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'use strict' ;
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- if ( typeof window === 'undefined' || typeof MessageChannel !== 'function' ) {
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- module . exports = require ( './unstable_no_dom' ) ;
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- } else if ( process . env . NODE_ENV === 'production' ) {
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- module . exports = require ( './cjs/scheduler.production.min.js' ) ;
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+ // Duplicated from 'react/packages/shared/ExecutionEnvironment.js'
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+ var canUseDom = ! ! (
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+ typeof window !== 'undefined' &&
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+ typeof window . document !== 'undefined' &&
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+ typeof window . document . createElement !== 'undefined'
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+ ) ;
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+
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+ // Checks if this is global space
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+ var isThisGlobal = ! ! (
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+ typeof globalThis !== 'undefined' &&
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+ globalThis === this
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+ ) ;
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+
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+ if ( canUseDom && isThisGlobal ) {
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+ if ( process . env . NODE_ENV === 'production' ) {
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+ module . exports = require ( './cjs/scheduler.production.min.js' ) ;
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+ } else {
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+ module . exports = require ( './cjs/scheduler.development.js' ) ;
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+ }
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} else {
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- module . exports = require ( './cjs/scheduler.development.js ' ) ;
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+ module . exports = require ( './unstable_no_dom ' ) ;
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}
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