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"use strict";

(function(exports) {

var VERB = 1;

var DBUG = 2;

var INFO = 3;

var NOTE = 4;

var WARN = 5;

// FYI: Logging everything is /very/ slow. Chrome will log & buffer

// these console logs even when the debug tools are closed. :(

// TODO: Add an easy UI to change the log level.

// (Developers can just type DEFAULT_LOG_LEVEL=VERB in the console)

var DEFAULT_LOG_LEVEL = NOTE;

console.log("Hey developer! Want to see more verbose logging?");

console.log("Type this into the console: DEFAULT_LOG_LEVEL=VERB");

console.log("Accepted levels are VERB, DBUG, INFO, NOTE and WARN, default is NOTE");

function log(level, str) {

if (level >= DEFAULT_LOG_LEVEL) {

if (level === WARN) {

// Show warning with a little yellow icon in Chrome.

console.warn(str);

} else {

console.log(str);

}

}

}

/**

* Load a file packaged with the extension

*

* @param url: a relative URL to local file

*/

function loadExtensionFile(url, returnType) {

var xhr = new XMLHttpRequest();

// Use blocking XHR to ensure everything is loaded by the time

// we return.

xhr.open("GET", chrome.extension.getURL(url), false);

xhr.send(null);

// Get file contents

if (xhr.readyState !== 4) {

return;

}

if (returnType === 'xml') {

return xhr.responseXML;

}

if (returnType === 'json') {

return JSON.parse(xhr.responseText);

}

return xhr.responseText;

}

Object.assign(exports, {

VERB,

DBUG,

INFO,

NOTE,

WARN,

log,

loadExtensionFile

});

})(typeof exports == 'undefined' ? require.scopes.util = {} : exports);