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[main] Funcs
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‎jsProblems/bumps/bumps.js‎

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/**
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* Your car is old, it breaks easily. The shock absorbers are gone and you think it can handle about 15 more bumps before it dies totally.
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* Unfortunately for you, your drive is very bumpy! Given a string showing either flat road (_) or bumps (n). If you are able to reach home safely by encountering 15 bumps or less, return Woohoo!, otherwise return Car Dead
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*
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* @param {string} x - the road
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* @returns Whether your car makes it or not
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*/
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function bump(x) {
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return x.split().filter(e => e === "n").length > 15 ? "Car Dead" : "Woohoo!";
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}

‎jsProblems/highestRank/highestRank.js‎

Whitespace-only changes.

‎jsProblems/sameStructure/sameStructure.js‎

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Array.prototype.sameStructureAs = function (other) {
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/**
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*
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* @param {any[]} arr
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*/
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const mapStructure = (
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arr,
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mappedDepth = { 0: { 0: 0 } },
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elemNumber = 0,
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currentLevel = 0
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) => {
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for (let i = 0; i < arr.length; i++) {
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const eachelement = arr[i];
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if (eachelement.constructor.name === "Array") {
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mapStructure(eachelement, mappedDepth, i, currentLevel + 1);
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} else if (elemNumber in mappedDepth) {
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if (currentLevel in mappedDepth[elemNumber]) {
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mappedDepth[elemNumber][currentLevel] += 1;
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} else {
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mappedDepth[elemNumber][currentLevel] = 1;
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}
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} else {
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mappedDepth[elemNumber] = {};
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mappedDepth[elemNumber][currentLevel] = 1;
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}
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}
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return mappedDepth;
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};
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if (
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typeof other !== "object" ||
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typeof this !== "object" ||
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other.constructor.name !== "Array" ||
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this.constructor.name !== "Array"
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) {
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return false;
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}
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const mapStructureOther = mapStructure(other);
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const mapStructureThis = mapStructure(this);
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return JSON.stringify(mapStructureOther) === JSON.stringify(mapStructureThis);
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};
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console.log([1, 1, 1].sameStructureAs([2, 2, 2]), "[1,1,1] same as [2,2,2]");
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console.log(
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[1, [1, 1]].sameStructureAs([2, [2, 2]]) === true
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// "[1,[1,1]] same as [2,[2,2]]"
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);
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console.log(
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[(1, [1, 1])].sameStructureAs([[2, 2], 2]) === false
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// "[1,[1,1]] not same as [[2,2],2]"
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);
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console.log(
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[1, [1, 1]].sameStructureAs([2, [2]]) === false
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// "[1,[1,1]] not same as [2,[2]]"
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);
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console.log(
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[[[], []]].sameStructureAs([[[], []]]) === true
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// "[[[],[]]] same as [[[],[]]]"
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);
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console.log(
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[[[], []]].sameStructureAs([[1, 1]]) === false
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// "[[[],[]]] not same as [[1,1]]"
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);
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console.log([1, [[[1]]]].sameStructureAs([2, [[[2]]]]) === true);
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// , "[1,[[[1]]]] same as [2,[[[2]]]]");
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console.log([].sameStructureAs(1) === false);
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// , "[] not same as 1");
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console.log([].sameStructureAs({}) === false);
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// , "[] not same as {}");
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console.log(
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[1, "[", "]"].sameStructureAs(["[", "]", 1]) === true
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// "[1,'[',']'] same as ['[',']',1]"
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);
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console.log([1, 2].sameStructureAs([[3], 3]) === false);
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// , "[1,2] not same as [[3],3]");

‎tsProblems/animal/animal.ts‎

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export abstract class Animal {
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/** @param {number} value The length of the animal in parrots. */
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protected constructor(public value: number) {}
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convertTo(someone: Animal): number {
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if (someone instanceof Parrot) {
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return 38;
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} else if (someone instanceof Monkey) {
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return 5;
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} else {
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this.value = 0;
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return 0;
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}
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}
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}
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export class Boa extends Animal {
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constructor() {
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super(1);
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}
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convertTo(someone: Animal): number {
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if (someone instanceof Parrot) {
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return 38;
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} else if (someone instanceof Monkey) {
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return 5;
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}
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return 0;
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}
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}
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export class Parrot extends Animal {
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constructor() {
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super(1);
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}
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convertTo(someone: Animal): number {
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if (someone instanceof Boa) {
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return 1;
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}
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if (someone instanceof Monkey) {
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return 1;
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}
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return 0;
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}
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}
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export class Monkey extends Animal {
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constructor() {
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super(1);
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}
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convertTo(someone: Animal): number {
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if (someone instanceof Parrot) {
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return 1;
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} else if (someone instanceof Boa) {
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return 1;
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}
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return 0;
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}
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}

