Angular schematics involves various tasks that can be customized. I am looking to create a new task to execute using the script executor, similar to an example provided by Angular.
Currently, I am simply running predefined tasks at the end of the schematic.
After successfully registering an executor, I encountered a limitation due to the usage of a private field. To address this issue, follow these steps:
const host = <NodeModulesEngineHost>(<any>context.engine)._host; // Unfortunately, this line is not supported
host.registerTaskExecutor<YourFactoryOptions>({
name: "your-executor-name",
create: (opt) => import('../path/to/executor').then(mod => mod.default(opt))
});
You can refer to the process of creating the task executor registration on Github for guidance. The actual registration occurs later at this location.
After considering going down this route, I realized that adding custom tasks is not currently supported. So, instead of attempting that, I opted to create a straightforward schematic that encapsulates the method I intended to call and utilize the RunSchematicTask. This approach addressed my issue and gave me a sense of security, even though it led to some extra boilerplate in the schematics directory.
To illustrate, here's the basic schematic:
export function simpleSchematic(options: any): Rule {
return async () => {
await someAsyncMethod(options);
}
}
And this is how I utilized it within the "parent" schematic:
export function parentSchematic(options: any): Rule {
return chain([
someRuleCreator(options),
(_tree: Tree, context: SchematicContext) => {
context.addTask(new RunSchematicTask('simple-schematic', {})
}
]);
}
It should be noted that I had to include the simple-schematic entry in the collection.json, although I omitted that detail from my example above.
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