nx/packages/angular/src/schematics/move/lib/update-module-name.ts
2021-01-25 12:52:30 -05:00

108 lines
3.5 KiB
TypeScript

import { classify } from '@angular-devkit/core/src/utils/strings';
import { SchematicContext, Tree } from '@angular-devkit/schematics';
import { getWorkspace } from '@nrwl/workspace';
import { getNewProjectName } from '@nrwl/workspace/src/generators/move/lib/utils';
import { from, Observable } from 'rxjs';
import { map } from 'rxjs/operators';
import { Schema } from '../schema';
/**
* Updates the Angular module name (including the spec file and index.ts)
*
* Again, if the user has deviated from the expected folder
* structure, they are very much on their own.
*
* @param schema The options provided to the schematic
*/
export function updateModuleName(schema: Schema) {
return (tree: Tree, _context: SchematicContext): Observable<Tree> => {
return from(getWorkspace(tree)).pipe(
map((workspace) => {
const newProjectName = getNewProjectName(schema.destination);
const project = workspace.projects.get(newProjectName);
if (project.extensions['projectType'] === 'application') {
// Expect the module to be something like 'app.module.ts' regardless of the folder name,
// Therefore, nothing to do.
return tree;
}
const moduleName = {
from: classify(schema.projectName),
to: classify(newProjectName),
};
const findModuleName = new RegExp(`\\b${moduleName.from}`, 'g');
const moduleFile = {
from: `${schema.projectName}.module`,
to: `${newProjectName}.module`,
};
const replaceImport = new RegExp(moduleFile.from, 'g');
const filesToChange = [
{
from: `${project.sourceRoot}/lib/${moduleFile.from}.ts`,
to: `${project.sourceRoot}/lib/${moduleFile.to}.ts`,
},
{
from: `${project.sourceRoot}/lib/${moduleFile.from}.spec.ts`,
to: `${project.sourceRoot}/lib/${moduleFile.to}.spec.ts`,
},
];
// Update the module file and its spec file
filesToChange.forEach((file) => {
if (tree.exists(file.from)) {
let content = tree.read(file.from).toString('utf-8');
if (findModuleName.test(content)) {
content = content.replace(findModuleName, moduleName.to);
}
if (replaceImport.test(content)) {
content = content.replace(replaceImport, moduleFile.to);
}
tree.create(file.to, content);
tree.delete(file.from);
}
});
// Update any files which import the module
for (const [name, definition] of workspace.projects.entries()) {
if (name === newProjectName) {
continue;
}
const projectDir = tree.getDir(definition.root);
projectDir.visit((file) => {
const contents = tree.read(file).toString('utf-8');
if (!findModuleName.test(contents)) {
return;
}
const updatedFile = tree
.read(file)
.toString()
.replace(findModuleName, moduleName.to);
tree.overwrite(file, updatedFile);
});
}
// Update the index file
const indexFile = `${project.sourceRoot}/index.ts`;
if (tree.exists(indexFile)) {
let content = tree.read(indexFile).toString('utf-8');
content = content.replace(replaceImport, moduleFile.to);
tree.overwrite(indexFile, content);
}
return tree;
})
);
};
}