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lines changed Original file line number Diff line number Diff line change 11'use strict' ;
22
3- if ( typeof window === 'undefined' || typeof MessageChannel !== 'function' ) {
4- module . exports = require ( './unstable_no_dom' ) ;
5- } else if ( process . env . NODE_ENV === 'production' ) {
6- module . exports = require ( './cjs/scheduler.production.min.js' ) ;
3+ // Duplicated from 'react/packages/shared/ExecutionEnvironment.js'
4+ var canUseDom = ! ! (
5+ typeof window !== 'undefined' &&
6+ typeof window . document !== 'undefined' &&
7+ typeof window . document . createElement !== 'undefined'
8+ ) ;
9+
10+ // Checks if this is global space
11+ var isThisGlobal = ! ! (
12+ typeof globalThis !== 'undefined' &&
13+ globalThis === this
14+ ) ;
15+
16+ if ( canUseDom && isThisGlobal ) {
17+ if ( process . env . NODE_ENV === 'production' ) {
18+ module . exports = require ( './cjs/scheduler.production.min.js' ) ;
19+ } else {
20+ module . exports = require ( './cjs/scheduler.development.js' ) ;
21+ }
722} else {
8- module . exports = require ( './cjs/scheduler.development.js ' ) ;
23+ module . exports = require ( './unstable_no_dom ' ) ;
924}
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