48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
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export default class FetchInterceptor {
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constructor(logger = null, appState = null, perfMonitor = null) {
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this.logger = logger;
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this.appState = appState;
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this.perfMonitor = perfMonitor;
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this.activeRequests = 0;
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}
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async request(url, options = {}) {
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this.activeRequests++;
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this.appState?.setState({ isLoading: true });
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const startTime = performance.now();
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try {
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this.logger?.debug(`Fetch START: ${options.method || 'GET'} ${url}`);
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const response = await fetch(url, {
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...options,
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headers: {
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'Content-Type': 'application/json',
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...options.headers
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}
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});
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const duration = performance.now() - startTime;
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this.perfMonitor?.['_recordMetric']?.('fetch', duration);
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if (!response.ok) {
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throw new Error(`HTTP ${response.status}: ${response.statusText}`);
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}
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const data = await response.json();
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this.logger?.debug(`Fetch SUCCESS: ${url}`, { status: response.status, duration: `${duration.toFixed(2)}ms` });
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return data;
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} catch (error) {
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this.logger?.error(`Fetch FAILED: ${url}`, { error: error.message });
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throw error;
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} finally {
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this.activeRequests--;
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if (this.activeRequests === 0) {
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this.appState?.setState({ isLoading: false });
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}
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}
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}
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}
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