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wrist/		98.33%	59/60	86.96%	40/46	92.31%	12/13	98.25%	56/57

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78 | 82 | 83 | 84 | 91 | 92 | 93 | 94 | -------------------------------------------------------------------------------- /coverage/lcov-report/wrist/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Code coverage report for wrist/ 5 | 6 | 7 | 8 | 9 | 14 | 15 | 16 |

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wrist.js		98.33%	59/60	86.96%	40/46	92.31%	12/13	98.25%	56/57

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78 | 82 | 83 | 84 | 91 | 92 | 93 | 94 | -------------------------------------------------------------------------------- /wrist.js: -------------------------------------------------------------------------------- 1 | /*! (C) 2017 Andrea Giammarchi - MIT Style License */ 2 | /* 3 | Copyright (C) 2017 by Andrea Giammarchi - @WebReflection 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in 13 | all copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 | THE SOFTWARE. 22 | */ 23 | var wrist = (function (O) {'use strict'; 24 | var 25 | ADD_EVENT = 'addEventListener', 26 | REMOVE_EVENT = 'removeEventListener', 27 | SECRET = '__oO()' + Math.random(), 28 | empty = {}, 29 | hOP = empty.hasOwnProperty, 30 | dP = O.defineProperty, 31 | gOPD = O.getOwnPropertyDescriptor, 32 | gPO = O.getPrototypeOf, 33 | gD = function (o, p) { 34 | if (p in o) { 35 | while (o && !hOP.call(o, p)) o = gPO(o); 36 | if (o) return gOPD(o, p); 37 | } 38 | }, 39 | wm = typeof WeakMap == 'function' ? 40 | new WeakMap : 41 | { 42 | get: function (a, b) { 43 | return hOP.call(a, SECRET) ? 44 | a[SECRET] : b; 45 | }, 46 | set: function (a, b) { 47 | dP(a, SECRET, {value: b}); 48 | } 49 | } 50 | ; 51 | 52 | function Wrist() {} 53 | Wrist.prototype = Object.create(null); 54 | 55 | function createWrist(object) { 56 | var wrist = new Wrist; 57 | wm.set(object, wrist); 58 | return wrist; 59 | } 60 | 61 | function createWatcher(object, wrist, prop) { 62 | var 63 | set = function ($) { 64 | var i, length, old; 65 | if (this === object) { 66 | if (value !== $) { 67 | old = value; 68 | value = $; 69 | setter.call(object, value); 70 | i = 0; 71 | length = callbacks.length; 72 | while (i < length) 73 | callbacks[i++].call(object, prop, old, value); 74 | } 75 | } else { 76 | setter.call(this, $); 77 | } 78 | }, 79 | callbacks = [], 80 | descriptor = gD(object, prop) || empty, 81 | getter = descriptor.get || function () { return value; }, 82 | setter = descriptor.set || function ($) { value = $; }, 83 | value = hOP.call(descriptor, 'value') ? 84 | descriptor.value : getter.call(object) 85 | ; 86 | 87 | return (wrist[prop] = { 88 | // ignored descriptor properties 89 | _: callbacks, 90 | d: descriptor === empty ? null : descriptor, 91 | h: function (e) { set.call(e.target, object[prop]); }, 92 | // regular descriptors properties 93 | configurable: true, 94 | enumerable: hOP.call(descriptor, 'enumerable') ? 95 | descriptor.enumerable : 96 | (String(prop)[0] !== '_'), 97 | get: getter, 98 | set: set 99 | }); 100 | } 101 | 102 | function unwatch(object, prop, callback) { 103 | var wrist = wm.get(object), callbacks, i, watcher; 104 | if (wrist && prop in wrist) { 105 | watcher = wrist[prop]; 106 | callbacks = watcher._; 107 | i = callbacks.indexOf(callback); 108 | if (-1 < i) { 109 | callbacks.splice(i, 1); 110 | if (callbacks.length < 1) { 111 | delete wrist[prop]; 112 | if (watcher.d) { 113 | dP(object, prop, watcher.d); 114 | } else { 115 | delete object[prop]; 116 | object[prop] = watcher.get.call(object); 117 | } 118 | if (REMOVE_EVENT in object) { 119 | object[REMOVE_EVENT]('change', watcher.h, false); 120 | object[REMOVE_EVENT]('input', watcher.h, false); 121 | } 122 | } 123 | } 124 | } 125 | } 126 | 127 | return { 128 | watch: function watch(object, prop, callback) { 129 | var 130 | wrist = wm.get(object) || createWrist(object), 131 | watcher = wrist[prop] || createWatcher(object, wrist, prop), 132 | callbacks = watcher._ 133 | ; 134 | if (callbacks.indexOf(callback) < 0) { 135 | callbacks.push(callback); 136 | dP(object, prop, watcher); 137 | if (ADD_EVENT in object) { 138 | object[ADD_EVENT]('change', watcher.h, false); 