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How to use parsePropMetadataParserViewChildren method in ng-mocks
Best JavaScript code snippet using ng-mocks
collect-declarations.ts
Source:collect-declarations.ts 
1import { ɵReflectionCapabilities as ReflectionCapabilities } from '@angular/core';2import coreDefineProperty from '../common/core.define-property';3import { AnyDeclaration } from '../common/core.types';4interface Declaration {5 host: Record<string, string | undefined>;6 hostBindings: Array<[string, string?, ...any[]]>;7 hostListeners: Array<[string, string?, ...any[]]>;8 attributes: string[];9 inputs: string[];10 outputs: string[];11 propDecorators: Record<string, any[]>;12 queries: Record<string, any>;13 decorators: Array<'Injectable' | 'Pipe' | 'Directive' | 'Component' | 'NgModule'>;14 [key: string]: any;15}16const pushDecorator = (decorators: string[], decorator: string): void => {17 const deleteIndex = decorators.indexOf(decorator);18 if (deleteIndex !== -1) {19 decorators.splice(deleteIndex, 1);20 }21 if (22 decorator === 'Injectable' ||23 decorator === 'Pipe' ||24 decorator === 'Directive' ||25 decorator === 'Component' ||26 decorator === 'NgModule'27 ) {28 decorators.push(decorator);29 }30};31const getAllKeys = <T extends Record<keyof any, any>>(instance: T): Array<keyof T> => {32 const props: string[] = [];33 for (const key of Object.keys(instance)) {34 props.push(key);35 }36 return props as never;37};38const createDeclarations = (parent: Partial<Declaration>): Declaration => ({39 host: parent.host ? { ...parent.host } : {},40 hostBindings: parent.hostBindings ? [...parent.hostBindings] : [],41 hostListeners: parent.hostListeners ? [...parent.hostListeners] : [],42 attributes: parent.attributes ? [...parent.attributes] : [],43 inputs: parent.inputs ? [...parent.inputs] : [],44 outputs: parent.outputs ? [...parent.outputs] : [],45 propDecorators: parent.propDecorators ? { ...parent.propDecorators } : {},46 queries: parent.queries ? { ...parent.queries } : {},47 decorators: parent.decorators ? [...parent.decorators] : [],48});49const parseParameters = (50 def: {51 __parameters__?: Array<null | Array<52 | {53 attributeName: string;54 ngMetadataName: 'Attribute';55 }56 | {57 token: AnyDeclaration<any>;58 ngMetadataName: 'Inject';59 }60 | {61 ngMetadataName: 'Optional';62 }63 >>;64 },65 declaration: Declaration,66): void => {67 if (Object.prototype.hasOwnProperty.call(def, '__parameters__') && def.__parameters__) {68 for (const decorators of def.__parameters__) {69 for (const decorator of decorators || []) {70 if (71 decorator.ngMetadataName === 'Attribute' &&72 declaration.attributes.indexOf(decorator.attributeName) === -173 ) {74 declaration.attributes.push(decorator.attributeName);75 }76 }77 }78 }79};80const parseAnnotations = (81 def: {82 __annotations__?: Array<{83 ngMetadataName?: string;84 }>;85 },86 declaration: Declaration,87): void => {88 if (Object.prototype.hasOwnProperty.call(def, '__annotations__') && def.__annotations__) {89 for (const annotation of def.__annotations__) {90 const ngMetadataName = annotation?.ngMetadataName;91 if (!ngMetadataName) {92 continue;93 }94 declaration[ngMetadataName] = { ...annotation, attributes: declaration.attributes };95 pushDecorator(declaration.decorators, ngMetadataName);96 }97 }98};99const parseDecorators = (100 def: {101 decorators?: Array<{102 args?: [any];103 type?: {104 prototype?: {105 ngMetadataName?: string;106 };107 };108 }>;109 },110 declaration: Declaration,111): void => {112 if (Object.prototype.hasOwnProperty.call(def, 'decorators') && def.decorators) {113 for (const decorator of def.decorators) {114 const ngMetadataName = decorator?.type?.prototype?.ngMetadataName;115 if (!ngMetadataName) {116 continue;117 }118 declaration[ngMetadataName] = decorator.args ? { ...decorator.args[0] } : {};119 pushDecorator(declaration.decorators, ngMetadataName);120 }121 }122};123const parsePropDecoratorsParserFactoryProp =124 (key: 'inputs' | 'outputs') =>125 (126 _: string,127 prop: string,128 decorator: {129 args?: [string];130 },131 declaration: Declaration,132 ): void => {133 const value = prop + (decorator.args?.