import { visit } from "unist-util-visit"; const regex = /\!\[\[(([a-z\-_0-9\\/\:]+\s*)+\.(jpg|jpeg|png|gif|svg|webp))]]/gi; function convertTextNode(node) { const searchText = node.value; /* This regex MATCH following type of image link ![[youtube.png]] ==> Image with no folder path, no space in between ![[a .png]] ==> with space ![[tuancao/a.png]] ==> file path WITHOUT space ![[tuancao/a .png]] ==> file path WITH space Image with extension: jpg, jpeg, gif, svg, webp, png ![[/tuancao/a.jpg]] ![[/tuancao/a.webp]] ![[/tuancao/a.png]] ![[/tuancao/a.jpeg]] ... --- Will NOT match following case [[picture.jpg]] ==> Link without "!" at the begining won't match ![[abc]] ==> without the extension ![[/tuancao/a.md]] ==> Unsupported format ![[/tuancao/a.mp4]]==> Unsupported format */ // if (typeof searchText !== "string") { // console.log("The fuck???") // return node // } // if (!regex.test(node.value)) return node const matches = searchText.matchAll( regex ); let startIndex = 0; let endIndex = searchText.length; let children = []; for (const match of matches) { endIndex = match.index; // Constructing text node from un-matched string const textNode = { // change type child node, so that visit() function won't recursively visit this node with "text" type type: "text-temp", value: searchText.substring(startIndex, endIndex), }; // if (typeof textNode.value ==='string' && textNode.value.length > 0) { // children.push(textNode); // } else { // console.log("THE FUCK") // } const imageNode = { type: "myImage", url: encodeURI(match[1]), //encode white space from file name alt: match[1], }; children.push(imageNode); if (typeof match[0] !== "string") { console.log("THE FUCK again") } let matchEndIndex = match.index + match[0].length; startIndex = matchEndIndex; } if (startIndex < searchText.length) { const textNode = { type: "text-temp", value: searchText.substring(startIndex, searchText.length), }; children.push(textNode); } return { type: "paragraph", children: children, }; } export default function attacher(options) { return function transformer(tree, vfile) { visit(tree, "text", (node) => { const newNode = convertTextNode(node); node.type = "paragraph"; node.children = newNode.children; }); // Change back "text-temp" node ==> "text" to clean up visit(tree, "text-temp", (node) => { node.type = "text"; }); return tree; }; }