feat: initial commit - GitHub Stars Manager

This commit is contained in:
EchoZenith
2026-04-27 23:58:12 +08:00
commit 9283271b48
20 changed files with 12781 additions and 0 deletions

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screens/RepoDetailScreen.js Normal file
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import { useState, useEffect, useRef } from 'react';
import {
View, Text, StyleSheet, TouchableOpacity, ScrollView,
ActivityIndicator, Image, Linking, Platform, BackHandler, InteractionManager, Dimensions
} from 'react-native';
import { StatusBar } from 'expo-status-bar';
import { Ionicons } from '@expo/vector-icons';
import Markdown from 'react-native-markdown-display';
import SyntaxHighlighter from 'react-native-syntax-highlighter';
import { vs2015 } from 'react-syntax-highlighter/styles/hljs';
import { fetchReadme, TokenExpiredError } from '../services/github';
import { getGitHubToken } from '../services/database';
const SCREEN_WIDTH = Dimensions.get('window').width;
// 检测是否为 SVG 图片链接React Native Image 组件不支持 SVG
function isSvgUrl(url) {
return /\.svg(\?|#|$)/i.test(url) || /\/svg(\?|#|$)/i.test(url);
}
// SVG 图片占位组件:点击后在系统浏览器中打开原始 SVG 文件
function SvgImage({ uri, alt }) {
return (
<TouchableOpacity
style={svgStyles.container}
onPress={() => Linking.openURL(uri)}
activeOpacity={0.7}
>
<View style={svgStyles.placeholder}>
<Ionicons name="image-outline" size={28} color="#999" />
<Text style={svgStyles.placeholderText} numberOfLines={1}>
{alt || 'SVG 图片'}
</Text>
<View style={svgStyles.badge}>
<Ionicons name="open-outline" size={12} color="#fff" />
<Text style={svgStyles.badgeText}>浏览器查看</Text>
</View>
</View>
</TouchableOpacity>
);
}
const svgStyles = StyleSheet.create({
container: {
width: '100%',
marginBottom: 12,
borderRadius: 8,
overflow: 'hidden',
borderWidth: 1,
borderColor: '#e1e4e8',
},
placeholder: {
height: 80,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#f6f8fa',
gap: 4,
},
placeholderText: {
fontSize: 13,
color: '#666',
},
badge: {
flexDirection: 'row',
alignItems: 'center',
backgroundColor: '#0366d6',
paddingHorizontal: 8,
paddingVertical: 3,
borderRadius: 10,
gap: 3,
},
badgeText: {
fontSize: 11,
color: '#fff',
},
});
// 根据图片设备像素自动计算合适的高度,避免固定宽高比导致 SVG 徽章变形
function ReadmeImage({ src, alt }) {
const [dimensions, setDimensions] = useState(null);
const isSvg = isSvgUrl(src);
if (isSvg) {
return <SvgImage uri={src} alt={alt} />;
}
return (
<Image
source={{ uri: src }}
style={[
readmeImageStyles.image,
dimensions
? { width: '100%', height: dimensions.height, aspectRatio: undefined }
: { width: '100%', height: 220 },
]}
resizeMode="contain"
onLoad={(e) => {
const { width, height } = e.nativeEvent.source;
if (width && height) {
const maxWidth = SCREEN_WIDTH - 56;
const ratio = Math.min(maxWidth / width, 1);
setDimensions({ width: maxWidth, height: height * ratio });
}
}}
/>
);
}
const readmeImageStyles = StyleSheet.create({
image: {
maxWidth: '100%',
borderRadius: 6,
marginBottom: 12,
},
});
function preprocessMarkdown(markdown, repoFullName, defaultBranch) {
if (!markdown) return markdown;
const [owner, repo] = repoFullName.split('/');
const branch = defaultBranch || 'main';
const rawBaseUrl = `https://raw.githubusercontent.com/${owner}/${repo}/${branch}`;
const githubBaseUrl = `https://github.com/${owner}/${repo}/blob/${branch}`;
let processed = markdown;
// Remove <picture> and <source> tags, keep their content
processed = processed.replace(/<picture[^>]*>/gi, '');
processed = processed.replace(/<\/picture>/gi, '');
processed = processed.replace(/<source[^>]*\/?>/gi, '');
// Convert <a><img>...</a> to markdown link-wrapped image first
processed = processed.replace(
/<a\s+[^>]*href=["']([^"']*)["'][^>]*>\s*(<img[^>]*>)\s*<\/a>/gi,
