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shrine-medco/shrine-webclient/src/main/html/node_modules/util-deprecate/browser.js
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browser.js
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			/**
			* Module exports.
			*/

			module.exports = deprecate;

			/**
			* Mark that a method should not be used.
			* Returns a modified function which warns once by default.
			*
			* If `localStorage.noDeprecation = true` is set, then it is a no-op.
			*
			* If `localStorage.throwDeprecation = true` is set, then deprecated functions
			* will throw an Error when invoked.
			*
			* If `localStorage.traceDeprecation = true` is set, then deprecated functions
			* will invoke `console.trace()` instead of `console.error()`.
			*
			* @param {Function} fn - the function to deprecate
			* @param {String} msg - the string to print to the console when `fn` is invoked
			* @returns {Function} a new "deprecated" version of `fn`
			* @api public
			*/

			function deprecate (fn, msg) {
			if (config('noDeprecation')) {
			return fn;
			}

			var warned = false;
			function deprecated() {
			if (!warned) {
			if (config('throwDeprecation')) {
			throw new Error(msg);
			} else if (config('traceDeprecation')) {
			console.trace(msg);
			} else {
			console.warn(msg);
			}
			warned = true;
			}
			return fn.apply(this, arguments);
			}

			return deprecated;
			}

			/**
			* Checks `localStorage` for boolean values for the given `name`.
			*
			* @param {String} name
			* @returns {Boolean}
			* @api private
			*/

			function config (name) {
			// accessing global.localStorage can trigger a DOMException in sandboxed iframes
			try {
			if (!global.localStorage) return false;
			} catch (_) {
			return false;
			}
			var val = global.localStorage[name];
			if (null == val) return false;
			return String(val).toLowerCase() === 'true';
			}