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This applies a really basic version of the parsing in ndk-svelte-components which was copied from coracle. hopefully they can be fully aligned in the future. I applied extra typing and will intergrate other ParsedParts when needed. applied line breaks to commit messages, pr description and default for event content.master
DanConwayDev
2 years ago
7 changed files with 148 additions and 5 deletions
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<script lang="ts"> |
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import type { NDKTag } from "@nostr-dev-kit/ndk"; |
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import { isParsedNewLine, isParsedText, parseContent } from "./utils"; |
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export let content: string = ""; |
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export let tags: NDKTag[] = []; |
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const fullContent = parseContent({ content, tags }); |
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</script> |
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<div> |
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{#each fullContent as part, i} |
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{#if isParsedNewLine(part)} |
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{#if part.value.length > 1} |
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<br /> |
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{/if} |
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<br /> |
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{:else if isParsedText(part)} |
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{part.value} |
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{/if} |
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{/each} |
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</div> |
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import type { NDKTag } from "@nostr-dev-kit/ndk"; |
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import { nip19 } from "nostr-tools"; |
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import { identity, last, pluck } from "ramda"; |
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export const TOPIC = "topic"; |
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export const LINK = "link"; |
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export const LINKCOLLECTION = "link[]"; |
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export const HTML = "html"; |
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export const INVOICE = "invoice"; |
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export const NOSTR_NOTE = "nostr:note"; |
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export const NOSTR_NEVENT = "nostr:nevent"; |
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export const NOSTR_NPUB = "nostr:npub"; |
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export const NOSTR_NPROFILE = "nostr:nprofile"; |
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export const NOSTR_NADDR = "nostr:naddr"; |
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const first = (list: any) => (list ? list[0] : undefined); |
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export const fromNostrURI = (s: string) => s.replace(/^[\w+]+:\/?\/?/, ""); |
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export const urlIsMedia = (url: string) => |
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!url.match(/\.(apk|docx|xlsx|csv|dmg)/) && last(url.split("://"))?.includes("/"); |
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export type ContentArgs = { |
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content: string; |
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tags?: Array<NDKTag>; |
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}; |
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export type ParsedPart = ParsedNewLine | ParsedText; |
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export const NEWLINE = "newline"; |
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export type ParsedNewLine = { |
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type: "newline", |
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value: string, |
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}; |
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export const isParsedNewLine = (part: ParsedPart): part is ParsedNewLine => { |
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return part.type == "newline" |
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}; |
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export const TEXT = "text"; |
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export type ParsedText = { |
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type: "text", |
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value: string, |
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}; |
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export const isParsedText = (part: ParsedPart): part is ParsedText => { |
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return part.type == "text" |
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}; |
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export const parseContent = ({ content, tags = [] }: ContentArgs): ParsedPart[] => { |
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const result: ParsedPart[] = []; |
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let text = content.trim(); |
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let buffer = ""; |
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const parseNewline = () => { |
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const newline = first(text.match(/^\n+/)); |
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if (newline) { |
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return [NEWLINE, newline, newline]; |
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} |
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}; |
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while (text) { |
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// The order that this runs matters
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const part = |
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parseNewline(); |
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if (part) { |
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if (buffer) { |
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result.push({ type: "text", value: buffer }); |
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buffer = ""; |
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} |
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const [type, raw, value] = part; |
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result.push({ type, value }); |
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text = text.slice(raw.length); |
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} else { |
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// Instead of going character by character and re-running all the above regular expressions
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// a million times, try to match the next word and add it to the buffer
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const match = first(text.match(/^[\w\d]+ ?/i)) || text[0]; |
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buffer += match; |
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text = text.slice(match.length); |
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} |
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} |
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if (buffer) { |
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result.push({ type: TEXT, value: buffer }); |
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} |
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return result; |
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}; |
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