0a69a2832b
This commit reformats the packages/compiler-cli tree using the new version of clang-format. PR Close #36520
63 lines
1.9 KiB
TypeScript
63 lines
1.9 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google Inc. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
import {Reference} from '../../imports';
|
|
import {DirectiveMeta, MetadataReader} from '../../metadata';
|
|
import {ClassDeclaration} from '../../reflection';
|
|
|
|
/**
|
|
* Given a reference to a directive, return a flattened version of its `DirectiveMeta` metadata
|
|
* which includes metadata from its entire inheritance chain.
|
|
*
|
|
* The returned `DirectiveMeta` will either have `baseClass: null` if the inheritance chain could be
|
|
* fully resolved, or `baseClass: 'dynamic'` if the inheritance chain could not be completely
|
|
* followed.
|
|
*/
|
|
export function flattenInheritedDirectiveMetadata(
|
|
reader: MetadataReader, dir: Reference<ClassDeclaration>): DirectiveMeta {
|
|
const topMeta = reader.getDirectiveMetadata(dir);
|
|
if (topMeta === null) {
|
|
throw new Error(`Metadata not found for directive: ${dir.debugName}`);
|
|
}
|
|
|
|
let inputs: {[key: string]: string|[string, string]} = {};
|
|
let outputs: {[key: string]: string} = {};
|
|
let coercedInputFields = new Set<string>();
|
|
let isDynamic = false;
|
|
|
|
const addMetadata = (meta: DirectiveMeta): void => {
|
|
if (meta.baseClass === 'dynamic') {
|
|
isDynamic = true;
|
|
} else if (meta.baseClass !== null) {
|
|
const baseMeta = reader.getDirectiveMetadata(meta.baseClass);
|
|
if (baseMeta !== null) {
|
|
addMetadata(baseMeta);
|
|
} else {
|
|
// Missing metadata for the base class means it's effectively dynamic.
|
|
isDynamic = true;
|
|
}
|
|
}
|
|
inputs = {...inputs, ...meta.inputs};
|
|
outputs = {...outputs, ...meta.outputs};
|
|
|
|
for (const coercedInputField of meta.coercedInputFields) {
|
|
coercedInputFields.add(coercedInputField);
|
|
}
|
|
};
|
|
|
|
addMetadata(topMeta);
|
|
|
|
return {
|
|
...topMeta,
|
|
inputs,
|
|
outputs,
|
|
coercedInputFields,
|
|
baseClass: isDynamic ? 'dynamic' : null,
|
|
};
|
|
}
|