File observer-locator.ts has 272 lines of code (exceeds 250 allowed). Consider refactoring.

Open

import { createImplementationRegister, createLookup, emptyObject, IServiceLocator, isString, resolve } from '@aurelia/kernel';
import {
  getObserverLookup,
  IDirtyChecker,
  INodeObserverLocator,

Function getAccessor has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

  public getAccessor(obj: HTMLElement, key: PropertyKey, requestor: IObserverLocator): IAccessor | IObserver {
    if (key in this._globalOverrides || (key in (this._overrides[obj.tagName] ?? emptyObject))) {
      return this.getObserver(obj, key, requestor);
    }
    switch (key) {

• Read up
  Read up

Function useConfig has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

  public useConfig(nodeNameOrConfig: string | Record<string, Record<string, INodeObserverConfig>>, key?: PropertyKey, eventsConfig?: INodeObserverConfig): void {
    const lookup = this._events;
    let existingMapping: Record<string, INodeObserverConfig>;
    if (isString(nodeNameOrConfig)) {
      existingMapping = lookup[nodeNameOrConfig] ??= createLookup();

• Read up
  Read up

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

Open

  public getAccessor(obj: HTMLElement, key: PropertyKey, requestor: IObserverLocator): IAccessor | IObserver {
    if (key in this._globalOverrides || (key in (this._overrides[obj.tagName] ?? emptyObject))) {
      return this.getObserver(obj, key, requestor);
    }
    switch (key) {

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

Open

  public useConfigGlobal(configOrKey: PropertyKey | Record<string, INodeObserverConfig>, eventsConfig?: INodeObserverConfig): void {
    const lookup = this._globalEvents;
    if (typeof configOrKey === 'object') {
      for (const key in configOrKey) {
        if (lookup[key] == null) {

• Read up
  Read up

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

Open

  public constructor() {
    // todo: atm, platform is required to be resolved too eagerly for the `.handles()` check
    // also a lot of tests assume default availability of observation
    // those 2 assumptions make it not the right time to extract the following line into a
    // default configuration for NodeObserverLocator yet

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

Open

  public getObserver(el: HTMLElement, key: PropertyKey, requestor: IObserverLocator): IAccessor | IObserver {
    switch (key) {
      case 'class':
        // todo: invalid accessor returned for a get observer call
        //       for now it's a noop observer

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

Open

  public getObserver(el: HTMLElement, key: PropertyKey, requestor: IObserverLocator): IAccessor | IObserver {
    switch (key) {
      case 'class':
        // todo: invalid accessor returned for a get observer call
        //       for now it's a noop observer

• Read up
  Read up

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

Open

  public overrideAccessor(tagNameOrOverrides: string | Record<string, string[]>, key?: PropertyKey): void {
    let existingTagOverride: Record<string, true> | undefined;
    if (isString(tagNameOrOverrides)) {
      existingTagOverride = this._overrides[tagNameOrOverrides] ??= createLookup();
      existingTagOverride[key as string] = true;

• Read up
  Read up

Avoid too many return statements within this function.

Open

      return new SetterObserver(el as HTMLElement & IIndexable, key as string);

Avoid too many return statements within this function.

Open

        return elementPropertyAccessor;