jingo/routes/search.js

var router = require("express").Router(),
    path = require("path")
    models = require("../lib/models");

models.use(Git);

router.get("/search", _getSearch);

function _getSearch(req, res) {

  var items = [],
      record;

  res.locals.matches = [];

  if (req.query.term) {
    res.locals.term = req.query.term.trim();
  } else {
    res.locals.term = "";
  }

  if (res.locals.term.length == 0) {
    renderResults();
    return;
  }

  if (res.locals.term.length < 2) {

    res.locals.warning = "Search string is too short.";
    renderResults();
  } else {

    try {
      new RegExp(res.locals.term);
    } catch(e) {
      res.locals.warning = "The format of the search string is invalid.";
      renderResults();
      return;
    }

    models.pages.findStringAsync(res.locals.term).then(function(items) {

      items.forEach(function(item) {
        if (item.trim() !== "") {
          record = item.split(":");
          res.locals.matches.push({
            pageName: path.basename(record[0].split(".")[0]),
            line: record[1] ? ":" + record[1] : "",
            text: record.slice(2).join('')
          });
        }
      });

      renderResults();
    });
  }

  function renderResults() {
    res.render("search", {
      title: "Search results"
    });
  }
}

module.exports = router;