@angular-devkit/schematics
Version:
Angular Schematics - Library
67 lines • 8.71 kB
JavaScript
;
/**
* @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.SchematicImpl = exports.InvalidSchematicsNameException = void 0;
const core_1 = require("@angular-devkit/core");
const operators_1 = require("rxjs/operators");
const call_1 = require("../rules/call");
const scoped_1 = require("../tree/scoped");
class InvalidSchematicsNameException extends core_1.BaseException {
constructor(name) {
super(`Schematics has invalid name: "${name}".`);
}
}
exports.InvalidSchematicsNameException = InvalidSchematicsNameException;
class SchematicImpl {
constructor(_description, _factory, _collection, _engine) {
this._description = _description;
this._factory = _factory;
this._collection = _collection;
this._engine = _engine;
if (!_description.name.match(/^[-@/_.a-zA-Z0-9]+$/)) {
throw new InvalidSchematicsNameException(_description.name);
}
}
get description() {
return this._description;
}
get collection() {
return this._collection;
}
call(options, host, parentContext, executionOptions) {
const context = this._engine.createContext(this, parentContext, executionOptions);
return host.pipe((0, operators_1.first)(), (0, operators_1.concatMap)((tree) => this._engine
.transformOptions(this, options, context)
.pipe((0, operators_1.map)((o) => [tree, o]))), (0, operators_1.concatMap)(([tree, transformedOptions]) => {
let input;
let scoped = false;
if (executionOptions && executionOptions.scope) {
scoped = true;
input = new scoped_1.ScopedTree(tree, executionOptions.scope);
}
else {
input = tree;
}
return (0, call_1.callRule)(this._factory(transformedOptions), input, context).pipe((0, operators_1.map)((output) => {
if (output === input) {
return tree;
}
else if (scoped) {
tree.merge(output);
return tree;
}
else {
return output;
}
}));
}));
}
}
exports.SchematicImpl = SchematicImpl;
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