[0] ? `: ${decorator.args[0]}` : '');134 if (declaration[key].indexOf(value) === -1) {135 declaration[key].unshift(value);136 }137 };138const parsePropDecoratorsParserInput = parsePropDecoratorsParserFactoryProp('inputs');139const parsePropDecoratorsParserOutput = parsePropDecoratorsParserFactoryProp('outputs');140const parsePropDecoratorsParserFactoryQuery =141 (isViewQuery: boolean) =>142 (143 ngMetadataName: string,144 prop: string,145 decorator: {146 args: [string] | [string, any];147 },148 declaration: Declaration,149 ): void => {150 if (!declaration.queries[prop]) {151 declaration.queries[prop] = {152 isViewQuery,153 ngMetadataName,154 selector: decorator.args[0],155 ...decorator.args[1],156 };157 }158 };159const parsePropDecoratorsParserContent = parsePropDecoratorsParserFactoryQuery(false);160const parsePropDecoratorsParserView = parsePropDecoratorsParserFactoryQuery(true);161const parsePropDecoratorsParserHostBinding = (162 _: string,163 prop: string,164 decorator: {165 args?: [string] | [string, any[]];166 },167 declaration: Declaration,168): void => {169 const key = `[${decorator.args?.[0] || prop}]`;170 if (!declaration.host[key]) {171 declaration.host[key] = prop;172 }173 declaration.hostBindings.push([prop, ...(decorator.args || [])]);174};175const parsePropDecoratorsParserHostListener = (176 _: string,177 prop: string,178 decorator: {179 args?: any[];180 },181 declaration: Declaration,182): void => {183 const key = `(${decorator.args?.[0] || prop})`;184 if (!declaration.host[key]) {185 declaration.host[key] = `${prop}($event)`;186 }187 declaration.hostListeners.push([prop, ...(decorator.args || [])]);188};189const parsePropDecoratorsMap: any = {190 ContentChild: parsePropDecoratorsParserContent,191 ContentChildren: parsePropDecoratorsParserContent,192 HostBinding: parsePropDecoratorsParserHostBinding,193 HostListener: parsePropDecoratorsParserHostListener,194 Input: parsePropDecoratorsParserInput,195 Output: parsePropDecoratorsParserOutput,196 ViewChild: parsePropDecoratorsParserView,197 ViewChildren: parsePropDecoratorsParserView,198};199const parsePropDecorators = (200 def: {201 propDecorators?: Record<202 string,203 Array<{204 args: any;205 type?: {206 prototype?: {207 ngMetadataName?: string;208 };209 };210 }>211 >;212 },213 declaration: Declaration,214): void => {215 if (Object.prototype.hasOwnProperty.call(def, 'propDecorators') && def.propDecorators) {216 for (const prop of getAllKeys(def.propDecorators)) {217 declaration.propDecorators[prop] = [...(declaration.propDecorators[prop] || []), ...def.propDecorators[prop]];218 for (const decorator of def.propDecorators[prop]) {219 const ngMetadataName = decorator?.type?.prototype?.ngMetadataName;220 if (!ngMetadataName) {221 continue;222 }223 parsePropDecoratorsMap[ngMetadataName]?.(ngMetadataName, prop, decorator, declaration);224 }225 }226 }227};228const parsePropMetadataParserFactoryProp =229 (key: 'inputs' | 'outputs') =>230 (231 _: string,232 prop: string,233 decorator: {234 bindingPropertyName?: string;235 },236 declaration: Declaration,237 ): void => {238 const value = prop + (decorator.bindingPropertyName ? `: ${decorator.bindingPropertyName}` : '');239 if (declaration[key].indexOf(value) === -1) {240 declaration[key].unshift(value);241 }242 };243const parsePropMetadataParserInput = parsePropMetadataParserFactoryProp('inputs');244const parsePropMetadataParserOutput = parsePropMetadataParserFactoryProp('outputs');245const parsePropMetadataParserFactoryQueryChild =246 (isViewQuery: boolean) =>247 (248 ngMetadataName: string,249 prop: string,250 decorator: {251 read?: any;252 selector: string;253 static?: boolean;254 },255 declaration: Declaration,256 ): void => {257 if (!declaration.queries[prop]) {258 declaration.queries[prop] = {259 isViewQuery,260 ngMetadataName,261 selector: decorator.selector,262 ...(decorator.read !== undefined ? { read: decorator.read } : {}),263 ...(decorator.static !== undefined ? { static: decorator.static } : {}),264 };265 }266 };267const parsePropMetadataParserContentChild = parsePropMetadataParserFactoryQueryChild(false);268const parsePropMetadataParserViewChild = parsePropMetadataParserFactoryQueryChild(true);269const parsePropMetadataParserFactoryQueryChildren =270 (isViewQuery: boolean) =>271 (272 ngMetadataName: string,273 prop: string,274 decorator: {275 descendants?: any;276 emitDistinctChangesOnly?: boolean;277 read?: any;278 selector: string;279 },280 declaration: Declaration,281 ): void => {282 if (!declaration.queries[prop]) {283 declaration.queries[prop] = {284 isViewQuery,285 ngMetadataName,286 selector: decorator.selector,287 ...