packages/cli: move plugin diff modules to separate diff lib

packages/cli/src/commands/plugin/diff.ts

@@ -15,13 +15,14 @@
  */
 
 import { Command } from 'commander';
-import { readTemplateFiles } from './read';
-import { handlers, handleAllFiles } from './handlers';
 import {
+  readTemplateFiles,
+  handlers,
+  handleAllFiles,
   inquirerPromptFunc,
   makeCheckPromptFunc,
   yesPromptFunc,
-} from './prompts';
+} from '../../lib/diff';
 
 const fileHandlers = [
   {

packages/cli/src/lib/diff/handlers.ts

@@ -18,7 +18,7 @@ import fs from 'fs-extra';
 import chalk from 'chalk';
 import { dirname } from 'path';
 import { diffLines } from 'diff';
-import { paths } from '../../../lib/paths';
+import { paths } from '../paths';
 import { TemplateFile, PromptFunc, FileHandler } from './types';
 
 export async function writeTargetFile(targetPath: string, contents: string) {
@@ -221,8 +221,8 @@ export async function handleAllFiles(
 ) {
   for (const file of files) {
     const { targetPath } = file;
-    const fileHandler = fileHandlers.find((handler) =>
-      handler.patterns.some((pattern) =>
+    const fileHandler = fileHandlers.find(handler =>
+      handler.patterns.some(pattern =>
         typeof pattern === 'string'
           ? pattern === targetPath
           : pattern.test(targetPath),

packages/cli/src/lib/diff/index.ts

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2020 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export * from './handlers';
+export * from './prompts';
+export * from './read';
+export * from './types';

packages/cli/src/lib/diff/read.ts

@@ -18,8 +18,8 @@ import fs from 'fs-extra';
 import { relative as relativePath } from 'path';
 import handlebars from 'handlebars';
 import recursiveReadDir from 'recursive-readdir';
-import { paths } from '../../../lib/paths';
-import { version } from '../../../lib/version';
+import { paths } from '../paths';
+import { version } from '../version';
 import { PluginInfo, TemplateFile } from './types';
 
 // Reads info from the existing plugin
@@ -64,11 +64,9 @@ export async function readTemplate(
   templateDir: string,
   templateVars: any,
 ): Promise<TemplateFile[]> {
-  const templateFilePaths = await recursiveReadDir(templateDir).catch(
-    (error) => {
-      throw new Error(`Failed to read template directory: ${error.message}`);
-    },
-  );
+  const templateFilePaths = await recursiveReadDir(templateDir).catch(error => {
+    throw new Error(`Failed to read template directory: ${error.message}`);
+  });
 
   const templateFiles = new Array<TemplateFile>();
   for (const templateFile of templateFilePaths) {