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uni_modules/tdesign-uniapp/components/common/utils.wxs.js

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+import { getRegExp } from './runtime/wxs-polyfill';
+/* utils */
+
+/**
+ * addUnit */
+// 为 css 添加单位
+function addUnit(value) {
+  const REGEXP = getRegExp('^-?\\d+(.\\d+)?$');
+  if (value == null) {
+    return undefined;
+  }
+  return REGEXP.test(`${value}`) ? `${value}px` : value;
+}
+
+function isString(string) {
+  return typeof string === 'string';
+}
+
+function isArray(array) {
+  return Array.isArray(array);
+}
+
+function isObject(x) {
+  const type = typeof x;
+  return x !== null && (type === 'object' || type === 'function');
+}
+
+function isBoolean(value) {
+  return typeof value === 'boolean';
+}
+
+const isNoEmptyObj = function (obj) {
+  return isObject(obj) && JSON.stringify(obj) !== '{}';
+};
+
+function includes(arr, value) {
+  if (!arr || !isArray(arr)) return false;
+
+  let i = 0;
+  const len = arr.length;
+
+  for (; i < len; i++) {
+    if (arr[i] === value) return true;
+  }
+  return false;
+}
+
+function cls(base, arr) {
+  const res = [base];
+  let i = 0;
+  for (let size = arr.length; i < size; i++) {
+    const item = arr[i];
+
+    if (item && Array.isArray(item)) {
+      const key = arr[i][0];
+      const value = arr[i][1];
+
+      if (value) {
+        res.push(`${base}--${key}`);
+      }
+    } else if (typeof item === 'string' || typeof item === 'number') {
+      if (item) {
+        res.push(`${base}--${item}`);
+      }
+    }
+  }
+  return res.join(' ');
+}
+
+function getBadgeAriaLabel(options) {
+  const maxCount = options.maxCount || 99;
+  if (options.dot) {
+    return '有新的消息';
+  }
+  if (options.count === '...') {
+    return '有很多消息';
+  }
+  if (isNaN(options.count)) {
+    return options.count;
+  }
+  const str1 = `有${maxCount}+条消息`;
+  const str2 = `有${options.count}条消息`;
+  return Number(options.count) > maxCount ? str1 : str2;
+}
+
+function endsWith(str, endStr) {
+  return str.slice(-endStr.length) === endStr ? str : str + endStr;
+}
+
+function keys(obj) {
+  return JSON.stringify(obj)
+    .replace(getRegExp('{|}|"', 'g'), '')
+    .split(',')
+    .map(item => item.split(':')[0]);
+}
+
+function kebabCase(str) {
+  return str
+    .replace(getRegExp('[A-Z]', 'g'), ele => `-${ele}`)
+    .toLowerCase();
+}
+
+// eslint-disable-next-line no-underscore-dangle
+function _style(styles) {
+  if (isArray(styles)) {
+    return styles
+      .filter(item => item != null && item !== '')
+      .map(item => ((isArray(item) || isObject(item)) ? _style(item) : endsWith(item, ';')))
+      .join(' ');
+  }
+
+  if (isObject(styles)) {
+    return keys(styles)
+      .filter(key => styles[key] != null && styles[key] !== '')
+      .map(key => [kebabCase(key), [styles[key]]].join(':'))
+      .join(';');
+  }
+
+  return styles;
+}
+
+function isValidIconName(str) {
+  // prettier-ignore
+  return getRegExp('^[A-Za-z0-9-_]+$').test(str);
+}
+
+export default {
+  addUnit,
+  isString,
+  isArray,
+  isObject,
+  isBoolean,
+  isNoEmptyObj,
+  includes,
+  cls,
+  getBadgeAriaLabel,
+  _style,
+  isValidIconName,
+};