javascript:(function(){
 var tableRow, tableRowLen, thead, curPage, curExtract, curUser, curRepo;
 var sizeTH, sizeIDTH, sizeTD, sizeTDID, indexSizeID = 0, fileName, unit;
 var onRoot=0,tablePage=1,apiRoot, curAPI, mapAPI;
 /* Switch to prevent new columns being added on navigations */
 var firstLoad = 0, curDir = window.location.href, turnOff, firstRun, fileSizeHasID, reGetAPIJSON, sessionNeedsResetting = 0;
 var docBody = document.getElementsByTagName("body");
 /* style td element text color */
 var bookmarkletStyle = document.createElement("style");
 bookmarkletStyle.id = "fileSizeStyle--__-unlikely_-_name-__--fileSizeStyle";
 bookmarkletStyle.textContent = `td[id^="fileSize-__-unlikely-name-__-fileSize"] { color: #9198a1 !important; }`;
 /* insert style, re-inserting if a soft navigation replaced the body */
 var insertBookmarkletStyle = function() {
  if (!document.getElementById("fileSizeStyle--__-unlikely_-_name-__--fileSizeStyle")) {
   docBody[0].insertAdjacentElement("afterbegin", bookmarkletStyle);
  }
 };
 insertBookmarkletStyle();
 if (sessionStorage.getItem("showFileSize-,._.,-|__--_unlikely-_-name_--__|-,._.,-showFileSize") == null) {
  sessionStorage.setItem("showFileSize-,._.,-|__--_unlikely-_-name_--__|-,._.,-showFileSize", "1");
  firstRun = sessionStorage.getItem("showFileSize-,._.,-|__--_unlikely-_-name_--__|-,._.,-showFileSize");
  let makeCheckForSessionReset = document.createElement("span");
  makeCheckForSessionReset.style.display = "none";
  makeCheckForSessionReset.id = "checkIfSessionNeedsResetting--__-unlikely_-_name-__--checkIfSessionNeedsResetting";
  let findRightTable = document.getElementsByTagName("table");
  let findRightTableLen = findRightTable.length;
  for (i = 0; i < findRightTableLen; i++) {
   /* this assumes github will not change html symantics */
   let tablePar = findRightTable[i].parentElement;
   if (findRightTable[i] == "div") {
    findRightTable[i].insertAdjacentElement("afterend", makeCheckForSessionReset);
   }
  }
 } else {
  firstRun = 0;
 }
 var setGlobals = function() {
   curPage = location.host + location.pathname;
   apiRoot = "https://api.github.com/repos";
   if (curPage.indexOf("github.com") > -1) {
    let checkRoleRow = document.querySelectorAll('div[role="row"]');
    if (curPage.indexOf("tree") > -1) {
     if (checkRoleRow.length >= 1) {
      onRoot = 1;
      tablePage = 0;
     } else {
      onRoot = 0;
      tablePage = 1;
     }
    } else {
     if (checkRoleRow.length >= 1) {
      onRoot = 1;
      tablePage = 0;
     } else {
      onRoot = 0;
      tablePage = 1;
     }
    }
    if (onRoot == 0 && tablePage == 1) {
     tableRow = document.getElementsByTagName("tr");
     tableRowLen = tableRow.length;
    } else {
     tableRow = document.querySelectorAll('div[role="row"]');
     tableRowLen = tableRow.length;
    }
    turnOff = 0;
    /* extract user and repo */
    curExtract = curPage.substr(curPage.indexOf("/")+1);
    curUser = curExtract.substr(0, curExtract.indexOf("/"));
    curExtract = curExtract.substr(curExtract.indexOf("/")+1);
    if (
     curExtract.indexOf("/") == -1 ||
     curExtract.substr(curExtract.indexOf("/")+1).split("/").length == 2
    ) {
     onRoot = 1;
     if (curExtract.substr(curExtract.indexOf("/")+1).split("/").length == 2) {
      curRepo = curExtract.substr(0, curExtract.indexOf("/"));
