No Vendor Lock-In

\documentclass[a4paper, serif, <= &layout.typography.fontSize =>]{moderncv}
\usepackage{fontawesome5}
 
\moderncvstyle{banking}
\moderncvcolor{black}
\usepackage[utf8]{inputenc}
 
% page layout/margin control
\usepackage[top=<= &layout.margins.top =>,
bottom=<= &layout.margins.bottom=>,
left=<= &layout.margins.left=>,
right=<= &layout.margins.right=>]{geometry}
 
<= #layout.computed.environment.isSpanish =>
\usepackage[T1]{fontenc}
% [spanish]{babel} has some conflicting issues with moderncv, ref:
% https://tex.stackexchange.com/a/140161/36007
\usepackage[spanish,es-lcroman]{babel}
<= /layout.computed.environment.isSpanish =>
 
% English font settings
\defaultfontfeatures{Ligatures=TeX}
\setmainfont[Ligatures={Common}, Numbers={<= &layout.typography.fontSpec.numbers =>}, <= #layout.computed.environment.isCJK =>ItalicFont={<= &layout.computed.environment.mainFont =>}, <= /layout.computed.environment.isCJK =>Variant=01]{<= &layout.computed.environment.mainFont =>}
 
\name{<= &content.basics.name =>}{}
\title{<= &content.basics.headline =>}
 
<= #content.basics.phone =>
\phone[mobile]{<= &content.basics.phone =>}
<= /content.basics.phone =>
 
<= #content.basics.email =>
\email{<= &content.basics.email =>}
<= /content.basics.email =>
 
<= #content.computed.urls =>
\extrainfo{<= &content.computed.urls =>}
<= /content.computed.urls =>
 
<= #content.location.computed.fullAddress =>
\address{<= &content.location.computed.fullAddress =>}{}{}
<= /content.location.computed.fullAddress =>
 
<= ^layout.page.showPageNumbers =>
\nopagenumbers{}
<= /layout.page.showPageNumbers =>
 
\begin{document}
\maketitle
 
<= #content.basics.computed.summary =>
\section{<= &content.computed.sectionNames.basics =>}
\cvitem{}{\begin{minipage}{\textwidth}<= &content.basics.computed.summary =>\end{minipage}}
<= /content.basics.computed.summary =>
 
<= #content.education.length =>
\section{<= &content.computed.sectionNames.education =>}
<= /content.education.length =>
 
<= #content.education =>
\cventry{<= #computed.startDate =><= &computed.dateRange =><= /computed.startDate =>}
{<= #computed.degreeAreaAndScore =><= &computed.degreeAreaAndScore =><= /computed.degreeAreaAndScore =>}
{<= &institution =>}
{\href{<= &url =>}{<= &url =>}}
{}
{\begin{minipage}{\textwidth}
<= &computed.summary =>%
<= #computed.courses =>\textbf{<= &templateTranslations.terms.Courses =>}<= &templateTranslations.punctuations.Colon =><= &computed.courses =><= /computed.courses =>%
\end{minipage}}
<= /content.education =>
 
<= #content.work.length =>
\section{<= &content.computed.sectionNames.work =>}
<= /content.work.length =>
 
<= #content.work =>
\cventry{<= #computed.startDate =><= &computed.dateRange =><= /computed.startDate =>}
{<= &position =>}
{<= &name =>}
{\href{<= &url =>}{<= &url =>}}
{}
{\begin{minipage}{\textwidth}
<= &computed.summary =>%
<= #computed.keywords =>\textbf{<= &templateTranslations.terms.Keywords =>}<= &templateTranslations.punctuations.Colon =><= &computed.keywords =><= /computed.keywords =>%
\end{minipage}}
<= /content.work =>
 
<= #content.languages.length =>
\section{<= &content.computed.sectionNames.languages =>}
<= /content.languages.length =>
 
<= #content.languages =>
\cvlanguage{<= &computed.language =>}{<= &computed.fluency =>}{}
<= /content.languages =>
 
<= #content.skills.length =>
\section{<= &content.computed.sectionNames.skills =>}
<= /content.skills.length =>
 
<= #content.skills =>
\cvlanguage{<= &name =>}{<= &computed.level =>}{<= #computed.keywords =>\textbf{<= &templateTranslations.terms.Keywords =>}<= &templateTranslations.punctuations.Colon =><= &computed.keywords =><= /computed.keywords =>}
<= /content.skills =>
 
