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1export default {
2 name: 'ElCol',
3
4 props: {
5 span: {
6 type: Number,
7 default: 24
8 },
9 tag: {
10 type: String,
11 default: 'div'
12 },
13 offset: Number,
14 pull: Number,
15 push: Number,
16 xs: [Number, Object],
17 sm: [Number, Object],
18 md: [Number, Object],
19 lg: [Number, Object],
20 xl: [Number, Object]
21 },
22
23 computed: {
24 gutter() {
25 let parent = this.$parent;
26 while (parent && parent.$options.componentName !== 'ElRow') {
27 parent = parent.$parent;
28 }
29 return parent ? parent.gutter : 0;
30 }
31 },
32 render(h) {
33 let classList = [];
34 let style = {};
35
36 if (this.gutter) {
37 style.paddingLeft = this.gutter / 2 + 'px';
38 style.paddingRight = style.paddingLeft;
39 }
40
41 ['span', 'offset', 'pull', 'push'].forEach(prop => {
42 if (this[prop] || this[prop] === 0) {
43 classList.push(
44 prop !== 'span'
45 ? `el-col-${prop}-${this[prop]}`
46 : `el-col-${this[prop]}`
47 );
48 }
49 });
50
51 ['xs', 'sm', 'md', 'lg', 'xl'].forEach(size => {
52 if (typeof this[size] === 'number') {
53 classList.push(`el-col-${size}-${this[size]}`);
54 } else if (typeof this[size] === 'object') {
55 let props = this[size];
56 Object.keys(props).forEach(prop => {
57 classList.push(
58 prop !== 'span'
59 ? `el-col-${size}-${prop}-${props[prop]}`
60 : `el-col-${size}-${props[prop]}`
61 );
62 });
63 }
64 });
65
66 return h(this.tag, {
67 class: ['el-col', classList],
68 style
69 }, this.$slots.default);
70 }
71};