Parse code blocks in Scrapbox pages

scrapbox-parse-code-blocks.js

const traverseCodeBlock = ({ fileNamePattern, perLine, preBlock, postBlock }) => [...document.querySelectorAll(".code-block")].filter(el => el.children[1].firstChild.className === "code-start" && fileNamePattern.test(el.textContent)).map(el => {
  let line = el.parentElement, classList;
  preBlock && preBlock(line);
  line = line.nextSibling;
  while (line && [...line.children[1].classList].indexOf("code-block") >= 0) {
    perLine && perLine(line); line = line.nextSibling;
  }
  postBlock && postBlock(line);
});

const getScripts = (fileNamePattern) => {
  let content, scripts = [];
  traverseCodeBlock({
    fileNamePattern,
    preBlock() { content = []; },
    perLine(line) { content.push(line.textContent); },
    postBlock() { scripts.push(content.join("\n")); }
  });
  return scripts;
}

const json = getScripts(/.+\.json$/).map(script => {
  try { return JSON.parse(script); }
  catch (e) { return {}; }
});

console.log("json data:", json)