[Misc] Update to CDS major version v8 (#23)

README.md

@@ -6,9 +6,7 @@ The CAP Operator Plugin offers a simple method for generating [CAP Operator](htt
 
 ## Before You Start
 
-The CAP Operator plugin requires `@sap/cds-dk: "~7.9.5"`. If you've installed @sap/cds-dk  globally, ensure that the installed version is `7.9.5` or higher, but below `8`.
-
-> `@sap/cds-dk: "~8"` is not supported yet.
+The CAP Operator plugin requires `@sap/cds-dk: ">=8.1.0"`. If you've installed @sap/cds-dk  globally, ensure that the installed version is `8.1.0` or higher.
 
 ## Set Up the Plugin
 

lib/build.js

@@ -6,7 +6,7 @@ SPDX-License-Identifier: Apache-2.0
 const cds = require('@sap/cds-dk');
 const { exists, path } = cds.utils
 
-module.exports = class CapOperatorBuildPlugin extends cds.build.BuildPlugin {
+module.exports = class CapOperatorBuildPlugin extends cds.build.Plugin {
   static hasTask() {
     return exists('chart')
   }
@@ -15,6 +15,15 @@ module.exports = class CapOperatorBuildPlugin extends cds.build.BuildPlugin {
     src: '.', dest: 'chart'
   }
 
+  init() {
+    if (this.task.src !== cds.root) {
+      throw new Error("Invalid value for property 'src', it must have value '.'")
+    }
+
+    // different from the default build output structure
+    this.task.dest = path.join(cds.root, cds.env.build.target !== '.' ? cds.env.build.target : 'gen', 'chart')
+  }
+
   async copyTemplates() {
     if (exists(path.join(this.task.src, 'chart/templates'))){
       return await this.copy(path.join(this.task.src, 'chart/templates')).to(path.join(this.task.dest, 'templates'))