139 | object[ADD_EVENT]('input', watcher.h, false); 140 | } 141 | } 142 | return {unwatch: unwatch.bind(null, object, prop, callback)}; 143 | }, 144 | unwatch: unwatch 145 | }; 146 | 147 | }(Object)); 148 | 149 | try { module.exports = wrist; } catch(o_O) {} 150 | -------------------------------------------------------------------------------- /test/test.js: -------------------------------------------------------------------------------- 1 | var test = require('tressa'); 2 | 3 | if (typeof global === 'undefined') window.global = window; 4 | 5 | var WeakMap = global.WeakMap; 6 | delete global.WeakMap; 7 | var wrist = require('../wrist'); 8 | global.WeakMap = WeakMap; 9 | 10 | var obj = {defined: true}; 11 | 12 | test.title('wrist'); 13 | 14 | test(typeof wrist === 'object', 'module status'); 15 | 16 | 17 | test.async(function (done) { 18 | wrist.watch(obj, 'test', function watcher(prop, prev, curr) { 19 | test.log('## undefined property'); 20 | test(this === obj, 'correct context'); 21 | test(prop === 'test', 'correct name'); 22 | test(prev === undefined, 'correct old value'); 23 | test(curr === 123, 'correct new value'); 24 | wrist.unwatch(obj, 'test', watcher); 25 | obj.test = null; 26 | done(); 27 | }); 28 | }); 29 | 30 | test.async(function (done) { 31 | wrist.watch(obj, 'defined', function watcher(prop, prev, curr) { 32 | test.log('## defined property'); 33 | test(this === obj, 'correct context'); 34 | test(prop === 'defined', 'correct name'); 35 | test(prev === true, 'correct old value'); 36 | test(curr === false, 'correct old value'); 37 | wrist.unwatch(obj, 'defined', watcher); 38 | obj.defined = null; 39 | done(); 40 | }); 41 | }); 42 | 43 | test.async(function (done) { 44 | var watcher = wrist.watch(obj, 'self', function (prop, prev, curr) { 45 | test.log('## watcher.unwatch()'); 46 | test(this === obj, 'correct context'); 47 | test(prop === 'self', 'correct name'); 48 | test(prev === undefined, 'correct old value'); 49 | test(curr === false, 'correct new value'); 50 | watcher.unwatch(); 51 | obj.self = null; 52 | done(); 53 | }); 54 | }); 55 | 56 | obj.test = 123; 57 | obj.defined = false; 58 | obj.self = false; 59 | 60 | test.async(function (done) { 61 | test.log('## no duplicates'); 62 | var o = {prop: 123}; 63 | var i = 0; 64 | var watcher = wrist.watch(o, 'prop', function (prop, prev, curr) { 65 | i++; 66 | test(this === o, 'correct context'); 67 | test(prop === 'prop', 'correct name'); 68 | test(prev === 123, 'correct old value'); 69 | test(curr === 456, 'correct new value'); 70 | }); 71 | test(i === 0, 'not called yet'); 72 | o.prop = 456; 73 | o.prop = 456; 74 | test(i === 1, 'called only once'); 75 | watcher.unwatch(); 76 | done(); 77 | }); 78 | 79 | test.async(function (done) { 80 | test.log('## inherited setter'); 81 | function Class() {} 82 | function watch(prop, prev, curr) { 83 | test(this === o, 'correct context'); 84 | test(prop === 'test', 'correct name'); 85 | test(prev === 0, 'correct old value'); 86 | test(curr === 1, 'correct new value'); 87 | } 88 | var i = 0; 89 | Object.defineProperty(Class.prototype, 'test', { 90 | configurable: true, 91 | get: function () { return i; }, 92 | set: function (l) { i = l; } 93 | }); 94 | var o = new Class(); 95 | wrist.watch(o, 'test', watch); 96 | o.test += 1; 97 | wrist.unwatch(o, 'test', watch); 98 | done(); 99 | }); 100 | 101 | test.async(function (done) { 102 | test.log('## own setter'); 103 | function watch(prop, prev, curr) { 104 | test(this === o, 'correct context'); 105 | test(prop === 'test', 'correct name'); 106 | test(prev === 0, 'correct old value'); 107 | test(curr === 1, 'correct new value'); 108 | } 109 | var i = 0; 110 | var o = Object.defineProperty({}, 'test', { 111 | configurable: true, 112 | get: function () { return i; }, 113 | set: function (l) { i = l; } 114 | }); 115 | wrist.watch(o, 'test', watch); 116 | o.test += 1; 117 | wrist.unwatch(o, 'test', watch); 118 | done(); 119 | }); 120 | 121 | test.async(function (done) { 122 | test.log('## borrowed setter'); 123 | function watch(prop, prev, curr) { 124 | ++j; 125 | } 126 | var i = 0; 127 | var j = 0; 128 | var o = Object.defineProperty({}, 'test', { 129 | configurable: true, 130 | get: function () { return