splitName()

in name_utils.js [215:272]

• 41 lines of code
• 9 McCabe index (conditional complexity)

  splitName(name) {
    let nameTokens = name.trim().split(/[ ,\u3000\u30FB\u00B7]+/);
    let nameParts = {
      given: "",
      middle: "",
      family: "",
    };

    nameTokens = this._stripPrefixes(nameTokens);

    if (this._isCJKName(name)) {
      let parts = this._splitCJKName(nameTokens);
      if (parts) {
        return parts;
      }
    }

    // Don't assume "Ma" is a suffix in John Ma.
    if (nameTokens.length > 2) {
      nameTokens = this._stripSuffixes(nameTokens);
    }

    if (!nameTokens.length) {
      // Bad things have happened; just assume the whole thing is a given name.
      nameParts.given = name;
      return nameParts;
    }

    // Only one token, assume given name.
    if (nameTokens.length == 1) {
      nameParts.given = nameTokens[0];
      return nameParts;
    }

    // 2 or more tokens. Grab the family, which is the last word plus any
    // recognizable family prefixes.
    let familyTokens = [nameTokens.pop()];
    while (nameTokens.length) {
      let lastToken = nameTokens[nameTokens.length - 1];
      if (!this._containsString(this.FAMILY_NAME_PREFIXES, lastToken)) {
        break;
      }
      familyTokens.unshift(lastToken);
      nameTokens.pop();
    }
    nameParts.family = familyTokens.join(" ");

    // Take the last remaining token as the middle name (if there are at least 2
    // tokens).
    if (nameTokens.length >= 2) {
      nameParts.middle = nameTokens.pop();
    }

    // Remainder is given name.
    nameParts.given = nameTokens.join(" ");

    return nameParts;
  },