Is there a way to seamlessly share constants between the client and server in a universal, server side rendered JavaScript web application?
Is there a way to seamlessly share constants between the client and server in a universal, server side rendered JavaScript web application?
Utilizing Webpack's DefinePlugin
new webpack.DefinePlugin({
ENVIRONMENT: JSON.stringify(true),
VERSION_NUMBER: JSON.stringify("2bc8d1"),
})
Keep in mind that this specific plugin will directly insert these values into the page. So, if you try something like:
new webpack.DefinePlugin({ FOO: "BAR" });
Webpack will physically inject:
var FOO = BAR;
This can cause errors since the plain string BAR may be mistaken for a nonexistent variable. Hence, most examples wrap values in JSON.stringify to return quoted values such as:
new webpack.DefinePlugin({ FOO: JSON.stringify("BAR") });
This will appropriately input:
var FOO = "BAR";
Admittedly, this aspect of design leaves much to be desired. Navigating through Webpack's API proves challenging.
One way to utilize these is by defining them as environment variables - this allows easy access on the backend and the ability to inject them into client-side JavaScript files utilizing webpack.DefinePlugin
The question posed lacks specificity, however, one possible solution is to utilize the Define Plugin:
Implement the Define Plugin within your webpack configuration.
plugins: [new webpack.DefinePlugin({__CLIENT_RENDERING__: true})]
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