Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
77 lines (63 sloc) 2.53 KB
/**
* @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 {Rule, SchematicContext, Tree, chain, noop} from '@angular-devkit/schematics';
import {NodePackageInstallTask} from '@angular-devkit/schematics/tasks';
import {Schema} from './schema';
export default function(options: Schema): Rule {
return chain([
options && options.skipPackageJson ? noop() : addPackageJsonDependency(), addScript(options)
]);
}
/** Adds a package.json dependency for document-register-element */
function addPackageJsonDependency() {
return (host: Tree, context: SchematicContext) => {
if (host.exists('package.json')) {
const jsonStr = host.read('package.json') !.toString('utf-8');
const json = JSON.parse(jsonStr);
// If there are no dependencies, create an entry for dependencies.
const type = 'dependencies';
if (!json[type]) {
json[type] = {};
}
// If not already present, add the dependency.
const pkg = 'document-register-element';
const version = '^1.7.2';
if (!json[type][pkg]) {
json[type][pkg] = version;
}
// Write the JSON back to package.json
host.overwrite('package.json', JSON.stringify(json, null, 2));
context.logger.log('info', 'Added `document-register-element` as a dependency.');
// Install the dependency
context.addTask(new NodePackageInstallTask());
}
return host;
};
}
/** Adds the document-register-element.js script to the angular CLI json. */
function addScript(options: Schema) {
return (host: Tree, context: SchematicContext) => {
const script = 'node_modules/document-register-element/build/document-register-element.js';
try {
// Handle the new json - angular.json
const angularJsonFile = host.read('angular.json');
if (angularJsonFile) {
const json = JSON.parse(angularJsonFile.toString('utf-8'));
const project = Object.keys(json['projects'])[0] || options.project;
const scripts = json['projects'][project]['architect']['build']['options']['scripts'];
scripts.push({input: script});
host.overwrite('angular.json', JSON.stringify(json, null, 2));
}
} catch {
context.logger.log(
'warn', 'Failed to add the polyfill document-register-element.js to scripts');
}
context.logger.log('info', 'Added document-register-element.js polyfill to scripts');
return host;
};
}
You can’t perform that action at this time.