(decorator.descendants !== undefined ? { descendants: decorator.descendants } : {}),288 ...(decorator.emitDistinctChangesOnly !== undefined289 ? { emitDistinctChangesOnly: decorator.emitDistinctChangesOnly }290 : {}),291 ...(decorator.read !== undefined ? { read: decorator.read } : {}),292 };293 }294 };295const parsePropMetadataParserContentChildren = parsePropMetadataParserFactoryQueryChildren(false);296const parsePropMetadataParserViewChildren = parsePropMetadataParserFactoryQueryChildren(true);297const parsePropMetadataParserHostBinding = (298 _: string,299 prop: string,300 decorator: {301 args?: any;302 hostPropertyName?: string;303 },304 declaration: Declaration,305): void => {306 const key = `[${decorator.hostPropertyName || prop}]`;307 if (!declaration.host[key]) {308 declaration.host[key] = prop;309 }310 declaration.hostBindings.push([311 prop,312 decorator.hostPropertyName || prop,313 ...(decorator.args ? [decorator.args] : []),314 ]);315};316const parsePropMetadataParserHostListener = (317 _: string,318 prop: string,319 decorator: {320 args?: any;321 eventName?: string;322 },323 declaration: Declaration,324): void => {325 const key = `(${decorator.eventName || prop})`;326 if (!declaration.host[key]) {327 declaration.host[key] = `${prop}($event)`;328 }329 declaration.hostListeners.push([prop, decorator.eventName || prop, ...(decorator.args ? [decorator.args] : [])]);330};331const parsePropMetadataMap: any = {332 ContentChild: parsePropMetadataParserContentChild,333 ContentChildren: parsePropMetadataParserContentChildren,334 HostBinding: parsePropMetadataParserHostBinding,335 HostListener: parsePropMetadataParserHostListener,336 Input: parsePropMetadataParserInput,337 Output: parsePropMetadataParserOutput,338 ViewChild: parsePropMetadataParserViewChild,339 ViewChildren: parsePropMetadataParserViewChildren,340};341const parsePropMetadata = (342 def: {343 __prop__metadata__?: Record<keyof any, any[]>;344 },345 declaration: Declaration,346): void => {347 if (Object.prototype.hasOwnProperty.call(def, '__prop__metadata__') && def.__prop__metadata__) {348 for (const prop of getAllKeys(def.__prop__metadata__)) {349 const decorators: Array<{350 ngMetadataName?: string;351 }> = def.__prop__metadata__[prop];352 for (const decorator of decorators) {353 const ngMetadataName = decorator?.ngMetadataName;354 if (!ngMetadataName) {355 continue;356 }357 parsePropMetadataMap[ngMetadataName]?.(ngMetadataName, prop, decorator, declaration);358 }359 }360 }361};362const buildDeclaration = (def: any | undefined, declaration: Declaration): void => {363 if (def) {364 def.inputs = def.inputs || [];365 for (const input of declaration.inputs) {366 if (def.inputs.indexOf(input) === -1) {367 def.inputs.push(input);368 }369 }370 def.outputs = def.outputs || [];371 for (const output of declaration.outputs) {372 if (def.outputs.indexOf(output) === -1) {373 def.outputs.push(output);374 }375 }376 def.queries = {377 ...(def.queries || []),378 ...declaration.queries,379 };380 def.hostBindings = declaration.hostBindings;381 def.hostListeners = declaration.hostListeners;382 }383};384const reflectionCapabilities = new ReflectionCapabilities();385const parse = (def: any): any => {386 if (typeof def !== 'function' && typeof def !== 'object') {387 return {};388 }389 if (Object.prototype.hasOwnProperty.call(def, '__ngMocksParsed')) {390 return def.__ngMocksDeclarations;391 }392 const parent = Object.getPrototypeOf(def);393 const parentDeclarations = parent ? parse(parent) : {};394 const declaration = createDeclarations(parentDeclarations);395 coreDefineProperty(def, '__ngMocksParsed', true);396 parseParameters(def, declaration);397 parseAnnotations(def, declaration);398 parseDecorators(def, declaration);399 parsePropDecorators(def, declaration);400 parsePropMetadata(def, declaration);401 buildDeclaration(declaration.Directive, declaration);402 buildDeclaration(declaration.Component, declaration);403 coreDefineProperty(def, '__ngMocksDeclarations', {404 ...parentDeclarations,405 ...declaration,406 parameters: reflectionCapabilities.parameters(def),407 });408 return def.__ngMocksDeclarations;409};...
