feat(language-server): extract find-fn-line from go-to-action

packages/language-server/helpers/find-fn-line.js

@@ -0,0 +1,21 @@
+const fs = require('fs').promises
+const url = require('url')
+
+module.exports = async function findFnLine(filePath) {
+ try {
+ const resolvedPath = filePath.startsWith('file:')
+ ? url.fileURLToPath(filePath)
+ : filePath
+
+ const content = await fs.readFile(resolvedPath, 'utf8')
+ const lines = content.split('\n')
+ for (let i = 0; i < lines.length; i++) {
+ if (lines[i].includes('fn:')) {
+ return i // Return the line number (0-based index)
+ }
+ }
+ return 0 // If 'fn:' is not found, return the first line
+ } catch (error) {
+ return 0 // Return the first line if there's an error
+ }
+}