luulam
2a37a4085e
Re-tab only — no logic changes. Follows the repo's tab-based formatting for these files, matching the CommandCode executor/translator style. Co-authored-by: CommandCodeBot <noreply@commandcode.ai>
48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
/**
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* Config-driven in-stream error pattern matching.
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* See docs/2026-08-04-stream-error-patterns-design.md.
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*
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* Settings shape: streamErrorPatterns: { [provider]: string[] }
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* Pattern syntax per entry:
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* - "plain text" → case-insensitive substring match
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* - "/regex/flags" → RegExp match (flags after the last "/")
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*/
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export function parsePatterns(patterns) {
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if (!Array.isArray(patterns)) return [];
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const out = [];
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for (const entry of patterns) {
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if (typeof entry !== "string" || !entry.trim()) continue;
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const raw = entry.trim();
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const m = raw.match(/^\/(.*)\/([a-z]*)$/s);
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if (m) {
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try {
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out.push({ regex: new RegExp(m[1], m[2]), raw });
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} catch {
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// invalid regex → skip; config errors must never break requests
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}
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continue;
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}
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out.push({ text: raw.toLowerCase(), raw });
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}
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return out;
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}
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export function matchStreamErrorPatterns(patterns, text) {
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if (!Array.isArray(patterns) || patterns.length === 0) return null;
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if (typeof text !== "string" || !text) return null;
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const lower = text.toLowerCase();
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for (const p of parsePatterns(patterns)) {
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if (p.text && lower.includes(p.text)) return p.raw;
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if (p.regex) {
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p.regex.lastIndex = 0; // stateless even with /g
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if (p.regex.test(text)) return p.raw;
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}
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}
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return null;
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}
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export function streamStatusForContent(patterns, content) {
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return matchStreamErrorPatterns(patterns, content) ? "error" : "success";
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}
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