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53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
import { warning } from './log';
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import { typeOf } from './object';
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/**
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* 将字符串转化为驼峰式写法
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* @param {String} str 例：-webkit-transition
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* @return {String} 例：WebkitTransition
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*/
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export function camelcase(str) {
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if (!/-/.test(str)) {
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return str || '';
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}
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return str.toLowerCase().replace(/-([a-z])/g, function ($0, $1) {
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return $1.toUpperCase();
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});
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}
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/**
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* 将驼峰式字符串转化为连字符写法
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* @param {String} str 例：WebkitTransition
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* @return {String} 例：-webkit-transition
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*/
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export function hyphenate(str) {
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var strType = typeOf(str);
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if (strType !== 'String') {
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warning('[ hyphenate(str: string): string ] ' + ('Expected arguments[0] to be a string but get a ' + strType + '.') + 'It will return an empty string without any processing.');
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return '';
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}
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return str.replace(/([A-Z])/g, function ($0) {
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return '-' + $0.toLowerCase();
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});
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}
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/**
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* 替换模板字符串
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* @param {String} tpl 例：当前{current}, 共{total}页
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* @param {Object} object 例：{current: 1, total: 9}
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* @return {String} 例：
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*/
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export function template(tpl) {
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var object = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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var tplType = typeOf(tpl);
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if (tplType !== 'String') {
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warning('[ template(tpl: string, object: object): string ] ' + ('Expected arguments[0] to be a string but get a ' + tplType + '.') + 'It will return an empty string without any processing.');
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return '';
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}
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return tpl.replace(/\{[a-z]*\}/g, function (str) {
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var key = str.substring(1, str.length - 1);
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return object[key] || '';
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});
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} |