1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | 1× 1× 1× 1× 1× 1× 819× 140× 497× 57× 57× 57× 57× 57× 188× 389× 389× 132× 95× 37× 73× 365× 262× 103× 190× 8× 8× 8× 24× 6× 6× 6× 6× 6× 12× 12× 12× 12× 12× 322× 322× 322× 322× 322× 322× 150× 150× 100× 1× | /* global getComputedStyle window */ const win = window, simpleSelectorRE = /^[\w-]*$/, cssNumber = { 'column-count': 1, columns: 1, 'font-weight': 1, 'line-height': 1, opacity: 1, 'z-index': 1, zoom: 1, }, emptyArr = [], slice = emptyArr.slice, round = Math.round; function type(o) { return typeof o; } function isArr(o) { return o instanceof Array; } function isStr(o) { return type(o) == 'string'; } function qsa(element, selector) { // From Zepto /* eslint no-nested-ternary: 0 no-cond-assign: 0 */ let found; const maybeID = selector[0] == '#', maybeClass = !maybeID && selector[0] == '.', // Ensure that a 1 char tag name still gets checked nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, isSimple = simpleSelectorRE.test(nameOnly); // Safari DocumentFragment doesn't have getElementById return (element.getElementById && isSimple && maybeID) ? ((found = element.getElementById(nameOnly)) ? [found] : []) : (element.nodeType !== 1 && element.nodeType !== 9 && element.nodeType !== 11) ? [] : slice.call( // DocumentFragment doesn't have getElementsByClassName/TagName isSimple && !maybeID && element.getElementsByClassName ? // If it's simple, it could be a class maybeClass ? element.getElementsByClassName(nameOnly) : element.getElementsByTagName(selector) : // Or a tag element.querySelectorAll(selector), // Or it's not simple, and we need to query all ); } function each(elements, callback) { for (let i = 0, len = elements.length, element; i < len; i++) { element = elements[i]; callback.call(element, element, i); } } function on(element, ev, callback) { if (isStr(ev)) { element.addEventListener(ev, callback); } else Eif (isArr(ev)) { each(ev, e => on(element, e, callback)); } } function off(element, ev, callback) { if (isStr(ev)) { element.removeEventListener(ev, callback); } else Eif (isArr(ev)) { each(ev, e => off(element, e, callback)); } } function one(element, ev, callback) { function handler(...args) { callback.apply(this, args); off(element, ev, handler); } on(element, ev, handler); } function attr(element, name) { return element.getAttribute(name); } function children(element) { return element.childNodes; } function append(element, target) { element.appendChild(target); } function prepend(element, target) { const childNodes = children(element); Eif (childNodes.length > 0) { element.insertBefore(target, childNodes[0]); } else { append(element, target); } } function clone(element, deep) { return element.cloneNode(deep); } function addClass(element, className) { element.classList.add(className); } function remove(element) { const $parent = element.parentNode; Eif ($parent) { $parent.removeChild(element); } } function camelize(str) { return str.replace(/-+(.)?/g, (match, chr) => (chr ? chr.toUpperCase() : '')); } function dasherize(str) { return str.replace(/::/g, '/') .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2') .replace(/([a-z\d])([A-Z])/g, '$1_$2') .replace(/_/g, '-') .toLowerCase(); } function maybeAddPx(name, value) { return (type(value) == 'number' && !cssNumber[dasherize(name)]) ? `${value}px` : value; } function css(element, property, value) { /* eslint consistent-return: 0 */ const elementSytle = element.style; Iif (arguments.length < 3) { return elementSytle[camelize(property)] || getComputedStyle(element, '').getPropertyValue(property); } else Iif (!value && value !== 0) { elementSytle.removeProperty(dasherize(property)); } else { elementSytle[dasherize(property)] = maybeAddPx(property, value); } } function offset(element) { const obj = element.getBoundingClientRect(); return { left: obj.left + win.pageXOffset, top: obj.top + win.pageYOffset, width: round(obj.width), height: round(obj.height), }; } function width(element) { return offset(element).width; } const $ = { qsa, on, off, one, type, isArr, isStr, append, prepend, clone, addClass, remove, children, attr, css, each, offset, width, }; export default $; |