🔨 new prettify script.

.github/workflows/publish.yml

@@ -20,6 +20,12 @@ jobs:
               with:
                   deno-version: 2.0.0-rc.5
 
+            - name: Lint
+              run: deno lint
+
+            - name: Prettify
+              run: deno run prettify
+
             - name: Test
               run: deno test --coverage
 

.vscode/settings.json

@@ -5,24 +5,6 @@
 	},
 	"editor.defaultFormatter": "esbenp.prettier-vscode",
 	"editor.formatOnSave": true,
-	"prettier.arrowParens": "avoid",
-	"prettier.bracketSameLine": true,
-	"prettier.bracketSpacing": true,
-	"prettier.embeddedLanguageFormatting": "auto",
-	"prettier.endOfLine": "lf",
-	"prettier.experimentalTernaries": true,
-	"prettier.htmlWhitespaceSensitivity": "strict",
-	"prettier.jsxSingleQuote": false,
-	"prettier.printWidth": 80,
-	"prettier.proseWrap": "always",
-	"prettier.quoteProps": "as-needed",
-	"prettier.semi": true,
-	"prettier.singleAttributePerLine": false,
-	"prettier.singleQuote": false,
-	"prettier.tabWidth": 4,
-	"prettier.trailingComma": "all",
-	"prettier.useTabs": true,
-	"prettier.vueIndentScriptAndStyle": true,
 	"[typescript]": {
 		"editor.defaultFormatter": "esbenp.prettier-vscode"
 	}

deno.json

@@ -13,7 +13,8 @@
 	},
 	"exclude": [".git"],
 	"imports": {
-		"@std/assert": "jsr:@std/assert@^1.0.6"
+		"@std/assert": "jsr:@std/assert@^1.0.6",
+		"prettier": "npm:prettier@^3.3.3"
 	},
 	"lint": {
 		"rules": {
@@ -122,6 +123,9 @@
 			]
 		}
 	},
+	"tasks": {
+		"prettify": "deno run --allow-env --allow-read --allow-sys --allow-write ./tasks/prettify.ts"
+	},
 	"workspace": [
 		"./@coven/compare",
 		"./@coven/constants",

prettier.config.mjs

@@ -0,0 +1,101 @@
+/**
+ * @import { Options } from "npm:prettier";
+ */
+
+/**
+ * Prettier configuration.
+ * @see [Prettier options](https://prettier.io/docs/en/options.html)
+ * @type {Options}
+ */
+export default {
+	/**
+	 * Avoid parentheses around a sole arrow function parameter.
+	 */
+	arrowParens: "avoid",
+
+	/**
+	 * Put the `>` of a multi-line HTML like in a new line.
+	 */
+	bracketSameLine: false,
+
+	/**
+	 * Print spaces between brackets in object literals.
+	 */
+	bracketSpacing: true,
+
+	/**
+	 * Control whether Prettier formats quoted code embedded in the file.
+	 */
+	embeddedLanguageFormatting: "auto",
+
+	/**
+	 * Unix EOL.
+	 */
+	endOfLine: "lf",
+
+	/**
+	 * Use curious ternaries, with the question mark after the condition,
+	 * instead of on the same line as the consequent.
+	 */
+	experimentalTernaries: true,
+
+	/**
+	 * Strict whitespace in HTML.
+	 */
+	htmlWhitespaceSensitivity: "strict",
+
+	/**
+	 * JSX should use double quote.
+	 */
+	jsxSingleQuote: false,
+
+	/**
+	 * Print width is ideal at 80 characters.
+	 */
+	printWidth: 80,
+
+	/**
+	 * Wrap text to fit the print width.
+	 */
+	proseWrap: "always",
+
+	/**
+	 * Add quotes around properties of object if needed.
+	 */
+	quoteProps: "as-needed",
+
+	/**
+	 * Print semicolons at the ends of statements.
+	 */
+	semi: true,
+
+	/**
+	 * Shows multiple attributes per line in HTML, Vue and JSX.
+	 */
+	singleAttributePerLine: false,
+
+	/**
+	 * Use double quotes.
+	 */
+	singleQuote: false,
+
+	/**
+	 * Tab width at 4 is ideal.
+	 */
+	tabWidth: 4,
+
+	/**
+	 * Add trailing commas to make edition easier and diffing better.
+	 */
+	trailingComma: "all",
+
+	/**
+	 * Obviously use tabs.
+	 */
+	useTabs: true,
+
+	/**
+	 * Indent code in Vue files.
+	 */
+	vueIndentScriptAndStyle: true,
+};

tasks/prettify.ts

@@ -0,0 +1,32 @@
+import { format } from "prettier";
+import prettierConfig from "../prettier.config.mjs";
+
+const extensions = [".js", ".json", ".md", ".ts"];
+const decoder = new TextDecoder("utf-8");
+const encoder = new TextEncoder();
+
+const getFiles = async function* (
+	directory = ".",
+): AsyncGenerator<[path: string, content: string]> {
+	for await (const entry of Deno.readDir(directory)) {
+		if (!entry.name.startsWith(".")) {
+			const path = `${directory}/${entry.name}`;
+
+			entry.isDirectory ? yield* getFiles(path)
+			: extensions.some(extension => entry.name.endsWith(extension)) ?
+				yield await Deno.readFile(path).then(content => [
+					path,
+					decoder.decode(content),
+				])
+			:	undefined;
+		}
+	}
+};
+
+Array.fromAsync(getFiles()).then(files =>
+	files.forEach(([filepath, code]) =>
+		format(code, { filepath, ...prettierConfig }).then(formattedCode =>
+			Deno.writeFile(filepath, encoder.encode(formattedCode)),
+		),
+	),
+);

tests/@coven/terminal/format.test.ts

@@ -6,9 +6,15 @@ Deno.test("Format works on string", () =>
 );
 
 Deno.test("Format works as a template tag function", () =>
-	assertEquals(format(1, 2)`Coven Engineering ${13}`, "Coven Engineering 13"),
+	assertEquals(
+		format(1, 2)`Coven Engineering ${13}`,
+		"Coven Engineering 13",
+	),
 );
 
 Deno.test("Nested format works", () =>
-	assertEquals(format(1, 2)`Hi ${format(3, 2)`witch`}!`, "Hi witch!"),
+	assertEquals(
+		format(1, 2)`Hi ${format(3, 2)`witch`}!`,
+		"Hi witch!",
+	),
 );