Using AI Code Generation
1import { parsePropMetadataParserViewChildren } from 'ng-mocks';2import { parsePropMetadataParserViewChildren } from 'ng-mocks';3import { parsePropMetadataParserViewChildren } from 'ng-mocks';4import { parsePropMetadataParserViewChildren } from 'ng-mocks';5import { parsePropMetadataParserViewChildren } from 'ng-mocks';6import { parsePropMetadataParserViewChildren } from 'ng-mocks';7import { parsePropMetadataParserViewChildren } from 'ng-mocks';8import { parsePropMetadataParserViewChildren } from 'ng-mocks';9import { parsePropMetadataParserViewChildren } from 'ng-mocks';10import { parsePropMetadataParserViewChildren } from 'ng-mocks';11import { parsePropMetadataParserViewChildren } from 'ng-mocks';12import { parsePropMetadataParserViewChildren } from 'ng-mocks';13import { parsePropMetadataParserViewChildren } from 'ng-mocks';14import { parsePropMetadataParserViewChildren } from 'ng-mocks';
Using AI Code Generation
1import { parsePropMetadataParserViewChildren } from 'ng-mocks';2import { Component } from '@angular/core';3import { TestBed } from '@angular/core/testing';4@Component({5})6class TestComponent {7 public prop: any;8}9describe('parsePropMetadataParserViewChildren', () => {10 beforeEach(() => {11 TestBed.configureTestingModule({12 });13 });14 it('should parse view children', () => {15 const propMetadata = parsePropMetadataParserViewChildren(TestComponent);16 expect(propMetadata).toEqual({17 prop: {18 }19 });20 });21});
Using AI Code Generation
1import { parsePropMetadataParserViewChildren } from 'ng-mocks';2import { MyComponent } from './my.component';3describe('parsePropMetadataParserViewChildren', () => {4 it('should parse viewChildren property', () => {5 const viewChildren = parsePropMetadataParserViewChildren(MyComponent);6 expect(viewChildren).toEqual(['myChild']);7 });8});9import { Component, ViewChild } from '@angular/core';10import { MyChildComponent } from './my-child.component';11@Component({12})13export class MyComponent {14 @ViewChild(MyChildComponent) myChild: MyChildComponent;15}16import { Component } from '@angular/core';17@Component({18})19export class MyChildComponent {}20import { parsePropMetadataParserViewQueries } from 'ng-mocks';21import { MyComponent } from './my.component';22describe('parsePropMetadataParserViewQueries', () => {23 it('should parse viewQueries property', () => {24 const viewQueries = parsePropMetadataParserViewQueries(MyComponent);25 expect(viewQueries).toEqual(['myChild']);26 });27});28import { Component, ViewChild } from '@angular/core';29import { MyChildComponent } from './my-child.component';30@Component({31})
Using AI Code Generation
1import { MockRender } from 'ng-mocks';2import { TestComponent } from './test.component';3import { TestModule } from './test.module';4describe('TestComponent', () => {5 it('should create', () => {6 const fixture = MockRender(TestComponent, TestModule);7 const component = fixture.point.componentInstance;8 expect(component).toBeTruthy();9 });10 it('should parse prop metadata', () => {11 const fixture = MockRender(TestComponent, TestModule);12 const component = fixture.point.componentInstance;13 const children = ngMocks.parsePropMetadataParserViewChildren(component);14 expect(children).toEqual(['child1', 'child2']);15 });16});17@Component({18})19export class TestComponent {20 @ViewChild('child1') child1;21 @ViewChild('child2') child2;22}23@NgModule({24})25export class TestModule {}26import { ngMocks } from 'ng-mocks';27import { TestComponent } from './test.component';28import { TestModule } from './test.module';29describe('TestComponent', () => {30 it('should create', () => {31 const fixture = ngMocks.render(TestComponent, TestModule);32 const component = fixture.point.componentInstance;33 expect(component).toBeTruthy();34 });35 it('should parse prop metadata', () => {36 const fixture = ngMocks.render(TestComponent, TestModule);37 const component = fixture.point.componentInstance;38 const children = ngMocks.parsePropMetadataParserViewChildren(component);39 expect(children).toEqual(['child1', 'child2']);40 });41});42@Component({43})44export class TestComponent {45 @ViewChild('child1') child1;46 @ViewChild('child2') child2;47}48@NgModule({49})50export class TestModule {}51import { ngMocks } from 'ng-mocks';52import { TestComponent }
