index.js

const fs = require("fs");
const path = require('path')
const Handlebars = require("handlebars");

const extname = '.hbs'
const partialsDir = path.join(__dirname, 'partials')

fs.readdirSync(partialsDir)
  .filter(filename => path.extname(filename) === extname)
  .map(filename => [
    filename,
    fs.readFileSync(path.join(partialsDir, filename), 'utf8'),
  ])
  .forEach(([filename, template]) =>
    Handlebars.registerPartial(path.basename(filename, extname), template),
  )

// Strip URL display chrome for visual cleanliness in the rendered resume:
// removes the protocol (https://), the www. prefix, and any trailing slash
// so "https://www.linkedin.com/in/aegershman/" renders as "linkedin.com/in/aegershman".
Handlebars.registerHelper('STRIP_PROTOCOL', urlStr =>
  urlStr.replace(/^https?:\/\//, '').replace(/^www\./, '').replace(/\/$/, '')
)

Handlebars.registerHelper('MONTH_YEAR', dateString =>
  // https://dockyard.com/blog/2020/02/14/you-probably-don-t-need-moment-js-anymore
  // https://stackoverflow.com/questions/5619202/parsing-a-string-to-a-date-in-javascript
  new Date(dateString + "T00:00:00").toLocaleDateString('en-US', {
    month: 'short',
    year: 'numeric',
  })
);

Handlebars.registerHelper('IF_DATES_HAVE_SAME_MONTH_AND_YEAR', function (arg1, arg2) {
  // prevents situation where we render same month/date combination
  // such as "Sept. 2020 - Sept. 2020"
  const d1 = new Date(arg1 + "T00:00:00")
  const d2 = new Date(arg2 + "T00:00:00")
  const matchingYear = d1.getFullYear() == d2.getFullYear()
  const matchingMonth = d1.getMonth() == d2.getMonth()
  return (matchingYear && matchingMonth)
});

Handlebars.registerHelper('join', (arr, separator) =>
  arr.join(typeof separator === 'string' ? separator : ', '),
)

// FORMAT_PHONE replaces spaces with   and hyphens with ‑ (non-breaking variants)
// to prevent browsers from wrapping phone numbers mid-digit (e.g. "(912) 555-" / "4321").
// Triple braces {{{FORMAT_PHONE phone}}} are required in the template so Handlebars
// does not double-escape the HTML entities.
//
// The phone number was just rendered as plain text via {{phone}} in the template. We added it because
// html-validate was flagging it with the tel-non-breaking rule, which was blocking the HTML
// validation test from passing.
Handlebars.registerHelper('FORMAT_PHONE', phone =>
  new Handlebars.SafeString(
    phone.replace(/ /g, ' ').replace(/-/g, '‑')
  )
)

Handlebars.registerHelper('STATE_ABBREVIATION_TO_FULL_NAME', (state) => {
  const stateList = {
    AZ: 'Arizona',
    AL: 'Alabama',
    AK: 'Alaska',
    AR: 'Arkansas',
    CA: 'California',
    CO: 'Colorado',
    CT: 'Connecticut',
    DC: 'District of Columbia',
    DE: 'Delaware',
    FL: 'Florida',
    GA: 'Georgia',
    HI: 'Hawaii',
    ID: 'Idaho',
    IL: 'Illinois',
    IN: 'Indiana',
    IA: 'Iowa',
    KS: 'Kansas',
    KY: 'Kentucky',
    LA: 'Louisiana',
    ME: 'Maine',
    MD: 'Maryland',
    MA: 'Massachusetts',
    MI: 'Michigan',
    MN: 'Minnesota',
    MS: 'Mississippi',
    MO: 'Missouri',
    MT: 'Montana',
    NE: 'Nebraska',
    NV: 'Nevada',
    NH: 'New Hampshire',
    NJ: 'New Jersey',
    NM: 'New Mexico',
    NY: 'New York',
    NC: 'North Carolina',
    ND: 'North Dakota',
    OH: 'Ohio',
    OK: 'Oklahoma',
    OR: 'Oregon',
    PA: 'Pennsylvania',
    RI: 'Rhode Island',
    SC: 'South Carolina',
    SD: 'South Dakota',
    TN: 'Tennessee',
    TX: 'Texas',
    UT: 'Utah',
    VT: 'Vermont',
    VA: 'Virginia',
    WA: 'Washington',
    WV: 'West Virginia',
    WI: 'Wisconsin',
    WY: 'Wyoming',
    AS: "American Samoa",
    GU: "Guam",
    MP: "Northern Mariana Islands",
    PR: "Puerto Rico",
    VI: "U.S. Virgin Islands",
    UM: "U.S. Minor Outlying Islands"
  }
  if (stateList[state] != null) {
    return stateList[state];
  }
  return state;
})

Handlebars.registerHelper('STATE_NAME_TO_ABBREVIATION', (state) => {
  const stateList = {
    'Arizona': 'AZ',
    'Alabama': 'AL',
    'Alaska': 'AK',
    'Arkansas': 'AR',
    'California': 'CA',
    'Colorado': 'CO',
    'Connecticut': 'CT',
    'Delaware': 'DE',
    'Florida': 'FL',
    'Georgia': 'GA',
    'Hawaii': 'HI',
    'Idaho': 'ID',
    'Illinois': 'IL',
    'Indiana': 'IN',
    'Iowa': 'IA',
    'Kansas': 'KS',
    'Kentucky': 'KY',
    'Louisiana': 'LA',
    'Maine': 'ME',
    'Maryland': 'MD',
    'Massachusetts': 'MA',
    'Michigan': 'MI',
    'Minnesota': 'MN',
    'Mississippi': 'MS',
    'Missouri': 'MO',
    'Montana': 'MT',
    'Nebraska': 'NE',
    'Nevada': 'NV',
    'New Hampshire': 'NH',
    'New Jersey': 'NJ',
    'New Mexico': 'NM',
    'New York': 'NY',
    'North Carolina': 'NC',
    'North Dakota': 'ND',
    'Ohio': 'OH',
    'Oklahoma': 'OK',
    'Oregon': 'OR',
    'Pennsylvania': 'PA',
    'Rhode Island': 'RI',
    'South Carolina': 'SC',
    'South Dakota': 'SD',
    'Tennessee': 'TN',
    'Texas': 'TX',
    'Utah': 'UT',
    'Vermont': 'VT',
    'Virginia': 'VA',
    'Washington': 'WA',
    'West Virginia': 'WV',
    'Wisconsin': 'WI',
    'Wyoming': 'WY'
  }
  if (stateList[state] != null) {
    return stateList[state];
  }
  return state;
})

exports.render = resume => {
  const css = fs.readFileSync(path.join(__dirname, 'style.css'), 'utf-8')
  const template = fs.readFileSync(path.join(__dirname, 'resume.hbs'), 'utf-8')

  return Handlebars.compile(template)({ css, resume })
    // Handlebars leaves trailing whitespace on lines from {{#if}} blocks that render empty; strip it to satisfy html-validate's no-trailing-whitespace rule
    .replace(/[^\S\n]+$/gm, '')
}