yoastseo/build/helpers/formatString.js

Yoast client-side content analysis

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = _default;
var _lodash = require("lodash");
/**
 * Formats a string with named parameters as defined in the given parameter mapping.
 *
 * E.g. `"Hello %par_1% and %par_2%"` plus the map `{ par_1: "world", par_2: "you!" }`
 * gives: `"Hello world and you!"`.
 *
 * @param {string} string           The string to be formatted.
 * @param {Object} formatMap        The mapping in the form of parameter - value pairs.
 * @param {string} [delimiter="%%"] The string used to delimit parameters in the to be formatted string.
 *
 * @returns {string} The formatted string.
 */
function _default(string, formatMap, delimiter = "%%") {
  delimiter = (0, _lodash.escapeRegExp)(delimiter);
  const parameterRegex = new RegExp(`${delimiter}(.+?)${delimiter}`, "g");
  let match;
  let formattedString = string;

  // Try to match and replace each occurrence of "%%something%%" in the string.
  while ((match = parameterRegex.exec(string)) !== null) {
    const key = match[1];
    // Create regex from parameter (e.g. "%%key%%")
    const replaceRegex = new RegExp(`${delimiter}${(0, _lodash.escapeRegExp)(key)}${delimiter}`, "g");
    // Replace occurrence (if parameter exists in the format map).
    if (key in formatMap) {
      formattedString = formattedString.replace(replaceRegex, formatMap[key]);
    }
  }
  return formattedString;
}
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