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refactor: streamline provider interactions and enhance error handling

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This commit is contained in:
decolua
2026-01-11 21:45:01 +07:00
parent f302c88dfb
commit f46ff42cb3
21 changed files with 859 additions and 170 deletions
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open-sse/utils/stream.js
+20 -4
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@@ -106,18 +106,34 @@ function parseSSELine(line) {
* @returns {string} SSE formatted string
*/
export function formatSSE(data, sourceFormat) {
if (data.done) return "data: [DONE]\n\n";
// Handle null/undefined
if (data === null || data === undefined) {
return "data: null\n\n";
}
if (data && data.done) return "data: [DONE]\n\n";
// OpenAI Responses API format: has event field
if (data.event && data.data) {
if (data && data.event && data.data) {
return `event: ${data.event}\ndata: ${JSON.stringify(data.data)}\n\n`;
}
// Claude format: include event prefix
if (sourceFormat === FORMATS.CLAUDE && data.type) {
if (sourceFormat === FORMATS.CLAUDE && data && data.type) {
// If perf_metrics is null, remove it to avoid serialization issues
if (data.usage && typeof data.usage === 'object' && data.usage.perf_metrics === null) {
const { perf_metrics, ...usageWithoutPerf } = data.usage;
data = { ...data, usage: usageWithoutPerf };
}
return `event: ${data.type}\ndata: ${JSON.stringify(data)}\n\n`;
}
// If perf_metrics is null, remove it to avoid serialization issues
if (data?.usage && typeof data.usage === 'object' && data.usage.perf_metrics === null) {
const { perf_metrics, ...usageWithoutPerf } = data.usage;
data = { ...data, usage: usageWithoutPerf };
}
return `data: ${JSON.stringify(data)}\n\n`;
}
@@ -199,7 +215,7 @@ export function createSSEStream(options = {}) {
const parsed = parseSSELine(trimmed);
if (!parsed) continue;
if (parsed.done) {
if (parsed && parsed.done) {
const output = "data: [DONE]\n\n";
reqLogger?.appendConvertedChunk?.(output);
controller.enqueue(encoder.encode(output));