chore: progress

.gitignore

@@ -30,3 +30,4 @@ cache
 *.timestamp-*
 site
 .zed
+html

biome.json

@@ -91,6 +91,7 @@
         "useAwait": "off",
         "noConsoleLog": "off",
         "noExplicitAny": "off",
+        "noFocusedTests": "off",
         "noEmptyInterface": "off",
         "noConfusingVoidType": "off"
       },

packages/core/package.json

@@ -20,6 +20,7 @@
   "scripts": {
     "build": "tsup --config=tsup.config.ts",
     "test": "vitest --run",
+    "test:ui": "vitest --ui",
     "typecheck": "tsc --project tsconfig.json --noEmit",
     "clean": "rm -rf dist",
     "prebuild": "rm -rf dist",
@@ -38,11 +39,13 @@
     "@arethetypeswrong/cli": "^0.15.3",
     "@shikijs/transformers": "^1.10.1",
     "@types/node": "^20.14.9",
+    "@vitest/ui": "^1.6.0",
     "hast-util-to-html": "^9.0.1",
     "mdast-util-to-hast": "^13.2.0",
     "prettier": "^3.3.2",
     "remark": "^15.0.1",
     "shiki": "^1.10.1",
+    "ts-dedent": "^2.2.0",
     "tsup": "^8.1.0",
     "tsx": "^4.16.2",
     "typescript": "^5.5.3",

packages/core/src/index.ts

@@ -435,20 +435,18 @@ export function rehypePrettyCode(
         // biome-ignore lint/complexity/noExcessiveCognitiveComplexity: <explanation>
         visit(codeTree, 'element', (element) => {
           if (element.tagName === 'code') {
-            const showLineNumbers = /srebmuNeniLwohs/.test(reverseString(meta));
+            const showLineNumbers = /(?:^|\s)showLineNumbers(?:\s|$)/.test(meta);
             if (showLineNumbers) {
               if (element.properties) {
                 element.properties['data-line-numbers'] = '';
               }
 
-              const lineNumbersStartAtMatch = reverseString(meta).match(
-                /(?:\}(\d+){)?srebmuNeniLwohs/,
+              const lineNumbersStartAtMatch = meta.match(
+                /showLineNumbers=(\d+)/
               );
               const startNumberString = lineNumbersStartAtMatch?.[1];
               if (startNumberString) {
-                const startAt = startNumberString
-                  ? Number(reverseString(startNumberString)) - 1
-                  : 0;
+                const startAt = Number(startNumberString) - 1;
                 lineNumbersMaxDigits = startAt;
                 if (element.properties) {
                   element.properties.style = `counter-set: line ${startAt};`;

packages/core/vitest.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+  },
+});