Support linked editing ranges

src/index.ts

@@ -23,6 +23,7 @@ export { fromInlayHint, toInlayHint } from './inlayHint.js'
 export { fromInlayHintKind, toInlayHintKind } from './inlayHintKind.js'
 export { fromInlayHintLabelPart, toInlayHintLabelPart } from './inlayHintLabelPart.js'
 export { fromLink, toLink } from './link.js'
+export { fromLinkedEditingRanges, toLinkedEditingRanges } from './linkedEditingRanges.js'
 export { fromLocation, toLocation } from './location.js'
 export { fromLocationLink, toLocationLink } from './locationLink.js'
 export { fromMarkdownString, toMarkdownString } from './markdownString.js'

src/linkedEditingRanges.ts

@@ -0,0 +1,48 @@
+import type * as monaco from 'monaco-types'
+import type * as ls from 'vscode-languageserver-protocol'
+
+import { fromRange, toRange } from './range.js'
+
+/**
+ * Convert Monaco editor linked editing ranges to LSP linked editing ranges.
+ *
+ * @param linkedEditingRanges
+ *   The Monaco linked editing ranges to convert.
+ * @returns
+ *   The linked editing ranges as LSP linked editing ranges.
+ */
+export function fromLinkedEditingRanges(
+  linkedEditingRanges: monaco.languages.LinkedEditingRanges
+): ls.LinkedEditingRanges {
+  const result: ls.LinkedEditingRanges = {
+    ranges: linkedEditingRanges.ranges.map(fromRange)
+  }
+
+  if (linkedEditingRanges.wordPattern) {
+    result.wordPattern = linkedEditingRanges.wordPattern.source
+  }
+
+  return result
+}
+
+/**
+ * Convert LSP linked editing ranges to Monaco editor linked editing ranges.
+ *
+ * @param linkedEditingRanges
+ *   The LSP linked editing ranges to convert.
+ * @returns
+ *   The linked editing ranges Monaco editor linked editing ranges.
+ */
+export function toLinkedEditingRanges(
+  linkedEditingRanges: ls.LinkedEditingRanges
+): monaco.languages.LinkedEditingRanges {
+  const result: monaco.languages.LinkedEditingRanges = {
+    ranges: linkedEditingRanges.ranges.map(toRange)
+  }
+
+  if (linkedEditingRanges.wordPattern != null) {
+    result.wordPattern = new RegExp(linkedEditingRanges.wordPattern)
+  }
+
+  return result
+}

test/linkedEditingRanges.test.ts

@@ -0,0 +1,47 @@
+import { runTests } from './utils.js'
+import { fromLinkedEditingRanges, toLinkedEditingRanges } from '../src/index.js'
+
+runTests(fromLinkedEditingRanges, toLinkedEditingRanges)(
+  {
+    lsp: {
+      ranges: [
+        {
+          start: { line: 0, character: 10 },
+          end: { line: 2, character: 20 }
+        }
+      ]
+    },
+    monaco: {
+      ranges: [
+        {
+          startLineNumber: 1,
+          startColumn: 11,
+          endLineNumber: 3,
+          endColumn: 21
+        }
+      ]
+    }
+  },
+  {
+    lsp: {
+      ranges: [
+        {
+          start: { line: 0, character: 10 },
+          end: { line: 2, character: 20 }
+        }
+      ],
+      wordPattern: 'pattern'
+    },
+    monaco: {
+      ranges: [
+        {
+          startLineNumber: 1,
+          startColumn: 11,
+          endLineNumber: 3,
+          endColumn: 21
+        }
+      ],
+      wordPattern: /pattern/
+    }
+  }
+)