00d8e551db
- refactor array equality check and add tests - remove OperatingSystem.Unknown causing extra logic, return undefined instead - refactor enum validation to share same logic - refactor scripting language factories to share same logic - refactor too many args in runCodeAsync - refactor ScriptCode constructor to reduce complexity - fix writing useless write to member object since another property write always override it
55 lines
2.1 KiB
TypeScript
55 lines
2.1 KiB
TypeScript
import { OperatingSystem } from '@/domain/OperatingSystem';
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import { DetectorBuilder } from './DetectorBuilder';
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import { IBrowserOsDetector } from './IBrowserOsDetector';
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export class BrowserOsDetector implements IBrowserOsDetector {
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private readonly detectors = BrowserDetectors;
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public detect(userAgent: string): OperatingSystem | undefined {
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if (!userAgent) {
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return undefined;
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}
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for (const detector of this.detectors) {
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const os = detector.detect(userAgent);
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if (os !== undefined) {
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return os;
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}
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}
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return undefined;
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}
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}
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// Reference: https://github.com/keithws/browser-report/blob/master/index.js#L304
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const BrowserDetectors =
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[
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define(OperatingSystem.KaiOS, (b) =>
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b.mustInclude('KAIOS')),
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define(OperatingSystem.ChromeOS, (b) =>
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b.mustInclude('CrOS')),
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define(OperatingSystem.BlackBerryOS, (b) =>
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b.mustInclude('BlackBerry')),
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define(OperatingSystem.BlackBerryTabletOS, (b) =>
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b.mustInclude('RIM Tablet OS')),
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define(OperatingSystem.BlackBerry, (b) =>
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b.mustInclude('BB10')),
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define(OperatingSystem.Android, (b) =>
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b.mustInclude('Android').mustNotInclude('Windows Phone')),
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define(OperatingSystem.Android, (b) =>
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b.mustInclude('Adr').mustNotInclude('Windows Phone')),
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define(OperatingSystem.iOS, (b) =>
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b.mustInclude('like Mac OS X')),
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define(OperatingSystem.Linux, (b) =>
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b.mustInclude('Linux').mustNotInclude('Android').mustNotInclude('Adr')),
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define(OperatingSystem.Windows, (b) =>
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b.mustInclude('Windows').mustNotInclude('Windows Phone')),
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define(OperatingSystem.WindowsPhone, (b) =>
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b.mustInclude('Windows Phone')),
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define(OperatingSystem.macOS, (b) =>
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b.mustInclude('OS X').mustNotInclude('Android').mustNotInclude('like Mac OS X')),
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];
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function define(os: OperatingSystem, applyRules: (builder: DetectorBuilder) => DetectorBuilder): IBrowserOsDetector {
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const builder = new DetectorBuilder(os);
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applyRules(builder);
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return builder.build();
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}
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