diff --git a/README.md b/README.md index 0674050..d837168 100644 --- a/README.md +++ b/README.md @@ -2,34 +2,38 @@ [![Build Status](https://travis-ci.org/sharpshark28/json-query-chain.svg?branch=master)](https://travis-ci.org/sharpshark28/json-query-chain) [![npm version](https://badge.fury.io/js/json-query-chain.svg)](https://badge.fury.io/js/json-query-chain) ![Code Coverage](coverage.svg) [![Maintainability](https://api.codeclimate.com/v1/badges/4dc20d8b5e6a7334044d/maintainability)](https://codeclimate.com/github/sharpshark28/json-query-chain/maintainability) -Chain queries onto POJOs to return precise results. +Chain queries onto arrays and arrays of objects to return precise results. See [example usages in the tests](./index.test.js) running on [this test data](./testdata.json). ## Usage ```javascript import Query from 'json-query-chain'; -let myQ = new Query(someJsonData) +let query = new Query(someJsonData) .search('isActiveUser', true) .results; + +console.log('Results: ', query); ``` ### Chainable Methods #### Search -Currently supports booleans and strings. (See [#1](https://github.com/sharpshark28/json-query-chain/issues/1) for Integer Support) - ##### By Boolean +Acts as a smart filter returning only elements who's key matches the expected result. + ```javascript -.search('isActiveUser', true) +.search(true, 'isActiveUser') ``` ##### By String +Sorts and filters out any elements in the array not matching the requested value while attempting to raise the best results to the top (most frequent number of occurrences). + ```javascript -.search('name', 'steele') +.search('steele', 'name') ``` #### Filter @@ -42,30 +46,40 @@ Simpler version of search using a custom function in the chain. ##### By Key +Like `.filter()`, but narrowed down by key. + ```javascript .filterBy('age', x => x >= 21) ``` #### Sort +A chainable version of javascript's built in array sort. + ``` .sort((a, b) => a > b) ``` ##### By Boolean +Abstracted sort by matching a key to a boolean. + ```javascript .sortBy('isActiveUser') ``` ##### By String +Sorts alphabetically based on key. + ```javascript .sortBy('name') ``` ##### By Number +Sorts by ascending numerical order based on key. + ```javascript .sortBy('netWorth') ``` @@ -78,7 +92,7 @@ Page 1 with 5 results per page. .paginate(1, 5) ``` -Page 2 wtih default of 10 results per page. +Page 2 with default of 10 results per page. ```javascript .paginate(2) diff --git a/coverage/clover.xml b/coverage/clover.xml deleted file mode 100644 index 91c71be..0000000 --- a/coverage/clover.xml +++ /dev/null @@ -1,38 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/coverage/coverage-final.json b/coverage/coverage-final.json deleted file mode 100644 index 9948dec..0000000 --- a/coverage/coverage-final.json +++ /dev/null @@ -1,2 +0,0 @@ -{"/Users/sharpshark28/web/json-query-chain/index.js": 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getNthColumn(currentSort.index), - cls = col.className; - - cls = cls.replace(/ sorted$/, '').replace(/ sorted-desc$/, ''); - col.className = cls; - } - // adds sort indicators for current column being sorted - function addSortIndicators() { - getNthColumn(currentSort.index).className += currentSort.desc ? ' sorted-desc' : ' sorted'; - } - // adds event listeners for all sorter widgets - function enableUI() { - var i, - el, - ithSorter = function ithSorter(i) { - var col = cols[i]; - - return function () { - var desc = col.defaultDescSort; - - if (currentSort.index === i) { - desc = !currentSort.desc; - } - sortByIndex(i, desc); - removeSortIndicators(); - currentSort.index = i; - currentSort.desc = desc; - addSortIndicators(); - }; - }; - for (i =0 ; i < cols.length; i += 1) { - if (cols[i].sortable) { - // add the click event handler on the th so users - // dont have to click on those tiny arrows - el = getNthColumn(i).querySelector('.sorter').parentElement; - if (el.addEventListener) { - el.addEventListener('click', ithSorter(i)); - } else { - el.attachEvent('onclick', ithSorter(i)); - } - } - } - } - // adds sorting functionality to the UI - return function () { - if (!getTable()) { - return; - } - cols = loadColumns(); - loadData(cols); - addSortIndicators(); - enableUI(); - }; -})(); - -window.addEventListener('load', addSorting); diff --git a/coverage/lcov.info b/coverage/lcov.info deleted file mode 100644 index 3c77eff..0000000 --- a/coverage/lcov.info +++ /dev/null @@ -1,73 +0,0 @@ -TN: -SF:/Users/sharpshark28/web/json-query-chain/index.js -FN:2,(anonymous_0) -FN:3,(anonymous_1) -FN:9,(anonymous_2) -FN:13,(anonymous_3) -FN:18,(anonymous_4) -FN:19,(anonymous_5) -FN:23,(anonymous_6) -FN:26,(anonymous_7) -FN:29,(anonymous_8) -FN:40,(anonymous_9) -FN:41,(anonymous_10) -FN:49,(anonymous_11) -FNF:12 -FNH:12 -FNDA:12,(anonymous_0) -FNDA:108,(anonymous_1) -FNDA:12,(anonymous_2) -FNDA:1,(anonymous_3) -FNDA:1,(anonymous_4) -FNDA:9,(anonymous_5) -FNDA:3,(anonymous_6) -FNDA:18,(anonymous_7) -FNDA:9,(anonymous_8) -FNDA:4,(anonymous_9) -FNDA:48,(anonymous_10) -FNDA:4,(anonymous_11) -DA:1,1 -DA:3,12 -DA:4,108 -DA:5,108 -DA:10,12 -DA:14,1 -DA:15,1 -DA:19,9 -DA:20,1 -DA:24,3 -DA:26,18 -DA:27,2 -DA:29,1 -DA:30,9 -DA:31,9 -DA:32,9 -DA:33,9 -DA:35,1 -DA:37,3 -DA:41,4 -DA:42,48 -DA:43,38 -DA:44,11 -DA:46,4 -DA:50,4 -DA:51,4 -DA:52,4 -DA:53,4 -LF:28 -LH:28 -BRDA:23,0,0,3 -BRDA:24,1,0,2 -BRDA:24,1,1,1 -BRDA:31,2,0,9 -BRDA:31,2,1,7 -BRDA:40,3,0,0 -BRDA:42,4,0,10 -BRDA:42,4,1,38 -BRDA:43,5,0,27 -BRDA:43,5,1,11 -BRDA:49,6,0,1 -BRDA:49,7,0,1 -BRF:12 -BRH:11 -end_of_record diff --git a/index.js b/index.js index 9626309..ef6fad7 100644 --- a/index.js +++ b/index.js @@ -53,7 +53,7 @@ module.exports = class Query { if (a[key] > b[key]) return 1 return 0 }) - } else console.warn('Attempted to use sortBy with a flat array') + } else console.warn('Attempted to use sortBy with a flat array. Try .sort(func) instead.') return this } diff --git a/index.test.js b/index.test.js index 0bf96ef..422092e 100644 --- a/index.test.js +++ b/index.test.js @@ -10,206 +10,233 @@ test('should not modify passed data without chain alterations', () => { expect(query).toMatchObject(TestData) }) -test('should paginate with flat array data', () => { - let query = new Query(arrayOf100Things) - .paginate() - .results +describe('.paginate()', () => { + test('with a flat array', () => { + let query = new Query(arrayOf100Things) + .paginate() + .results - expect(query.length).toBe(10) + expect(query.length).toBe(10) + }) + + test('using default params', () => { + let query = new Query(TestData) + .paginate() + .results + + expect(query.length).toBe(9) + }) + + test('with custom page length, first page', () => { + let query = new Query(TestData) + .paginate(1, 3) + .results + + expect(query.length).toBe(3) + expect(query[0].name).toBe('Haynes Meadows') + }) + + test('with custom page length, second page', () => { + let query = new Query(TestData) + .paginate(2, 3) + .results + + expect(query.length).toBe(3) + expect(query[0].name).toBe('Howard Buckley') + }) }) -test('should paginate with default params', () => { - let query = new Query(TestData) - .paginate() - .results +describe('.search()', () => { + test('partial string in flat array of strings', () => { + let query = new Query(['bar', 'foo', 'foobar', 'foofoobar']) + .search('foo') + .results - expect(query.length).toBe(9) + expect(query[0]).toBe('foofoobar') + expect(query).toContain('foo') + expect(query).not.toContain('bar') + }) + + test('by name with value/key', () => { + let query = new Query(TestData) + .search('steele', 'name') + .results + + expect(query.length).toBe(2) + }) + + test('by boolean isActive', () => { + let query = new Query(TestData) + .search(true, 'isActive') + .results + + expect(query.length).toBe(4) + }) + + test('by boolean isActive, false', () => { + let query = new Query(TestData) + .search(false, 'isActive') + .results + + expect(query.length).toBe(5) + }) + + test('warn when searching a flat array of booleans', () => { + let consoleWarnSpy = jest.spyOn(global.console, 