65 lines
1.8 KiB
TypeScript
65 lines
1.8 KiB
TypeScript
// Shared helpers for parsing MEDIA tokens from command/stdout text.
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export const MEDIA_LINE_RE = /\bMEDIA:/i;
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// Allow optional wrapping backticks and punctuation after the token; capture the core token.
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export const MEDIA_TOKEN_RE = /\bMEDIA:\s*`?([^\s`]+)`?/i;
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export function normalizeMediaSource(src: string) {
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if (src.startsWith("file://")) return src.replace("file://", "");
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return src;
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}
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export function splitMediaFromOutput(raw: string): {
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text: string;
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mediaUrl?: string;
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} {
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const trimmedRaw = raw.trim();
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let text = trimmedRaw;
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let mediaUrl: string | undefined;
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let mediaLine = trimmedRaw.split("\n").find((line) => MEDIA_LINE_RE.test(line));
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let mediaMatch = mediaLine?.match(MEDIA_TOKEN_RE) ?? trimmedRaw.match(MEDIA_TOKEN_RE);
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if (!mediaMatch) {
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return { text: trimmedRaw };
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}
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if (!mediaLine && mediaMatch) {
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mediaLine = mediaMatch[0];
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}
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let isValidMedia = false;
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if (mediaMatch?.[1]) {
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const cleaned = mediaMatch[1]
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.replace(/^[`"'[{(]+/, "")
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.replace(/[`"'\\})\],]+$/, "");
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const candidate = normalizeMediaSource(cleaned);
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const looksLikeUrl = /^https?:\/\//i.test(candidate);
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const looksLikePath = candidate.startsWith("/") || candidate.startsWith("./");
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const hasWhitespace = /\s/.test(candidate);
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isValidMedia =
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!hasWhitespace && candidate.length <= 1024 && (looksLikeUrl || looksLikePath);
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if (isValidMedia) {
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mediaUrl = candidate;
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}
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}
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if (isValidMedia && mediaMatch?.[0]) {
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text = trimmedRaw
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.replace(mediaMatch[0], "")
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.replace(/[ \t]{2,}/g, " ")
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.replace(/[ \t]+\n/g, "\n")
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.replace(/\n{2,}/g, "\n")
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.trim();
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} else {
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text = trimmedRaw
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.split("\n")
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.filter((line) => line !== mediaLine)
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.join("\n")
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.replace(/[ \t]{2,}/g, " ")
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.replace(/[ \t]+\n/g, "\n")
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.replace(/\n{2,}/g, "\n")
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.trim();
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}
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return { text, mediaUrl };
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}
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