mselect.library.user.js

// ==UserScript==
// @name         MSelect Library
// @namespace    salembeats
// @version      1.1
// @description  Fast, lightweight selector library for MTurk userscripts.
// @author       Cuyler Stuwe (salembeats)
// ==/UserScript==

function MSelect() {
	this.lastClickedElement = null;

	document.body.addEventListener("click", e => {
		this.lastClickedElement = e.target;
	});
}

MSelect.prototype.$ = function(selector) {
	return document.querySelector(selector);
};

MSelect.prototype.$$ = function(selector) {
    return document.querySelectorAll(selector);
};

MSelect.prototype.$$a = function(selector) {
	return Array.from(this.$$(selector));
};

MSelect.prototype.$$$ = function() {
	return this.$$("*");
};

MSelect.prototype.$text = function(selector, text, options = {}) {
	const elementsFoundBySelector = this.$$(selector);
	if(elementsFoundBySelector.length === 0) {return undefined;}

    const textCheckMethod = ( ( options.altParseMethod || options.apm ) ? "textContent" : "innerText" );
	const textToCheck = ( ( options.caseInsensitive || options.ci ) ? (text || "").toLowerCase() : text );

	for(const el of elementsFoundBySelector) {
		const elementText = el[textCheckMethod];
		const elementTextToCompare = ( (options.caseInsensitive || options.ci) ? (elementText || "").toLowerCase() : elementText );
		if(  ( options.strict && (elementTextToCompare || "").trim() === (textToCheck || "").trim() ) || (!options.strict && (elementTextToCompare || "").includes(textToCheck))  ) {return el;}
	}

	return undefined;
};

MSelect.prototype.$$aText = function(selector, text, options = {}) {
	const elementsToReturn = [];
	const elementsFoundBySelector = this.$$(selector);
	if(elementsFoundBySelector.length === 0) {return elementsToReturn;}

    const textCheckMethod = ( ( options.altParseMethod || options.apm ) ? "textContent" : "innerText" );
	const textToCheck = ( (options.caseInsensitive || options.ci) ? (text || "").toLowerCase() : text );

	for(const el of elementsFoundBySelector) {
		const elementText = el[textCheckMethod];
		const elementTextToCompare = ( (options.caseInsensitive || options.ci) ? (elementText || "").toLowerCase() : elementText );
		if( ( options.strict && (elementTextToCompare || "").trim() == (textToCheck || "").trim() ) || (!options.strict && (elementTextToCompare || "").includes(textToCheck)) ) {elementsToReturn.push(el);}
	}

	return elementsToReturn;
};

MSelect.prototype.$rads = function() {
	return this.$$("input[type='radio']");
};

MSelect.prototype.$sub = function() {
	return this.$("input[type='submit']") || document.getElementById("submit");
};

MSelect.prototype.$0 = function() {
	return this.lastClickedElement;
};

const M$ = new MSelect();