Updated exercises
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@ -10,7 +10,7 @@ This function will take two arguments, `string` and `num`.
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*Note:* The exercises after this one will not have arguments provided as this one does - you will need to provide them yourself from now on. So read each exercise's README carefully to see what kinds of arguments will be expected.
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You will notice in this exercise that there are multiple tests (see in file `repeatString.spec.js`). Only the first test is currently enabled. So after making sure that this first one passes, enable the others one by one by deleting the `.skip` from the `test.skip()` function.
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You will notice in this exercise that there are multiple tests (see in file `repeatString.spec.js`). Only the first test is currently enabled. So after making sure that this first one passes, enable the others one by one by deleting the `` from the `test()` function.
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## Hints
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@ -1,5 +1,9 @@
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const repeatString = function(string, num) {
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return string.repeat(num);
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if (num < 0) {
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return "ERROR";
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} else {
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return string.repeat(num);
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}
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};
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// Do not edit below this line
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@ -4,19 +4,19 @@ describe('repeatString', () => {
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test('repeats the string', () => {
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expect(repeatString('hey', 3)).toEqual('heyheyhey');
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});
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test.skip('repeats the string many times', () => {
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test('repeats the string many times', () => {
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expect(repeatString('hey', 10)).toEqual('heyheyheyheyheyheyheyheyheyhey');
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});
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test.skip('repeats the string 1 times', () => {
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test('repeats the string 1 times', () => {
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expect(repeatString('hey', 1)).toEqual('hey');
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});
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test.skip('repeats the string 0 times', () => {
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test('repeats the string 0 times', () => {
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expect(repeatString('hey', 0)).toEqual('');
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});
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test.skip('returns ERROR with negative numbers', () => {
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test('returns ERROR with negative numbers', () => {
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expect(repeatString('hey', -1)).toEqual('ERROR');
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});
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test.skip('repeats the string a random amount of times', function () {
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test('repeats the string a random amount of times', function () {
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/*The number is generated by using Math.random to get a value from between
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0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it
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equals a number between 0 to 999 (this number will change everytime you run
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@ -31,7 +31,7 @@ describe('repeatString', () => {
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was randomly generated. */
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expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number);
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});
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test.skip('works with blank strings', () => {
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test('works with blank strings', () => {
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expect(repeatString('', 10)).toEqual('');
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});
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});
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@ -6,7 +6,7 @@ Pretty simple, write a function called `reverseString` that returns its input, r
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reverseString('hello there') // returns 'ereht olleh'
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```
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You will notice in this exercise that there are multiple tests, after making the first one pass, enable the others one by one by deleting the `.skip` in front the `test.skip()` function.
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You will notice in this exercise that there are multiple tests, after making the first one pass, enable the others one by one by deleting the `` in front the `test()` function.
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## Hints
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Strings in JavaScript cannot be reversed directly so you're going to have to split it into something else first.. do the reversal and then join it back together into a string.
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@ -5,14 +5,14 @@ describe('reverseString', () => {
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expect(reverseString('hello')).toEqual('olleh');
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});
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test.skip('reverses multiple words', () => {
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test('reverses multiple words', () => {
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expect(reverseString('hello there')).toEqual('ereht olleh')
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})
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test.skip('works with numbers and punctuation', () => {
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test('works with numbers and punctuation', () => {
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expect(reverseString('123! abc!')).toEqual('!cba !321')
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})
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test.skip('works with blank strings', () => {
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test('works with blank strings', () => {
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expect(reverseString('')).toEqual('')
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})
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});
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@ -1,6 +1,6 @@
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const removeFromArray = function(list) {
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const removeFromArray = function(list, item) {
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//Remove third element from array
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let remove = list.splice(2, 1);
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let remove = list.filter(item);
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return list;
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};
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@ -4,22 +4,22 @@ describe('removeFromArray', () => {
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test('removes a single value', () => {
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expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
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});
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test.skip('removes multiple values', () => {
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test('removes multiple values', () => {
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expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
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});
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test.skip('ignores non present values', () => {
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test('ignores non present values', () => {
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expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
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});
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test.skip('ignores non present values, but still works', () => {
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test('ignores non present values, but still works', () => {
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expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
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});
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test.skip('can remove all values', () => {
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test('can remove all values', () => {
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expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
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});
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test.skip('works with strings', () => {
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test('works with strings', () => {
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expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
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});
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test.skip('only removes same type', () => {
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test('only removes same type', () => {
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expect(removeFromArray([1, 2, 3], "1", 3)).toEqual([1, 2]);
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});
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});
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@ -1,17 +1,26 @@
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const add = function() {
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const add = function(num1, num2) {
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let total = num1 + num2;
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return total;
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};
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const subtract = function() {
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const subtract = function(num1, num2) {
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let total = num1 - num2;
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return total;
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};
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const sum = function() {
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let total = 0;
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for (i = 0; i < numList.length; i++) {
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total += parseInt(numList[i]);
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}
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return total;
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};
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const multiply = function() {
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const multiply = function(num1, num2) {
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let total = num1 * num2;
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return total;
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};
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const power = function() {
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@ -1529,10 +1529,20 @@
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}
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},
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"node_modules/caniuse-lite": {
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"version": "1.0.30001223",
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"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001223.tgz",
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"integrity": "sha512-k/RYs6zc/fjbxTjaWZemeSmOjO0JJV+KguOBA3NwPup8uzxM1cMhR2BD9XmO86GuqaqTCO8CgkgH9Rz//vdDiA==",
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"dev": true
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"version": "1.0.30001425",
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"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001425.tgz",
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"integrity": "sha512-/pzFv0OmNG6W0ym80P3NtapU0QEiDS3VuYAZMGoLLqiC7f6FJFe1MjpQDREGApeenD9wloeytmVDj+JLXPC6qw==",
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"dev": true,
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"funding": [
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{
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"type": "opencollective",
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"url": "https://opencollective.com/browserslist"
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},
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{
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"type": "tidelift",
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"url": "https://tidelift.com/funding/github/npm/caniuse-lite"
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}
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]
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},
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"node_modules/capture-exit": {
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"version": "2.0.0",
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@ -8739,9 +8749,9 @@
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"dev": true
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},
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"caniuse-lite": {
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"version": "1.0.30001223",
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"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001223.tgz",
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"integrity": "sha512-k/RYs6zc/fjbxTjaWZemeSmOjO0JJV+KguOBA3NwPup8uzxM1cMhR2BD9XmO86GuqaqTCO8CgkgH9Rz//vdDiA==",
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"version": "1.0.30001425",
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"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001425.tgz",
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"integrity": "sha512-/pzFv0OmNG6W0ym80P3NtapU0QEiDS3VuYAZMGoLLqiC7f6FJFe1MjpQDREGApeenD9wloeytmVDj+JLXPC6qw==",
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"dev": true
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},
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"capture-exit": {
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@ -14,11 +14,11 @@
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},
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"homepage": "https://github.com/TheOdinProject/javascript-exercises#readme",
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"devDependencies": {
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"jest": "^26.6.3",
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"jest-cli": "^26.6.3",
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"eslint": "^7.26.0",
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"eslint-config-airbnb-base": "^14.2.1",
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"eslint-plugin-import": "^2.22.1"
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"eslint-plugin-import": "^2.22.1",
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"jest": "^26.6.3",
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"jest-cli": "^26.6.3"
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},
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"scripts": {
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"test": "jest"
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"eslintConfig": {
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"root": true
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},
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"jest": {
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"jest": {
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"testPathIgnorePatterns": [
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"generator-exercise/"
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]
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