53 lines
1.8 KiB
TypeScript
53 lines
1.8 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google LLC 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 {Rule, SchematicsException, Tree} from '@angular-devkit/schematics';
|
|
import {relative} from 'path';
|
|
|
|
import {getProjectTsConfigPaths} from '../../utils/project_tsconfig_paths';
|
|
import {canMigrateFile, createMigrationProgram} from '../../utils/typescript/compiler_host';
|
|
import {findNativeEncapsulationNodes} from './util';
|
|
|
|
|
|
/** Migration that switches from `ViewEncapsulation.Native` to `ViewEncapsulation.ShadowDom`. */
|
|
export default function(): Rule {
|
|
return (tree: Tree) => {
|
|
const {buildPaths, testPaths} = getProjectTsConfigPaths(tree);
|
|
const basePath = process.cwd();
|
|
const allPaths = [...buildPaths, ...testPaths];
|
|
|
|
if (!allPaths.length) {
|
|
throw new SchematicsException(
|
|
'Could not find any tsconfig file. Cannot migrate away from Native view encapsulation.');
|
|
}
|
|
|
|
for (const tsconfigPath of allPaths) {
|
|
runNativeViewEncapsulationMigration(tree, tsconfigPath, basePath);
|
|
}
|
|
};
|
|
}
|
|
|
|
function runNativeViewEncapsulationMigration(tree: Tree, tsconfigPath: string, basePath: string) {
|
|
const {program} = createMigrationProgram(tree, tsconfigPath, basePath);
|
|
const typeChecker = program.getTypeChecker();
|
|
const sourceFiles =
|
|
program.getSourceFiles().filter(sourceFile => canMigrateFile(basePath, sourceFile, program));
|
|
|
|
sourceFiles.forEach(sourceFile => {
|
|
const update = tree.beginUpdate(relative(basePath, sourceFile.fileName));
|
|
const identifiers = findNativeEncapsulationNodes(typeChecker, sourceFile);
|
|
|
|
identifiers.forEach(node => {
|
|
update.remove(node.getStart(), node.getWidth());
|
|
update.insertRight(node.getStart(), 'ShadowDom');
|
|
});
|
|
|
|
tree.commitUpdate(update);
|
|
});
|
|
}
|