Files
paseo/packages/app/src/components/git-diff-pane.tsx
T
Mohamed BoudraandClaude Opus 4.5 0d9a69d00f fix: branch reset on workdir change and Codex MCP server config merge
- Reset git branch to current when user changes working directory in create-agent modal
- Fix Codex MCP servers not being passed from extra.codex.mcp_servers config
- Remove macbook host from default daemons
- Update test expectations and structure

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-07 14:42:16 +07:00

429 lines
12 KiB
TypeScript

import { useState, useCallback, useEffect, useId } from "react";
import {
View,
Text,
ActivityIndicator,
Pressable,
RefreshControl,
type NativeSyntheticEvent,
type NativeScrollEvent,
} from "react-native";
import { ScrollView } from "react-native-gesture-handler";
import { StyleSheet, useUnistyles } from "react-native-unistyles";
import { ChevronRight } from "lucide-react-native";
import { useSessionStore } from "@/stores/session-store";
import {
useHighlightedDiffQuery,
type ParsedDiffFile,
type DiffLine,
type HighlightToken,
} from "@/hooks/use-highlighted-diff-query";
import { useHorizontalScrollOptional } from "@/contexts/horizontal-scroll-context";
type HighlightStyle = NonNullable<HighlightToken["style"]>;
interface HighlightedTextProps {
tokens: HighlightToken[];
baseStyle: HighlightStyle | null;
lineType: "add" | "remove" | "context" | "header";
}
function HighlightedText({ tokens, lineType }: HighlightedTextProps) {
const { theme } = useUnistyles();
// Get color for a highlight style using GitHub Dark theme
// Text colors are the same regardless of line type - only background changes
const getTokenColor = (style: HighlightStyle | null): string => {
const baseColor = "#c9d1d9"; // GitHub foreground
if (!style) return baseColor;
// GitHub Dark theme colors
const highlightColors: Record<HighlightStyle, string> = {
keyword: "#ff7b72", // red
comment: "#8b949e", // gray
string: "#a5d6ff", // light blue
number: "#79c0ff", // blue
literal: "#79c0ff", // blue
function: "#d2a8ff", // purple
definition: "#d2a8ff", // purple
class: "#ffa657", // orange
type: "#ff7b72", // red (same as keyword in GitHub)
tag: "#7ee787", // green
attribute: "#79c0ff", // blue
property: "#79c0ff", // blue
variable: baseColor,
operator: "#79c0ff", // blue
punctuation: "#c9d1d9", // foreground
regexp: "#a5d6ff", // light blue
escape: "#79c0ff", // blue
meta: "#8b949e", // gray
heading: "#79c0ff", // blue
link: "#a5d6ff", // light blue
};
return highlightColors[style] ?? baseColor;
};
return (
<Text style={styles.diffLineText}>
{tokens.map((token, index) => (
<Text key={index} style={{ color: getTokenColor(token.style) }}>
{token.text}
</Text>
))}
</Text>
);
}
interface DiffFileSectionProps {
file: ParsedDiffFile;
defaultExpanded?: boolean;
testID?: string;
}
function DiffLineView({ line }: { line: DiffLine }) {
return (
<View
style={[
styles.diffLineContainer,
line.type === "add" && styles.addLineContainer,
line.type === "remove" && styles.removeLineContainer,
line.type === "header" && styles.headerLineContainer,
line.type === "context" && styles.contextLineContainer,
]}
>
{line.tokens && line.type !== "header" ? (
<HighlightedText
tokens={line.tokens}
baseStyle={null}
lineType={line.type}
/>
) : (
<Text
style={[
styles.diffLineText,
line.type === "add" && styles.addLineText,
line.type === "remove" && styles.removeLineText,
line.type === "header" && styles.headerLineText,
line.type === "context" && styles.contextLineText,
]}
>
{line.content || " "}
</Text>
)}
</View>
);
}
