Method handlePartial

src/core/tools/EditFileTool.ts:487–525

(task: Task, block: ToolUse<"edit_file">)

	}

	override async handlePartial(task: Task, block: ToolUse<"edit_file">): Promise<void> {
		const filePath: string | undefined = block.params.file_path
		const oldString: string | undefined = block.params.old_string

		// Wait for path to stabilize before showing UI (prevents truncated paths)
		if (!this.hasPathStabilized(filePath)) {
			return
		}

		let operationPreview: string | undefined
		if (oldString !== undefined) {
			if (oldString === "") {
				operationPreview = "creating new file"
			} else {
				const preview = oldString.length > 50 ? oldString.substring(0, 50) + "..." : oldString
				operationPreview = `replacing: "${preview}"`
			}
		}

		// Determine relative path for display (filePath is guaranteed non-null after hasPathStabilized)
		let relPath = filePath!
		if (path.isAbsolute(relPath)) {
			relPath = path.relative(task.cwd, relPath)
		}
		this.didSendPartialToolAsk = true
		this.partialToolAskRelPath = relPath

		const absolutePath = path.resolve(task.cwd, relPath)
		const isOutsideWorkspace = isPathOutsideWorkspace(absolutePath)

		const sharedMessageProps: ClineSayTool = {
			tool: "appliedDiff",
			path: getReadablePath(task.cwd, relPath),
			diff: operationPreview,
			isOutsideWorkspace,
		}

		await task.ask("tool", JSON.stringify(sharedMessageProps), block.partial).catch(() => {})
	}
}

export const editFileTool = new EditFileTool()