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https://github.com/angular/angular
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9c697030e6
Note: This checks the constructors of `@Injectable` classes more strictly.
E.g this will fail now as the constructor argument has no `@Inject` nor is
the type of the argument a DI token.
```
@Injectable()
class MyService {
constructor(dep: string) {}
}
```
Last part of #12787
Closes #12787
43 lines
No EOL
1.3 KiB
TypeScript
43 lines
No EOL
1.3 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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/**
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* A token representing the a reference to a static type.
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*
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* This token is unique for a filePath and name and can be used as a hash table key.
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*/
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export class StaticSymbol {
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constructor(public filePath: string, public name: string, public members: string[]) {}
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assertNoMembers() {
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if (this.members.length) {
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throw new Error(
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`Illegal state: symbol without members expected, but got ${JSON.stringify(this)}.`);
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}
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}
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}
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/**
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* A cache of static symbol used by the StaticReflector to return the same symbol for the
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* same symbol values.
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*/
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export class StaticSymbolCache {
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private cache = new Map<string, StaticSymbol>();
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get(declarationFile: string, name: string, members?: string[]): StaticSymbol {
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members = members || [];
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const memberSuffix = members.length ? `.${ members.join('.')}` : '';
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const key = `"${declarationFile}".${name}${memberSuffix}`;
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let result = this.cache.get(key);
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if (!result) {
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result = new StaticSymbol(declarationFile, name, members);
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this.cache.set(key, result);
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}
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return result;
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}
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} |