Roo-Code/webview-ui/src/components/HistoryView.tsx

import { VSCodeButton } from "@vscode/webview-ui-toolkit/react"
import { vscode } from "../utils/vscode"
import { HistoryItem } from "../../../src/shared/HistoryItem"

type HistoryViewProps = {
	taskHistory: HistoryItem[]
	onDone: () => void
}

const HistoryView = ({ taskHistory, onDone }: HistoryViewProps) => {
	const handleHistorySelect = (id: string) => {
		vscode.postMessage({ type: "showTaskWithId", text: id })
	}

	const handleDeleteHistoryItem = (id: string) => {
		vscode.postMessage({ type: "deleteTaskWithId", text: id })
	}

	const handleExportMd = (id: string) => {
		vscode.postMessage({ type: "exportTaskWithId", text: id })
	}

	const formatDate = (timestamp: number) => {
		const date = new Date(timestamp)
		return date
			?.toLocaleString("en-US", {
				month: "long",
				day: "numeric",
				hour: "numeric",
				minute: "2-digit",
				hour12: true,
			})
			.replace(", ", " ")
			.replace(" at", ",")
			.toUpperCase()
	}

	return (
		<>
			<style>
				{`
					.history-item:hover {
						background-color: var(--vscode-list-hoverBackground);
					}
					.delete-button {
						opacity: 0;
						pointer-events: none;
					}
					.history-item:hover .delete-button {
						opacity: 1;
						pointer-events: auto;
					}
				`}
			</style>
			<div
				style={{
					position: "fixed",
					top: 0,
					left: 0,
					right: 0,
					bottom: 0,
					display: "flex",
					flexDirection: "column",
					overflow: "hidden",
				}}>
				<div
					style={{
						display: "flex",
						justifyContent: "space-between",
						alignItems: "center",
						padding: "10px 17px 10px 20px",
					}}>
					<h3 style={{ color: "var(--vscode-foreground)", margin: 0 }}>History</h3>
					<VSCodeButton onClick={onDone}>Done</VSCodeButton>
				</div>
				<div style={{ flexGrow: 1, overflowY: "auto", margin: 0 }}>
					{taskHistory.length === 0 && (
						<div
							style={{
								display: "flex",
								flexDirection: "column",
								justifyContent: "center",
								alignItems: "center",
								height: "100%",
								fontStyle: "italic",
								color: "var(--vscode-descriptionForeground)",
								textAlign: "center",
								padding: "0px 10px",
							}}>
							<span
								className="codicon codicon-archive"
								style={{ fontSize: "50px", marginBottom: "15px" }}></span>
							<div>
								No history found,
								<br />
								start a new task to see it here...
							</div>
						</div>
					)}

					{taskHistory
						.filter((item) => item.ts && item.task && item.totalCost)
						.map((item, index) => (
							<div
								key={item.id}
								className="history-item"
								style={{
									cursor: "pointer",
									borderBottom:
										index < taskHistory.length - 1
											? "1px solid var(--vscode-panel-border)"
											: "none",
								}}
								onClick={() => handleHistorySelect(item.id)}>
								<div
									style={{
										display: "flex",
										flexDirection: "column",
										gap: "8px",
										padding: "12px 20px",
										position: "relative",
									}}>
									<div
										style={{
											display: "flex",
											justifyContent: "space-between",
											alignItems: "center",
										}}>
										<span
											style={{
												color: "var(--vscode-descriptionForeground)",
												fontWeight: 500,
												fontSize: "0.85em",
												textTransform: "uppercase",
											}}>
											{formatDate(item.ts)}
										</span>
										<VSCodeButton
											appearance="icon"
											onClick={(e) => {
												e.stopPropagation()
												handleDeleteHistoryItem(item.id)
											}}
											className="delete-button">
											<span className="codicon codicon-trash"></span>
										</VSCodeButton>
									</div>
									<div
										style={{
											fontSize: "var(--vscode-font-size)",
											color: "var(--vscode-foreground)",
											display: "-webkit-box",
											WebkitLineClamp: 3,
											WebkitBoxOrient: "vertical",
											overflow: "hidden",
											whiteSpace: "pre-wrap",
											wordBreak: "break-word",
											overflowWrap: "anywhere",
										}}>
										{item.task}
									</div>
									<div style={{ display: "flex", flexDirection: "column", gap: "4px" }}>
										<div
											style={{
												display: "flex",
												alignItems: "center",
												gap: "4px",
												flexWrap: "wrap",
											}}>
											<span
												style={{
													fontWeight: 500,
													color: "var(--vscode-descriptionForeground)",
												}}>
												Tokens:
											</span>
											<span
												style={{
													display: "flex",
													alignItems: "center",
													gap: "3px",
													color: "var(--vscode-descriptionForeground)",
												}}>
												<i
													className="codicon codicon-arrow-up"
													style={{
														fontSize: "12px",
														fontWeight: "bold",
														marginBottom: "-2px",
													}}
												/>
												{item.tokensIn?.toLocaleString()}
											</span>
											<span
												style={{
													display: "flex",
													alignItems: "center",
													gap: "3px",
													color: "var(--vscode-descriptionForeground)",
												}}>
												<i
													className="codicon codicon-arrow-down"
													style={{
														fontSize: "12px",
														fontWeight: "bold",
														marginBottom: "-2px",
													}}
												/>
												{item.tokensOut?.toLocaleString()}
											</span>
										</div>
										{item.cacheWrites && item.cacheReads && (
											<div
												style={{
													display: "flex",
													alignItems: "center",
													gap: "4px",
													flexWrap: "wrap",
												}}>
												<span
													style={{
														fontWeight: 500,
														color: "var(--vscode-descriptionForeground)",
													}}>
													Cache:
												</span>
												<span
													style={{
														display: "flex",
														alignItems: "center",
														gap: "3px",
														color: "var(--vscode-descriptionForeground)",
													}}>
													<i
														className="codicon codicon-database"
														style={{
															fontSize: "12px",
															fontWeight: "bold",
															marginBottom: "-1px",
														}}
													/>
													+{item.cacheWrites?.toLocaleString()}
												</span>
												<span
													style={{
														display: "flex",
														alignItems: "center",
														gap: "3px",
														color: "var(--vscode-descriptionForeground)",
													}}>
													<i
														className="codicon codicon-arrow-right"
														style={{
															fontSize: "12px",
															fontWeight: "bold",
															marginBottom: 0,
														}}
													/>
													{item.cacheReads?.toLocaleString()}
												</span>
											</div>
										)}
										<div
											style={{
												display: "flex",
												justifyContent: "space-between",
												alignItems: "center",
												marginTop: -2,
											}}>
											<div style={{ display: "flex", alignItems: "center", gap: "4px" }}>
												<span
													style={{
														fontWeight: 500,
														color: "var(--vscode-descriptionForeground)",
													}}>
													API Cost:
												</span>
												<span style={{ color: "var(--vscode-descriptionForeground)" }}>
													${item.totalCost?.toFixed(4)}
												</span>
											</div>
											<VSCodeButton
												appearance="icon"
												onClick={(e) => {
													e.stopPropagation()
													handleExportMd(item.id)
												}}>
												<div style={{ fontSize: "11px", fontWeight: 500, opacity: 1 }}>
													EXPORT .MD
												</div>
											</VSCodeButton>
										</div>
									</div>
								</div>
							</div>
						))}
				</div>
			</div>
		</>
	)
}

export default HistoryView