fix(compiler): generate inputs with aliases properly (#26774)
PR Close #26774
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@ -110,12 +110,14 @@ export function extractDirectiveMetadata(
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// fields.
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const inputsFromMeta = parseFieldToPropertyMapping(directive, 'inputs', reflector, checker);
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const inputsFromFields = parseDecoratedFields(
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filterToMembersWithDecorator(decoratedElements, 'Input', coreModule), reflector, checker);
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filterToMembersWithDecorator(decoratedElements, 'Input', coreModule), reflector, checker,
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resolveInput);
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// And outputs.
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const outputsFromMeta = parseFieldToPropertyMapping(directive, 'outputs', reflector, checker);
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const outputsFromFields = parseDecoratedFields(
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filterToMembersWithDecorator(decoratedElements, 'Output', coreModule), reflector, checker);
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filterToMembersWithDecorator(decoratedElements, 'Output', coreModule), reflector, checker,
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resolveOutput) as{[field: string]: string};
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// Construct the list of queries.
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const contentChildFromFields = queriesFromFields(
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filterToMembersWithDecorator(decoratedElements, 'ContentChild', coreModule), reflector,
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@ -330,7 +332,8 @@ function parseFieldToPropertyMapping(
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*/
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function parseDecoratedFields(
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fields: {member: ClassMember, decorators: Decorator[]}[], reflector: ReflectionHost,
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checker: ts.TypeChecker): {[field: string]: string} {
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checker: ts.TypeChecker, mapValueResolver: (publicName: string, internalName: string) =>
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string | string[]): {[field: string]: string | string[]} {
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return fields.reduce(
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(results, field) => {
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const fieldName = field.member.name;
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@ -344,7 +347,7 @@ function parseDecoratedFields(
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if (typeof property !== 'string') {
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throw new Error(`Decorator argument must resolve to a string`);
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}
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results[fieldName] = property;
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results[fieldName] = mapValueResolver(property, fieldName);
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} else {
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// Too many arguments.
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throw new Error(
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@ -353,7 +356,15 @@ function parseDecoratedFields(
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});
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return results;
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},
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{} as{[field: string]: string});
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{} as{[field: string]: string | string[]});
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}
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function resolveInput(publicName: string, internalName: string) {
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return [publicName, internalName];
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}
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function resolveOutput(publicName: string, internalName: string) {
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return publicName;
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}
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export function queriesFromFields(
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@ -518,7 +518,10 @@ function tcbGetInputBindingExpressions(
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// is desired. Invert `dir.inputs` into `propMatch` to create this map.
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const propMatch = new Map<string, string>();
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const inputs = dir.inputs;
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Object.keys(inputs).forEach(key => propMatch.set(inputs[key], key));
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Object.keys(inputs).forEach(key => {
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Array.isArray(inputs[key]) ? propMatch.set(inputs[key][0], key) :
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propMatch.set(inputs[key] as string, key);
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});
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// Add a binding expression to the map for each input of the directive that has a
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// matching binding.
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@ -1887,7 +1887,7 @@ describe('compiler compliance', () => {
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type: LifecycleComp,
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selectors: [["lifecycle-comp"]],
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factory: function LifecycleComp_Factory(t) { return new (t || LifecycleComp)(); },
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inputs: {nameMin: "name"},
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inputs: {nameMin: ["name", "nameMin"]},
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features: [$r3$.ɵNgOnChangesFeature],
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consts: 0,
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vars: 0,
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@ -2301,7 +2301,7 @@ describe('compiler compliance', () => {
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});
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});
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describe('inherited bare classes', () => {
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describe('inherited base classes', () => {
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it('should add ngBaseDef if one or more @Input is present', () => {
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const files = {
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app: {
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@ -56,7 +56,7 @@ describe('compiler compliance: listen()', () => {
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…
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inputs:{
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componentInput: "componentInput",
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originalComponentInput: "renamedComponentInput"
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originalComponentInput: ["renamedComponentInput", "originalComponentInput"]
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},
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outputs: {
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componentOutput: "componentOutput",
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@ -70,7 +70,7 @@ describe('compiler compliance: listen()', () => {
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…
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inputs:{
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directiveInput: "directiveInput",
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originalDirectiveInput: "renamedDirectiveInput"
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originalDirectiveInput: ["renamedDirectiveInput", "originalDirectiveInput"]
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},
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outputs: {
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directiveOutput: "directiveOutput",
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@ -86,4 +86,4 @@ describe('compiler compliance: listen()', () => {
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expectEmit(result.source, directiveDef, 'Incorrect directive definition');
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});
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});
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});
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@ -86,7 +86,7 @@ export interface R3DirectiveMetadata {
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/**
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* A mapping of input field names to the property names.
