1 | import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
|
2 | var docStyle = window.document.documentElement.style;
|
3 | export function getContainer(domId) {
|
4 | var $dom = domId;
|
5 |
|
6 | if (typeof domId === 'string') {
|
7 | $dom = document.getElementById(domId);
|
8 | }
|
9 |
|
10 | return $dom;
|
11 | }
|
12 | export function trim(str) {
|
13 | return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
|
14 | }
|
15 | export function splitWords(str) {
|
16 | return trim(str).split(/\s+/);
|
17 | }
|
18 |
|
19 | function testProp(props) {
|
20 | if (!docStyle) {
|
21 | return props[0];
|
22 | }
|
23 |
|
24 | for (var i in props) {
|
25 | if (props[i] && props[i] in docStyle) {
|
26 | return props[i];
|
27 | }
|
28 | }
|
29 |
|
30 | return props[0];
|
31 | }
|
32 |
|
33 | export function create(tagName, className, container) {
|
34 | var el = document.createElement(tagName);
|
35 | el.className = className || '';
|
36 |
|
37 | if (container) {
|
38 | container.appendChild(el);
|
39 | }
|
40 |
|
41 | return el;
|
42 | }
|
43 | export function remove(el) {
|
44 | var parent = el.parentNode;
|
45 |
|
46 | if (parent) {
|
47 | parent.removeChild(el);
|
48 | }
|
49 | }
|
50 | export function addClass(el, name) {
|
51 | if (el.classList !== undefined) {
|
52 | var classes = splitWords(name);
|
53 |
|
54 | for (var i = 0, len = classes.length; i < len; i++) {
|
55 | el.classList.add(classes[i]);
|
56 | }
|
57 | } else if (!hasClass(el, name)) {
|
58 | var className = getClass(el);
|
59 | setClass(el, (className ? className + ' ' : '') + name);
|
60 | }
|
61 | }
|
62 | export function removeClass(el, name) {
|
63 | if (el.classList !== undefined) {
|
64 | el.classList.remove(name);
|
65 | } else {
|
66 | setClass(el, trim((' ' + getClass(el) + ' ').replace(' ' + name + ' ', ' ')));
|
67 | }
|
68 | }
|
69 | export function hasClass(el, name) {
|
70 | if (el.classList !== undefined) {
|
71 | return el.classList.contains(name);
|
72 | }
|
73 |
|
74 | var className = getClass(el);
|
75 | return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className);
|
76 | }
|
77 | export function setClass(el, name) {
|
78 | if (el instanceof HTMLElement) {
|
79 | el.className = name;
|
80 | } else {
|
81 | el.className.baseVal = name;
|
82 | }
|
83 | }
|
84 | export function getClass(el) {
|
85 | if (el instanceof SVGElement) {
|
86 | el = el.correspondingElement;
|
87 | }
|
88 |
|
89 | return el.className.baseVal === undefined ? el.className : el.className.baseVal;
|
90 | }
|
91 | export function empty(el) {
|
92 | while (el && el.firstChild) {
|
93 | el.removeChild(el.firstChild);
|
94 | }
|
95 | }
|
96 | var transformProp = testProp(['transform', 'WebkitTransform']);
|
97 | export function setTransform(el, value) {
|
98 | el.style[transformProp] = value;
|
99 | }
|
100 | export function triggerResize() {
|
101 | if (typeof Event === 'function') {
|
102 | window.dispatchEvent(new Event('resize'));
|
103 | } else {
|
104 | var evt = window.document.createEvent('UIEvents');
|
105 | evt.initUIEvent('resize', true, false, window, 0);
|
106 | window.dispatchEvent(evt);
|
107 | }
|
108 | }
|
109 | export function printCanvas(canvas) {
|
110 | var css = ['padding: ' + (canvas.height / 2 - 8) + 'px ' + canvas.width / 2 + 'px;', 'line-height: ' + canvas.height + 'px;', 'background-image: url(' + canvas.toDataURL() + ');'];
|
111 | console.log('%c\n', css.join(''));
|
112 | }
|
113 | export function getViewPortScale() {
|
114 | var _content;
|
115 |
|
116 | var meta = document.querySelector('meta[name="viewport"]');
|
117 |
|
118 | if (!meta) {
|
119 | return 1;
|
120 | }
|
121 |
|
122 | var contentItems = (_content = meta.content) === null || _content === void 0 ? void 0 : _content.split(',');
|
123 | var scale = contentItems.find(function (item) {
|
124 | var _item$split = item.split('='),
|
125 | _item$split2 = _slicedToArray(_item$split, 2),
|
126 | key = _item$split2[0],
|
127 | value = _item$split2[1];
|
128 |
|
129 | return key === 'initial-scale';
|
130 | });
|
131 | return scale ? scale.split('=')[1] * 1 : 1;
|
132 | }
|
133 | export var DPR = getViewPortScale() < 1 ? 1 : window.devicePixelRatio;
|
134 |
|
\ | No newline at end of file |