76 lines
2.7 KiB
TypeScript
76 lines
2.7 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 {Rule, SchematicContext, SchematicsException, Tree} from '@angular-devkit/schematics';
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import {dirname, relative} from 'path';
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import * as ts from 'typescript';
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import {getProjectTsConfigPaths} from '../../utils/project_tsconfig_paths';
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import {createMigrationCompilerHost} from '../../utils/typescript/compiler_host';
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import {parseTsconfigFile} from '../../utils/typescript/parse_tsconfig';
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import {identifyDynamicQueryNodes, removeOptionsParameter, removeStaticFlag} from './util';
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/**
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* Runs the dynamic queries migration for all TypeScript projects in the current CLI workspace.
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*/
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export default function(): Rule {
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return (tree: Tree, ctx: SchematicContext) => {
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const {buildPaths, testPaths} = getProjectTsConfigPaths(tree);
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const basePath = process.cwd();
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const allPaths = [...buildPaths, ...testPaths];
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ctx.logger.info('------ Dynamic queries migration ------');
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if (!allPaths.length) {
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throw new SchematicsException(
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'Could not find any tsconfig file. Cannot migrate dynamic queries.');
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}
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for (const tsconfigPath of allPaths) {
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runDynamicQueryMigration(tree, tsconfigPath, basePath);
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}
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};
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}
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function runDynamicQueryMigration(tree: Tree, tsconfigPath: string, basePath: string) {
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const parsed = parseTsconfigFile(tsconfigPath, dirname(tsconfigPath));
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const host = createMigrationCompilerHost(tree, parsed.options, basePath);
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const program = ts.createProgram(parsed.fileNames, parsed.options, host);
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const typeChecker = program.getTypeChecker();
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const sourceFiles = program.getSourceFiles().filter(
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f => !f.isDeclarationFile && !program.isSourceFileFromExternalLibrary(f));
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const printer = ts.createPrinter();
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sourceFiles.forEach(sourceFile => {
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const result = identifyDynamicQueryNodes(typeChecker, sourceFile);
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if (result.removeProperty.length || result.removeParameter.length) {
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const update = tree.beginUpdate(relative(basePath, sourceFile.fileName));
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result.removeProperty.forEach(node => {
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update.remove(node.getStart(), node.getWidth());
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update.insertRight(
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node.getStart(),
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printer.printNode(ts.EmitHint.Unspecified, removeStaticFlag(node), sourceFile));
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});
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result.removeParameter.forEach(node => {
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update.remove(node.getStart(), node.getWidth());
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update.insertRight(
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node.getStart(),
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printer.printNode(ts.EmitHint.Unspecified, removeOptionsParameter(node), sourceFile));
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});
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tree.commitUpdate(update);
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}
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});
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}
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