dev: add pre-commit hooks

.djlintrc

@@ -0,0 +1,3 @@
+{
+"indent": 2
+}

.gitignore

@@ -1,5 +1,6 @@
 old/
 build/
+venv/
 *.pyc
 __pycache__
 /dist/

.pre-commit-config.yaml

@@ -0,0 +1,40 @@
+repos:
+  # Common hooks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+    - id: check-added-large-files
+    - id: check-merge-conflict
+      args: ["--assume-in-merge"]
+    - id: check-yaml
+    - id: detect-private-key
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+      args: ["--markdown-linebreak-ext=md"]
+
+  # Black - Python formatter
+  - repo: https://github.com/psf/black
+    rev: 25.1.0
+    hooks:
+    - id: black
+      exclude: (basicswap/contrib|basicswap/interface/contrib)/
+
+  # Flake8 - Lint Python
+  - repo: https://github.com/pycqa/flake8
+    rev: 7.3.0
+    hooks:
+    - id: flake8
+      args: ["--ignore=E203,E501,W503", "--exclude=basicswap/contrib,basicswap/interface/contrib,.eggs,.tox,bin/install_certifi.py"]
+
+  # ESLint - Lint Javascript and fix issues where possible
+  - repo: https://github.com/pre-commit/mirrors-eslint
+    rev: v9.30.1
+    hooks:
+    - id: eslint
+      #args: ["--fix"]
+
+  # djLint - Lint HTML
+  #- repo: https://github.com/djlint/djlint
+  #  rev: v1.36.4
+  #  hooks:
+  #  - id: djlint

eslint.config.mjs

@@ -0,0 +1,71 @@
+export default [
+    {
+        ignores: ["basicswap/static/js/libs/*"],
+        rules: {
+            "semi": "off",
+            "prefer-const": "error",
+            "no-trailing-spaces": "error",
+            "constructor-super": "error",
+            "for-direction": "error",
+            "getter-return": "error",
+            "no-async-promise-executor": "error",
+            "no-case-declarations": "off",
+            "no-class-assign": "error",
+            "no-compare-neg-zero": "error",
+            "no-cond-assign": "error",
+            "no-const-assign": "error",
+            "no-constant-binary-expression": "error",
+            "no-constant-condition": "error",
+            "no-control-regex": "error",
+            "no-debugger": "error",
+            "no-delete-var": "error",
+            "no-dupe-args": "error",
+            "no-dupe-class-members": "error",
+            "no-dupe-else-if": "error",
+            "no-dupe-keys": "error",
+            "no-duplicate-case": "error",
+            "no-empty": "error",
+            "no-empty-character-class": "error",
+            "no-empty-pattern": "error",
+            "no-empty-static-block": "error",
+            "no-ex-assign": "error",
+            "no-extra-boolean-cast": "error",
+            "no-fallthrough": "error",
+            "no-func-assign": "error",
+            "no-global-assign": "error",
+            "no-import-assign": "error",
+            "no-invalid-regexp": "error",
+            "no-irregular-whitespace": "error",
+            "no-loss-of-precision": "error",
+            "no-misleading-character-class": "error",
+            "no-new-native-nonconstructor": "error",
+            "no-nonoctal-decimal-escape": "error",
+            "no-obj-calls": "error",
+            "no-octal": "error",
+            "no-prototype-builtins": "error",
+            "no-redeclare": "error",
+            "no-regex-spaces": "error",
+            "no-self-assign": "error",
+            "no-setter-return": "error",
+            "no-shadow-restricted-names": "error",
+            "no-sparse-arrays": "error",
+            "no-this-before-super": "error",
+            "no-undef": "off",
+            "no-unexpected-multiline": "error",
+            "no-unreachable": "error",
+            "no-unsafe-finally": "error",
+            "no-unsafe-negation": "error",
+            "no-unsafe-optional-chaining": "error",
+            "no-unused-labels": "error",
+            "no-unused-private-class-members": "error",
+            "no-unused-vars": "error",
+            "no-useless-backreference": "error",
+            "no-useless-catch": "error",
+            "no-useless-escape": "error",
+            "no-with": "error",
+            "require-yield": "error",
+            "use-isnan": "error",
+            "valid-typeof": "error"
+        }
+    }
+];

pyproject.toml

@@ -33,6 +33,7 @@ dev = [
     "codespell",
     "flake8",
     "pip-tools",
+    "pre-commit",
     "pytest",
     "ruff",
     "black==25.1.0",