(match, href, imgTag) => {
const srcMatch = imgTag.match(/src\s*=\s*["']([^"']*)["']/i);
const altMatch = imgTag.match(/alt\s*=\s*["']([^"']*)["']/i);
const src = srcMatch ? srcMatch[1] : '';
const alt = altMatch ? altMatch[1] : 'image';
return `[![${alt}](${src})](${href})`;
}
);
// Convert remaining standalone HTML <img> tags to markdown image syntax
processed = processed.replace(
/<img\s+[^>]*src\s*=\s*["']([^"']*)["'][^>]*\/?>/gi,
(match, src) => {
const altMatch = match.match(/alt\s*=\s*["']([^"']*)["']/i);
const alt = altMatch ? altMatch[1] : 'image';
return `![${alt}](${src})`;
}
);
// Convert remaining HTML <a> tags to markdown link syntax
processed = processed.replace(
/<a\s+[^>]*href\s*=\s*["']([^"']*)["'][^>]*>([^<]*)<\/a>/gi,
(match, href, text) => `[${text.trim()}](${href})`
);
// Strip remaining HTML tags
processed = processed.replace(/<[^>]*>/g, '');
// Resolve relative URLs in markdown images (![alt](url)) and links ([text](url))
processed = processed.replace(
/(!)?\[([^\]]*)\]\(([^)]+)\)/g,
(match, isImage, text, url) => {
if (url.startsWith('http://') || url.startsWith('https://') || url.startsWith('mailto:')) {
return match;
}
const baseUrl = isImage ? rawBaseUrl : githubBaseUrl;
const cleanUrl = url.replace(/^(\.\/|\/)/, '');
const resolvedUrl = `${baseUrl}/${cleanUrl}`;
return `${isImage || ''}[${text}](${resolvedUrl})`;
}
);
return processed;
}
function detectLanguage(content) {
const firstLine = content.split('\n')[0].trim();
const knownLanguages = {
js: 'javascript', jsx: 'javascript', mjs: 'javascript',
ts: 'typescript', tsx: 'typescript',
py: 'python', rb: 'ruby', rs: 'rust', go: 'go',
java: 'java', kt: 'kotlin', swift: 'swift',
c: 'c', cpp: 'cpp', cs: 'csharp',
html: 'xml', htm: 'xml', xml: 'xml',
css: 'css', scss: 'css', less: 'css',
sh: 'bash', bash: 'bash', zsh: 'bash', powershell: 'powershell',
json: 'json', yml: 'yaml', yaml: 'yaml',
sql: 'sql', php: 'php', r: 'r', dart: 'dart',
diff: 'diff', dockerfile: 'dockerfile', graphql: 'graphql',
};
const ext = firstLine.replace('```', '').toLowerCase();
return knownLanguages[ext] || ext || 'bash';
}
const markdownStyles = {
body: {
color: '#24292e',
fontSize: 15,
lineHeight: 24,
padding: 16,
},
heading1: {
fontSize: 22,
fontWeight: '700',
marginTop: 20,
marginBottom: 10,
paddingBottom: 8,
borderBottomWidth: 1,
borderBottomColor: '#e1e4e8',
},
heading2: {
fontSize: 18,
fontWeight: '600',
marginTop: 18,
marginBottom: 8,
paddingBottom: 6,
borderBottomWidth: 1,
borderBottomColor: '#e1e4e8',
},
heading3: {
fontSize: 16,
fontWeight: '600',
marginTop: 16,
marginBottom: 6,
},
heading4: {
fontSize: 15,
fontWeight: '600',
marginTop: 14,
marginBottom: 4,
},
paragraph: {
marginBottom: 12,
},
list_item: {
marginBottom: 4,
},
bullet_list: {
paddingLeft: 24,
marginBottom: 12,
},
ordered_list: {
paddingLeft: 24,
marginBottom: 12,
},
code_inline: {
backgroundColor: 'rgba(27,31,35,0.05)',
paddingHorizontal: 5,
paddingVertical: 2,
borderRadius: 3,
fontFamily: Platform.OS === 'ios' ? 'Menlo' : 'monospace',
fontSize: 13,
color: '#d73a4a',
},
code_block: {
backgroundColor: '#f6f8fa',
padding: 12,
borderRadius: 6,
marginBottom: 12,
fontFamily: Platform.OS === 'ios' ? 'Menlo' : 'monospace',
fontSize: 13,
},
fence: {
backgroundColor: '#f6f8fa',
padding: 12,
borderRadius: 6,
marginBottom: 12,
fontFamily: Platform.OS === 'ios' ? 'Menlo' : 'monospace',
fontSize: 13,
},
blockquote: {
paddingLeft: 12,
color: '#6a737d',
borderLeftWidth: 4,
borderLeftColor: '#dfe2e5',
marginBottom: 12,
},
link: {
color: '#0366d6',
textDecorationLine: 'underline',
},
table: {
borderWidth: 1,
borderColor: '#dfe2e5',
borderRadius: 4,
marginBottom: 12,
},
thead: {
backgroundColor: '#f6f8fa',
},
th: {
