@syncfusion/ej2-angular-base/schematics/utils/ast.js

A common package of Essential JS 2 base Angular libraries, methods and class definitions

"use strict";
/**
 * @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
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.updateChanges = exports.addModuleImportToModule = exports.getSourceFile = void 0;
const schematics_1 = require("@angular-devkit/schematics");
const ts = require("typescript");
const ast_utils_1 = require("@schematics/angular/utility/ast-utils");
const change_1 = require("@schematics/angular/utility/change");
// export type WorkspaceDefinition = workspaces.WorkspaceDefinition;
// export type ProjectDefinition = workspaces.ProjectDefinition;
/**
 * Reads file given path and returns TypeScript source file.
 */
function getSourceFile(host, path) {
    const buffer = host.read(path);
    if (!buffer) {
        throw new schematics_1.SchematicsException(`Could not find file for path: ${path}`);
    }
    const content = buffer.toString();
    return ts.createSourceFile(path, content, ts.ScriptTarget.Latest, true);
}
exports.getSourceFile = getSourceFile;
/**
 * Import and add module to root app module.
 */
// export function addModuleImportToRootModule(host: Tree, moduleName: string, src: string,
//     project: workspaces.WorkspaceDefinition) {
//     const modulePath: string = getAppModulePath(host, project.extensions.architect.);
//     addModuleImportToModule(host, modulePath, moduleName, src);
// }
/**
 * Import and add module to specific module path.
 * @param host the tree we are updating
 * @param modulePath src location of the module to import
 * @param moduleName name of module to import
 * @param src src location to import
 */
function addModuleImportToModule(host, modulePath, moduleName, src) {
    const moduleSource = getSourceFile(host, modulePath);
    let modulesToBeAdded = [];
    if (!moduleSource) {
        throw new schematics_1.SchematicsException(`Module not found: ${modulePath}`);
    }
    moduleName.split(',').forEach((module) => {
        if (!(0, ast_utils_1.isImported)(moduleSource, module.trim(), src) && module !== '') {
            modulesToBeAdded.push(module);
        }
    });
    if (modulesToBeAdded.length) {
        let changes = (0, ast_utils_1.addImportToModule)(moduleSource, modulePath, modulesToBeAdded.toString().trim(), src);
        if (!changes[0] && (modulePath.includes("component.ts") || modulePath.includes("app.ts"))) {
            changes = updateChanges(changes, modulePath, moduleSource, moduleName, src);
        }
        const recorder = host.beginUpdate(modulePath);
        changes.forEach((change) => {
            if (change instanceof change_1.InsertChange) {
                recorder.insertLeft(change.pos, change.toAdd);
            }
        });
        host.commitUpdate(recorder);
    }
}
exports.addModuleImportToModule = addModuleImportToModule;
/**
 * Import and add module to root app component in Angular ^17.
 */
function updateChanges(changes, modulePath, moduleSource, moduleName, src) {
    const imports = `import { ${moduleName} } from '${src}';\n`;
    const importSearchRegex = /import\s*{[^}]*}\s*from\s*'@angular\/core';/;
    const importBlockRegex = /imports:\s*\[/;
    const match1 = moduleSource.text.match(importSearchRegex);
    const match2 = moduleSource.text.match(importBlockRegex);
    if (!match2) {
        //Not a stand alone component no import statement under @component decorator.
        return changes;
    }
    const position1 = match1.index + match1[0].length;
    const position2 = match2.index + match2[0].length;
    changes = [
        new change_1.InsertChange(modulePath, position1 + 1, // Position
        imports),
        new change_1.InsertChange(modulePath, position2, // Position
        moduleName + ", "),
    ];
    return changes;
}
exports.updateChanges = updateChanges;