‎tsProblems/countDigit/countDigit.js‎

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"use strict";
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exports.__esModule = true;
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exports.countDigit = void 0;
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function countDigit(number, digit, base, fromBase) {
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var convertedNumber = Number.parseInt(number, fromBase).toString(base);
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return convertedNumber.split("").filter(function (e) { return e === digit; }).length;
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}
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exports.countDigit = countDigit;
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console.log(countDigit("10", "a", 11, 10));

‎tsProblems/countDigit/countDigit.ts‎

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export function countDigit(
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number: string,
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digit: string,
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base: number,
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fromBase: number
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): number {
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const convertedNumber = Number.parseInt(number, fromBase).toString(base);
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return convertedNumber.split("").filter((e) => e === digit).length;
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}
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console.log(countDigit("10", "a", 11, 10));

‎tsProblems/dollars/dollars.js‎

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"use strict";
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exports.__esModule = true;
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exports.dollars = void 0;
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var dollars = function (amounts) {
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console.log(typeof amounts, amounts.constructor, JSON.stringify(amounts));
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var colorSet = new Set(amounts);
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return (colorSet.size === 1 &&
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(colorSet.has("red") || colorSet.has("blue") || colorSet.has("green")));
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};
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exports.dollars = dollars;
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console.log((0, exports.dollars)(["red", "red", "purple"]));

‎tsProblems/dollars/dollars.ts‎

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export const dollars = (amounts: string[]): boolean => {
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console.log(typeof amounts, amounts.constructor, JSON.stringify(amounts));
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const colorSet = new Set(amounts);
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return (
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colorSet.size === 1 &&
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(colorSet.has("red") || colorSet.has("blue") || colorSet.has("green"))
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);
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};
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console.log(dollars(["red", "red", "purple"]));

‎tsProblems/duplicated/duplicated.js‎

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"use strict";
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var __read = (this && this.__read) || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o), r, ar = [], e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
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}
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catch (error) { e = { error: error }; }
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finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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}
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finally { if (e) throw e.error; }
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}
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return ar;
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};
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var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
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if (ar || !(i in from)) {
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if (!ar) ar = Array.prototype.slice.call(from, 0, i);
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ar[i] = from[i];
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}
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}
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return to.concat(ar || Array.prototype.slice.call(from));
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};
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exports.__esModule = true;
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exports.duplicated = exports.isDuplicate = void 0;
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function isDuplicate(arr, keyValue) {
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return arr.filter(function (e) { return e === keyValue; }).length > 0;
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}
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exports.isDuplicate = isDuplicate;
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function duplicated(arr, keys) {
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var dupes = new Set();
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var formattedArr = arr.map(function (eachObj) {
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return keys.map(function (eachKey) { return eachObj[eachKey]; });
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});
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console.log(formattedArr);
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formattedArr.forEach(function (eachObj, ind) {
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if (!dupes.has(arr[ind]) && isDuplicate(arr, eachObj)) {
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dupes.add(arr[ind]);
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}
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});
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return __spreadArray([], __read(dupes), false);
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}
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exports.duplicated = duplicated;
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var objs = [
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{ x: 1, y: 1 },
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{ x: 2, y: 2 },
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{ x: 1, z: 1 },
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{ x: 1, y: 1, z: 3 },
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];
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var keys = ["x", "y"];
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console.log(duplicated(objs.map(function (x) { return Object.assign({}, x); }), keys.slice()));

‎tsProblems/duplicated/duplicated.ts‎

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export function isDuplicate(arr: any[], keyValue: any[]): boolean {
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return arr.filter((e) => e === keyValue).length > 0;
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}
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export function duplicated(arr: any[], keys: string[]): any[] {
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const dupeResults = {};
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arr.forEach((eachObj) => {});
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}
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const objs = [
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{ x: 1, y: 1 },
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{ x: 2, y: 2 },
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{ x: 1, z: 1 },
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{ x: 1, y: 1, z: 3 },
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];
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const keys = ["x", "y"];
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console.log(
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duplicated(
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objs.map((x) => Object.assign({}, x)),
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keys.slice()
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)
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);

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