Using AI Code Generation
1import {parsePropMetadataParserViewChildren} from 'ng-mocks';2import {Component} from '@angular/core';3@Component({4})5export class TestComponent {6 constructor() {7 parsePropMetadataParserViewChildren(TestComponent);8 }9}10import {TestBed} from '@angular/core/testing';11import {TestComponent} from './test.component';12import {parsePropMetadataParserViewChildren} from 'ng-mocks';13import {Component} from '@angular/core';14describe('parsePropMetadataParserViewChildren', () => {15 it('should get view children', () => {16 TestBed.configureTestingModule({17 });18 const fixture = TestBed.createComponent(TestComponent);19 fixture.detectChanges();20 const viewChildren = parsePropMetadataParserViewChildren(TestComponent);21 expect(viewChildren).toBeDefined();22 });23});
Using AI Code Generation
1import { parsePropMetadataParserViewChildren } from 'ng-mocks';2@Component({3})4export class TestComponent {5@ViewChild('test') test: any;6}7const meta = parsePropMetadataParserViewChildren(TestComponent);8{ test: { selector: 'test', first: true } }
Using AI Code Generation
1import { parsePropMetadataParserViewChildren } from 'ng-mocks';2import { MyComponent } from './my.component';3const propMetadata = parsePropMetadataParserViewChildren(MyComponent);4import { Component, ViewChildren, QueryList } from '@angular/core';5import { ChildComponent } from './child.component';6@Component({7})8export class MyComponent {9 @ViewChildren(ChildComponent) children: QueryList<ChildComponent>;10}11import { Component } from '@angular/core';12@Component({13})14export class ChildComponent {}
Using AI Code Generation
1import { parsePropMetadataParserViewChildren } from 'ng-mocks';2const metadata = parsePropMetadataParserViewChildren({3 prop: {4 },5});6console.log(metadata);7parsePropMetadataParserViewChildren(metadata: any): any8parsePropMetadataParserViewContainerRef(metadata: any): any9parsePropMetadataParserViewChild(metadata: any): any10parsePropMetadataParserViewChildren(metadata: any): any11parsePropMetadataParserViewRef(metadata: any): any12parsePropMetadataParserView(metadata: any): any13parsePropMetadataParserViewQuery(metadata: any): any
Using AI Code Generation
1import { parsePropMetadataParserViewChildren } from 'ng-mocks';2const metadata = parsePropMetadataParserViewChildren(TestComponent);3console.log(metadata);4import { TestComponent } from './test.component';5describe('TestComponent', () => {6 let component: TestComponent;7 let fixture: ComponentFixture<TestComponent>;8 beforeEach(async(() => {9 TestBed.configureTestingModule({10 })11 .compileComponents();12 }));13 beforeEach(() => {14 fixture = TestBed.createComponent(TestComponent);15 component = fixture.componentInstance;16 fixture.detectChanges();17 });18 it('should create', () => {19 expect(component).toBeTruthy();20 });21});22{ viewChildren: { test: { selector: 'test', first: false, predicate: undefined, read: undefined, static: false } } }
Using AI Code Generation
1const propMetadata = parsePropMetadataParserViewChildren(TestComponent);2expect(propMetadata).toEqual({3 'child': {static: true, read: null},4 'children': {static: true, read: null},5});6parsePropMetadataParserViewChildren(component)7const propMetadata = parsePropMetadataParserViewChildren(TestComponent);8expect(propMetadata).toEqual({9 'child': {static: true, read: null},10 'children': {static: true, read: null},11});
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