refactor(quota): modularize QuotaPage into separate section components

src/utils/quota/parsers.ts

@@ -0,0 +1,153 @@
+/**
+ * Normalization and parsing functions for quota data.
+ */
+
+import type { CodexUsagePayload, GeminiCliQuotaPayload } from '@/types';
+
+export function normalizeAuthIndexValue(value: unknown): string | null {
+  if (typeof value === 'number' && Number.isFinite(value)) {
+    return value.toString();
+  }
+  if (typeof value === 'string') {
+    const trimmed = value.trim();
+    return trimmed ? trimmed : null;
+  }
+  return null;
+}
+
+export function normalizeStringValue(value: unknown): string | null {
+  if (typeof value === 'string') {
+    const trimmed = value.trim();
+    return trimmed ? trimmed : null;
+  }
+  if (typeof value === 'number' && Number.isFinite(value)) {
+    return value.toString();
+  }
+  return null;
+}
+
+export function normalizeNumberValue(value: unknown): number | null {
+  if (typeof value === 'number' && Number.isFinite(value)) return value;
+  if (typeof value === 'string') {
+    const trimmed = value.trim();
+    if (!trimmed) return null;
+    const parsed = Number(trimmed);
+    return Number.isFinite(parsed) ? parsed : null;
+  }
+  return null;
+}
+
+export function normalizeQuotaFraction(value: unknown): number | null {
+  const normalized = normalizeNumberValue(value);
+  if (normalized !== null) return normalized;
+  if (typeof value === 'string') {
+    const trimmed = value.trim();
+    if (!trimmed) return null;
+    if (trimmed.endsWith('%')) {
+      const parsed = Number(trimmed.slice(0, -1));
+      return Number.isFinite(parsed) ? parsed / 100 : null;
+    }
+  }
+  return null;
+}
+
+export function normalizePlanType(value: unknown): string | null {
+  const normalized = normalizeStringValue(value);
+  return normalized ? normalized.toLowerCase() : null;
+}
+
+export function decodeBase64UrlPayload(value: string): string | null {
+  const trimmed = value.trim();
+  if (!trimmed) return null;
+  try {
+    const normalized = trimmed.replace(/-/g, '+').replace(/_/g, '/');
+    const padded = normalized.padEnd(Math.ceil(normalized.length / 4) * 4, '=');
+    if (typeof window !== 'undefined' && typeof window.atob === 'function') {
+      return window.atob(padded);
+    }
+    if (typeof atob === 'function') {
+      return atob(padded);
+    }
+  } catch {
+    return null;
+  }
+  return null;
+}
+
+export function parseIdTokenPayload(value: unknown): Record<string, unknown> | null {
+  if (!value) return null;
+  if (typeof value === 'object') {
+    return Array.isArray(value) ? null : (value as Record<string, unknown>);
+  }
+  if (typeof value !== 'string') return null;
+  const trimmed = value.trim();
+  if (!trimmed) return null;
+  try {
+    const parsed = JSON.parse(trimmed) as Record<string, unknown>;
+    if (parsed && typeof parsed === 'object') return parsed;
+  } catch {
+    // Continue to JWT parsing
+  }
+  const segments = trimmed.split('.');
+  if (segments.length < 2) return null;
+  const decoded = decodeBase64UrlPayload(segments[1]);
+  if (!decoded) return null;
+  try {
+    const parsed = JSON.parse(decoded) as Record<string, unknown>;
+    if (parsed && typeof parsed === 'object') return parsed;
+  } catch {
+    return null;
+  }
+  return null;
+}
+
+export function parseAntigravityPayload(payload: unknown): Record<string, unknown> | null {
+  if (payload === undefined || payload === null) return null;
+  if (typeof payload === 'string') {
+    const trimmed = payload.trim();
+    if (!trimmed) return null;
+    try {
+      return JSON.parse(trimmed) as Record<string, unknown>;
+    } catch {
+      return null;
+    }
+  }
+  if (typeof payload === 'object') {
+    return payload as Record<string, unknown>;
+  }
+  return null;
+}
+
+export function parseCodexUsagePayload(payload: unknown): CodexUsagePayload | null {
+  if (payload === undefined || payload === null) return null;
+  if (typeof payload === 'string') {
+    const trimmed = payload.trim();
+    if (!trimmed) return null;
+    try {
+      return JSON.parse(trimmed) as CodexUsagePayload;
+    } catch {
+      return null;
+    }
+  }
+  if (typeof payload === 'object') {
+    return payload as CodexUsagePayload;
+  }
+  return null;
+}
+
+export function parseGeminiCliQuotaPayload(payload: unknown): GeminiCliQuotaPayload | null {
+  if (payload === undefined || payload === null) return null;
+  if (typeof payload === 'string') {
+    const trimmed = payload.trim();
+    if (!trimmed) return null;
+    try {
+      return JSON.parse(trimmed) as GeminiCliQuotaPayload;
+    } catch {
+      return null;
+    }
+  }
+  if (typeof payload === 'object') {
+    return payload as GeminiCliQuotaPayload;
+  }
+  return null;
+}