i; }, 131 | set: function (l) { i = l; } 132 | }); 133 | wrist.watch(o, 'test', watch); 134 | var z = Object.defineProperty({}, 'test', 135 | Object.getOwnPropertyDescriptor(o, 'test')); 136 | z.test = 456; 137 | test(j === 0, 'watcher not involved'); 138 | test(i === 456, 'setter called'); 139 | wrist.unwatch(o, 'test', watch); 140 | done(); 141 | }); 142 | 143 | 144 | test.async(function (done) { 145 | if (typeof document === 'undefined') { 146 | require('jsdom').env('', [], check); 147 | } else { 148 | document.body.appendChild(document.createElement('input')); 149 | check(null, window); 150 | } 151 | function check(err, window) { 152 | test.log('## DOM elements'); 153 | var input = window.document.body.getElementsByTagName('input')[0]; 154 | var value = ''; 155 | var watcher = wrist.watch(input, 'value', function (prop, prev, curr) { 156 | test(prop === 'value', 'correct name'); 157 | test(prev === value, 'correct old value'); 158 | test(curr === value + '0', 'correct new value'); 159 | value += '0'; 160 | }); 161 | input.value = '0'; 162 | setTimeout(function () { 163 | input.value += '0'; 164 | setTimeout(function () { 165 | watcher.unwatch(); 166 | done(); 167 | // for testing purpose only 168 | window.wrist = wrist; 169 | }, 1); 170 | }); 171 | } 172 | }); 173 | -------------------------------------------------------------------------------- /coverage/lcov-report/sorter.js: -------------------------------------------------------------------------------- 1 | var addSorting = (function () { 2 | "use strict"; 3 | var cols, 4 | currentSort = { 5 | index: 0, 6 | desc: false 7 | }; 8 | 9 | // returns the summary table element 10 | function getTable() { return document.querySelector('.coverage-summary'); } 11 | // returns the thead element of the summary table 12 | function getTableHeader() { return getTable().querySelector('thead tr'); } 13 | // returns the tbody element of the summary table 14 | function getTableBody() { return getTable().querySelector('tbody'); } 15 | // returns the th element for nth column 16 | function getNthColumn(n) { return getTableHeader().querySelectorAll('th')[n]; } 17 | 18 | // loads all columns 19 | function loadColumns() { 20 | var colNodes = getTableHeader().querySelectorAll('th'), 21 | colNode, 22 | cols = [], 23 | col, 24 | i; 25 | 26 | for (i = 0; i < colNodes.length; i += 1) { 27 | colNode = colNodes[i]; 28 | col = { 29 | key: colNode.getAttribute('data-col'), 30 | sortable: !colNode.getAttribute('data-nosort'), 31 | type: colNode.getAttribute('data-type') || 'string' 32 | }; 33 | cols.push(col); 34 | if (col.sortable) { 35 | col.defaultDescSort = col.type === 'number'; 36 | colNode.innerHTML = colNode.innerHTML + ''; 37 | } 38 | } 39 | return cols; 40 | } 41 | // attaches a data attribute to every tr element with an object 42 | // of data values keyed by column name 43 | function loadRowData(tableRow) { 44 | var tableCols = tableRow.querySelectorAll('td'), 45 | colNode, 46 | col, 47 | data = {}, 48 | i, 49 | val; 50 | for (i = 0; i < tableCols.length; i += 1) { 51 | colNode = tableCols[i]; 52 | col = cols[i]; 53 | val = colNode.getAttribute('data-value'); 54 | if (col.type === 'number') { 55 | val = Number(val); 56 | } 57 | data[col.key] = val; 58 | } 59 | return data; 60 | } 61 | // loads all row data 62 | function loadData() { 63 | var rows = getTableBody().querySelectorAll('tr'), 64 | i; 65 | 66 | for (i = 0; i < rows.length; i += 1) { 67 | rows[i].data = loadRowData(rows[i]); 68 | } 69 | } 70 | // sorts the table using the data for the ith column 71 | function sortByIndex(index, desc) { 72 | var key = cols[index].key, 73 | sorter = function (a, b) { 74 | a = a.data[key]; 75 | b = b.data[key]; 76 | return a < b ? -1 : a > b ? 