Downgrade Prettier to stable release and use editor config (#517)

JavaScript files have been reformatted to line width of 88 chars.

.editorconfig

@@ -3,41 +3,24 @@ root = True
 
 # For all files
 [*]
-end_of_line = lf
-insert_final_newline = true
-
-# For all code, config and documentation
-[*.{js,py,jinja2,j2,html,css,sass,scss,json,yml,md,rst}]
 charset = utf-8
+end_of_line = lf
+indent_size = 2
 indent_style = space
+insert_final_newline = true
+max_line_length = 88
 tab_width = 8
+trim_trailing_whitespace = true
 
 # Python code
 [*.py]
-indent_style = space
 indent_size = 4
-trim_trailing_whitespace = true
-
-# JavaScript and HTML/CSS
-[*.{js,jinja2,j2,html,css,sass,scss}]
-indent_style = space
-indent_size = 2
-trim_trailing_whitespace = true
 
 # Makefile
 [Makefile]
 indent_style = tab
 indent_size = tab
-trim_trailing_whitespace = true
-
-# Config
-[*.{json,yml,toml}]
-indent_style = space
-indent_size = 2
-trim_trailing_whitespace = true
 
-# Documentation
-[*.{md,rst,md.jinja2}]
-indent_style = space
-indent_size = 4
+# Markdown
+[*.{md,md.jinja2}]
 trim_trailing_whitespace = false

.pre-commit-config.yaml

@@ -76,9 +76,7 @@ repos:
         args: ['-c', 'pyproject.toml']
         additional_dependencies:
           - 'bandit[toml]'
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v4.0.0-alpha.8
+  - repo: https://github.com/pycontribs/mirrors-prettier
+    rev: v3.3.1
     hooks:
       - id: prettier
-        args: ['--single-quote', '--trailing-comma', 'es5']
-        exclude: funnel/templates/js/

.prettierrc.json

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "trailingComma": "es5"
+}