zarm-web/es/locale-provider/format.js

基于 React 的桌面端UI库

/* eslint-disable */

/**
 *  String format template
 */
const RE_NARGS = /(%|)\{([0-9a-zA-Z_]+)\}/g;
/**
 * format
 *
 * @param {String} string
 * @param {Array} ...args
 * @return {String}
 */

export default function (str, ...args) {
  if (args.length === 1 && typeof args[0] === 'object') {
    args = args[0];
  }

  if (!args || !args.hasOwnProperty) {
    // @ts-ignore
    args = {};
  }

  return str.replace(RE_NARGS, (match, _, i, index) => {
    let result;

    if (str[index - 1] === '{' && str[index + match.length] === '}') {
      return i;
    } else {
      result = Object.prototype.hasOwnProperty.call(args, i) ? args[i] : null;

      if (result === null || result === undefined) {
        return '';
      }

      return result;
    }
  });
}