1 : 0; 77 | }, 78 | finalSorter = sorter, 79 | tableBody = document.querySelector('.coverage-summary tbody'), 80 | rowNodes = tableBody.querySelectorAll('tr'), 81 | rows = [], 82 | i; 83 | 84 | if (desc) { 85 | finalSorter = function (a, b) { 86 | return -1 * sorter(a, b); 87 | }; 88 | } 89 | 90 | for (i = 0; i < rowNodes.length; i += 1) { 91 | rows.push(rowNodes[i]); 92 | tableBody.removeChild(rowNodes[i]); 93 | } 94 | 95 | rows.sort(finalSorter); 96 | 97 | for (i = 0; i < rows.length; i += 1) { 98 | tableBody.appendChild(rows[i]); 99 | } 100 | } 101 | // removes sort indicators for current column being sorted 102 | function removeSortIndicators() { 103 | var col = getNthColumn(currentSort.index), 104 | cls = col.className; 105 | 106 | cls = cls.replace(/ sorted$/, '').replace(/ sorted-desc$/, ''); 107 | col.className = cls; 108 | } 109 | // adds sort indicators for current column being sorted 110 | function addSortIndicators() { 111 | getNthColumn(currentSort.index).className += currentSort.desc ? ' sorted-desc' : ' sorted'; 112 | } 113 | // adds event listeners for all sorter widgets 114 | function enableUI() { 115 | var i, 116 | el, 117 | ithSorter = function ithSorter(i) { 118 | var col = cols[i]; 119 | 120 | return function () { 121 | var desc = col.defaultDescSort; 122 | 123 | if (currentSort.index === i) { 124 | desc = !currentSort.desc; 125 | } 126 | sortByIndex(i, desc); 127 | removeSortIndicators(); 128 | currentSort.index = i; 129 | currentSort.desc = desc; 130 | addSortIndicators(); 131 | }; 132 | }; 133 | for (i =0 ; i < cols.length; i += 1) { 134 | if (cols[i].sortable) { 135 | // add the click event handler on the th so users 136 | // dont have to click on those tiny arrows 137 | el = getNthColumn(i).querySelector('.sorter').parentElement; 138 | if (el.addEventListener) { 139 | el.addEventListener('click', ithSorter(i)); 140 | } else { 141 | el.attachEvent('onclick', ithSorter(i)); 142 | } 143 | } 144 | } 145 | } 146 | // adds sorting functionality to the UI 147 | return function () { 148 | if (!getTable()) { 149 | return; 150 | } 151 | cols = loadColumns(); 152 | loadData(cols); 153 | addSortIndicators(); 154 | enableUI(); 155 | }; 156 | })(); 157 | 158 | window.addEventListener('load', addSorting); 159 | -------------------------------------------------------------------------------- /coverage/lcov-report/base.css: -------------------------------------------------------------------------------- 1 | body, html { 2 | margin:0; padding: 0; 3 | height: 100%; 4 | } 5 | body { 6 | font-family: Helvetica Neue, Helvetica, Arial; 7 | font-size: 14px; 8 | color:#333; 9 | } 10 | .small { font-size: 12px; } 11 | *, *:after, *:before { 12 | -webkit-box-sizing:border-box; 13 | -moz-box-sizing:border-box; 14 | box-sizing:border-box; 15 | } 16 | h1 { font-size: 20px; margin: 0;} 17 | h2 { font-size: 14px; } 18 | pre { 19 | font: 12px/1.4 Consolas, "Liberation Mono", Menlo, Courier, monospace; 20 | margin: 0; 21 | padding: 0; 22 | -moz-tab-size: 2; 23 | -o-tab-size: 2; 24 | tab-size: 2; 25 | } 26 | a { color:#0074D9; text-decoration:none; } 27 | a:hover { text-decoration:underline; } 28 | .strong { font-weight: bold; } 29 | .space-top1 { padding: 10px 0 0 0; } 30 | .pad2y { padding: 20px 0; } 31 | .pad1y { padding: 10px 0; } 32 | .pad2x { padding: 0 20px; } 33 | .pad2 { padding: 20px; } 34 | .pad1 { padding: 10px; } 35 | .space-left2 { padding-left:55px; } 36 | .space-right2 { padding-right:20px; } 37 | .center { text-align:center; } 38 | .clearfix { display:block; } 39 | .clearfix:after { 40 | content:''; 41 | display:block; 42 | height:0; 43 | clear:both; 44 | visibility:hidden; 45 | } 46 | .fl { float: left; } 47 | @media only screen and (max-width:640px) { 48 | .col3 { width:100%; max-width:100%; } 49 | .hide-mobile { display:none!important; } 50 | } 51 | 52 | .quiet { 53 | color: #7f7f7f; 54 | color: rgba(0,0,0,0.5); 55 | } 56 | .quiet a { opacity: 0.7; } 57 | 58 | .fraction { 59 | font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace; 60 | font-size: 10px; 61 | color: #555; 62 | background: #E8E8E8; 63 | padding: 4px 5px; 64 | border-radius: 3px; 65 | vertical-align: middle; 66 | } 67 | 68 | div.path a:link, div.path a:visited { color: #333; } 69 | table.coverage { 70 | border-collapse: collapse; 71 | margin: 10px 0 0 0; 72 | padding: 0; 73 | } 74 | 75 | table.coverage td { 76 | margin: 0; 77 | padding: 0; 78 | vertical-align: top; 79 | } 80 | table.coverage td.line-count { 81 | text-align: right; 82 | padding: 0 5px 0 20px; 83 | } 84 | table.coverage td.line-coverage { 85 | text-align: right; 86 | padding-right: 10px; 87 | min-width:20px; 88 | } 89 | 90 | table.coverage td span.cline-any { 91 | display: inline-block; 92 | padding: 0 