Utility functions such as log, js console, etc.
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.gf.qytechs.cn/scripts/375360/652240/sfs-utils-015.js
/* sfs-utils.js v0.1.5 */
// ==UserLibrary==
// @pseudoHeader
// @name SFS Utils
// @version 0.1.5
// ==/UserLibrary==
// Script must have a version of:
//
// // @require https://raw.githubusercontent.com/SloaneFox/code/master/gm4-polyfill-1.0.1.js
//
// in header to use this module userscript. Also for use of cmdrepl console function below grant of GM register command is required.
// See below for functions:
// function log(arguments); // prints correct line number under GM4, due to scope wrapper the given one is incorrect.
// function cmdrepl(e,immediate_flag); // Launch a js console from any place in the code &/or register one from a menu.
// function logNewNodes(); // Logs to console any new nodes (uses a mutation observer).
// var sname; // Set to GM info's script.name.
//
function logError(msg,e) { console.error("Error,",msg,". On line:",Elineno(e),"lineno offset:",-log.lineoffset,{Error:e}); }
function typeofObj(unknown_obj){ return ({}).toString.call(unknown_obj).substr(8).slice(0,-1); }
function Elineno(e) { return e.lineNumber-log.lineoffset; }
function objInfo(obj) {
switch(typeofObj(obj)) {
case "Event": return "Event:"+obj.type+" "+objInfo(obj.target);
case "Function": return obj.toString().substr(0,200);
case "String":
case "Number": return obj;
default:
var node=obj;
if(node.jquery) node=node[0];
if (!node) return "<empty>";
return (node.tagName||node.nodeName)+" "+(node.id?"#"+node.id:"")
+(node.className?node.className:"").replace(/\b(?=\w)/g,".");
}
}
function log() { // Prints lineno of logging not this lineno. //if (!Plat_Chrome) old_GM_log(t);};
var args=Array.from(arguments), lineno=parseInt(logStack(0,1))-log.lineoffset, pnewline,
locator="[ "+lineno +":"+ sname+ " "+( window!=parent? ("wname:"+window.name? window.name:"-") +" @"+location+", rstate: "+document.readyState:"") + " ]\t";
args.unshift(locator);
console.log.apply(console, args);
// In general it is console.log("%c a msg and another %c meggss","float:right","float:left;",anobj,"text","etc");
function logStack(fileToo, lineno_of_callee) { // deepest first.
var res="", e=new Error;
var s=e.stack.split("\n"); //if (fileToo) res="Stack of callers:\n\t\t"; //+s[1].split("@")[0]+"():\n\t\t"
if (lineno_of_callee) return (s[2].match(/:\d+(?=:)/)||[""])[0].substr(1); // Just give line number of one who called the function that called this, ie, geives lineno -f callee.
for (var i=1;i<s.length-1;i++)
res+=s[i].split("@")[0]+"() "+s[i].split(":").slice(-2)+"\n";
return !fileToo ? res : {Stack:s[0]+"\n"+res};
}
};
if (log.lineoffset==undefined) { // cos ff58 has linon at 360 + script lineno.
var ver=0,offset=0,ver_pos=navigator.userAgent.indexOf("Firefox/");
if (ver_pos!=-1) {
let v=parseInt(navigator.userAgent.substr(ver_pos+8));
if (v>=58 && v<60) offset=360;
if (v>=60) offset=492;
}
log.lineoffset=offset;
}
function logNewNodes() {
new MutationObserver((mutations, observer) => {try{
for (m of mutations) for (n of m.addedNodes) {
console.log("Node added",n.nodeName,(n.nodeType!=3 ? n : n.textContent.substr(0,40)+"..."));
if(n.nodeName=="IFRAME") {
$(n).removeAttr("sandbox");
n.addEventListener('load', function (e) {console.log("Loaded IFRAME",location,n,"this:",this);});
}
}
}catch(e){console.error("logNewNodes error",e.lineNumber,e);}})
.observe(document.documentElement, {childList: true,subtree:true});
}
// Call cmdreply to get js console at that point. Pass reg in to register cmd console as a menu command.
// If cant register cmd, invoke immediately.
var sname= typeof GM != "undefined" ? GM.info && GM.info.script.name : "noscript name";
async function cmdrepl(e={},immediate,...args) { // When called from GM menu e is set to event.
if(!immediate && !cmdrepl.regdone) { // if (typeof GM_registerMenuCommand!="undefined" && document.body)
cmdrepl.regdone=true;
setTimeout(function(){
//console.log("in sfs_utils GM.","abc"+GM_registerMenuCommand);
GM_registerMenuCommand("JS repl",cmdrepl); GM.registerMenuCommand("JS repl",cmdrepl); // reg in both
},2000);
return;
}
ls={};
try { let tmp=localStorage.reply; ls=localStorage; } catch(e){}
var res=e.message||sname+", enter command:",reply=ls.reply||"cmd";
while(reply) {
reply=prompt(res,reply);
if(!reply) break;
ls.reply=reply;
try{ res=await eval(reply); console.log(reply,"==>",res);res="==>"+res; } catch(e) {console.log("cmd err",e); cmdrepl(e);}
}
}