Function vonLastFirst has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

function vonLastFirst(authorTokens) {
  let commaPos = -1;
  for (let i = 0; i < authorTokens.length; i++)
    if (authorTokens[i].type == ',') {
      commaPos = i;

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Function flatten has 26 lines of code (exceeds 25 allowed). Consider refactoring.

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function flatten(obj) {
  if (typeof obj === 'object' &&
    (obj.type == 'quotedstring' ||
    obj.type == 'quotedstringwrapper' ||
    obj.type == 'bracedstringwrapper')

Function render has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  render() {
    const obj = this.props.entry;
    const isEntry = (obj instanceof Entry);
    if (!isEntry) throw new Error("Object must be of type Entry: " + JSON.stringify(obj));

Function joinTokens has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function joinTokens(arr){
    var strs = [];
    for(var i=0;i<arr.length;i++){
      if(typeof arr[i] == 'object'){
        if(!arr[i].string) throw new Error("Expected token to have a string field called 'string' in object "+JSON.stringify(arr[i]));

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Function firstVonLast has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function firstVonLast(authorTokens) {
  let vonStartInclusive = -1;
  let vonEndExclusive = -1;
  let firstNameEndExclusive = -1;
  for (let i = 0; i < authorTokens.length - 1; i++) {// -1 because last word must be lastName

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Consider simplifying this complex logical expression.

Open

        if (wordSegment.type == 'braced'
          && wordSegment.data[0]
          && wordSegment.data[0].constructor == Array
          && wordSegment.data[0].length == 1
          && typeof wordSegment.data[0][0] == 'string'

Function joinSimpleString has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  static joinSimpleString(data) {
    if (typeof data === 'string') return data;
    else if (data.constructor == Array) {
      const str = [];
      for (let i = 0; i < data.length; i++) {

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Avoid too many return statements within this function.

Open

      if (Number.isFinite(number)) return number;

Avoid too many return statements within this function.

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  else if (wordObj.unicode)  return getFirstLetter(wordObj.unicode);

Avoid too many return statements within this function.

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      else return new Token(NUMBER, numString);

Avoid too many return statements within this function.

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    else if (typeof data.data == 'string') return data.string;

Avoid too many return statements within this function.

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    else if (typeof obj === 'object' && obj.type == 'quotedstring') return StringValue.computeUnicodeString(braceDepth, obj.data);

Avoid too many return statements within this function.

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      return new Token(ID, chars.join("").trim());

Avoid too many return statements within this function.

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  else if (authorToken.constructor == Array) return authorToken.map(flattenToString).join('');

Avoid too many return statements within this function.

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  else if (typeof obj === 'string') return obj;

Avoid too many return statements within this function.

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      return StringValue.computeUnicodeString(braceDepth, obj.data.map(o => {
        if (!o) throw new Error("Expected non-null elements in " + JSON.stringify(o));
        //console.log("braced", obj.data);
        return StringValue.computeUnicodeString(braceDepth + 1, o)
      }));

Avoid too many return statements within this function.

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    else if (typeof obj === 'object' && obj.unicode) return obj.unicode;

Avoid too many return statements within this function.

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    else if (obj.constructor === Number) return obj + "";

Avoid too many return statements within this function.

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      if (specialChar) return specialChar(specialChar);

Avoid too many return statements within this function.

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  else if (wordObj.constructor == Array) return getFirstLetter(flattenToString(wordObj).trim());