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Track DOM content loaded for ready() function #1688

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Merged
1cg merged 1 commit into from
Aug 16, 2023
Merged

Track DOM content loaded for ready() function #1688

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15 changes: 14 additions & 1 deletion src/htmx.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3603,9 +3603,22 @@ return (function () {
//====================================================================
// Initialization
//====================================================================
var isReady = false
getDocument().addEventListener('DOMContentLoaded', function() {
isReady = true
})

/**
* Execute a function now if DOMContentLoaded has fired, otherwise listen for it.
*
* This function uses isReady because there is no realiable way to ask the browswer whether
* the DOMContentLoaded event has already been fired; there's a gap between DOMContentLoaded
* firing and readystate=complete.
*/
function ready(fn) {
if (getDocument().readyState === 'complete') {
// Checking readyState here is a failsafe in case the htmx script tag entered the DOM by
// some means other than the initial page load.
if (isReady || getDocument().readyState === 'complete') {
fn();
} else {
getDocument().addEventListener('DOMContentLoaded', fn);
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