5px; 93 | width: 100%; 94 | } 95 | .missing-if-branch { 96 | display: inline-block; 97 | margin-right: 5px; 98 | border-radius: 3px; 99 | position: relative; 100 | padding: 0 4px; 101 | background: #333; 102 | color: yellow; 103 | } 104 | 105 | .skip-if-branch { 106 | display: none; 107 | margin-right: 10px; 108 | position: relative; 109 | padding: 0 4px; 110 | background: #ccc; 111 | color: white; 112 | } 113 | .missing-if-branch .typ, .skip-if-branch .typ { 114 | color: inherit !important; 115 | } 116 | .coverage-summary { 117 | border-collapse: collapse; 118 | width: 100%; 119 | } 120 | .coverage-summary tr { border-bottom: 1px solid #bbb; } 121 | .keyline-all { border: 1px solid #ddd; } 122 | .coverage-summary td, .coverage-summary th { padding: 10px; } 123 | .coverage-summary tbody { border: 1px solid #bbb; } 124 | .coverage-summary td { border-right: 1px solid #bbb; } 125 | .coverage-summary td:last-child { border-right: none; } 126 | .coverage-summary th { 127 | text-align: left; 128 | font-weight: normal; 129 | white-space: nowrap; 130 | } 131 | .coverage-summary th.file { border-right: none !important; } 132 | .coverage-summary th.pct { } 133 | .coverage-summary th.pic, 134 | .coverage-summary th.abs, 135 | .coverage-summary td.pct, 136 | .coverage-summary td.abs { text-align: right; } 137 | .coverage-summary td.file { white-space: nowrap; } 138 | .coverage-summary td.pic { min-width: 120px !important; } 139 | .coverage-summary tfoot td { } 140 | 141 | .coverage-summary .sorter { 142 | height: 10px; 143 | width: 7px; 144 | display: inline-block; 145 | margin-left: 0.5em; 146 | background: url(sort-arrow-sprite.png) no-repeat scroll 0 0 transparent; 147 | } 148 | .coverage-summary .sorted .sorter { 149 | background-position: 0 -20px; 150 | } 151 | .coverage-summary .sorted-desc .sorter { 152 | background-position: 0 -10px; 153 | } 154 | .status-line { height: 10px; } 155 | /* dark red */ 156 | .red.solid, .status-line.low, .low .cover-fill { background:#C21F39 } 157 | .low .chart { border:1px solid #C21F39 } 158 | /* medium red */ 159 | .cstat-no, .fstat-no, .cbranch-no, .cbranch-no { background:#F6C6CE } 160 | /* light red */ 161 | .low, .cline-no { background:#FCE1E5 } 162 | /* light green */ 163 | .high, .cline-yes { background:rgb(230,245,208) } 164 | /* medium green */ 165 | .cstat-yes { background:rgb(161,215,106) } 166 | /* dark green */ 167 | .status-line.high, .high .cover-fill { background:rgb(77,146,33) } 168 | .high .chart { border:1px solid rgb(77,146,33) } 169 | /* dark yellow (gold) */ 170 | .medium .chart { border:1px solid #f9cd0b; } 171 | .status-line.medium, .medium .cover-fill { background: #f9cd0b; } 172 | /* light yellow */ 173 | .medium { background: #fff4c2; } 174 | /* light gray */ 175 | span.cline-neutral { background: #eaeaea; } 176 | 177 | .cbranch-no { background: yellow !important; color: #111; } 178 | 179 | .cstat-skip { background: #ddd; color: #111; } 180 | .fstat-skip { background: #ddd; color: #111 !important; } 181 | .cbranch-skip { background: #ddd !important; color: #111; } 182 | 183 | 184 | .cover-fill, .cover-empty { 185 | display:inline-block; 186 | height: 12px; 187 | } 188 | .chart { 189 | line-height: 0; 190 | } 191 | .cover-empty { 192 | background: white; 193 | } 194 | .cover-full { 195 | border-right: none !important; 196 | } 197 | pre.prettyprint { 198 | border: none !important; 199 | padding: 0 !important; 200 | margin: 0 !important; 201 | } 202 | .com { color: #999 !important; } 203 | .ignore-none { color: #999; font-weight: normal; } 204 | 205 | .wrapper { 206 | min-height: 100%; 207 | height: auto !important; 208 | height: 100%; 209 | margin: 0 auto -48px; 210 | } 211 | .footer, .push { 212 | height: 48px; 213 | } 214 | -------------------------------------------------------------------------------- /coverage/coverage.json: -------------------------------------------------------------------------------- 1 | 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-------------------------------------------------------------------------------- /coverage/lcov-report/wrist/wrist.js.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Code coverage report for wrist/wrist.js 5 | 6 | 7 | 8 | 9 | 14 | 15 | 16 |

