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feat(compiler): Support default parameters in static reflector (#10370)

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Closes: #10369
This commit is contained in:
Chuck Jazdzewski
2016-07-29 09:10:45 -07:00
committed by GitHub
parent 0eca7abdd8
commit 763ca60f5b
5 changed files with 88 additions and 18 deletions
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26
tools/@angular/tsc-wrapped/src/collector.ts
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@ -1,7 +1,7 @@
import * as ts from 'typescript';
import {Evaluator, errorSymbol, isPrimitive} from './evaluator';
import {ClassMetadata, ConstructorMetadata, MemberMetadata, MetadataError, MetadataMap, MetadataObject, MetadataSymbolicExpression, MetadataSymbolicReferenceExpression, MetadataSymbolicSelectExpression, MetadataValue, MethodMetadata, ModuleMetadata, VERSION, isMetadataError, isMetadataSymbolicReferenceExpression, isMetadataSymbolicSelectExpression} from './schema';
import {ClassMetadata, ConstructorMetadata, FunctionMetadata, MemberMetadata, MetadataError, MetadataMap, MetadataObject, MetadataSymbolicExpression, MetadataSymbolicReferenceExpression, MetadataSymbolicSelectExpression, MetadataValue, MethodMetadata, ModuleMetadata, VERSION, isMetadataError, isMetadataSymbolicReferenceExpression, isMetadataSymbolicSelectExpression} from './schema';
import {Symbols} from './symbols';
@ -19,7 +19,7 @@ export class MetadataCollector {
public getMetadata(sourceFile: ts.SourceFile): ModuleMetadata {
const locals = new Symbols(sourceFile);
const evaluator = new Evaluator(locals);
let metadata: {[name: string]: MetadataValue | ClassMetadata}|undefined;
let metadata: {[name: string]: MetadataValue | ClassMetadata | FunctionMetadata}|undefined;
function objFromDecorator(decoratorNode: ts.Decorator): MetadataSymbolicExpression {
return <MetadataSymbolicExpression>evaluator.evaluateNode(decoratorNode.expression);
@ -32,7 +32,7 @@ export class MetadataCollector {
function maybeGetSimpleFunction(
functionDeclaration: ts.FunctionDeclaration |
ts.MethodDeclaration): {func: MetadataValue, name: string}|undefined {
ts.MethodDeclaration): {func: FunctionMetadata, name: string}|undefined {
if (functionDeclaration.name.kind == ts.SyntaxKind.Identifier) {
const nameNode = <ts.Identifier>functionDeclaration.name;
const functionName = nameNode.text;
@ -42,13 +42,17 @@ export class MetadataCollector {
if (statement.kind === ts.SyntaxKind.ReturnStatement) {
const returnStatement = <ts.ReturnStatement>statement;
if (returnStatement.expression) {
return {
name: functionName, func: {
__symbolic: 'function',
parameters: namesOf(functionDeclaration.parameters),
value: evaluator.evaluateNode(returnStatement.expression)
}
const func: FunctionMetadata = {
__symbolic: 'function',
parameters: namesOf(functionDeclaration.parameters),
value: evaluator.evaluateNode(returnStatement.expression)
};
if (functionDeclaration.parameters.some(p => p.initializer != null)) {
const defaults: MetadataValue[] = [];
func.defaults = functionDeclaration.parameters.map(
p => p.initializer && evaluator.evaluateNode(p.initializer));
}
return { func, name: functionName }
}
}
}
@ -90,8 +94,8 @@ export class MetadataCollector {
}
// static member
let statics: MetadataObject = null;
function recordStaticMember(name: string, value: MetadataValue) {
let statics: {[name: string]: MetadataValue | FunctionMetadata} = null;
function recordStaticMember(name: string, value: MetadataValue | FunctionMetadata) {
if (!statics) statics = {};
statics[name] = value;
}