document tasks needed to get this addon working

blueprints/codemod-blueprint/files/blueprints/__name__/index.js

@@ -28,7 +28,7 @@ module.exports = codemodBlueprint({
   /**
    * runs after the upstream blueprint is installed
    */
-  transform(options, helpers) {
+  async transform(options, helpers) {
     let { transformTemplate, transformScript } = helpers;
     let { project, args } = options;
     let projectRoot = project.root;

lib/base-blueprint.js

@@ -4,17 +4,29 @@
 const path = require('path');
 const fs = require('fs').promises;
 const execa = require('execa');
-const Blueprint = require('ember-cli/lib/models/blueprint');
 const recast = require('ember-template-recast');
 const jscodeshift = require('jscodeshift');
 
+const Blueprint = require('ember-cli/lib/models/blueprint');
+const mergeBlueprintOptions = require('ember-cli/lib/utilities/merge-blueprint-options');
+
+/**
+ * TODO: add an API to ember-cli to allow
+ *       accessing what files are generated in afterInstall
+ */
 module.exports = {
   description: 'Codemod Base Blueprint',
 
+  /**
+   * Be sure to `this._super.call(this)` if overriding
+   */
   async beforeInstall(options) {
     await this._installUpstreamBlueprint(options);
   },
 
+  /**
+   * Be sure to `this._super.call(this)` if overriding
+   */
   async afterInstall(options) {
     if (!this.transform) {
       throw new Error('codemod-blueprint must define a `transform` hook');
@@ -64,24 +76,59 @@ module.exports = {
     });
   },
 
-  async _installUpstreamBlueprint(options) {
+  beforeInstall(options) {
     let [, ...args] = options.args;
+    let blueprint = this._upstreamBlueprintPath();
+
+    mergeBlueprintOptions.call(this, [blueprint, ...args]);
+  },
+
+  async beforeUninstall(options) {
+    await this._uninstallUpstreamBlueprint(options);
+  },
+
+  /**
+   * @private - do not use outside of ember-codemod-blueprint
+   */
+  async _installUpstreamBlueprint(options) {
+    let taskOptions = this._upstreamTaskOptions(options);
 
-    // https://github.com/ember-cli/ember-cli/blob/master/lib/tasks/install-blueprint.js
-    let blueprint = 'component';
+    // await this.taskFor('install-blueprint').run(taskOptions);
+    await this.taskFor('generate-from-blueprint').run(taskOptions);
+  },
+
+  /**
+   * @private - do not use outside of ember-codemod-blueprint
+   */
+  async _uninstallUpstreamBlueprint(options) {
+    let taskOptions = this._upstreamTaskOptions(options);
+
+    await this.taskFor('destroy-from-blueprint').run(taskOptions);
+  },
+
+  /**
+   * @private - do not use outside of ember-codemod-blueprint
+   */
+  _upstreamTaskOptions(options) {
+    let [, ...args] = options.args;
+    let blueprint = this._upstreamBlueprintPath();
 
     let taskOptions = {
-      ...options,
+      // TODO: load blueprint options
+      ...options.taskOptions,
       blueprint,
-      rawName: options.entity.name,
       args: [blueprint, ...args],
-      taskOptions: {
-        ...options.taskOptions,
-        args: [blueprint, ...args],
-      },
-      rawArgs: [blueprint, ...args],
+      originBlueprintName: blueprint,
     };
 
-    await this.taskFor('install-blueprint').run(taskOptions);
+    return taskOptions;
+  },
+
+  _upstreamBlueprintPath() {
+    // If this exists, it'll have the `index.js` at the end
+    let blueprintIndex = require.resolve(this.upstream, { paths: [process.cwd()] });
+    let blueprint = blueprintIndex.replace(/\/index\.js$/, '');
+
+    return blueprint;
   },
 };

package.json

@@ -67,7 +67,7 @@
     "typescript": "^4.1.2"
   },
   "engines": {
-    "node": "10.* || >= 12"
+    "node": ">= 12"
   },
   "ember": {
     "edition": "octane"