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1 /* global twentytwentyoneIsDarkMode, setTimeout */ 2 3 // Check the color scheme preference and inject the classes if necessary. 4 if ( document.body.classList.contains( 'twentytwentyone-supports-dark-theme' ) ) { 5 twentytwentyoneDarkModeEditorInit(); 6 } 7 8 /** 9 * Once the editor loads, add the dark mode class. 10 * 11 * Wait for the editor to load by periodically checking for an element, then we add the classes. 12 * 13 * @since Twenty Twenty-One 1.0 14 * 15 * @param {number} attempt Track the number of tries 16 * @return {void} 17 */ 18 function twentytwentyoneDarkModeEditorInit( attempt ) { 19 var container = document.querySelector( '.block-editor__typewriter' ), 20 maxAttempts = 8; 21 22 // Set the initial attempt if it's undefined. 23 attempt = attempt || 0; 24 25 if ( twentytwentyoneIsDarkMode() ) { 26 if ( null === container ) { 27 // Try again. 28 if ( attempt < maxAttempts ) { 29 setTimeout( 30 function() { 31 twentytwentyoneDarkModeEditorInit( attempt + 1 ); 32 }, 33 // Double the delay, give the server some time to breathe. 34 25 * Math.pow( 2, attempt ) 35 ); 36 } 37 return; 38 } 39 40 document.body.classList.add( 'is-dark-theme' ); 41 document.documentElement.classList.add( 'is-dark-theme' ); 42 container.classList.add( 'is-dark-theme' ); 43 } 44 }
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