chore: add lint rules, fix script\configs

web/eslint-plugins/__tests__/comments-english.test.ts

@@ -0,0 +1,96 @@
+// Tests for the conventions/comments-english rule
+// (web/eslint-plugins/conventions/comments-english.js).
+//
+// Pure AST check over comment nodes with an ASCII whitelist; string literals
+// are ignored by construction (they are not comments), which the cases below
+// pin down.
+import { RuleTester } from "eslint";
+import tseslint from "typescript-eslint";
+import { describe, it } from "vitest";
+import commentsEnglish from "../conventions/comments-english.js";
+import { asRuleModule } from "./helpers.js";
+
+RuleTester.describe = describe;
+RuleTester.it = it;
+
+const tester = new RuleTester({
+	languageOptions: {
+		parser: tseslint.parser,
+	},
+});
+
+tester.run("comments-english", asRuleModule(commentsEnglish), {
+	valid: [
+		{ code: "// resize the canvas\nconst x = 1;", filename: "a.ts" },
+		{ code: "/* multi\nline */\nconst x = 1;", filename: "a.ts" },
+		{
+			// Localized strings are dictionary content, not comments.
+			code: "const title = 'Пример';",
+			filename: "a.ts",
+		},
+		{
+			// Glyphs listed in allowChars pass.
+			code: "// size 512×512\nconst x = 1;",
+			filename: "a.ts",
+			options: [{ allowChars: ["×"] }],
+		},
+		{
+			// A tab inside a comment is legitimate whitespace.
+			code: "//\tnote\nconst x = 1;",
+			filename: "a.ts",
+		},
+	],
+	invalid: [
+		{
+			code: "// ресайз холста\nconst x = 1;",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }],
+		},
+		{
+			// Whitelist catches scripts beyond Cyrillic too.
+			code: "// 调整画布大小\nconst x = 1;",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }],
+		},
+		{
+			code: "// تغيير حجم اللوحة\nconst x = 1;",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }],
+		},
+		{
+			// Typography in an otherwise English comment is still non-ASCII.
+			code: "// resize — then crop\nconst x = 1;",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }],
+		},
+		{
+			code: "/* много\nстрочный */\nconst x = 1;",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }],
+		},
+		{
+			code: "const x = 1; // хвостовой комментарий",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }],
+		},
+		{
+			// One report per offending comment, not per file.
+			code: "// раз\n// два\nconst x = 1;",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }, { messageId: "nonAscii" }],
+		},
+		{
+			// allowChars does not whitelist other glyphs in the same comment.
+			code: "// 512×512 → done\nconst x = 1;",
+			filename: "a.ts",
+			options: [{ allowChars: ["×"] }],
+			errors: [{ messageId: "nonAscii" }],
+		},
+		{
+			// Control characters (here: vertical tab) are not printable ASCII.
+			code: "// \x0B note\nconst x = 1;",
+			filename: "a.ts",
+			errors: [{ messageId: "nonAscii" }],
+		},
+	],
+});