48 lines
1.9 KiB
JavaScript
48 lines
1.9 KiB
JavaScript
/**
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* @license
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* Copyright 2024 The Emscripten Authors
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* SPDX-License-Identifier: MIT
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*/
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(function() {
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// "30.0.0" -> 300000
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function humanReadableVersionToPacked(str) {
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str = str.split('-')[0]; // Remove any trailing part from e.g. "12.53.3-alpha"
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var vers = str.split('.').slice(0, 3);
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while(vers.length < 3) vers.push('00');
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vers = vers.map((n, i, arr) => n.padStart(2, '0'));
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return vers.join('');
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}
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// 300000 -> "30.0.0"
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var packedVersionToHumanReadable = n => [n / 10000 | 0, (n / 100 | 0) % 100, n % 100].join('.');
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var userAgent = typeof navigator !== 'undefined' && navigator.userAgent;
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if (!userAgent) {
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return;
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}
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var currentSafariVersion = userAgent.includes("Safari/") && !userAgent.includes("Chrome/") && userAgent.match(/Version\/(\d+\.?\d*\.?\d*)/) ? humanReadableVersionToPacked(userAgent.match(/Version\/(\d+\.?\d*\.?\d*)/)[1]) : TARGET_NOT_SUPPORTED;
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if (currentSafariVersion < MIN_SAFARI_VERSION) {
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console.log(navigator.userAgent);
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var msg = `Required Safari v${ packedVersionToHumanReadable(MIN_SAFARI_VERSION) }, detected v${ packedVersionToHumanReadable(currentSafariVersion) }.`;
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alert(msg)
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throw new Error(msg);
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}
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var currentFirefoxVersion = userAgent.match(/Firefox\/(\d+(?:\.\d+)?)/) ? parseFloat(userAgent.match(/Firefox\/(\d+(?:\.\d+)?)/)[1]) : TARGET_NOT_SUPPORTED;
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if (currentFirefoxVersion < MIN_FIREFOX_VERSION) {
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console.log(navigator.userAgent);
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var msg = `Required Firefox vMIN_FIREFOX_VERSION, detected v${currentFirefoxVersion}.`;
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alert(msg)
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throw new Error(msg);
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}
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var currentChromeVersion = userAgent.match(/Chrome\/(\d+(?:\.\d+)?)/) ? parseFloat(userAgent.match(/Chrome\/(\d+(?:\.\d+)?)/)[1]) : TARGET_NOT_SUPPORTED;
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if (currentChromeVersion < MIN_CHROME_VERSION) {
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console.log(navigator.userAgent);
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var msg = `Required Chrome vMIN_CHROME_VERSION, detected v${currentChromeVersion}.`;
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alert(msg)
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throw new Error(msg);
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}
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})();
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