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x/dedupe/mod.ts

removes duplicates from your array.
Sab94/dedupe
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.export function dedupe (client: Array<any>, hasher?: any) {    hasher = hasher || JSON.stringify;
    const clone = [];    const lookup = {};
    for (let i = 0; i < client.length; i++) {        let elem = client[i];        let hashed = hasher(elem);
        if (!lookup[hashed]) {            clone.push(elem);            lookup[hashed] = true;        }    }
    return clone;}