17 |

18 |

19 | all files / wrist/ wrist.js 20 |

21 |

22 |

23 | 98.33% 24 | Statements 25 | 59/60 26 |

27 |

28 | 86.96% 29 | Branches 30 | 40/46 31 |

32 |

33 | 92.31% 34 | Functions 35 | 12/13 36 |

37 |

38 | 98.25% 39 | Lines 40 | 56/57 41 |

42 |

43 |

44 |

45 |


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344 |   /*! (C) 2017 Andrea Giammarchi - MIT Style License */
345 | /*
346 |   Copyright (C) 2017 by Andrea Giammarchi - @WebReflection
347 |  
348 |   Permission is hereby granted, free of charge, to any person obtaining a copy
349 |   of this software and associated documentation files (the "Software"), to deal
350 |   in the Software without restriction, including without limitation the rights
351 |   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
352 |   copies of the Software, and to permit persons to whom the Software is
353 |   furnished to do so, subject to the following conditions:
354 |  
355 |   The above copyright notice and this permission notice shall be included in
356 |   all copies or substantial portions of the Software.
357 |  
358 |   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
359 |   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
360 |   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
361 |   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
362 |   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
363 |   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
364 |   THE SOFTWARE.
365 | */
366 | var wrist = (function (O) {'use strict';
367 |   var
368 |     ADD_EVENT = 'addEventListener',
369 |     REMOVE_EVENT = 'removeEventListener',
370 |     SECRET = '__oO()' + Math.random(),
371 |     empty = {},
372 |     hOP = empty.hasOwnProperty,
373 |     dP = O.defineProperty,
374 |     gOPD = O.getOwnPropertyDescriptor,
375 |     gPO = O.getPrototypeOf,
376 |     gD = function (o, p) {
377 |       if (p in o) {
378 |         while (o && !hOP.call(o, p)) o = gPO(o);
379 |         Eif (o) return gOPD(o, p);
380 |       }
381 |     },
382 |     wm = typeof WeakMap == 'function' ?
383 |       new WeakMap :
384 |       {
385 |         get: function (a, b) {
386 |           return hOP.call(a, SECRET) ?
387 |             a[SECRET] : b;
388 |         },
389 |         set: function (a, b) {
390 |           dP(a, SECRET, {value: b});
391 |         }
392 |       }
393 |   ;
394 |  
395 |   function Wrist() {}
396 |   Wrist.prototype = Object.create(null);
397 |  
398 |   function createWrist(object) {
399 |     var wrist = new Wrist;
400 |     wm.set(object, wrist);
401 |     return wrist;
402 |   }
403 |  
404 |   function createWatcher(object, wrist, prop) {
405 |     var
406 |       set = function ($) {
407 |         var i, length, old;
408 |         if (this === object) {
409 |           if (value !== $) {
410 |             old = value;
411 |             value = $;
412 |             setter.call(object, value);
413 |             i = 0;
414 |             length = callbacks.length;
415 |             while (i < length)
416 |               callbacks[i++].call(object, prop, old, value);
417 |           }
418 |         } else {
419 |           setter.call(this, $);
420 |         }
421 |       },
422 |       callbacks = [],
423 |       descriptor = gD(object, prop) || empty,
424 |       getter = descriptor.get || function () { return value; },
425 |       setter = descriptor.set || function ($) { value = $; },
426 |       value = hOP.call(descriptor, 'value') ?
427 |         descriptor.value : getter.call(object)
428 |     ;
429 |  
430 |     return (wrist[prop] = {
431 |       // ignored descriptor properties
432 |       _: callbacks,
433 |       d: descriptor === empty ? null : descriptor,
434 |       h: function (e) { set.call(e.target, object[prop]); },
435 |       // regular descriptors properties
436 |       configurable: true,
437 |       enumerable: hOP.call(descriptor, 'enumerable') ?
438 |         descriptor.enumerable :
439 |         (String(prop)[0] !== '_'),
440 |       get: getter,
441 |       set: set
442 |     });
443 |   }
444 |  
445 |   function unwatch(object, prop, callback) {
446 |     var wrist = wm.get(object), callbacks, i, watcher;
447 |     Eif (wrist && prop in wrist) {
448 |       watcher = wrist[prop];
449 |       callbacks = watcher._;
450 |       i = callbacks.indexOf(callback);
451 |       Eif (-1 < i) {
452 |         callbacks.splice(i, 1);
453 |         Eif (callbacks.length < 1) {
454 |           delete wrist[prop];
455 |           if (watcher.d) {
456 |             dP(object, prop, watcher.d);
457 |           } else {
458 |             delete object[prop];
459 |             object[prop] = watcher.get.call(object);
460 |           }
461 |           if (REMOVE_EVENT in object) {
462 |             object[REMOVE_EVENT]('change', watcher.h, false);
463 |             object[REMOVE_EVENT]('input', watcher.h, false);
464 |           }
465 |         }
466 |       }
467 |     }
468 |   }
469 |  
470 |   return {
471 |     watch: function watch(object, prop, callback) {
472 |       var
473 |         wrist = wm.get(object) || createWrist(object),
474 |         watcher = wrist[prop] || createWatcher(object, wrist, prop),
475 |         callbacks = watcher._
476 |       ;
477 |       Eif (callbacks.indexOf(callback) < 0) {
478 |         callbacks.push(callback);
479 |         dP(object, prop, watcher);
480 |         if (ADD_EVENT in object) {
481 |           object[ADD_EVENT]('change', watcher.h, false);
482 |           object[ADD_EVENT]('input', watcher.h, false);
483 |         }
484 |       }
485 |       return {unwatch: unwatch.bind(null, object, prop, callback)};
486 |     },
487 |     unwatch: unwatch
488 |   };
489 |  
490 | }(Object));
491 |  
492 | try { module.exports = wrist; } catch(o_O) {}
493 |

