Generates a JSON index file that can be used for searching on your static site.

search.js

const toml = require("toml");
const fs = require("fs");
const path = require("path");

const inDirectory = path.join(__dirname, "..", "content", "posts");
const outDirectory = path.join(__dirname, "..", "static", "assets", "js");

class Index {
  filePathQueue = [];
  indexes = [];

  slugify(title) {
    return title.toLowerCase().replace(/\s+/g, "-");
  }

  getItems(dir) {
    try {
      let items = fs.readdirSync(dir);
      items.forEach((item) => {
        let stat = fs.statSync(path.join(dir, item));
        if (stat && stat.isDirectory()) {
          this.getItems(path.join(dir, item));
        } else {
          if (!item.includes("git")) {
            console.log("Found");
            this.filePathQueue.push(path.join(dir, item));
          }
        }
      });
    } catch (err) {
      console.log(err);
    }
    return this;
  }

  parseFiles() {
    this.filePathQueue.forEach((file) => {
      try {
        let contents = fs.readFileSync(file, "utf8");
        let parts = contents.split("+++");

        if (parts.length in [0, 1]) {
          return;
        }

        let frontMatter = toml.parse(parts[1].trim());

        // windows currently
        let pathParts = file.split("\\");
        // check if file in sub post directory
        let category = pathParts[pathParts.length - 2];
        let hrefDirectory = "/posts/";
        if (category != "posts") {
          hrefDirectory = `/posts/${category.toLowerCase()}/`;
        }

        let searchTemplate = {
          title: frontMatter.title,
          tags: frontMatter.tags,
          href: `${hrefDirectory}${this.slugify(frontMatter.title)}`,
          excerpt: frontMatter.excerpt,
        };
        this.indexes.push(searchTemplate);
      } catch (err) {
        console.log(err);
      }
    });
    return this;
  }

  index(dir) {
    fs.writeFileSync(
      path.join(dir, "search.json"),
      JSON.stringify(this.indexes)
    );
  }
}

new Index().getItems(inDirectory).parseFiles().index(outDirectory);