'warn') + consoleWarnSpy.mockImplementation(() => {}) + + let query = new Query(arrayOf100Things) + .search(true, 'N/A') + .results + + expect(query).toEqual(arrayOf100Things) + expect(consoleWarnSpy).toHaveBeenCalled() + + consoleWarnSpy.mockReset() + consoleWarnSpy.mockRestore() + }) }) -test('should paginate with custom page length', () => { - let query = new Query(TestData) - .paginate(1, 3) - .results +describe('.sort()', () => { + test('with flat array', () => { + let alphabetical = (a, b) => a > b - expect(query.length).toBe(3) - expect(query[0].name).toBe('Haynes Meadows') + let query = new Query(['foo', 'bar', 'foobar']) + .sort(alphabetical) + .results + + expect(query[0]).toBe('bar') + expect(query[1]).toBe('foo') + expect(query[2]).toBe('foobar') + }) + + test('with an array of objects', () => { + let alphabetical = (a, b) => a.name > b.name + + let query = new Query(TestData) + .sort(alphabetical) + .results + + expect(query[0].name).toBe('Dudley Conner') + expect(query[query.length - 1].name).toBe('Wade Steele') + }) }) -test('should paginate to second page with custom page length', () => { - let query = new Query(TestData) - .paginate(2, 3) - .results +describe('.sortBy()', () => { + test('by boolean', () => { + let query = new Query(TestData) + .sortBy('isActive') + .results - expect(query.length).toBe(3) - expect(query[0].name).toBe('Howard Buckley') + expect(query[0].name).toBe('Katelyn Steele') + }) + + test('by number', () => { + let query = new Query(TestData) + .sortBy('netWorth') + .results + + expect(query[0].name).toBe('Howard Buckley') // Negative + expect(query[1].name).toBe('Natalia Petty') // 0 + expect(query[query.length - 1].name).toBe('Newman Mays') // Richest + }) + + test('by string', () => { + let query = new Query(TestData) + .sortBy('name') + .results + + expect(query[0].name).toBe('Dudley Conner') + }) + + test('warn when using sortBy with a flat array', () => { + let consoleWarnSpy = jest.spyOn(global.console, 'warn') + consoleWarnSpy.mockImplementation(() => {}) + + let query = new Query(arrayOf100Things) + .sortBy('N/A') + .results + + expect(query).toEqual(arrayOf100Things) + expect(consoleWarnSpy).toHaveBeenCalled() + + consoleWarnSpy.mockReset() + consoleWarnSpy.mockRestore() + }) }) -test('should search and sort on flat array of strings', () => { - let query = new Query(['bar', 'foo', 'foobar', 'foofoobar']) - .search('foo') - .results +describe('.filter()', () => { + test('with a flat array', () => { + let isEven = a => !(a % 2) - expect(query[0]).toBe('foofoobar') - expect(query).toContain('foo') - expect(query).not.toContain('bar') + let query = new Query(arrayOf100Things) + .filter(isEven) + .results + + expect(query).toContain(2) + expect(query).not.toContain(1) + }) + + test('with an array of objects', () => { + let isAgeOver33 = a => a.age > 33 + + let query = new Query(TestData) + .filter(isAgeOver33) + .results + + expect(query[0].name).toBe('Howard Buckley') + }) }) -test('should search by flat array by boolean', () => { - let consoleWarnSpy = jest.spyOn(global.console, 'warn') - consoleWarnSpy.mockImplementation(() => {}) +describe('.filterBy()', () => { + test('by key', () => { + let isNumGT33 = num => num > 33 - let query = new Query(arrayOf100Things) - .search(true, 'dumbKey') - .results + let query = new Query(TestData) + .filterBy('age', isNumGT33) + .results - expect(query).toEqual(arrayOf100Things) - expect(consoleWarnSpy).toHaveBeenCalled() + expect(query[0].name).toBe('Howard Buckley') + }) - consoleWarnSpy.mockReset() - consoleWarnSpy.mockRestore() + test('warn when using filterBy with a flat array', () => { + let consoleWarnSpy = jest.spyOn(global.console, 'warn') + consoleWarnSpy.mockImplementation(() => {}) + + let query = new Query(arrayOf100Things) + .filterBy('N/A', () => {}) + .results + + expect(query).toEqual(arrayOf100Things) + expect(consoleWarnSpy).toHaveBeenCalled() + + consoleWarnSpy.mockReset() + consoleWarnSpy.mockRestore() + }) }) -test('should search by