File ts-parser.ts has 587 lines of code (exceeds 250 allowed). Consider refactoring.

Open

function id(x) {
    return x[0];
}

const isNumber = function (x) {

Function splitOnPattern has a Cognitive Complexity of 37 (exceeds 5 allowed). Consider refactoring.

Open

export function splitOnPattern(data: BibStringData, pattern: RegExp, stopAfter?: number): BibStringData[] {
    const splitted: BibStringData[] = [];

    let buffer: BibStringData = [];
    for (const datum of data) {

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Function flattenMyArray has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

export const flattenMyArray = function (arr: any[], result?: any[]): any[] {
    if (!result) result = [];
    for (let i = 0, length = arr.length; i < length; i++) {
        const value: any = arr[i];
        if (Array.isArray(value)) {

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Function globContiguousStrings has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

export function globContiguousStrings(data: BibStringData): (BibStringDatum | ContiguousSimpleString)[] {
    const result: (BibStringDatum | ContiguousSimpleString)[] = [];
    for (const element of data) {
        if (isString(element) || isNumber(element)) {
            if (result.length <= 0) {

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Function flattenQuotedString has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

function flattenQuotedString(data: BibStringDatum, hideQuotes?: boolean): BibStringDatum | BibStringData {
    if (isBracedString(data))
        return data;
    if (isQuotedString(data)) {
        const flattenedQuotedString: BibStringData = flattenQuotedStrings(data.data, true);

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Function splitOnPattern has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

export function splitOnPattern(data: BibStringData, pattern: RegExp, stopAfter?: number): BibStringData[] {
    const splitted: BibStringData[] = [];

    let buffer: BibStringData = [];
    for (const datum of data) {

Function flattenO has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

const flattenO = (wrapper: any): string => isString(wrapper) ? wrapper
    : typeof wrapper === "number" ? wrapper.toString()
        // : (isString(wrapper.type) && wrapper.type === "@bib" && isString(wrapper.string)) ? "@" + wrapper.string
        : wrapper["type"] === "@bib" ? "@" + mustBeString(wrapper.string)
            : wrapper["type"] === "escapedEntry" ? "\\" + flattenO(wrapper.data)

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Function constructor has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    constructor(content: (NonBibComment | BibComment)[]) {
        this.content = content;
        this.comments = content.filter(isBibComment).map(c => {
            if (isBibComment(c))return c; else throw new Error();
        });

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

Open

function startsWithLowerCase(authorToken: BibStringDatum) {
    if (isString(authorToken)) {
        if (!authorToken) return false;
        const ch = authorToken.charAt(0);
        return ch.toLowerCase() === ch && ch.toUpperCase() !== ch;

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

Open

export const findError = (entry: BibEntry, field: MandatoryFields): (Error | undefined) => {
    const fields = entry.fields;
    if (isString(field)) {
        if (!fields[field])
            return new Error("Warning: expected " + entry.type + " with id " + entry._id

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Function globContiguousStrings has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

export function globContiguousStrings(data: BibStringData): (BibStringDatum | ContiguousSimpleString)[] {
    const result: (BibStringDatum | ContiguousSimpleString)[] = [];
    for (const element of data) {
        if (isString(element) || isNumber(element)) {
            if (result.length <= 0) {

Avoid deeply nested control flow statements.

Open

                    if (stopAfter === undefined || stopAfter > 0)
                        match = pattern.exec(datum);
                    else
                        match = undefined;

Avoid deeply nested control flow statements.

Open

                    if (stopAfter === undefined || stopAfter > 0) {
                        splitted.push(buffer);
                        buffer = [];
                        if (stopAfter !== undefined && stopAfter > 0) stopAfter--;
                    }

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

Open

export function parseStringComponent(braceDepth: number, obj: any): BibStringComponent | string | number | StringRef {
    if (isNumber(obj) || isString(obj))
        return /*new BibStringComponent(typeof obj, braceDepth, [*/obj/*])*/;

    if (isStringRef(obj))

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

Open

function joinTokens(arr) {
    const strs: any = [];
    for (let 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(outer: BibStringData): AuthorName {
    const authorTokens: BibStringData[] = splitOnPattern(outer, WHITESPACES);

    let vonStartInclusive = -1;
    let vonEndExclusive = -1;

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

Open

function vonLastFirst(vonLastStr: BibStringData, firstStr: BibStringData) {
    const vonLast = splitOnPattern(vonLastStr, WHITESPACES);
    const first = splitOnPattern(firstStr, WHITESPACES);

    let vonStartInclusive = -1;

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

Open

    private eatNumericString(startAt: NumericChar): number | NumberToken {
        const nums: NumericChar[] = [startAt];

        const nextPos = this.pos + 1;
        for (let newPos = nextPos; newPos < this.len + 1; newPos++) {

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

Open

function vonLastJrFirst(vonLastStr: BibStringData, jrStr: BibStringData, firstStr: BibStringData) {
    const vonLast = splitOnPattern(vonLastStr, WHITESPACES);
    const first = splitOnPattern(firstStr, WHITESPACES);
    const jr = splitOnPattern(jrStr, WHITESPACES);

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Avoid too many return statements within this function.

Open

    else if (obj.constructor == Array) return obj.map(word2string).join("");