Merge branch 'release/1.1.0' into master

Author: titouanmathis

bin/cli.js

@@ -4,10 +4,9 @@ const prettierFormatterGitlab = require('../src/index.js');
 
 const [, , cmd] = process.argv;
 
-exec(cmd, (error) => {
+exec(cmd, async (error) => {
   if (error) {
-    prettierFormatterGitlab(error);
-    console.log(error.toString());
+    await prettierFormatterGitlab(error);
     process.exit(1);
   }
 });

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@studiometa/prettier-formatter-gitlab",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "A Prettier formatter for the GitLab Code Quality report",
   "main": "src/index.js",
   "bin": {
@@ -35,10 +35,13 @@
     "@studiometa/eslint-config": "^2.1.3",
     "@studiometa/prettier-config": "^2.0.1",
     "eslint": "^7.11.0",
-    "jest": "^26.6.0",
-    "prettier": "^2.1.2"
+    "jest": "^26.6.0"
   },
   "dependencies": {
-    "js-yaml": "^3.14.0"
+    "chalk": "^4.1.0",
+    "jest-diff": "^26.6.2",
+    "js-yaml": "^3.14.0",
+    "prettier-linter-helpers": "^1.0.0",
+    "prettier": "^2.2.0"
   }
 }

package.json

@@ -0,0 +1,28 @@
+const chalk = require('chalk');
+const { diffStringsUnified } = require('jest-diff');
+const getFileInfo = require('../utils/get-file-info.js');
+
+/**
+ * Format Prettier formatting errors in diff format.
+ * @param {Object} { filename, input, output } A file Prettier informations.
+ */
+function formatDiff({ filename, input, output }) {
+  console.log(`----------------------------------------------------
+${filename}
+----------------------------------------------------`);
+  console.log(
+    diffStringsUnified(input || '', output || '', {
+      aColor: chalk.red,
+      bColor: chalk.green,
+      omitAnnotationLines: true,
+      contextLines: 2,
+      expand: false,
+    })
+  );
+  console.log('');
+}
+
+module.exports = async (files) => {
+  const infos = await Promise.all(files.map(getFileInfo));
+  infos.forEach(formatDiff);
+};