Function compileTemplate

packages/create/scripts/generate-manifest.mjs:206–253

(template)

}

function compileTemplate(template) {
  const regex = /<%([=_#-]?|_)?([\s\S]*?)([-_]?%>)/g
  let cursor = 0
  let trimLeadingWhitespace = false
  const lines = []

  function appendText(value) {
    if (!value) {
      return
    }
    lines.push(`  __append(${JSON.stringify(value)})`)
  }

  for (const match of template.matchAll(regex)) {
    let text = template.slice(cursor, match.index)
    if (trimLeadingWhitespace) {
      text = text.replace(/^\s*\r?\n?/, '')
      trimLeadingWhitespace = false
    }
    if (match[1] === '_') {
      text = text.replace(/\s*$/, '')
    }
    appendText(text)

    const marker = match[1] || ''
    const code = match[2]
    const close = match[3]

    if (marker === '=') {
      lines.push(`  __append(__escapeXML(${stripSemicolon(code.trim())}))`)
    } else if (marker === '-') {
      lines.push(`  __append(${stripSemicolon(code.trim())})`)
    } else if (marker !== '#') {
      lines.push(code)
    }

    trimLeadingWhitespace = close.startsWith('-') || close.startsWith('_')
    cursor = match.index + match[0].length
  }

  let tail = template.slice(cursor)
  if (trimLeadingWhitespace) {
    tail = tail.replace(/^\s*\r?\n?/, '')
  }
  appendText(tail)

  return lines.join('\n')
}

function createTemplateRendererSource(renderers = templateRenderers) {
  const entries = Array.from(renderers.entries()).sort(([a], [b]) =>