515fceeb
 “wangming”
框架初始化
|
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
|
import { DEFAULT_NAMESPACE } from '@vben-core/shared/constants';
/**
* @see copy https://github.com/element-plus/element-plus/blob/dev/packages/hooks/use-namespace/index.ts
*/
const statePrefix = 'is-';
const _bem = (
namespace: string,
block: string,
blockSuffix: string,
element: string,
modifier: string,
) => {
let cls = `${namespace}-${block}`;
if (blockSuffix) {
cls += `-${blockSuffix}`;
}
if (element) {
cls += `__${element}`;
}
if (modifier) {
cls += `--${modifier}`;
}
return cls;
};
const is: {
(name: string): string;
// eslint-disable-next-line @typescript-eslint/unified-signatures
(name: string, state: boolean | undefined): string;
} = (name: string, ...args: [] | [boolean | undefined]) => {
const state = args.length > 0 ? args[0] : true;
return name && state ? `${statePrefix}${name}` : '';
};
const useNamespace = (block: string) => {
const namespace = DEFAULT_NAMESPACE;
const b = (blockSuffix = '') => _bem(namespace, block, blockSuffix, '', '');
const e = (element?: string) =>
element ? _bem(namespace, block, '', element, '') : '';
const m = (modifier?: string) =>
modifier ? _bem(namespace, block, '', '', modifier) : '';
const be = (blockSuffix?: string, element?: string) =>
blockSuffix && element
? _bem(namespace, block, blockSuffix, element, '')
: '';
const em = (element?: string, modifier?: string) =>
element && modifier ? _bem(namespace, block, '', element, modifier) : '';
const bm = (blockSuffix?: string, modifier?: string) =>
blockSuffix && modifier
? _bem(namespace, block, blockSuffix, '', modifier)
: '';
const bem = (blockSuffix?: string, element?: string, modifier?: string) =>
blockSuffix && element && modifier
? _bem(namespace, block, blockSuffix, element, modifier)
: '';
// for css var
// --el-xxx: value;
const cssVar = (object: Record<string, string>) => {
const styles: Record<string, string> = {};
for (const key in object) {
if (object[key]) {
styles[`--${namespace}-${key}`] = object[key];
}
}
return styles;
};
// with block
const cssVarBlock = (object: Record<string, string>) => {
const styles: Record<string, string> = {};
for (const key in object) {
if (object[key]) {
styles[`--${namespace}-${block}-${key}`] = object[key];
}
}
return styles;
};
const cssVarName = (name: string) => `--${namespace}-${name}`;
const cssVarBlockName = (name: string) => `--${namespace}-${block}-${name}`;
return {
b,
be,
bem,
bm,
// css
cssVar,
cssVarBlock,
cssVarBlockName,
cssVarName,
e,
em,
is,
m,
namespace,
};
};
type UseNamespaceReturn = ReturnType<typeof useNamespace>;
export type { UseNamespaceReturn };
export { useNamespace };
|
