38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
import {execa} from 'execa';
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// Windows doesn't have browser IDs in the same way macOS/Linux does so we give fake
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// ones that look real and match the macOS/Linux versions for cross-platform apps.
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const windowsBrowserProgIds = {
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AppXq0fevzme2pys62n3e0fbqa7peapykr8v: {name: 'Edge', id: 'com.microsoft.edge.old'},
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MSEdgeDHTML: {name: 'Edge', id: 'com.microsoft.edge'}, // On macOS, it's "com.microsoft.edgemac"
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MSEdgeHTM: {name: 'Edge', id: 'com.microsoft.edge'}, // Newer Edge/Win10 releases
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'IE.HTTP': {name: 'Internet Explorer', id: 'com.microsoft.ie'},
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FirefoxURL: {name: 'Firefox', id: 'org.mozilla.firefox'},
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ChromeHTML: {name: 'Chrome', id: 'com.google.chrome'},
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};
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export class UnknownBrowserError extends Error {}
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export default async function defaultBrowser(_execa = execa) {
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const result = await _execa('reg', [
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'QUERY',
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' HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\http\\UserChoice',
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'/v',
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'ProgId',
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]);
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const match = /ProgId\s*REG_SZ\s*(?<id>\S+)/.exec(result.stdout);
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if (!match) {
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throw new UnknownBrowserError(`Cannot find Windows browser in stdout: ${JSON.stringify(result.stdout)}`);
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}
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const {id} = match.groups;
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const browser = windowsBrowserProgIds[id];
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if (!browser) {
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throw new UnknownBrowserError(`Unknown browser ID: ${id}`);
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}
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return browser;
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}
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