function DiffFileSection({ file, defaultExpanded = true, testID }: DiffFileSectionProps) {
const { theme } = useUnistyles();
const [isExpanded, setIsExpanded] = useState(defaultExpanded);
const [scrollViewWidth, setScrollViewWidth] = useState(0);
const horizontalScroll = useHorizontalScrollOptional();
const scrollId = useId();
const toggleExpanded = useCallback(() => {
setIsExpanded((prev) => !prev);
}, []);
// Register/unregister scroll offset tracking
useEffect(() => {
if (!horizontalScroll || !isExpanded) return;
// Start at 0 (not scrolled)
horizontalScroll.registerScrollOffset(scrollId, 0);
return () => {
horizontalScroll.unregisterScrollOffset(scrollId);
};
}, [horizontalScroll, isExpanded, scrollId]);
const handleScroll = useCallback(
(event: NativeSyntheticEvent<NativeScrollEvent>) => {
if (!horizontalScroll) return;
const offsetX = event.nativeEvent.contentOffset.x;
horizontalScroll.registerScrollOffset(scrollId, offsetX);
},
[horizontalScroll, scrollId]
);
return (
<View style={styles.fileSection} testID={testID}>
<Pressable
style={({ pressed }) => [
styles.fileHeader,
pressed && styles.fileHeaderPressed,
]}
onPress={toggleExpanded}
>
<View style={styles.fileHeaderLeft}>
<View
style={[
styles.chevronContainer,
isExpanded && styles.chevronExpanded,
]}
>
<ChevronRight
size={16}
color={theme.colors.mutedForeground}
/>
</View>
<Text style={styles.filePath} numberOfLines={1} ellipsizeMode="middle">
{file.path}
</Text>
{file.isNew && (
<View style={styles.newBadge}>
<Text style={styles.newBadgeText}>New</Text>
</View>
)}
</View>
<View style={styles.fileHeaderRight}>
<Text style={styles.additions}>+{file.additions}</Text>
<Text style={styles.deletions}>-{file.deletions}</Text>
</View>
</Pressable>
{isExpanded && (
<ScrollView
horizontal
nestedScrollEnabled
showsHorizontalScrollIndicator
bounces={false}
style={styles.diffContent}
contentContainerStyle={styles.diffContentInner}
onScroll={handleScroll}
scrollEventThrottle={16}
onLayout={(e) => setScrollViewWidth(e.nativeEvent.layout.width)}
>
<View style={[styles.linesContainer, scrollViewWidth > 0 && { minWidth: scrollViewWidth }]}>
{file.hunks.map((hunk, hunkIndex) =>
hunk.lines.map((line, lineIndex) => (
<DiffLineView key={`${hunkIndex}-${lineIndex}`} line={line} />
))
)}
</View>
</ScrollView>
)}
</View>
);
}
interface GitDiffPaneProps {
serverId: string;
agentId: string;
}
export function GitDiffPane({ serverId, agentId }: GitDiffPaneProps) {
const { theme } = useUnistyles();
const { files, isLoading, isFetching, isError, error, refresh } = useHighlightedDiffQuery({
serverId,
agentId,
});
const agent = useSessionStore((state) =>
state.sessions[serverId]?.agents?.get(agentId)
);
if (!agent) {
return (
<View style={styles.errorContainer}>
<Text style={styles.errorText}>Agent not found</Text>
</View>
);
}
const hasChanges = files.length > 0;
const errorMessage = isError && error instanceof Error ? error.message : null;
return (
<ScrollView
style={styles.scrollView}
testID="git-diff-scroll"
refreshControl={
<RefreshControl
refreshing={isFetching && !isLoading}
onRefresh={refresh}
tintColor={theme.colors.mutedForeground}
colors={[theme.colors.primary]}
/>
}
>
<View style={styles.contentContainer} testID="git-diff-content">
{isLoading ? (
<View style={styles.loadingContainer}>
<ActivityIndicator size="large" />
<Text style={styles.loadingText}>Loading changes...</Text>
</View>
) : isError ? (
<View style={styles.errorContainer}>
<Text style={styles.errorText}>{errorMessage ?? "Failed to load changes"}</Text>
</View>
) : !hasChanges ? (
