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| The phone app: Chat in full with phone notifications, plus Code and Customize (#4) | 1 | import { type Block, type Span, blocks } from "@g1t/contracts/chat-markdown"; |
| 2 | import { router } from "expo-router"; | |
| 3 | import * as WebBrowser from "expo-web-browser"; | |
| 4 | import { Fragment, useMemo } from "react"; | |
| 5 | import { ScrollView, StyleSheet, Text, View } from "react-native"; | |
| 6 | ||
| 7 | import { routeFor } from "@/lib/links"; | |
| 8 | import { siteUrl } from "@/lib/server"; | |
| 9 | import { useSignedIn } from "@/lib/session"; | |
| 10 | import { fonts, radius, space, useColors } from "@/theme"; | |
| 11 | ||
| 12 | /** | |
| 13 | * A message's Markdown, as the site draws it (components/chat/text.tsx), | |
| 14 | * from the same parser (@g1t/contracts/chat-markdown): nothing in a | |
| 15 | * message is HTML, links go only to the web, mail or a page on g1t, and | |
| 16 | * `@mentions`, `#channels` and `#123` references stand out. A link to a | |
| 17 | * page the app has opens there; any other opens in the browser. | |
| 18 | */ | |
| 19 | export function Markdown({ text, muted }: { text: string; muted?: boolean }) { | |
| 20 | const parsed = useMemo(() => blocks(text), [text]); | |
| 21 | return ( | |
| 22 | <View style={{ gap: space.xs }}> | |
| 23 | {parsed.map((block, index) => ( | |
| 24 | <BlockView key={index} block={block} muted={muted} /> | |
| 25 | ))} | |
| 26 | </View> | |
| 27 | ); | |
| 28 | } | |
| 29 | ||
| 30 | function useOpen() { | |
| 31 | const { server, workspace } = useSignedIn(); | |
| 32 | return (href: string) => { | |
| 33 | const path = href.startsWith(server.site) ? href.slice(server.site.length) || "/" : href.startsWith("/") ? href : null; | |
| 34 | const route = path ? routeFor(path) : null; | |
| 35 | if (route) return router.push(route as never); | |
| 36 | void WebBrowser.openBrowserAsync(path ? siteUrl(server, path) : href); | |
| 37 | void workspace; | |
| 38 | }; | |
| 39 | } | |
| 40 | ||
| 41 | function BlockView({ block, muted }: { block: Block; muted?: boolean }) { | |
| 42 | const colors = useColors(); | |
| 43 | const base = { color: muted ? colors.muted : colors.fg, fontSize: 15, lineHeight: 21 }; | |
| 44 | switch (block.t) { | |
| 45 | case "p": | |
| 46 | return ( | |
| 47 | <Text style={base} selectable> | |
| 48 | {block.lines.map((line, index) => ( | |
| 49 | <Fragment key={index}> | |
| 50 | {index > 0 ? "\n" : null} | |
| 51 | <Spans spans={line} /> | |
| 52 | </Fragment> | |
| 53 | ))} | |
| 54 | </Text> | |
| 55 | ); | |
| 56 | case "heading": | |
| 57 | return ( | |
| 58 | <Text style={[base, { fontWeight: "700", fontSize: block.level <= 2 ? 17 : 15 }]}> | |
| 59 | <Spans spans={block.c} /> | |
| 60 | </Text> | |
| 61 | ); | |
| 62 | case "code": | |
| 63 | return ( | |
| 64 | <ScrollView horizontal style={[styles.codeBlock, { backgroundColor: colors.raised, borderColor: colors.line }]}> | |
| 65 | <Text selectable style={{ fontFamily: fonts.mono, fontSize: 13, lineHeight: 19, color: colors.fgSoft }}> | |
| 66 | {block.v} | |
| 67 | </Text> | |
| 68 | </ScrollView> | |
| 69 | ); | |
| 70 | case "list": | |
| 71 | return ( | |
| 72 | <View style={{ gap: 2 }}> | |
| 73 | {block.items.map((item, index) => ( | |
| 74 | <View key={index} style={{ flexDirection: "row", gap: space.sm }}> | |
| 75 | <Text style={[base, { color: colors.muted, minWidth: 16 }]}>{block.ordered ? `${block.start + index}.` : "•"}</Text> | |
| 76 | <View style={{ flex: 1, gap: 2 }}> | |
| 77 | {item.map((inner, at) => ( | |
| 78 | <BlockView key={at} block={inner} muted={muted} /> | |
| 79 | ))} | |
| 80 | </View> | |
| 81 | </View> | |
| 82 | ))} | |
| 83 | </View> | |
| 84 | ); | |
| 85 | case "quote": | |
| 86 | return ( | |
| 87 | <View style={[styles.quote, { borderLeftColor: colors.lineStrong }]}> | |
| 88 | {block.c.map((inner, index) => ( | |