     } else {
      curRepo = curExtract;
     }
    } else {
     curRepo = curExtract.substr(0, curExtract.indexOf("/"));
    }
    /* extract current path */
    if (onRoot == 0) {
     curExtract = curExtract.substr(curExtract.substr(curRepo.length+1).indexOf("tree/")+((curRepo.length+1)+5));
     curExtract = curExtract.substr(curExtract.indexOf("/")+1);
    } else {
     curExtract = "";
    }
    curAPI = apiRoot + "/" + curUser + "/" + curRepo + "/contents/" + curExtract;
   } else {
    turnOff = 1;
    return;
   }
 };
 /* function to add size data after json stored */
 var addSizeCol = function(cur) {
  if (turnOff == 1) { return; }
  if (firstRun != 0) { console.log("Add file size bookmarklet running:"); }
  /* reset when dir change*/
  let resetFileSize = function() {
   firstLoad = 0;
   indexSizeID = 0;
   let fileSizeHasID = 0;
   let dataFileSize = document.querySelectorAll("data-file-size");
   let dataFileSizeLen = dataFileSize.length;
   for (r = 0; r < dataFileSizeLen; r++) {
    let curdataFileSize = dataFileSize[r].id;
    if (curdataFileSize.indexOf("fileSize-__-unlikely-name-__-fileSize") > -1) {
     fileSizeHasID = 1;
     let curindexSizeID = document.getElementById(curdataFileSize);
     curindexSizeID.remove();
    } else {
     continue;
    }
   }
   /* redo fetch */
   reGetAPIJSON = async function(api) {
    let a = await fetch(api);
    let b = await a.text();
    let c = await JSON.parse(b);
    let d = await addSizeCol(c);
   };
  };
  /* run if on repo root page out of tree */
  let repoRoot = function(curI) {
   if (tableRow[curI] && tableRow[curI].hasChildNodes()) {
    sizeTD = document.createElement("div");
    sizeTD.style.margin = "0 60px";
    sizeTD.style.width = "10%";
    tableRow[curI].children[1].style.width = "35%";
    if (tableRow[curI].children.length > 1 && tableRow[curI].children[1]) {
     if (tableRow[curI].innerHTML.indexOf('aria-label="Directory"') == -1) {
      sizeTD.dataset.fileSize = "1";
      fileName = tableRow[curI].children[1].innerText;
      for (j in cur) {
       if (cur[j].name == fileName) {
        sizeTD.innerText =
         cur[j].size < 1024 ? cur[j].size + " B" :
         (cur[j].size < 1048576 ? (unit = " KiB", cur[j].size /= 1024) :
         cur[j].size < 1073741824 ? (unit = " MiB", cur[j].size /= 1048576) :
         (unit = " GiB", cur[j].size /= 1073741824),cur[j].size.toFixed(1) + unit);
       }
      }
     sizeTD.id = "fileSize-__-unlikely-name-__-fileSize"+indexSizeID;
     sizeTD.style.color = "#9198a1";
     indexSizeID++;
     } else {
      sizeTD.innerText = "";
     }
     tableRow[curI].children[1].insertAdjacentElement("afterend", sizeTD);
    }
   }
  };
  for (i = 0; i < tableRowLen; i++) {
   if (i == 0) {
    if (tablePage == 1) {
     if (firstLoad == 0) {
      let checkTHID = document.getElementById("sizeCol--__-unlikely_-_name-__--sizeCol");
      if (!checkTHID) {
       sizeTH = document.createElement("th");
       sizeTH.innerHTML = "Size";
       sizeTH.style.width = "10%";
       sizeTH.id = "sizeCol--__-unlikely_-_name-__--sizeCol";
       tableRow[i].children[1].insertAdjacentElement("afterend", sizeTH);
       tableRow[i].children[1].style.width = "30%";
      }
     }
    } else {
     repoRoot(i);
    }
   } else {
    if (i == 1) {
     if (tablePage == 1) {
      if (firstLoad == 0) {
