refactor(serializers): use proper ts types for ng-snapshot

src/serializers/ng-snapshot.ts

@@ -1,50 +1,13 @@
-import type { ComponentRef, Type, ɵCssSelectorList } from '@angular/core';
+import type { ɵComponentType, ɵDirectiveDef } from '@angular/core';
 import type { ComponentFixture } from '@angular/core/testing';
-import type { Colors } from 'pretty-format';
-
-/**
- * The follow interfaces are customized heavily inspired by @angular/core/core.d.ts
- */
-interface ComponentDef {
-    selectors: ɵCssSelectorList;
-}
-interface IvyComponentType extends Type<unknown> {
-    ɵcmp: ComponentDef;
-}
-interface NgComponentRef extends ComponentRef<unknown> {
-    componentType: IvyComponentType;
-    _elDef: any; // eslint-disable-line @typescript-eslint/no-explicit-any
-    _view: any; // eslint-disable-line @typescript-eslint/no-explicit-any
-}
-interface NgComponentFixture extends ComponentFixture<unknown> {
-    componentRef: NgComponentRef;
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    componentInstance: Record<string, any>;
-}
-
-/**
- * The following types haven't been exported by jest so temporarily we copy typings from 'pretty-format'
- */
-interface PluginOptions {
-    edgeSpacing: string;
-    min: boolean;
-    spacing: string;
-}
-type Indent = (indentSpaces: string) => string;
-type Printer = (elementToSerialize: unknown) => string;
+import type { OldPlugin } from 'pretty-format';
 
 const attributesToRemovePatterns = ['__ngContext__'];
 
-const print = (
-    fixture: NgComponentFixture,
-    printer: Printer,
-    indent: Indent,
-    opts: PluginOptions,
-    colors: Colors,
-): string => {
+const print: OldPlugin['print'] = (fixture, printer, indent, opts, colors) => {
     let componentAttrs = '';
-    const { componentRef, componentInstance } = fixture;
-    const componentDef = componentRef.componentType.ɵcmp;
+    const { componentRef, componentInstance } = fixture as ComponentFixture<Record<string, unknown>>;
+    const componentDef = (componentRef.componentType as ɵComponentType<unknown>).ɵcmp as ɵDirectiveDef<unknown>;
     const componentName = componentDef.selectors[0][0] as string;
     const nodes = Array.from(componentRef.location.nativeElement.childNodes).map(printer).join('');
     const attributes = Object.keys(componentInstance).filter((key) => !attributesToRemovePatterns.includes(key));
@@ -80,11 +43,9 @@ const print = (
     ).replace(/\n^\s*\n/gm, '\n');
 };
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types
-const test = (val: any): boolean =>
-    !!val && typeof val === 'object' && Object.prototype.hasOwnProperty.call(val, 'componentRef');
+const test: OldPlugin['test'] = (val) => !!val && typeof val === 'object' && 'componentRef' in val;
 
 export = {
     print,
     test,
-};
+} as OldPlugin;