feat: implement go-to view definition

packages/language-server/go-to-definitions/go-to-view.js

@@ -0,0 +1,84 @@
+const lsp = require('vscode-languageserver/node')
+const path = require('path')
+const fs = require('fs').promises
+const url = require('url')
+
+module.exports = async function goToView(document, position) {
+ const viewInfo = extractViewInfo(document, position)
+
+ if (!viewInfo) {
+ return null
+ }
+
+ const projectRoot = await findProjectRoot(document.uri)
+
+ const fullViewPath = resolveViewPath(projectRoot, viewInfo.view)
+
+ try {
+ await fs.access(fullViewPath)
+ return lsp.Location.create(fullViewPath, lsp.Range.create(0, 0, 0, 0))
+ } catch (error) {
+ return null
+ }
+}
+
+function resolveViewPath(projectRoot, viewPath) {
+ return path.join(projectRoot, 'views', `${viewPath}.ejs`)
+}
+
+function extractViewInfo(document, position) {
+ const text = document.getText()
+ const offset = document.offsetAt(position)
+
+ // This regex matches both object notation for views and viewTemplatePath
+ const regex =
+ /(?:(['"])(.+?)\1\s*:\s*{\s*view\s*:\s*(['"])(.+?)\3\s*}|viewTemplatePath\s*:\s*(['"])(.+?)\5)/g
+ let match
+
+ while ((match = regex.exec(text)) !== null) {
+ const [fullMatch, , , , viewInObject, , viewInController] = match
+ const view = viewInObject || viewInController
+ const start = match.index
+ const end = start + fullMatch.length
+
+ // Check if the cursor is anywhere within the entire match
+ if (start <= offset && offset <= end) {
+ // Find the start and end positions of the view part, including quotes
+ const viewStartWithQuote = text.lastIndexOf(
+ "'",
+ text.indexOf(view, start)
+ ) // Find the opening quote
+ const viewEndWithQuote =
+ text.indexOf("'", text.indexOf(view, start) + view.length) + 1 // Find the closing quote and include it
+
+ return {
+ view,
+ range: lsp.Range.create(
+ document.positionAt(viewStartWithQuote),
+ document.positionAt(viewEndWithQuote)
+ )
+ }
+ }
+ }
+
+ return null
+}
+
+function resolveViewPath(projectRoot, viewPath) {
+ return path.join(projectRoot, 'views', `${viewPath}.ejs`)
+}
+
+async function findProjectRoot(uri) {
+ let currentPath = path.dirname(url.fileURLToPath(uri))
+ const root = path.parse(currentPath).root
+
+ while (currentPath !== root) {
+ try {
+ await fs.access(path.join(currentPath, 'package.json'))
+ return currentPath
+ } catch (error) {
+ currentPath = path.dirname(currentPath)
+ }
+ }
+ throw new Error('Could not find project root')
+}

packages/language-server/index.js

@@ -3,6 +3,7 @@ const TextDocument = require('vscode-languageserver-textdocument').TextDocument
 const validateDocument = require('./validators/validate-document')
 const goToAction = require('./go-to-definitions/go-to-action')
 const goToPolicy = require('./go-to-definitions/go-to-policy')
+const goToView = require('./go-to-definitions/go-to-view')
 
 const connection = lsp.createConnection(lsp.ProposedFeatures.all)
 const documents = new lsp.TextDocuments(TextDocument)
@@ -36,11 +37,20 @@ connection.onDefinition(async (params) => {
 
  const actionDefinition = await goToAction(document, params.position)
  const policyDefinition = await goToPolicy(document, params.position)
+ const viewDefinition = await goToView(document, params.position)
 
- const definitions = [actionDefinition, policyDefinition].filter(Boolean)
+ const definitions = [
+ actionDefinition,
+ policyDefinition,
+ viewDefinition
+ ].filter(Boolean)
 
  return definitions.length > 0 ? definitions : null
 })
 
 documents.listen(connection)
 connection.listen()
+
+connection.console.log = (message) => {
+ console.log(message)
+}