Switch from prettier to Biome

.pre-commit-config.yaml

@@ -1,9 +1,9 @@
 repos:
   # Hooks that are run everywhere
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v4.0.0-alpha.8 # Only update together with the pre-commit yaml in the tempalate!
+  - repo: https://github.com/biomejs/pre-commit
+    rev: v1.9.4
     hooks:
-      - id: prettier
+      - id: biome-format
   # Hooks that are run for scripts
   - repo: https://github.com/tox-dev/pyproject-fmt
     rev: v2.5.0

biome.jsonc

@@ -0,0 +1,16 @@
+{
+    "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
+    "formatter": { "useEditorconfig": true },
+    "overrides": [
+        {
+            "include": ["**/*.vscode*/*.json", "**/*.jsonc"],
+            "json": {
+                "formatter": { "trailingCommas": "all" },
+                "parser": {
+                    "allowComments": true,
+                    "allowTrailingCommas": true,
+                },
+            },
+        },
+    ],
+}

{{cookiecutter.project_name}}/.pre-commit-config.yaml

@@ -6,10 +6,10 @@ default_stages:
   - pre-push
 minimum_pre_commit_version: 2.16.0
 repos:
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v4.0.0-alpha.8
+  - repo: https://github.com/biomejs/pre-commit
+    rev: v1.9.4
     hooks:
-      - id: prettier
+      - id: biome-format
   - repo: https://github.com/tox-dev/pyproject-fmt
     rev: v2.5.0
     hooks:

{{cookiecutter.project_name}}/biome.jsonc

@@ -0,0 +1,16 @@
+{
+    "$schema": "https://biomejs.dev/schemas/1.9.4/schema.json",
+    "formatter": { "useEditorconfig": true },
+    "overrides": [
+        {
+            "include": ["./.vscode/*.json", "**/*.jsonc"],
+            "json": {
+                "formatter": { "trailingCommas": "all" },
+                "parser": {
+                    "allowComments": true,
+                    "allowTrailingCommas": true,
+                },
+            },
+        },
+    ],
+}

{{cookiecutter.project_name}}/docs/contributing.md

@@ -70,13 +70,12 @@ to integrate the changes into yours.
 While the [pre-commit.ci][] is useful, we strongly encourage installing and running pre-commit locally first to understand its usage.
 
 Finally, most editors have an _autoformat on save_ feature.
-Consider enabling this option for [ruff][ruff-editors] and [prettier][prettier-editors].
+Consider enabling this option for [ruff][ruff-editors] and [biome][biome-editors].
 
 [pre-commit]: https://pre-commit.com/
 [pre-commit.ci]: https://pre-commit.ci/
 [ruff-editors]: https://docs.astral.sh/ruff/integrations/
-
-[prettier-editors]: https://prettier.io/docs/en/editors.html
+[biome-editors]: https://biomejs.dev/guides/integrate-in-editor/
 
 (writing-tests)=
 

{{cookiecutter.project_name}}/docs/template_usage.md

@@ -53,7 +53,7 @@ You'll notice that the command `git commit` installed a bunch of packages and tr
 To read more about what they are and what they do, you can go to the related section [Pre-commit checks](#pre-commit-checks) in this document.
 
 :::{note}
-There is a chance that `git commit -m "first commit"` fails due to the `prettier` pre-commit formatting the file `.cruft.json`.
+There is a chance that `git commit -m "first commit"` fails due to the `biome` pre-commit formatting of the file `.cruft.json`.
 No problem, you have just experienced what pre-commit checks do in action. Just go ahead and re-add the modified file and try to commit again:
 
 ```bash
@@ -260,8 +260,8 @@ Once authorized, pre-commit.ci should automatically be activated.
 
 The following pre-commit hooks are for code style and format:
 
-- [prettier](https://prettier.io/docs/en/index.html):
-  standard code formatter for non-Python files (e.g. YAML).
+- [biome](https://biomejs.dev/):
+  code formatter for non-Python files (e.g. JSON).
 - [ruff][] formatting (`ruff-format`)
 - [ruff][] based checks:
     - [isort](https://beta.ruff.rs/docs/rules/#isort-i) (rule category: `I`):
@@ -308,8 +308,8 @@ This section shows you where these checks are defined, and how to enable/ disabl
 ##### pre-commit
 
 You can add or remove pre-commit checks by simply deleting relevant lines in the `.pre-commit-config.yaml` file under the repository root.
-Some pre-commit checks have additional options that can be specified either in the `pyproject.toml` (for `ruff`) or tool-specific config files,
-such as `.prettierrc.yml` for **prettier**.
+Some pre-commit checks have additional options that can be specified either in the `pyproject.toml` (for [ruff][]) or tool-specific config files,
+such as `biome.jsonc` for [biome][].
 
 ##### Ruff
 

{{cookiecutter.project_name}}/{{".vscode" if cookiecutter.ide_integration else "DELETE-ME" }}/extensions.json

@@ -13,6 +13,6 @@
         // Linting and formatting
         "editorconfig.editorconfig",
         "charliermarsh.ruff",
-        "esbenp.prettier-vscode",
+        "biomejs.biome",
     ],
 }

{{cookiecutter.project_name}}/{{".vscode" if cookiecutter.ide_integration else "DELETE-ME" }}/settings.json

@@ -1,5 +1,5 @@
 {
-    "[python][jsonc][yaml]": {
+    "[python][json][jsonc]": {
         "editor.formatOnSave": true,
     },
     "[python]": {
@@ -9,8 +9,8 @@
             "source.organizeImports": "always",
         },
     },
-    "[jsonc][yaml]": {
-        "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "[json][jsonc]": {
+        "editor.defaultFormatter": "biomejs.biome",
     },
     "python.analysis.typeCheckingMode": "basic",
     "python.testing.pytestEnabled": true,