Function findPostName

scripts/insta_injectDownloadBtn.js:686–716

(articleNode)

        }

        function findPostName(articleNode) {
          // this grabs the username link that is visually in the author's post comment below the media
          // 'article section' includes the likes section and comment box
          // '+ * a' pulls the first element after the section that contains a link (comment box doesn't)
          // '[href^="/"][href$="/"]' requires the href attribute to begin and end with a slash to match a username
          let imgNoCanvas = articleNode.querySelector(
            'article section + * a[href^="/"][href$="/"]'
          );
          if (imgNoCanvas) {
            return imgNoCanvas;
          }

          // videos are handled differently
          let imgAlt = articleNode.querySelector("canvas ~ * img");
          if (imgAlt) {
            imgAlt = imgAlt.getAttribute("alt");
            let links = articleNode.querySelectorAll("a");
            for (let i = 0; i < links.length; i++) {
              const posterName = links[i]
                .getAttribute("href")
                .replace(/\//g, "");
              if (imgAlt.includes(posterName)) {
                return links[i];
              }
            }
          } else {
            // first H2 with a direction set
            const el = document.querySelector("h2[dir]");
            return el.innerText;
          }
        }

        function findPostId(articleNode) {
          let aNodes = articleNode.querySelectorAll("a");