From 13f4c62ba3870f172e6fdb26d4f33576f7f60f7e Mon Sep 17 00:00:00 2001
From: Aarni Koskela <akx@iki.fi>
Date: Wed, 17 May 2023 13:23:01 +0300
Subject: Add basic ESLint configuration for formatting

This doesn't enable any of ESLint's actual possible-issue linting,
but just style normalization based on the Prettier configuration (but without line length limits).
---
 .eslintrc.js | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 .eslintrc.js

(limited to '.eslintrc.js')

diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 00000000..48f9df7d
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,49 @@
+module.exports = {
+    env: {
+        browser: true,
+        es2021: true,
+    },
+    // "extends": "eslint:recommended",
+    parserOptions: {
+        ecmaVersion: "latest",
+    },
+    rules: {
+        "arrow-spacing": "error",
+        "block-spacing": "error",
+        "brace-style": "error",
+        "comma-dangle": ["error", "only-multiline"],
+        "comma-spacing": "error",
+        "comma-style": ["error", "last"],
+        "curly": ["error", "multi-line", "consistent"],
+        "eol-last": "error",
+        "func-call-spacing": "error",
+        "function-call-argument-newline": ["error", "consistent"],
+        "function-paren-newline": ["error", "consistent"],
+        "indent": ["error", 4],
+        "key-spacing": "error",
+        "keyword-spacing": "error",
+        "linebreak-style": ["error", "unix"],
+        "no-extra-semi": "error",
+        "no-mixed-spaces-and-tabs": "error",
+        "no-trailing-spaces": "error",
+        "no-whitespace-before-property": "error",
+        "object-curly-newline": ["error", {consistent: true, multiline: true}],
+        "quote-props": ["error", "consistent-as-needed"],
+        "semi": ["error", "always"],
+        "semi-spacing": "error",
+        "semi-style": ["error", "last"],
+        "space-before-blocks": "error",
+        "space-before-function-paren": ["error", "never"],
+        "space-in-parens": ["error", "never"],
+        "space-infix-ops": "error",
+        "space-unary-ops": "error",
+        "switch-colon-spacing": "error",
+        "template-curly-spacing": ["error", "never"],
+        "unicode-bom": "error",
+        // "no-multi-spaces": "error", // TODO: enable?
+        // "object-curly-spacing": "off", // TODO: enable?
+        // "object-property-newline": "off", // TODO: enable?
+        // "operator-linebreak": "off", // TODO: enable?
+        // "quotes": ["error", "double", {avoidEscape: true}],  // TODO: enable?
+    },
+};
-- 
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