fix error when reveal.js was initialized with no plugins

This commit is contained in:
Hakim El Hattab 2019-03-14 15:39:19 +01:00
parent 6410ed15aa
commit b180d94e02

View File

@ -539,30 +539,39 @@
var pluginsToInitialize = Object.keys( plugins ).length; var pluginsToInitialize = Object.keys( plugins ).length;
var afterPlugInitialized = function() { // If there are no plugins, skip this step
if( --pluginsToInitialize === 0 ) { if( pluginsToInitialize === 0 ) {
loadAsyncDependencies(); loadAsyncDependencies();
} }
}; // ... otherwise initialize plugins
else {
for( var i in plugins ) { var afterPlugInitialized = function() {
if( --pluginsToInitialize === 0 ) {
loadAsyncDependencies();
}
};
var plugin = plugins[i]; for( var i in plugins ) {
// If the plugin has an 'init' method, invoke it var plugin = plugins[i];
if( typeof plugin.init === 'function' ) {
var callback = plugin.init();
// If the plugin returned a Promise, wait for it // If the plugin has an 'init' method, invoke it
if( callback && typeof callback.then === 'function' ) { if( typeof plugin.init === 'function' ) {
callback.then( afterPlugInitialized ); var callback = plugin.init();
// If the plugin returned a Promise, wait for it
if( callback && typeof callback.then === 'function' ) {
callback.then( afterPlugInitialized );
}
else {
afterPlugInitialized();
}
} }
else { else {
afterPlugInitialized(); afterPlugInitialized();
} }
}
else {
afterPlugInitialized();
} }
} }