Eslint
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sharpshark28
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182b8be1d4
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4 changed files with 104 additions and 85 deletions
11
.eslintrc.js
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11
.eslintrc.js
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@ -0,0 +1,11 @@
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module.exports = {
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"extends": "standard",
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"plugins": [
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"standard",
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"promise",
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"jest"
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],
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"env": {
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"jest/globals": true
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}
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};
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54
index.js
54
index.js
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@ -1,55 +1,55 @@
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module.exports = class Query {
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constructor (data) {
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this.data = data.map(item => {
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item.sortScore = 0;
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return item;
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});
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item.sortScore = 0
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return item
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})
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}
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get results () {
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return this.data;
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return this.data
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}
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filter (func) {
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this.data = this.data.filter(func);
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return this;
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this.data = this.data.filter(func)
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return this
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}
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filterBy (key, func) {
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this.data = this.data.filter(item => func(item[key]));
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return this;
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this.data = this.data.filter(item => func(item[key]))
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return this
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}
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search (key, term, score = 0) {
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switch (typeof term) {
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case 'boolean':
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this.data = this.data.filter(item => item[key] === term);
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break;
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this.data = this.data.filter(item => item[key] === term)
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break
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case 'string':
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this.data = this.data.filter(item => {
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let regFind = new RegExp(term, 'gi');
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let termMatches = (item[key].match(regFind) || []).length;
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item.sortScore += termMatches;
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return termMatches;
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});
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break;
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let regFind = new RegExp(term, 'gi')
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let termMatches = (item[key].match(regFind) || []).length
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item.sortScore += termMatches
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return termMatches
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})
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break
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}
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return this;
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return this
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}
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sort (key = 'sortScore') {
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this.data = this.data.sort((a, b) => {
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if (a[key] < b[key]) return -1;
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if (a[key] > b[key]) return 1;
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return 0;
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});
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return this;
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if (a[key] < b[key]) return -1
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if (a[key] > b[key]) return 1
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return 0
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})
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return this
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}
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paginate (page = 1, perPage = 10) {
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let min = page * perPage - perPage;
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let max = min + perPage;
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this.data = this.data.slice(min, max);
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return this;
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let min = page * perPage - perPage
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let max = min + perPage
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this.data = this.data.slice(min, max)
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return this
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}
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};
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}
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114
index.test.js
114
index.test.js
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@ -1,109 +1,109 @@
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const Query = require('./index');
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const TestData = require('./testdata.json');
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const Query = require('./index')
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const TestData = require('./testdata.json')
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test('should not modify passed data without chain alterations', () => {
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let query = new Query(TestData)
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.results;
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.results
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expect(query).toMatchObject(TestData);
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});
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expect(query).toMatchObject(TestData)
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})
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test('should paginate with default params', () => {
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let query = new Query(TestData)
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.paginate()
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.results;
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.paginate()
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.results
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expect(query.length).toBe(9);
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});
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expect(query.length).toBe(9)
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})
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test('should paginate with custom page length', () => {
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let query = new Query(TestData)
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.paginate(1, 3)
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.results;
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.paginate(1, 3)
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.results
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expect(query.length).toBe(3);
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expect(query.length).toBe(3)
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expect(query[0].name).toBe('Haynes Meadows')
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});
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})
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test('should paginate to second page with custom page length', () => {
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let query = new Query(TestData)
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.paginate(2, 3)
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.results;
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.paginate(2, 3)
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.results
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expect(query.length).toBe(3);
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expect(query.length).toBe(3)
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expect(query[0].name).toBe('Howard Buckley')
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});
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})
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test('should search by boolean isActive', () => {
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let query = new Query(TestData)
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.search('isActive', true)
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.results;
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.search('isActive', true)
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.results
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expect(query.length).toBe(4);
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});
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expect(query.length).toBe(4)
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})
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test('should search by name', () => {
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let query = new Query(TestData)
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.search('name', 'steele')
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.results;
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.search('name', 'steele')
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.results
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expect(query.length).toBe(2);
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});
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expect(query.length).toBe(2)
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})
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test('should sort by boolean isActive', () => {
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let query = new Query(TestData)
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.sort('isActive')
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.results;
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.sort('isActive')
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.results
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expect(query[0].name).toBe('Katelyn Steele');
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});
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expect(query[0].name).toBe('Katelyn Steele')
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})
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test('should sort by number netWorth', () => {
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let query = new Query(TestData)
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.sort('netWorth')
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.results;
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.sort('netWorth')
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.results
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expect(query[0].name).toBe('Howard Buckley'); // Negative
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expect(query[1].name).toBe('Natalia Petty'); // 0
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expect(query[query.length - 1].name).toBe('Newman Mays'); // Richest
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});
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expect(query[0].name).toBe('Howard Buckley') // Negative
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expect(query[1].name).toBe('Natalia Petty') // 0
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expect(query[query.length - 1].name).toBe('Newman Mays') // Richest
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})
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test('should sort by string name', () => {
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let query = new Query(TestData)
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.sort('name')
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.results;
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.sort('name')
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.results
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expect(query[0].name).toBe('Dudley Conner');
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});
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expect(query[0].name).toBe('Dudley Conner')
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})
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test('should filter', () => {
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let isAgeOver33 = a => a.age > 33;
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let isAgeOver33 = a => a.age > 33
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let query = new Query(TestData)
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.filter(isAgeOver33)
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.results;
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.filter(isAgeOver33)
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.results
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expect(query[0].name).toBe('Howard Buckley');
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});
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expect(query[0].name).toBe('Howard Buckley')
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})
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test('should filter by key', () => {
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let isNumGT33 = num => num > 33;
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let isNumGT33 = num => num > 33
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let query = new Query(TestData)
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.filterBy('age', isNumGT33)
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.results;
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.filterBy('age', isNumGT33)
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.results
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expect(query[0].name).toBe('Howard Buckley');
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});
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expect(query[0].name).toBe('Howard Buckley')
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})
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test('should chain everything together', () => {
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let query = new Query(TestData)
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.search('isActive', true)
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.sort('name')
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.paginate(1, 2)
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.results;
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.search('isActive', true)
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.sort('name')
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.paginate(1, 2)
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.results
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expect(query.length).toBe(2);
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expect(query[0].name).toBe('Dudley Conner');
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expect(query[query.length - 1].name).toBe('Haynes Meadows');
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});
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expect(query.length).toBe(2)
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expect(query[0].name).toBe('Dudley Conner')
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expect(query[query.length - 1].name).toBe('Haynes Meadows')
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})
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10
package.json
10
package.json
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@ -5,7 +5,8 @@
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"main": "index.js",
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"scripts": {
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"test": "jest --coverage && npm run badge",
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"badge": "lcov-badge coverage/lcov.info -o coverage.svg"
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"badge": "lcov-badge coverage/lcov.info -o coverage.svg",
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"lint": "eslint ./*.js"
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},
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"repository": {
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"type": "git",
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},
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"homepage": "https://github.com/sharpshark28/json-query-chain#readme",
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"devDependencies": {
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"eslint": "^4.18.1",
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"eslint-config-standard": "^11.0.0",
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"eslint-plugin-import": "^2.9.0",
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"eslint-plugin-jest": "^21.12.2",
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"eslint-plugin-node": "^6.0.0",
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"eslint-plugin-promise": "^3.6.0",
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"eslint-plugin-standard": "^3.0.1",
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"jest": "^20.0.4",
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"lcov-badge": "^1.0.4"
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}
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