initial try at detecting package.json settings

standard · Aug 31, 2017 · 264c442 · 264c442
1 parent 8ea2b8e
commit 264c442
Showing 1 changed file with 31 additions and 2 deletions.
diff --git a/eslint-server/src/server.ts b/eslint-server/src/server.ts
@@ -19,6 +19,7 @@ import {
 
 import Uri from 'vscode-uri';
 import path = require('path');
+import readFileSync = require('fs');
 const deglob = require('deglob');
 namespace Is {
 	const toString = Object.prototype.toString;
@@ -343,7 +344,35 @@ documents.onDidOpen((event) => {
 	if (!supportedLanguages[event.document.languageId]) {
 		return;
 	}
-	const style = settings.standard.semistandard ? 'semistandard' : 'standard';
+	const usePackageJSON = settings.standard.usePackageJSON;
+    let pkgStyle
+    let pkgOptions
+    if (usePackageJSON) {
+        const pkgPath = path.join(workspaceRoot, 'package.json');
+        const pkgStr = readFileSync(pkgPath, 'utf8');
+        const pkg = JSON.parse(pkgStr);
+        if (pkg && pkg.devDependencies && pkg.devDependencies.standard) {
+            pkgStyle = 'standard';
+        } else if (pkg && pkg.devDependencies && pkg.devDependencies.semistandard) {
+            pkgStyle = 'semistandard';
+		}
+
+        if (pkgStyle) {
+            pkgOptions = pkg[pkgStyle];
+        } else {
+            connection.console.info('no standard in package.json');
+            return;
+        }
+	}
+
+    let style = settings.standard.semistandard ? 'semistandard' : 'standard';
+    if (pkgStyle) {
+        style = pkgStyle;
+    }
+    if (pkgOptions) {
+        options = pkgOptions;
+	}
+
 	if (!document2Library[event.document.uri]) {
 		let uri = Uri.parse(event.document.uri);
 		let promise: Thenable<string>
@@ -1145,4 +1174,4 @@ connection.onExecuteCommand((params) => {
 		connection.console.error(`Failed to apply command: ${params.command}`);
 	});
 })
-connection.listen();
+connection.listen();