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| author | Hakim El Hattab <hakim.elhattab@gmail.com> | 2019-03-12 13:17:08 +0100 |
|---|---|---|
| committer | Hakim El Hattab <hakim.elhattab@gmail.com> | 2019-03-12 13:17:08 +0100 |
| commit | 7b62a0f3566bf788fc14ba51e5b6e0e8cc34b637 (patch) | |
| tree | a901c626028b6e7a2e9021110665c68dd180b8fa | |
| parent | fbbae1dc55134d014a5a0df2e800d711e087b48f (diff) | |
| download | perl-software-in-gnu-guix-7b62a0f3566bf788fc14ba51e5b6e0e8cc34b637.tar perl-software-in-gnu-guix-7b62a0f3566bf788fc14ba51e5b6e0e8cc34b637.tar.gz | |
prevent same plugin from being registered twice
| -rw-r--r-- | js/reveal.js | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/js/reveal.js b/js/reveal.js index 616a935..1ef10aa 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -1558,12 +1558,17 @@ */ function registerPlugin( id, plugin ) { - plugins[id] = plugin; + if( plugins[id] === undefined ) { + plugins[id] = plugin; - // If a plugin is registered after reveal.js is loaded, - // initialize it right away - if( loaded && typeof plugin.init === 'function' ) { - plugin.init(); + // If a plugin is registered after reveal.js is loaded, + // initialize it right away + if( loaded && typeof plugin.init === 'function' ) { + plugin.init(); + } + } + else { + console.warn( 'reveal.js: "'+ id +'" plugin has already been registered' ); } } |