (const c of toSubtract.set)
            this.set.delete(c);
        return this;
    }
    delete(cid) {
        this.set.delete(cid.toString());
        return this;
    }
    has(cid) {
        return this.set.has(cid.toString());
    }
    size() {
        return this.set.size;
    }
    clear() {
        this.set.clear();
        return this;
    }
    toList() {
        return Array.from(this);
    }
    *[Symbol.iterator]() {
        for (const c of this.set) {
            yield parseCid(c);
        }
    }
}
export default CidSet;
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