\end{document}

export const generatePDFHandler: PayloadHandler = async (req, res) => {
  const { slug } = req.body
 
  // Step 0: get resume and template
  const resume = await findResume(req)
  const template = await findTemplate()
 
  // Step 1: render resume content to tex
  const resumeTeXContent = resumeToTeX(resume as Resume, template)
 
  // Step 2: prepare temp directory for compiling tex to pdf
  const { resumeTexDir, resumeTexFile } = await prepareTeXDir(
    req,
    resumeTeXContent
  )
 
  // Step 3: compile tex to pdf
  const resumePDFFile = await compileTeXToPDF(resumeTexDir, resumeTexFile)
 
  // Step 4: return the pdf file
  // ...
}

class ModerncvBase extends Renderer {
  style: ModerncvStyle
 
  constructor(resume: Resume, style: ModerncvStyle) {
    super(transformResume(resume))
    this.style = style
  }
 
  renderPreamble(): string {
    return joinNonEmptyString([
      // document class
      renderDocumentClassConfig(this.resume, DocumentClass.Moderncv),
      renderModerncvConfig(this.resume, this.style),
 
      // layout
      renderLayoutConfig(this.resume),
 
      // language specific
      renderCTeXConfig(this.resume),
      renderSpanishConfig(this.resume),
 
      // fontspec
      // note that loading order of fontspec and babel packages matters here
      // babel package should be loaded before fontspec package, otherwise
      // Spanish resumes cannot render correct font styles in my testing,
      // reason still unknown though
      renderFontspecConfig(this.resume),
    ])
  }
 
  renderBasics(): string {
    const {
      content: {
        basics: { name, headline, phone, email },
      },
    } = this.resume
 
    return joinNonEmptyString(
      [
        showIf(!isEmptyString(name), `\\name{${name}}{}`),
        showIf(!isEmptyString(headline), `\\title{${headline}}`),
        showIf(!isEmptyString(phone), `\\phone[mobile]{${phone}}`),
        showIf(!isEmptyString(email), `\\email{${email}}`),
      ],
      '\n'
    )
  }
 
  renderLocation(): string {
    // render location
  }
 
  renderProfiles(): string {
    // render profiles
  }
 
  renderSummary(): string {
    // render summary
  }
 
  renderEducation(): string {
    const {
      content: {
        computed: { sectionNames },
        education,
      },
      layout,
    } = this.resume
 
    const {
      punctuations: { Colon },
      terms: { Courses },
    } = getTemplateTranslations(layout.locale?.language)
 
    if (!education.length) {
      return ''
    }
 
    return `\\section{${sectionNames.education}}
 
${education
  .map(
    ({
      computed: { startDate, dateRange, degreeAreaAndScore, summary, courses },
      institution,
      url,
    }) => `\\cventry{${showIf(!isEmptyString(startDate), dateRange)}}
        {${degreeAreaAndScore}}
        {${institution}}
        {\\href{${url}}{${url}}}
        {}
        {${showIf(
          !isEmptyString(summary) || !isEmptyValue(courses),
          `${joinNonEmptyString(
            [
              summary,
              showIf(
                !isEmptyValue(courses),
                `\\textbf{${Courses}}${Colon}${courses}`
              ),
            ],
            '\n'
          )}`
        )}}`
  )
  .join('\n\n')}`
  }
 
  renderWork(): string {
    // render work
    // ...
  }
 
  renderLanguages(): string {
    // render languages
    // ...
  }
 
  renderAwards(): string {
    // render awards
    // ...
  }
 
  renderPublications(): string {
    // render publications
    // ...
  }
 
  renderReferences(): string {
    // render references
    // ...
  }
 
  renderProjects(): string {
    // render projects
    // ...
  }
 
  renderInterests(): string {
    // render interests
    // ...
  }
 
  render(): string {
    return this.generateTeX()
  }
 
  private generateTeX(): string {
    return `${joinNonEmptyString([
      this.renderPreamble(),
      this.renderBasics(),
      this.renderLocation(),
      this.renderProfiles(),
    ])}
 
\\begin{document}
 
\\maketitle
 
${joinNonEmptyString([
  this.renderSummary(),
  this.renderEducation(),
  this.renderWork(),
  this.renderLanguages(),
  this.renderSkills(),
  this.renderAwards(),
  this.renderCertificates(),
  this.renderPublications(),
  this.renderReferences(),
  this.renderProjects(),
  this.renderInterests(),
  this.renderVolunteer(),
])}
\\end{document}`
  }
}