padding: 6,
borderWidth: 1,
borderColor: '#dfe2e5',
fontWeight: '600',
},
td: {
padding: 6,
borderWidth: 1,
borderColor: '#dfe2e5',
},
hr: {
backgroundColor: '#e1e4e8',
height: 1,
marginVertical: 20,
},
image: {
maxWidth: '100%',
height: undefined,
borderRadius: 6,
marginBottom: 12,
},
};
// 重写 react-native-markdown-display 的默认渲染规则
const renderRules = {
// 自定义图片渲染:支持 SVG 占位,普通图片自动计算尺寸
image: (node, children, parent, styles) => {
const { src, alt } = node.attributes;
return (
<ReadmeImage
key={node.key}
src={src}
alt={alt}
/>
);
},
link: (node, children, parent, styles) => {
const { href } = node.attributes;
const childrenArr = Array.isArray(children) ? children : [children];
const hasOnlyText = childrenArr.every(
child => typeof child === 'string' || typeof child === 'number' || child === null
);
if (hasOnlyText) {
return (
<TouchableOpacity key={node.key} onPress={() => Linking.openURL(href)}>
<Text style={styles.link}>{children}</Text>
</TouchableOpacity>
);
}
return (
<TouchableOpacity key={node.key} onPress={() => Linking.openURL(href)}>
{children}
</TouchableOpacity>
);
},
fence: (node, children, parent, styles) => {
const lang = node.sourceInfo ? node.sourceInfo.split(/\s+/)[0] : '';
const code = node.content;
const language = detectLanguage(lang || code);
return (
<View key={node.key} style={codeBlockStyles.wrapper}>
{lang ? (
<View style={codeBlockStyles.langBar}>
<Text style={codeBlockStyles.langText}>{lang}</Text>
</View>
) : null}
<SyntaxHighlighter
highlighter="highlightjs"
style={vs2015}
PreTag={ScrollView}
CodeTag={ScrollView}
fontFamily={Platform.OS === 'ios' ? 'Menlo' : 'monospace'}
fontSize={12}
customStyle={{
padding: 12,
margin: 0,
borderBottomLeftRadius: 8,
borderBottomRightRadius: 8,
}}
>
{code}
</SyntaxHighlighter>
</View>
);
},
};
const codeBlockStyles = StyleSheet.create({
wrapper: {
marginHorizontal: 12,
marginBottom: 12,
borderRadius: 8,
overflow: 'hidden',
},
langBar: {
backgroundColor: '#2d2d2d',
paddingHorizontal: 12,
paddingVertical: 4,
borderTopLeftRadius: 8,
borderTopRightRadius: 8,
},
langText: {
color: '#999',
fontSize: 11,
fontFamily: Platform.OS === 'ios' ? 'Menlo' : 'monospace',
},
});
export default function RepoDetailScreen({ repo, onGoBack }) {
const [readme, setReadme] = useState(null);
const [loading, setLoading] = useState(true);
const [error, setError] = useState(null);
const goBackRef = useRef(onGoBack);
goBackRef.current = onGoBack;
useEffect(() => {
const onBackPress = () => {
goBackRef.current();
return true;
};
const subscription = BackHandler.addEventListener('hardwareBackPress', onBackPress);
return () => subscription.remove();
}, []);
useEffect(() => {
InteractionManager.runAfterInteractions(() => {
loadReadme();
});
}, []);
const loadReadme = async () => {
try {
const token = await getGitHubToken();
const markdown = await fetchReadme(token, repo.full_name);
const cleaned = markdown ? preprocessMarkdown(markdown, repo.full_name, repo.default_branch) : null;
setReadme(cleaned);
} catch (e) {
if (e instanceof TokenExpiredError) {
setError('Token 已过期,请返回设置页面重新输入');
} else {
setError(e.message || '加载 README 失败');
}
} finally {
setLoading(false);
}
};
const openInBrowser = () => {
if (repo.html_url) {
Linking.openURL(repo.html_url);
}
};
return (
<View style={styles.container}>
<StatusBar style="dark" />
<View style={styles.header}>
<TouchableOpacity style={styles.headerBtn} onPress={onGoBack}>
<Ionicons name="arrow-back" size={24} color="#333" />
</TouchableOpacity>
<Text style={styles.headerTitle} numberOfLines={1}>
{repo.full_name}
</Text>
<TouchableOpacity style={styles.headerBtn} onPress={openInBrowser}>
<Ionicons name="open-outline" size={22} color="#0366d6" />
</TouchableOpacity>
</View>
