19 lines
422 B
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
module.exports.deprecate = (fn, msg) => {
let once = true;
return function deprecate() {
if (once) {
// eslint-disable-next-line no-console
console.warn(`DeprecationWarning: ${msg}`);
once = false;
}
// eslint-disable-next-line prefer-rest-params
return fn.apply(this, arguments);
};
};