wehub-resource-sync
39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
export function memorySnapshotMb(): Record<string, number> {
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const usage = process.memoryUsage();
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return {
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rss_mb: Math.round(usage.rss / 1024 / 1024),
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heap_used_mb: Math.round(usage.heapUsed / 1024 / 1024),
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heap_total_mb: Math.round(usage.heapTotal / 1024 / 1024),
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external_mb: Math.round(usage.external / 1024 / 1024),
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array_buffers_mb: Math.round(usage.arrayBuffers / 1024 / 1024),
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};
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}
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export class BoundedTextBuffer {
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private text = "";
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private truncatedChars = 0;
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constructor(private readonly limit = 8192) {}
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append(value: Buffer | string): void {
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const next = Buffer.isBuffer(value) ? value.toString("utf8") : value;
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if (this.limit <= 0) {
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this.truncatedChars += next.length;
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return;
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}
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let combined = this.text + next;
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if (combined.length > this.limit) {
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const overflow = combined.length - this.limit;
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this.truncatedChars += overflow;
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combined = combined.slice(overflow);
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}
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this.text = combined;
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}
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toString(): string {
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const body = this.text.trim();
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if (!this.truncatedChars) return body;
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return `... [truncated ${this.truncatedChars} chars]\n${body}`.trim();
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}
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}
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