<View style={styles.infoCard}>
<View style={styles.infoRow}>
{repo.owner_avatar_url ? (
<Image
source={{ uri: repo.owner_avatar_url }}
style={styles.ownerAvatar}
/>
) : null}
<View style={styles.infoText}>
<Text style={styles.repoName}>{repo.full_name}</Text>
<Text style={styles.repoDesc} numberOfLines={3}>
{repo.description || '暂无描述'}
</Text>
</View>
</View>
<View style={styles.statsRow}>
<View style={styles.statItem}>
<Text style={styles.statValue}>{repo.stargazers_count}</Text>
<Text style={styles.statLabel}>Stars</Text>
</View>
<View style={styles.statItem}>
<Text style={styles.statValue}>{repo.forks_count}</Text>
<Text style={styles.statLabel}>Forks</Text>
</View>
{repo.language ? (
<View style={styles.statItem}>
<Text style={styles.statValue}>{repo.language}</Text>
<Text style={styles.statLabel}>Language</Text>
</View>
) : null}
<View style={styles.statItem}>
<Text style={styles.statValue}>{repo.owner_login}</Text>
<Text style={styles.statLabel}>Owner</Text>
</View>
</View>
</View>
<View style={styles.readmeHeader}>
<Ionicons name="book" size={16} color="#555" />
<Text style={styles.readmeTitle}>README.md</Text>
</View>
{loading ? (
<View style={styles.loadingContainer}>
<ActivityIndicator size="large" color="#0366d6" />
<Text style={styles.loadingText}>正在加载 README...</Text>
</View>
) : error ? (
<View style={styles.loadingContainer}>
<Ionicons name="alert-circle-outline" size={36} color="#d73a4a" />
<Text style={styles.errorText}>{error}</Text>
</View>
) : readme === null ? (
<View style={styles.loadingContainer}>
<Ionicons name="document-text-outline" size={36} color="#ccc" />
<Text style={styles.emptyText}>该仓库没有 README 文件</Text>
</View>
) : (
<ScrollView style={styles.markdownScroll}>
<Markdown style={markdownStyles} rules={renderRules}>
{readme}
</Markdown>
</ScrollView>
)}
</View>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#f5f5f5',
},
header: {
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'space-between',
backgroundColor: '#fff',
paddingTop: Platform.OS === 'ios' ? 50 : 40,
paddingBottom: 10,
paddingHorizontal: 8,
borderBottomWidth: 1,
borderBottomColor: '#e8e8e8',
},
headerBtn: {
width: 40,
height: 40,
justifyContent: 'center',
alignItems: 'center',
},
headerTitle: {
flex: 1,
fontSize: 16,
fontWeight: '600',
color: '#1a1a1a',
textAlign: 'center',
},
infoCard: {
backgroundColor: '#fff',
margin: 12,
marginBottom: 0,
borderRadius: 12,
padding: 16,
elevation: 2,
shadowColor: '#000',
shadowOffset: { width: 0, height: 1 },
shadowOpacity: 0.1,
shadowRadius: 3,
},
infoRow: {
flexDirection: 'row',
alignItems: 'center',
},
ownerAvatar: {
width: 44,
height: 44,
borderRadius: 22,
marginRight: 12,
},
infoText: {
flex: 1,
},
repoName: {
fontSize: 16,
fontWeight: '600',
color: '#0366d6',
marginBottom: 4,
},
repoDesc: {
fontSize: 13,
color: '#666',
lineHeight: 18,
},
statsRow: {
flexDirection: 'row',
marginTop: 14,
paddingTop: 12,
borderTopWidth: 1,
borderTopColor: '#f0f0f0',
justifyContent: 'space-around',
},
statItem: {
alignItems: 'center',
},
statValue: {
fontSize: 14,
fontWeight: '600',
color: '#333',
},
statLabel: {
fontSize: 11,
color: '#999',
marginTop: 2,
},
readmeHeader: {
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: 16,
paddingVertical: 8,
gap: 6,
},
readmeTitle: {
fontSize: 14,
fontWeight: '600',
color: '#555',
},
loadingContainer: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
padding: 20,
},
loadingText: {
marginTop: 10,
color: '#888',
fontSize: 14,
},
errorText: {
marginTop: 10,
color: '#d73a4a',
fontSize: 14,
textAlign: 'center',
},
emptyText: {
marginTop: 10,
color: '#999',
fontSize: 14,
},
markdownScroll: {
flex: 1,
backgroundColor: '#fff',
marginHorizontal: 12,
marginBottom: 12,
borderRadius: 12,
},
});