feat: inline code placeholders

Author: maxprilutskiy

.changeset/fluffy-ties-push.md

@@ -0,0 +1,5 @@
+---
+"lingo.dev": patch
+---
+
+inline code placeholders

packages/cli/src/cli/loaders/mdx2/code-placeholder.spec.ts

@@ -276,4 +276,36 @@ describe("MDX Code Placeholder Loader", () => {
       expect(pushed).toBe(md);
     });
   });
+
+  describe("inline code placeholder", () => {
+    it("should replace inline code with placeholder on pull", async () => {
+      const md = "This is some `inline()` code.";
+      const pulled = await loader.pull("en", md);
+      const hash = md5("`inline()`");
+      const expected = `This is some ---INLINE_CODE_PLACEHOLDER_${hash}--- code.`;
+      expect(pulled).toBe(expected);
+    });
+
+    it("should restore inline code from placeholder on push", async () => {
+      const md = "Some `code` here.";
+      const pulled = await loader.pull("en", md);
+      const translated = pulled.replace("Some", "Algún");
+      const pushed = await loader.push("es", translated);
+      expect(pushed).toBe("Algún `code` here.");
+    });
+
+    it("round-trips multiple inline code snippets", async () => {
+      const md = "Use `a` and `b` and `c`.";
+      const pulled = await loader.pull("en", md);
+      const pushed = await loader.push("es", pulled);
+      expect(pushed).toBe(md);
+    });
+
+    it("handles identical inline snippets correctly", async () => {
+      const md = "Repeat `x` and `x` again.";
+      const pulled = await loader.pull("en", md);
+      const pushed = await loader.push("es", pulled);
+      expect(pushed).toBe(md);
+    });
+  });
 });

packages/cli/src/cli/loaders/mdx2/code-placeholder.ts

@@ -4,6 +4,7 @@ import { md5 } from "../../utils/md5";
 import _ from "lodash";
 
 const fenceRegex = /([ \t]*)(^>\s*)?```([\s\S]*?)```/gm;
+const inlineCodeRegex = /(?<!`)`([^`\r\n]+?)`(?!`)/g;
 
 function ensureTrailingFenceNewline(_content: string) {
   let found = false;
@@ -49,7 +50,6 @@ function extractCodePlaceholders(content: string): {
   const codePlaceholders: Record<string, string> = {};
 
   const codeBlockMatches = finalContent.matchAll(fenceRegex);
-
   for (const match of codeBlockMatches) {
     const codeBlock = match[0];
     const codeBlockHash = md5(codeBlock);
@@ -63,6 +63,18 @@ function extractCodePlaceholders(content: string): {
     finalContent = finalContent.replace(codeBlock, replacement);
   }
 
+  const inlineCodeMatches = finalContent.matchAll(inlineCodeRegex);
+  for (const match of inlineCodeMatches) {
+    const inlineCode = match[0];
+    const inlineCodeHash = md5(inlineCode);
+    const placeholder = `---INLINE_CODE_PLACEHOLDER_${inlineCodeHash}---`;
+
+    codePlaceholders[placeholder] = inlineCode;
+
+    const replacement = placeholder;
+    finalContent = finalContent.replace(inlineCode, replacement);
+  }
+
   return {
     content: finalContent,
     codePlaceholders,