       tableRow[i].children[0].setAttribute("colspan", "4");
       firstLoad = 1;
      } else {
       resetFileSize();
       if (fileSizeHasID == 1) {
        setTimeout(function() {
         setGlobals();
        }, 500);
        if (turnOff == 0) {
         setTimeout(function() {
          reGetAPIJSON(curAPI);
         }, 1000);
        }
        break;
       }
      }
     } else {
      if (firstLoad == 0) {
       repoRoot(i);
      } else {
       resetFileSize();
       if (fileSizeHasID == 1) {
        setTimeout(function() {
         setGlobals();
        }, 500);
        if (turnOff == 0) {
         setTimeout(function() {
          reGetAPIJSON(curAPI);
         }, 1000);
        }
        break;
       }
      }
     }
    } else {
     if (tablePage == 1) {
      sizeTD = document.createElement("td");
      if (tableRow[i] && tableRow[i].hasChildNodes()) {
       if (tableRow[i].children.length > 1 && tableRow[i].children[1]) {
        if (tableRow[i].innerText.indexOf("(Directory)") == -1) {
         sizeTD.dataset.fileSize = "1";
         fileName = tableRow[i].children[1].innerText;
         /*fileName = fileName.substr(0,fileName.indexOf("\n"));*/
         for (j in cur) {
          if (cur[j].name == fileName) {
           sizeTD.innerText =
            cur[j].size < 1024 ? cur[j].size + " B" :
            (cur[j].size < 1048576 ? (unit = " KiB", cur[j].size /= 1024) :
            cur[j].size < 1073741824 ? (unit = " MiB", cur[j].size /= 1048576) :
            (unit = " GiB", cur[j].size /= 1073741824),cur[j].size.toFixed(1) + unit);
          }
         }
        sizeTD.id = "fileSize-__-unlikely-name-__-fileSize"+indexSizeID;
        indexSizeID++;
        } else {
         sizeTD.innerText = "";
        }
        tableRow[i].children[1].insertAdjacentElement("afterend", sizeTD);
       }
      }
     } else {
     repoRoot(i);
     }
    }
   }
  }
 };
 /* get api as text, convert to json, then use json to add size col to table */
 var getAPIJSON = async function(api) {
  let a = await fetch(api);
  let b = await a.text();
  let c = await JSON.parse(b);
  let d = await addSizeCol(c);
 };
 /* run bookmarklet according to current directory */
 var runBookmarklet = function() {
  insertBookmarkletStyle();
  setGlobals();
  if (turnOff == 0) {
   setTimeout(function() { getAPIJSON(curAPI); }, 1000);
  } else {
   return;
  }
 };
 if (firstRun == 1) {
  runBookmarklet();
 } else {
  let checkIfSessionNeedsResetting =
   document.getElementById("checkIfSessionNeedsResetting--__-unlikely_-_name-__--checkIfSessionNeedsResetting");
  if (!checkIfSessionNeedsResetting) { sessionNeedsResetting = 1; }
 }
 /* create or change col with file size */
 var checkForChangeDir = function() {
  if (curDir !== window.location.href && turnOff == 0) {
   curDir = window.location.href;
   runBookmarklet();
  }
  if (turnOff == 0) {
   setTimeout(checkForChangeDir, 1000);
  } else {
   console.log("Add file size bookmarklet did not run:");
   return;
  }
 };
 if (sessionNeedsResetting == 1) {
  sessionNeedsResetting = 0;
  sessionStorage.removeItem("showFileSize-,._.,-|__--_unlikely-_-name_--__|-,._.,-showFileSize");
  firstRun = 1;
  runBookmarklet();
 }
 if (turnOff == 0) {
  checkForChangeDir();
 } else {
  console.log("Add file size bookmarklet is not running:");
  return;
 }
})();