// This script copies src/index.html into /dist/index.html
// and adds TrackJS error tracking code for use in production
// when useTrackJs is set to true below and a trackJsToken is provided.
// This is a good example of using Node and cheerio to do a simple file transformation.
// In this case, the transformation is useful since we only want to track errors in the built production code.
// Allowing console calls below since this is a build file.
/*eslint-disable no-console */
import fs from 'fs';
import colors from 'colors';
import cheerio from 'cheerio';
const useTrackJs = true; // If you choose not to use TrackJS, just set this to false and the build warning will go away.
const trackJsToken = ''; // If you choose to use TrackJS, insert your unique token here. To get a token, go to https://trackjs.com
fs.readFile('src/index.html', 'utf8', (err, markup) => {
if (err) {
return console.log(err);
}
const $ = cheerio.load(markup);
// since a separate spreadsheet is only utilized for the production build, need to dynamically add this here.
$('head').prepend('');
if (useTrackJs) {
if (trackJsToken) {
const trackJsCode = ``;
$('head').prepend(trackJsCode); // add TrackJS tracking code to the top of
} else {
console.log('To track JavaScript errors, sign up for a free trial at TrackJS.com and enter your token in /tools/build.html on line 10.'.yellow);
}
}
fs.writeFile('dist/index.html', $.html(), 'utf8', function (err) {
if (err) {
return console.log(err);
}
});
console.log('index.html written to /dist'.green);
});