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Commit 7c4bc1e

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iKnowJavaScriptiKnowJavaScript
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Merge pull request #2 from iKnowJavaScript/develop
Develop
2 parents 4288e16 + 807bdc5 commit 7c4bc1e
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16 files changed

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‎operations/arithmethics/addAll/addAll.js

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module.exports = function addAll() {
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if(arguments.length < 2) return "Input at least two Number";
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let total = 0;
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for (let arg in arguments) {
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let loop = typeof arguments[arg] === "number";
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if (!loop) {
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throw new Error("Only Numbers are allowed");
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} else {
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total += arguments[arg];
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}
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}
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return total;
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};

‎operations/arithmethics/addAll/addAll.test.js

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const addAll = require("./addAll");
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describe("Testing add operation for Infinite numbers", () => {
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it("Addition of 1 and 1 equals 2", () => {
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expect(addAll(1, 1)).toBe(2);
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});
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it("Addition of multiple value", () => {
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expect(addAll(11, 2, 3, 4, 5, 6, 7, 8, 8, 9, 10)).toBe(73);
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});
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it("Parameter should at least be two", () => {
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expect(addAll()).toMatch(/least two Number/);
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});
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it("Parameter should only be Numbers", () => {
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function logError() {
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addAll([], 2, 3, 4, 5, 6, 7, 8, 8, 9, 10);
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}
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expect(logError).toThrowError(Error);
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});
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});

‎operations/arithmethics/concat/joinString.js

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module.exports = function joinString (a, b) {
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return arguments.length < 2 || arguments.length > 3
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? "Input only two String"
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: typeof a === "string" && typeof b === "string"
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? a.concat(b)
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: "Inputs Must be String";
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};

‎operations/arithmethics/concat/joinString.test.js

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const joinString = require("./joinString")
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describe("Testing String Concatenation implementation", () => {
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it('Concatenate of "Well" and "Done"', () => {
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expect(joinString("Well", "Done")).toBe("WellDone");
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});
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it('Concatenate of "Good" and "Job"', () => {
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expect(joinString("Good", "Job")).toBe("GoodJob");
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});
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it("Parameter should only be String", () => {
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expect(joinString("Well", 4)).toMatch(/Must be String/);
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});
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it("Parameter should at least be two", () => {
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expect(joinString("Well")).toMatch(/only two String/);
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});
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it("Parameter should not be more than two", () => {
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expect(joinString("Good", "Job", "Well", "Done")).toMatch(/only two String/);
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});
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});

‎operations/arithmethics/division/divide.js

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module.exports = function divide (a, b) {
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return arguments.length < 2 || arguments.length > 3
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? "Input only two Numbers"
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: typeof a === "number" && typeof b === "number"
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? a / b
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: "Inputs Must be Numbers";
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};

‎operations/arithmethics/division/divide.test.js

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const divide = require("./divide");
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describe("Testing Division implementation", () => {
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it("Subtraction of 1 and 2", () => {
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expect(divide(1, 2)).toBe(0.5);
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});
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it("Subtraction of 100 and 25", () => {
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expect(divide(100, 25)).toBe(4);
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});
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it("Parameter should only be Numbers", () => {
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expect(divide(3, "4")).toMatch(/Must be Numbers/);
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});
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it("Parameter should at least be two", () => {
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expect(divide(3)).toMatch(/only two Numbers/);
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});
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it("Parameter should not be more than two", () => {
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expect(divide(3, 3, 3, 4)).toMatch(/only two Numbers/);
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});
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});

‎operations/arithmethics/multiplication/multiply.js

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module.exports = function multiply() {
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if(arguments.length < 2) return "Input at least two Number";
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let total = 1;
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for (let arg in arguments) {
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let loop = typeof arguments[arg] === "number";
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if (!loop) {
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throw new Error("Only Numbers are allowed");
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} else {
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total *= arguments[arg];
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}
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}
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return total;
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};

‎operations/arithmethics/multiplication/multiply.test.js

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const multiply = require("./multiply")
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describe("Testing Multiply implimentation for infinite number", () => {
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it("Multiplication of 4 and 4", () => {
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expect(multiply(4, 4)).toBe(16);
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});
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it("Multiplication of many numbers", () => {
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expect(multiply(1, 1, 2, 3, 4)).toBe(24);
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});
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it("Multiplication of 11 and -8", () => {
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expect(multiply(11, -8)).toBe(-88);
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});
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it("Multiplication of 1132 and 1131331", () => {
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expect(multiply(1132, 1131331)).toBe(1280666692);
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});
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it("Parameter should at least be two", () => {
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expect(multiply(1)).toMatch(/least two Number/);
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});
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it("All parameter should only be Numbers", () => {
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function logError() {
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multiply([], 2, 3, 4, 5, 6, 7, 8, 8, 9, 10);
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}
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expect(logError).toThrowError(Error);
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});
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});

‎operations/arithmethics/operations.js

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‎operations/arithmethics/operations.test.js

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‎operations/arithmethics/subtraction/subtract.js

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module.exports = function subtract (a, b) {
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return arguments.length < 2 || arguments.length > 3
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? "Input only two Numbers"
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: typeof a === "number" && typeof b === "number"
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? a - b
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: "Inputs Must be Numbers";
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};

‎operations/arithmethics/subtraction/subtract.test.js

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const subtract = require("./subtract")
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describe("Testing Subbtaction implementation", () => {
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it("Subtraction of 1 and 1", () => {
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expect(subtract(1, 1)).toBe(0);
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});
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it("Subtraction of 23 and 50", () => {
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expect(subtract(23, 50)).toBe(-27);
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});
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it("Subtraction of 111 and 21", () => {
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expect(subtract(111, 21)).toBe(90);
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});
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it("Parameter should only be Numbers", () => {
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expect(subtract(3, "4")).toMatch(/Must be Numbers/);
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});
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it("Parameter should at least be two", () => {
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expect(subtract(3)).toMatch(/only two Numbers/);
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});
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it("Parameter should not be more than two", () => {
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expect(subtract(3, 3, 3, 4)).toMatch(/only two Numbers/);
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});
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});

‎operations/arithmethics/twoSum/twoSum.js

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module.exports = function twoSum(a, b) {
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return arguments.length < 2 || arguments.length > 3
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? "Input only two Numbers"
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: typeof a === "number" && typeof b === "number"
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? a + b
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: "Inputs Must be Numbers";
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};

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