| 89 | <BlockView key={index} block={inner} muted /> | |
| 90 | ))} | |
| 91 | </View> | |
| 92 | ); | |
| 93 | case "hr": | |
| 94 | return <View style={{ height: StyleSheet.hairlineWidth, backgroundColor: colors.lineStrong, marginVertical: space.xs }} />; | |
| 95 | case "table": | |
| 96 | return ( | |
| 97 | <ScrollView horizontal> | |
| 98 | <View style={[styles.table, { borderColor: colors.line }]}> | |
| 99 | {[block.head, ...block.rows].map((row, rowIndex) => ( | |
| 100 | <View key={rowIndex} style={{ flexDirection: "row", backgroundColor: rowIndex === 0 ? colors.raised : "transparent" }}> | |
| 101 | {row.map((cell, cellIndex) => ( | |
| 102 | <Text | |
| 103 | key={cellIndex} | |
| 104 | style={[base, styles.cell, { borderColor: colors.line, fontWeight: rowIndex === 0 ? "600" : "400", textAlign: block.align[cellIndex] ?? "left" }]} | |
| 105 | > | |
| 106 | <Spans spans={cell} /> | |
| 107 | </Text> | |
| 108 | ))} | |
| 109 | </View> | |
| 110 | ))} | |
| 111 | </View> | |
| 112 | </ScrollView> | |
| 113 | ); | |
| 114 | } | |
| 115 | } | |
| 116 | ||
| 117 | function Spans({ spans }: { spans: Span[] }) { | |
| 118 | const colors = useColors(); | |
| 119 | const open = useOpen(); | |
| 120 | const { workspace } = useSignedIn(); | |
| 121 | return ( | |
| 122 | <> | |
| 123 | {spans.map((span, index) => { | |
| 124 | switch (span.t) { | |
| 125 | case "text": | |
| 126 | return <Fragment key={index}>{span.v}</Fragment>; | |
| 127 | case "code": | |
| 128 | return ( | |
| 129 | <Text key={index} style={{ fontFamily: fonts.mono, fontSize: 13, backgroundColor: colors.raised, color: colors.fgSoft }}> | |
| 130 | {` ${span.v} `} | |
| 131 | </Text> | |
| 132 | ); | |
| 133 | case "strong": | |
| 134 | return ( | |
| 135 | <Text key={index} style={{ fontWeight: "700" }}> | |
| 136 | <Spans spans={span.c} /> | |
| 137 | </Text> | |
| 138 | ); | |
| 139 | case "em": | |
| 140 | return ( | |
| 141 | <Text key={index} style={{ fontStyle: "italic" }}> | |
| 142 | <Spans spans={span.c} /> | |
| 143 | </Text> | |
| 144 | ); | |
| 145 | case "del": | |
| 146 | return ( | |
| 147 | <Text key={index} style={{ textDecorationLine: "line-through" }}> | |
| 148 | <Spans spans={span.c} /> | |
| 149 | </Text> | |
| 150 | ); | |
| 151 | case "link": | |
| 152 | return ( | |
| 153 | <Text key={index} style={{ color: colors.accent, textDecorationLine: "underline" }} onPress={() => open(span.href)}> | |
| 154 | <Spans spans={span.c} /> | |
| 155 | </Text> | |
| 156 | ); | |
| 157 | case "mention": | |
| 158 | return ( | |
| 159 | <Text key={index} style={{ color: colors.accent, backgroundColor: colors.accentLow, fontWeight: "600" }}> | |
| 160 | @{span.name} | |
| 161 | </Text> | |
| 162 | ); | |
| 163 | case "channel": | |
| 164 | return ( | |
| 165 | <Text key={index} style={{ color: colors.accent, fontWeight: "600" }} onPress={() => workspace && open(`/${workspace.slug}/-/chat/${span.name}`)}> | |
| 166 | #{span.name} | |
| 167 | </Text> | |
| 168 | ); | |
| 169 | case "ref": | |
| 170 | return ( | |
| 171 | <Text key={index} style={{ color: colors.accent }} onPress={() => span.repo && open(`/${span.repo}/issues/${span.number}`)}> | |
| 172 | {span.repo ? `${span.repo}#${span.number}` : `#${span.number}`} | |
| 173 | </Text> | |
| 174 | ); | |
| 175 | } | |
| 176 | })} | |
| 177 | </> | |
| 178 | ); | |
| 179 | } | |
| 180 | ||
| 181 | const styles = StyleSheet.create({ | |
| 182 | codeBlock: { borderWidth: 1, borderRadius: radius.sm, padding: space.sm }, | |
| 183 | quote: { borderLeftWidth: 3, paddingLeft: space.sm, gap: space.xs }, | |
| 184 | table: { borderWidth: 1, borderRadius: radius.sm }, | |
| 185 | cell: { paddingHorizontal: space.sm, paddingVertical: 4, minWidth: 80, borderRightWidth: StyleSheet.hairlineWidth, borderBottomWidth: StyleSheet.hairlineWidth }, | |
| 186 | }); |
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