68 lines
1.9 KiB
TypeScript
68 lines
1.9 KiB
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Adapter} from './adapter';
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import {Debuggable} from './api';
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export class DebugHandler {
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constructor(readonly driver: Debuggable, readonly adapter: Adapter) {}
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async handleFetch(req: Request): Promise<Response> {
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const [state, versions, idle] = await Promise.all([
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this.driver.debugState(),
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this.driver.debugVersions(),
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this.driver.debugIdleState(),
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]);
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const msgState = `NGSW Debug Info:
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Driver state: ${state.state} (${state.why})
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Latest manifest hash: ${state.latestHash || 'none'}
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Last update check: ${this.since(state.lastUpdateCheck)}`;
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const msgVersions = versions
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.map(version => `=== Version ${version.hash} ===
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Clients: ${version.clients.join(', ')}`)
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.join('\n\n');
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const msgIdle = `=== Idle Task Queue ===
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Last update tick: ${this.since(idle.lastTrigger)}
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Last update run: ${this.since(idle.lastRun)}
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Task queue:
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${idle.queue.map(v => ' * ' + v).join('\n')}
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`;
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return this.adapter.newResponse(
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`${msgState}
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${msgVersions}
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${msgIdle}`,
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{headers: this.adapter.newHeaders({'Content-Type': 'text/plain'})});
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}
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since(time: number|null): string {
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if (time === null) {
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return 'never';
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}
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let age = this.adapter.time - time;
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const days = Math.floor(age / 86400000);
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age = age % 86400000;
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const hours = Math.floor(age / 3600000);
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age = age % 3600000;
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const minutes = Math.floor(age / 60000);
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age = age % 60000;
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const seconds = Math.floor(age / 1000);
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const millis = age % 1000;
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return '' + (days > 0 ? `${days}d` : '') + (hours > 0 ? `${hours}h` : '') +
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(minutes > 0 ? `${minutes}m` : '') + (seconds > 0 ? `${seconds}s` : '') +
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(millis > 0 ? `${millis}u` : '');
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}
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}
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