I'd like to dynamically load and call Javascript functions with a JSON file. The idea is to build a plugin framework that would others to add functionality by simply writing a function and updating the JSON file.
For example, with the following JSON:
{
"plugins" : {
"random" : {
"name" : "Random number generator",
"hook" : "random"
}
}
}
... and the following plugin: random.js
module.exports.run = function() {
return Math.round(Math.random() * 100);
}
I'd like to be able to parse the JSON file and call the run function of any plugin. How can I load and call the run function on random?
Based on what you have described above, just require the module.
var plugins = require('./plugins.json');
var pluginKeys = Object.keys(plugins);
for (var i = 0; i< pluginKeys; i++)
plugins[pluginKeys[i]].func = require('./'+[pluginKeys[i].hook+'.js').run;
// could add extra path to above as well. You could also leave off the '.js'
Then you would just:
var randomTheHardWay = plugins.random.func();
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