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docs: prevent write-after-end crash in repl/presentation example #13890

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docs: prevent write-after-end crash in repl/presentation example #13890

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8 changes: 6 additions & 2 deletions lib/node_modules/@stdlib/repl/presentation/examples/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,11 @@ var join = require( 'path' ).join;
var REPL = require( '@stdlib/repl' );
var Presentation = require( './../lib' ); // eslint-disable-line stdlib/no-redeclare

var timer;

function onExit() {
// Cancel any pending slide timeout:
clearTimeout( timer );
console.log( '' );
console.log( 'REPL closed.' );
}
Expand All @@ -46,13 +50,13 @@ var len = pres.length;
pres.show();

// Automate the slide show:
setTimeout( next, 2000 );
timer = setTimeout( next, 2000 );

function next() {
// If we are finished with the slide show, close the REPL...
if ( pres.currentSlide === len ) {
return repl.close();
}
pres.next().show();
setTimeout( next, 2000 );
timer = setTimeout( next, 2000 );
}
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