DebugUtil.js

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DebugUtil.js

import RequestLocalStorage from "./RequestLocalStorage";
import forEach from "lodash/forEach";
import map from "lodash/map";
import assign from "lodash/assign";
import pick from "lodash/pick";

const RLS = RequestLocalStorage.getNamespace();

This module provides methods that expose values from the query string.

So, for example, if you pass ?_debug_render_timeout=1000 then you can call DebugUtil.getRenderTimeout() and receive 1000.

Additionally you may call DebugUtil.getAllDebugValues() to obtain an object with all debug parameters extracted from the query string.

const DEBUG_PARAMS = {
	getRenderTimeout : "_debug_render_timeout",
	getOutputLogs    : "_debug_output_logs",
	getLab           : "_debug_lab",
	getJsBelowTheFold: "_debug_js_below_the_fold",
	getSplitJsLoad   : "_debug_split_js_load",
	getLogLevel      : "_react_server_log_level",
	getLogLevelMain  : "_react_server_log_level_main",
	getLogLevelTime  : "_react_server_log_level_time",
	getLogLevelGauge : "_react_server_log_level_gauge",
};

const DebugUtil = {
	setRequest(req) {
		assign(RLS(), pick(req.getQuery(), map(DEBUG_PARAMS, v => v)));
	},
	getAllDebugValues() {
		return assign({}, RLS());
	},
};

Make the methods.

forEach(DEBUG_PARAMS, (param, method) => DebugUtil[method] = () => RLS()[param]);

export default DebugUtil;