what is requirejs-config.js in Magento2?
Shim:
To build a dependency on the third-party plugin, specify a [shim] in the following configuration files:
requirejs-config.js
var config = {
"shim": {
"3-rd-party-plugin": ["jquery"]
}
};
Map:
Replace a default JS component To use a custom implementation of an existing Magento JS component: Place the custom component source file in one of the following locations:
Your theme JS files: /web/js
or /_/web/js
Your module view JS files: /view/frontend/web/js
Create a RequireJS configuration file requirejs-config.js, having specified the following:
var config = {
"map": {
"*": {
"<default_component>": "<custom_component>"
}
}
};
Deps:
Is used when your require js configurations depends upon some dependencies, i.e. you want to load some dependencies before your requires js define()’d is called. example:
var config = {
"deps": [
"jquery"
]
};
Here, It loads the [jquery] as soon as the require define()’d is called.