Getting image path from 11tydata in a folder for 11ty image plugin

[inetbiz]

So, I'd like to keep images seperated by collectionGlob. Each collection has an image folder. When calling a nunjucks plugin to process the image, I'd like it to tell the folder path + src. That I would like to come from a folder data file either json or js. Just unsure how to go about doing it?

in _11ty/image.js

const Image = require("@11ty/eleventy-img");
const path = require("path");
const fs = require("fs");

module.exports = function(src, alt, widths, sizes, classattr) {
  // src input same as 'normal' site-relative path for convenience, so add base path:
  src = collectionpath + src;
  let ext = src.substr(src.lastIndexOf(".") + 1);
  let currentFormat = ext == "png" ? "png" : "jpeg";
  let srcset = [100, 320, 640, 1024, 1536, 2048];
  if (widths) {
    widthsArray = widths.split(",");
    srcset = widthsArray.map(n => Number(n));
  }
  let options = {
    urlPath: collectionpath,
    outputDir: collectionpath,

One of the collection folders has foldername.11tydata.js

const todaysDate = new Date();
const isDev = require("../_data/isdevelopment")();

function showDraft(data) {
  if (isDev) return true;
  const isDraft = "draft" in data && data.draft !== false;
  const isPostInFuture =
    "scheduled" in data ? data.scheduled > todaysDate : false;
  return !isDraft && !isPostInFuture;
}
const collectionpath = "/technical-seo/images";
module.exports = () => {
  return {
    eleventyComputed: {
      eleventyExcludeFromCollections: (data) =>
        showDraft(data) ? data.eleventyExcludeFromCollections : true,
        permalink: (data) => (showDraft(data) ? data.permalink : false),
    },
    collectionpath
  };
};

So, I need to tell image.js to LOOK in the folder and read the 11tydata and establish what the path variable will be to create the image. Haven't figured out cache yet.