// HELPERS
/*jslint esversion: 6*/
/*global console,require,exports,XMLHttpRequest*/
"use strict";
// In Firefox, there is no console.log in PromiseWorker, but there is worker.log.
// In Thunderbird, you can’t access to console directly. So it’s required to pass a log function.
let funcOutput = null;
var helpers = {
setLogOutput: function (func) {
// probably obsolete now, as console.log seems to work everywhere (at last!)
funcOutput = func;
},
echo: function (obj) {
// probably obsolete now, as console.log seems to work everywhere (at last!)
if (funcOutput !== null) {
funcOutput(obj);
} else {
console.log(obj);
}
return true;
},
logerror: function (e, bStack=false) {
let sMsg = "\n" + e.fileName + "\n" + e.name + "\nline: " + e.lineNumber + "\n" + e.message;
if (bStack) {
sMsg += "\n--- Stack ---\n" + e.stack;
}
if (funcOutput !== null) {
funcOutput(sMsg);
} else {
console.error(sMsg);
}
},
inspect: function (o) {
let sMsg = "__inspect__: " + typeof o;
for (let sParam in o) {
sMsg += "\n" + sParam + ": " + o.sParam;
}
sMsg += "\n" + JSON.stringify(o) + "\n__end__";
this.echo(sMsg);
},
loadFile: function (spf) {
// load ressources in workers (suggested by Mozilla extensions reviewers)
// for more options have a look here: https://gist.github.com/Noitidart/ec1e6b9a593ec7e3efed
// if not in workers, use sdk/data.load() instead
try {
let xRequest;
if (typeof XMLHttpRequest !== "undefined") {
xRequest = new XMLHttpRequest();
} else {
// JS sucks again… necessary for Thunderbird
let { Cc, Ci } = require("chrome");
xRequest = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance();
xRequest.QueryInterface(Ci.nsIXMLHttpRequest);
}
xRequest.open('GET', spf, false); // 3rd arg is false for synchronous, sync is acceptable in workers
xRequest.overrideMimeType('text/json');
xRequest.send();
return xRequest.responseText;
}
catch (e) {
this.logerror(e);
return null;
}
},
// conversions
objectToMap: function (obj) {
if (obj == null) {
return null;
}
let m = new Map();
for (let param in obj) {
m.set(param, obj[param]);
}
return m;
},
mapToObject: function (m) {
if (m == null) {
return null;
}
let obj = {};
for (let [k, v] of m) {
obj[k] = v;
}
return obj;
}
};
if (typeof(exports) !== 'undefined') {
exports.setLogOutput = helpers.setLogOutput;
exports.echo = helpers.echo;
exports.logerror = helpers.logerror;
exports.inspect = helpers.inspect;
exports.loadFile = helpers.loadFile;
exports.objectToMap = helpers.objectToMap;
exports.mapToObject = helpers.mapToObject;
}