Method applyEdit

packages/vscode-shim/src/api/WorkspaceAPI.ts:200–302

(edit: WorkspaceEdit)

	}

	async applyEdit(edit: WorkspaceEdit): Promise<boolean> {
		// In CLI mode, we need to apply the edits to the actual files
		try {
			for (const [uri, edits] of edit.entries()) {
				let filePath = uri.fsPath

				// On Windows, strip leading slash if present (e.g., /C:/path becomes C:/path)
				if (process.platform === "win32" && filePath.startsWith("/")) {
					filePath = filePath.slice(1)
				}

				let content = ""

				// Read existing content if file exists
				try {
					content = fs.readFileSync(filePath, "utf-8")
				} catch {
					// File doesn't exist, start with empty content
				}

				// Apply edits in reverse order to maintain correct positions
				const sortedEdits = edits.sort((a, b) => {
					const lineDiff = b.range.start.line - a.range.start.line
					if (lineDiff !== 0) return lineDiff
					return b.range.start.character - a.range.start.character
				})

				const lines = content.split("\n")
				for (const textEdit of sortedEdits) {
					const startLine = textEdit.range.start.line
					const startChar = textEdit.range.start.character
					const endLine = textEdit.range.end.line
					const endChar = textEdit.range.end.character

					if (startLine === endLine) {
						// Single line edit
						const line = lines[startLine] || ""
						lines[startLine] = line.substring(0, startChar) + textEdit.newText + line.substring(endChar)
					} else {
						// Multi-line edit
						const firstLine = lines[startLine] || ""
						const lastLine = lines[endLine] || ""
						const newContent =
							firstLine.substring(0, startChar) + textEdit.newText + lastLine.substring(endChar)
						lines.splice(startLine, endLine - startLine + 1, newContent)
					}
				}

				// Write back to file
				const newContent = lines.join("\n")
				fs.writeFileSync(filePath, newContent, "utf-8")

				// Update the in-memory document object to reflect the new content
				// This is critical for CLI mode where DiffViewProvider reads from the document object
				const document = this.textDocuments.find((doc: TextDocument) => doc.uri.fsPath === filePath)
				if (document) {
					const newLines = newContent.split("\n")