2f7492c986
Removes `CompileIdentifierMetadata.name` / `.moduleUrl`, as well as `CompileTypeMetadata.name / moduleUrl` and `CompileFactoryMetadata.name / moduleUrl`.
83 lines
3.0 KiB
TypeScript
83 lines
3.0 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {CompileDirectiveMetadata, CompileDirectiveSummary, CompileIdentifierMetadata, CompileTokenMetadata, identifierName} from '../compile_metadata';
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import {createDiTokenExpression} from '../compiler_util/identifier_util';
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import {isPresent} from '../facade/lang';
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import {Identifiers, createIdentifier} from '../identifiers';
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import * as o from '../output/output_ast';
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import {ViewType} from '../private_import_core';
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import {CompileView} from './compile_view';
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export function getPropertyInView(
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property: o.Expression, callingView: CompileView, definedView: CompileView): o.Expression {
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if (callingView === definedView) {
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return property;
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} else {
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let viewProp: o.Expression = o.THIS_EXPR;
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let currView: CompileView = callingView;
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while (currView !== definedView && isPresent(currView.declarationElement.view)) {
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currView = currView.declarationElement.view;
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viewProp = viewProp.prop('parentView');
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}
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if (currView !== definedView) {
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throw new Error(
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`Internal error: Could not calculate a property in a parent view: ${property}`);
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}
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return property.visitExpression(new _ReplaceViewTransformer(viewProp, definedView), null);
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}
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}
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class _ReplaceViewTransformer extends o.ExpressionTransformer {
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constructor(private _viewExpr: o.Expression, private _view: CompileView) { super(); }
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private _isThis(expr: o.Expression): boolean {
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return expr instanceof o.ReadVarExpr && expr.builtin === o.BuiltinVar.This;
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}
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visitReadVarExpr(ast: o.ReadVarExpr, context: any): any {
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return this._isThis(ast) ? this._viewExpr : ast;
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}
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visitReadPropExpr(ast: o.ReadPropExpr, context: any): any {
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if (this._isThis(ast.receiver)) {
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// Note: Don't cast for members of the AppView base class...
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if (this._view.fields.some((field) => field.name == ast.name) ||
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this._view.getters.some((field) => field.name == ast.name)) {
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return this._viewExpr.cast(this._view.classType).prop(ast.name);
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}
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}
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return super.visitReadPropExpr(ast, context);
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}
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}
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export function injectFromViewParentInjector(
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view: CompileView, token: CompileTokenMetadata, optional: boolean): o.Expression {
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let viewExpr: o.Expression;
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if (view.viewType === ViewType.HOST) {
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viewExpr = o.THIS_EXPR;
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} else {
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viewExpr = o.THIS_EXPR.prop('parentView');
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}
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const args = [createDiTokenExpression(token), o.THIS_EXPR.prop('parentIndex')];
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if (optional) {
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args.push(o.NULL_EXPR);
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}
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return viewExpr.callMethod('injectorGet', args);
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}
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export function getViewClassName(
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component: CompileDirectiveSummary | CompileDirectiveMetadata,
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embeddedTemplateIndex: number): string {
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return `View_${identifierName(component.type)}${embeddedTemplateIndex}`;
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}
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export function getHandleEventMethodName(elementIndex: number): string {
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return `handleEvent_${elementIndex}`;
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}
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