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import { async, TestBed, ComponentFixture } from '@angular/core/testing';
import { BrowserCheckComponent } from './browser-check.component';

describe('BrowserCheckComponent', () => {
  let component: BrowserCheckComponent;
  let fixture: ComponentFixture<BrowserCheckComponent>;

  beforeEach(
    async(() => {
      TestBed.configureTestingModule({

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{
  "name": "pagecall-for-tdd",
  "version": "0.0.1",
  "license": "MIT",
  "scripts": {
    "test:jest" : "jest",
  },
  "jest": {
    "preset": "jest-preset-angular",
    "setupTestFrameworkScriptFile": "<rootDir>/src/setupJest.ts"

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import { createSelector } from '@ngrx/store';
 
export interface State {
  evenNums: number[];
  oddNums: number[];
}
 
export const selectSumEvenNums = createSelector(
  (state: State) => state.evenNums,
  evenNums => evenNums.reduce((prev, curr) => prev + curr)

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this.lines$.pipe(
 filter(Boolean),
 sample(this.frameControl$),
 startWith([]),
 pairwise()
)
.subscribe(([prev, next]) => {
 this.canvasRender.drawDiff(prev, next);
});

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{
	"name": "babel7-test",
	"version": "0.0.1",
	"description": "",
	"main": "index.js",
	"scripts": {
		"dev": "babel-node index.js"
	},
	"keywords": ["babel7"],
	"license": "ISC",

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import { curry } from 'ramda'; // webpack의 tree-shaking을 사용하기 위해 { curry } 만 추출

const double = n => n * 2;
const increment = n => n + 1;
const add = (x, y) => x + y;
const boundScore = (min, max, score) => Math.max(min, Math.min(max, score));

// pipeline operator 없이 함수들을 조합한 경우
const result1 = double(increment(double(double(5)))); // 42

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{
	"name": "babel-webpack4-exercise",
	"version": "0.0.1",
	"description": "",
	"main": "index.js",
	"scripts": {
		"dev": "webpack --config webpack.development.config.js"
	},
	"keywords": ["babel", "webpack4"],
	"license": "ISC",

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	async componentDidMount() {
		const { type, token } = await Facebook.logInWithReadPermissionsAsync(
			'2060058184212334',
			{
				permissions: ['public_profile', 'email'],
			}
		);
		if (type === 'success') {
			const response = await fetch(
				`https://graph.facebook.com/me?access_token=${token}&fields=id,name,email,about,picture`

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const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];

const twoDimensionArray2 = array.reduce((array, number, index) => {
	const criteria = 4;
	const arrayIndex = Math.floor(index / criteria);
	if (!array[arrayIndex]) {
		array[arrayIndex] = [];
	}
	array[arrayIndex] = [...array[arrayIndex], number];
	return array;

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const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];

const { length } = array;
const maxLength = 4;
const iteratorCount = length / maxLength;
let twoDimensionArray = [];

for (let i = 0; i < iteratorCount; i++) {
	twoDimensionArray = [
		...twoDimensionArray,