markdown_link_checker_sc/src/helpers.js

Markdown Link Checker

import fs from "fs/promises";
import path from "path";
import { sharedData } from "./shared_data.js";

// Call at start of function to ease logging to console.
function logFunction(name, ...args) {
  sharedData.options.log.includes("functions")
    ? console.log(`${name}: ${args.join(", ")}`)
    : null;
}

// Log data to specified file path, replacing file.
async function logToFile(filePath, dataString) {
  sharedData.options.log.includes("functions")
    ? console.log(`Function: logToFile(${filePath}, dataString))`)
    : null;
  if (!sharedData.options.logtofile) {
    return;
  }

  try {
    await fs.mkdir(path.dirname(filePath), { recursive: true });

    await fs.writeFile(filePath, dataString);
    //console.log("Data written to file");
  } catch (err) {
    console.error(err);
  }
}

const imageExtensions = new Set([
  ".jpg",
  ".jpeg",
  ".png",
  ".svg",
  ".gif",
  ".webm",
]);

// Return true if file is an image.
//Just looks at file extension.
function isImage(file) {
  const fileExtension = path.extname(file).toLowerCase();
  return imageExtensions.has(fileExtension) ? true : false;
}

function isMarkdown(file) {
  const fileExtension = path.extname(file).toLowerCase();
  return fileExtension === ".md" ? true : false;
}

function isHTML(file) {
  const fileExtension = path.extname(file).toLowerCase();
  //console.log(`ext: ${fileExtension}`);
  return fileExtension === ".html" || fileExtension === ".htm" ? true : false;
}

export { logToFile, logFunction, isImage, isMarkdown, isHTML };