blackteay/vant
1
0
Fork 0
mirror of https://gitee.com/vant-contrib/vant.git synced 2025-04-06 03:57:59 +08:00
Code Issues Projects Releases Wiki Activity

[type] bem (#2698)

Browse Source
This commit is contained in:
neverland 2019-02-07 11:08:57 +08:00 committed by GitHub
parent 0fb1083b68
commit cf441d9326
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
packages/utils/use/bem.ts
View File

@ -7,21 +7,26 @@
* b(['disabled', 'primary']) // 'button button--disabled button--primary'
*/
type Mod = string | { [key: string]: any };
type Mods = Mod | Mod[];
const ELEMENT = '__';
const MODS = '--';
const join = (name: string, el: string, symbol: string) => (el ? name + symbol + el : name);
function join(name: string, el: string, symbol: string): string {
return el ? name + symbol + el : name;
}
const prefix = (name: string, mods: any): any => {
function prefix(name: string, mods: Mods): Mods {
if (typeof mods === 'string') {
return join(name, mods, MODS);
}
if (Array.isArray(mods)) {
return mods.map(item => prefix(name, item));
return mods.map(item => <Mod>prefix(name, item));
}
const ret: { [key: string]: any } = {};
const ret: Mods = {};
if (mods) {
Object.keys(mods).forEach(key => {
ret[name + MODS + key] = mods[key];
@ -29,9 +34,9 @@ const prefix = (name: string, mods: any): any => {
}
return ret;
};
}
export default (name: string) => (el: any, mods?: any) => {
export default (name: string) => (el: Mods, mods?: Mods): Mods => {
if (el && typeof el !== 'string') {
mods = el;
el = '';