37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
var requireFoolWebpack = require('./requireFoolWebpack');
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// source: https://github.com/flexdinesh/browser-or-node
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var isNode = function (nodeProcess) {
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return (
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typeof nodeProcess !== 'undefined' &&
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nodeProcess.versions != null &&
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nodeProcess.versions.node != null
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);
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}
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module.exports.isNode = isNode
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// determines the JavaScript platform: browser or node
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module.exports.platform = typeof process !== 'undefined' && isNode(process)
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? 'node'
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: 'browser';
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// determines whether the code is running in main thread or not
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// note that in node.js we have to check both worker_thread and child_process
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var worker_threads = tryRequireFoolWebpack('worker_threads');
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module.exports.isMainThread = module.exports.platform === 'node'
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? ((!worker_threads || worker_threads.isMainThread) && !process.connected)
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: typeof Window !== 'undefined';
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// determines the number of cpus available
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module.exports.cpus = module.exports.platform === 'browser'
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? self.navigator.hardwareConcurrency
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: requireFoolWebpack('os').cpus().length;
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function tryRequireFoolWebpack (module) {
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try {
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return requireFoolWebpack(module);
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} catch(err) {
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return null
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}
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}
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