495 |

496 |

497 | 501 | 502 | 503 | 510 | 511 | 512 | 513 | -------------------------------------------------------------------------------- /coverage/lcov-report/wrist/test.js.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Code coverage report for wrist/test.js 5 | 6 | 7 | 8 | 9 | 14 | 15 | 16 |

17 |

18 |

19 | all files / wrist/ test.js 20 |

21 |

22 |

23 | 96.88% 24 | Statements 25 | 124/128 26 |

27 |

28 | 50% 29 | Branches 30 | 2/4 31 |

32 |

33 | 96.15% 34 | Functions 35 | 25/26 36 |

37 |

38 | 97.64% 39 | Lines 40 | 124/127 41 |

42 |

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375 | 2×
376 | 2×
377 |  
378 | 1×
379 | 1×
380 | 1×
381 | 1×
382 | 1×
383 | 1×
384 |  
385 | 1×
386 |  
387 |  
388 |  
389 |  
390 |   var test = require('tressa');
391 |  
392 | Iif (typeof global === 'undefined') window.global = window;
393 |  
394 | var WeakMap = global.WeakMap;
395 | delete global.WeakMap;
396 | var wrist = require('./wrist');
397 | global.WeakMap = WeakMap;
398 |  
399 | var obj = {defined: true};
400 |  
401 | test.title('wrist');
402 |  
403 | test(typeof wrist === 'object', 'module status');
404 |  
405 |  
406 | test.async(function (done) {
407 |   wrist.watch(obj, 'test', function watcher(prop, prev, curr) {
408 |     test.log('## undefined property');
409 |     test(this === obj, 'correct context');
410 |     test(prop === 'test', 'correct name');
411 |     test(prev === undefined, 'correct old value');
412 |     test(curr === 123, 'correct new value');
413 |     wrist.unwatch(obj, 'test', watcher);
414 |     obj.test = null;
415 |     done();
416 |   });
417 | });
418 |  
419 | test.async(function (done) {
420 |   wrist.watch(obj, 'defined', function watcher(prop, prev, curr) {
421 |     test.log('## defined property');
422 |     test(this === obj, 'correct context');
423 |     test(prop === 'defined', 'correct name');
424 |     test(prev === true, 'correct old value');
425 |     test(curr === false, 'correct old value');
426 |     wrist.unwatch(obj, 'defined', watcher);
427 |     obj.defined = null;
428 |     done();
429 |   });
430 | });
431 |  
432 | test.async(function (done) {
433 |   var watcher = wrist.watch(obj, 'self', function (prop, prev, curr) {
434 |     test.log('## watcher.unwatch()');
435 |     test(this === obj, 'correct context');
436 |     test(prop === 'self', 'correct name');
437 |     test(prev === undefined, 'correct old value');
438 |     test(curr === false, 'correct new value');
439 |     watcher.unwatch();
440 |     obj.self = null;
441 |     done();
442 |   });
443 | });
444 |  
445 | obj.test = 123;
446 | obj.defined = false;
447 | obj.self = false;
448 |  
449 | test.async(function (done) {
450 |   test.log('## no duplicates');
451 |   var o = {prop: 123};
452 |   var i = 0;
453 |   var watcher = wrist.watch(o, 'prop', function (prop, prev, curr) {
454 |     i++;
455 |     test(this === o, 'correct context');
456 |     test(prop === 'prop', 'correct name');
457 |     test(prev === 123, 'correct old value');
458 |     test(curr === 456, 'correct new value');
459 |   });
460 |   test(i === 0, 'not called yet');
461 |   o.prop = 456;
462 |   o.prop = 456;
463 |   test(i === 1, 'called only once');
464 |   watcher.unwatch();
465 |   done();
466 | });
467 |  
468 | test.async(function (done) {
469 |   test.log('## inherited setter');
