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dandean/assert-args.js

Created May 6, 2015 22:42
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assert-args.js
import args from "assert-args";
// Annotate functions for argument warnings in non-production environments:
@args({ bar: String, baz: Function })
function foo(bar, baz) {
}
foo();
// Argument Warning: expected bar to be String, found undefined
// Argument Warning: expected baz to be Function, found undefined
foo(5, "pow");
// Argument Warning: expected bar to be String, found Number
// Argument Warning: expected baz to be Function, found String
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