boolean isActive', () => { - let query = new Query(TestData) - .search(true, 'isActive') - .results +describe('chaining everything together', () => { + test('with a flat array', () => { + let query = new Query(['bar', 'foo', 'foobar', 'foofoobar']) + .search('foo') + .sort() + .paginate(1, 2) + .results - expect(query.length).toBe(4) -}) - -test('should search partial matching on strings with flat array', () => { - let query = new Query(['foo', 'bar', 'foobar']) - .search('foo') - .results - - expect(query[0]).toBe('foobar') - expect(query[1]).toBe('foo') -}) - -test('should search by name', () => { - let query = new Query(TestData) - .search('steele', 'name') - .results - - expect(query.length).toBe(2) -}) - -test('should sort alphabetically with custom function', () => { - let alphabetical = (a, b) => a.name > b.name - - let query = new Query(TestData) - .sort(alphabetical) - .results - - expect(query[0].name).toBe('Dudley Conner') - expect(query[query.length - 1].name).toBe('Wade Steele') -}) - -test('should sort alphabetically with flat array', () => { - let query = new Query(['foo', 'bar', 'foobar']) - .sort((a, b) => a > b) - .results - - expect(query[0]).toBe('bar') - expect(query[1]).toBe('foo') - expect(query[2]).toBe('foobar') -}) - -test('should sortBy do nothing with flat array', () => { - let consoleWarnSpy = jest.spyOn(global.console, 'warn') - consoleWarnSpy.mockImplementation(() => {}) - - let query = new Query(arrayOf100Things) - .sortBy('dumbKey') - .results - - expect(query).toEqual(arrayOf100Things) - expect(consoleWarnSpy).toHaveBeenCalled() - - consoleWarnSpy.mockReset() - consoleWarnSpy.mockRestore() -}) - -test('should sortBy boolean isActive', () => { - let query = new Query(TestData) - .sortBy('isActive') - .results - - expect(query[0].name).toBe('Katelyn Steele') -}) - -test('should sortBy number netWorth', () => { - let query = new Query(TestData) - .sortBy('netWorth') - .results - - expect(query[0].name).toBe('Howard Buckley') // Negative - expect(query[1].name).toBe('Natalia Petty') // 0 - expect(query[query.length - 1].name).toBe('Newman Mays') // Richest -}) - -test('should sortBy string name', () => { - let query = new Query(TestData) - .sortBy('name') - .results - - expect(query[0].name).toBe('Dudley Conner') -}) - -test('should filter a flat array', () => { - let isEven = a => !(a % 2) - - let query = new Query(arrayOf100Things) - .filter(isEven) - .results - - expect(query).toContain(2) - expect(query).not.toContain(1) -}) - -test('should filter', () => { - let isAgeOver33 = a => a.age > 33 - - let query = new Query(TestData) - .filter(isAgeOver33) - .results - - expect(query[0].name).toBe('Howard Buckley') -}) - -test('should filter by key, with flat array', () => { - let consoleWarnSpy = jest.spyOn(global.console, 'warn') - consoleWarnSpy.mockImplementation(() => {}) - - let query = new Query(arrayOf100Things) - .filterBy('dumbKey', () => {}) - .results - - expect(query).toEqual(arrayOf100Things) - expect(consoleWarnSpy).toHaveBeenCalled() - - consoleWarnSpy.mockReset() - consoleWarnSpy.mockRestore() -}) - -test('should filter by key', () => { - let isNumGT33 = num => num > 33 - - let query = new Query(TestData) - .filterBy('age', isNumGT33) - .results - - expect(query[0].name).toBe('Howard Buckley') -}) - -test('should chain everything together', () => { - let query = new Query(TestData) - .search(true, 'isActive') - .sortBy('name') - .paginate(1, 2) - .results - - expect(query.length).toBe(2) - expect(query[0].name).toBe('Dudley Conner') - expect(query[query.length - 1].name).toBe('Haynes Meadows') + expect(query.length).toBe(2) + expect(query[0]).toBe('foo') + expect(query[1]).toBe('foobar') + }) + + test('with an array of objects', () => { + let query = new Query(TestData) + .search(true, 'isActive') + .sortBy('name') + .paginate(1, 2) + .results + + expect(query.length).toBe(2) + expect(query[0].name).toBe('Dudley Conner') + expect(query[query.length - 1].name).toBe('Haynes Meadows') + }) })