amazon.com_return_label_reformatter.user.js

// ==UserScript==
// @name           Amazon Returns Label reformat
// @namespace      hhttp://www.okstorms.com/
// @version        1.2
// @description    adds some line breaks so that a UPS or FedEx half-sheet adhesive label can be used
// @author         JR Hehnly (http://www.okstorms.com @stormchasing)
// @license        GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// @match          https://www.amazon.com/spr/returns/label/*
// ==/UserScript==

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// History
//
// 05/2017 v1.1 JR Hehnly (http://www.okstorms.com @stormchasing)
//   Updated to add additional line breaks to properly format label page
// 12/2018 v1.2 JR Hehnly (http://www.okstorms.com @stormchasing)
//   Upadted retrun label triggering URL, label image class name and number of line breaks needed


function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = [];
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }
    }
    return (arrReturnElements);
}

function runMe() {
    var brDiv = document.createElement('div');
    brDiv.innerHTML = "<br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>";
    var imageNode = getElementsByClassName(document, 'img', 'return-label-image cut-line-sign')[0];
    imageNode.parentNode.insertBefore(brDiv, imageNode);
}

setTimeout(runMe, 2000);