<View style={styles.emptyContainer}>
<Text style={styles.emptyText}>No changes</Text>
</View>
) : (
files.map((file, fileIndex) => (
<DiffFileSection key={fileIndex} file={file} testID={`diff-file-${fileIndex}`} />
))
)}
</View>
</ScrollView>
);
}
const styles = StyleSheet.create((theme) => ({
scrollView: {
flex: 1,
},
contentContainer: {
paddingHorizontal: theme.spacing[2],
paddingTop: theme.spacing[3],
paddingBottom: theme.spacing[8],
},
loadingContainer: {
flex: 1,
alignItems: "center",
justifyContent: "center",
paddingTop: theme.spacing[16],
gap: theme.spacing[4],
},
loadingText: {
fontSize: theme.fontSize.base,
color: theme.colors.mutedForeground,
},
errorContainer: {
flex: 1,
alignItems: "center",
justifyContent: "center",
paddingTop: theme.spacing[16],
paddingHorizontal: theme.spacing[6],
},
errorText: {
fontSize: theme.fontSize.base,
color: theme.colors.destructive,
textAlign: "center",
},
emptyContainer: {
flex: 1,
alignItems: "center",
justifyContent: "center",
paddingTop: theme.spacing[16],
},
emptyText: {
fontSize: theme.fontSize.lg,
color: theme.colors.mutedForeground,
},
fileSection: {
borderRadius: theme.borderRadius.lg,
overflow: "hidden",
backgroundColor: theme.colors.muted,
borderWidth: theme.borderWidth[1],
borderColor: theme.colors.accentBorder,
marginBottom: theme.spacing[2],
},
fileHeader: {
flexDirection: "row",
alignItems: "center",
justifyContent: "space-between",
padding: theme.spacing[2],
paddingVertical: theme.spacing[2],
gap: theme.spacing[2],
},
fileHeaderPressed: {
opacity: 0.7,
},
fileHeaderLeft: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[2],
flex: 1,
minWidth: 0,
},
fileHeaderRight: {
flexDirection: "row",
alignItems: "center",
gap: theme.spacing[2],
flexShrink: 0,
},
chevronContainer: {
transform: [{ rotate: "0deg" }],
},
chevronExpanded: {
transform: [{ rotate: "90deg" }],
},
filePath: {
fontSize: theme.fontSize.sm,
fontWeight: theme.fontWeight.normal,
color: theme.colors.foreground,
fontFamily: "monospace",
flex: 1,
},
newBadge: {
backgroundColor: "rgba(46, 160, 67, 0.2)",
paddingHorizontal: theme.spacing[2],
paddingVertical: theme.spacing[1],
borderRadius: theme.borderRadius.md,
flexShrink: 0,
},
newBadgeText: {
fontSize: theme.fontSize.xs,
fontWeight: theme.fontWeight.normal,
color: theme.colors.palette.green[400],
},
additions: {
fontSize: theme.fontSize.sm,
fontWeight: theme.fontWeight.normal,
color: theme.colors.palette.green[400],
fontFamily: "monospace",
},
deletions: {
fontSize: theme.fontSize.sm,
fontWeight: theme.fontWeight.normal,
color: theme.colors.palette.red[500],
fontFamily: "monospace",
},
diffContent: {
borderTopWidth: theme.borderWidth[1],
borderTopColor: theme.colors.border,
backgroundColor: "#0d1117",
},
diffContentInner: {
flexDirection: "column",
},
linesContainer: {
backgroundColor: "#0d1117",
},
diffLineContainer: {
paddingHorizontal: theme.spacing[3],
paddingVertical: theme.spacing[1],
},
diffLineText: {
fontSize: theme.fontSize.xs,
fontFamily: "monospace",
color: theme.colors.foreground,
},
addLineContainer: {
backgroundColor: "rgba(46, 160, 67, 0.15)", // GitHub green
},
addLineText: {
color: "#c9d1d9", // Same text color as all code
},
removeLineContainer: {
backgroundColor: "rgba(248, 81, 73, 0.1)", // GitHub red
},
removeLineText: {
color: "#c9d1d9", // Same text color as all code
},
headerLineContainer: {
backgroundColor: theme.colors.muted,
},
headerLineText: {
color: theme.colors.mutedForeground,
},
contextLineContainer: {
backgroundColor: "#0d1117",
},
contextLineText: {
color: theme.colors.mutedForeground,
},
}));