470 |   function Class() {}
471 |   function watch(prop, prev, curr) {
472 |     test(this === o, 'correct context');
473 |     test(prop === 'test', 'correct name');
474 |     test(prev === 0, 'correct old value');
475 |     test(curr === 1, 'correct new value');
476 |   }
477 |   var i = 0;
478 |   Object.defineProperty(Class.prototype, 'test', {
479 |     configurable: true,
480 |     get: function () { return i; },
481 |     set: function (l) { i = l; }
482 |   });
483 |   var o = new Class();
484 |   wrist.watch(o, 'test', watch);
485 |   o.test += 1;
486 |   wrist.unwatch(o, 'test', watch);
487 |   done();
488 | });
489 |  
490 | test.async(function (done) {
491 |   test.log('## own setter');
492 |   function watch(prop, prev, curr) {
493 |     test(this === o, 'correct context');
494 |     test(prop === 'test', 'correct name');
495 |     test(prev === 0, 'correct old value');
496 |     test(curr === 1, 'correct new value');
497 |   }
498 |   var i = 0;
499 |   var o = Object.defineProperty({}, 'test', {
500 |     configurable: true,
501 |     get: function () { return i; },
502 |     set: function (l) { i = l; }
503 |   });
504 |   wrist.watch(o, 'test', watch);
505 |   o.test += 1;
506 |   wrist.unwatch(o, 'test', watch);
507 |   done();
508 | });
509 |  
510 | test.async(function (done) {
511 |   test.log('## borrowed setter');
512 |   function watch(prop, prev, curr) {
513 |     ++j;
514 |   }
515 |   var i = 0;
516 |   var j = 0;
517 |   var o = Object.defineProperty({}, 'test', {
518 |     configurable: true,
519 |     get: function () { return i; },
520 |     set: function (l) { i = l; }
521 |   });
522 |   wrist.watch(o, 'test', watch);
523 |   var z = Object.defineProperty({}, 'test',
524 |     Object.getOwnPropertyDescriptor(o, 'test'));
525 |   z.test = 456;
526 |   test(j === 0, 'watcher not involved');
527 |   test(i === 456, 'setter called');
528 |   wrist.unwatch(o, 'test', watch);
529 |   done();
530 | });
531 |  
532 |  
533 | test.async(function (done) {
534 |   Eif (typeof document === 'undefined') {
535 |     require('jsdom').env('<body><input></body>', [], check);
536 |   } else {
537 |     document.body.appendChild(document.createElement('input'));
538 |     check(null, window);
539 |   }
540 |   function check(err, window) {
541 |     test.log('## DOM elements');
542 |     var input = window.document.body.getElementsByTagName('input')[0];
543 |     var value = '';
544 |     var watcher = wrist.watch(input, 'value', function (prop, prev, curr) {
545 |       test(prop === 'value', 'correct name');
546 |       test(prev === value, 'correct old value');
547 |       test(curr === value + '0', 'correct new value');
548 |       value += '0';
549 |     });
550 |     input.value = '0';
551 |     setTimeout(function () {
552 |       input.value += '0';
553 |       setTimeout(function () {
554 |         watcher.unwatch();
555 |         done();
556 |         // for testing purpose only
557 |         window.wrist = wrist;
558 |       }, 1);
559 |     });
560 |   }
561 | });
562 |

564 |

565 |

566 | 570 | 571 | 572 | 579 | 580 | 581 | 582 | --------------------------------------------------------------------------------

wrist.js examples

results in console

19 | / 20 |

19 | all files wrist/ 20 |

19 | all files / wrist/ wrist.js 20 |

19 | all files / wrist/ test.js 20 |