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*/
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inputs: {[field: string]: string};
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inputs: {[field: string]: string | string[]};
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/**
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* A mapping of output field names to the property names.
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@ -532,12 +532,15 @@ function stringAsType(str: string): o.Type {
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return o.expressionType(o.literal(str));
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}
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function stringMapAsType(map: {[key: string]: string}): o.Type {
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const mapValues = Object.keys(map).map(key => ({
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key,
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value: o.literal(map[key]),
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quoted: true,
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}));
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function stringMapAsType(map: {[key: string]: string | string[]}): o.Type {
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const mapValues = Object.keys(map).map(key => {
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const value = Array.isArray(map[key]) ? map[key][0] : map[key];
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return {
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key,
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value: o.literal(value),
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quoted: true,
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};
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});
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return o.expressionType(o.literalMap(mapValues));
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}
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@ -44,7 +44,7 @@ export interface DirectiveMeta {
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*
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* Goes from property names to field names.
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*/
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inputs: {[property: string]: string};
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inputs: {[property: string]: string | string[]};
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/**
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* Set of outputs which this directive claims.
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@ -67,8 +67,8 @@ export function asLiteral(value: any): o.Expression {
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return o.literal(value, o.INFERRED_TYPE);
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}
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export function conditionallyCreateMapObjectLiteral(keys: {[key: string]: string}): o.Expression|
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null {
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export function conditionallyCreateMapObjectLiteral(keys: {[key: string]: string | string[]}):
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o.Expression|null {
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if (Object.getOwnPropertyNames(keys).length > 0) {
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return mapToExpression(keys);
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}
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@ -153,13 +153,14 @@ function directiveMetadata(type: Type<any>, metadata: Directive): R3DirectiveMet
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const inputsFromMetadata = parseInputOutputs(metadata.inputs || []);
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const outputsFromMetadata = parseInputOutputs(metadata.outputs || []);
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const inputsFromType: StringMap = {};
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const inputsFromType: {[key: string]: string | string[]} = {};
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const outputsFromType: StringMap = {};
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for (const field in propMetadata) {
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if (propMetadata.hasOwnProperty(field)) {
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propMetadata[field].forEach(ann => {
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if (isInput(ann)) {
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inputsFromType[field] = ann.bindingPropertyName || field;
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inputsFromType[field] =
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ann.bindingPropertyName ? [ann.bindingPropertyName, field] : field;
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} else if (isOutput(ann)) {
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outputsFromType[field] = ann.bindingPropertyName || field;
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}
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@ -12,7 +12,7 @@ import {InjectorDef, defineInjectable} from '@angular/core/src/di/defs';
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import {Injectable} from '@angular/core/src/di/injectable';
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import {inject, setCurrentInjector} from '@angular/core/src/di/injector_compatibility';
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import {ivyEnabled} from '@angular/core/src/ivy_switch';
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import {Component, HostBinding, HostListener, Input, Output, Pipe} from '@angular/core/src/metadata/directives';
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import {Component, Directive, HostBinding, HostListener, Input, Output, Pipe} from '@angular/core/src/metadata/directives';
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import {NgModule, NgModuleDef} from '@angular/core/src/metadata/ng_module';
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import {ComponentDef, PipeDef} from '@angular/core/src/render3/interfaces/definition';
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@ -252,6 +252,33 @@ ivyEnabled && describe('render3 jit', () => {
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expect(pipeDef.pure).toBe(true, 'pipe should be pure');
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});
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it('should add @Input properties to a component', () => {
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@Component({
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selector: 'input-comp',
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template: 'test',
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})
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class InputComp {
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@Input('publicName') privateName = 'name1';
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}
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const InputCompAny = InputComp as any;
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expect(InputCompAny.ngComponentDef.inputs).toEqual({publicName: 'privateName'});
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expect(InputCompAny.ngComponentDef.declaredInputs).toEqual({privateName: 'privateName'});
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});
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it('should add @Input properties to a directive', () => {
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@Directive({
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selector: '[dir]',
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})
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class InputDir {
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@Input('publicName') privateName = 'name1';
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}
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const InputDirAny = InputDir as any;
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expect(InputDirAny.ngDirectiveDef.inputs).toEqual({publicName: 'privateName'});
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expect(InputDirAny.ngDirectiveDef.declaredInputs).toEqual({privateName: 'privateName'});
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});
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it('should add ngBaseDef to types with @Input properties', () => {
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class C {
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@Input('alias1')
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