function getPackageNameFromTemplate()

in src/cmd/build.js [85:112]

• 24 lines of code
• 3 McCabe index (conditional complexity)

function getPackageNameFromTemplate(filenameTemplate, manifestData) {
  const packageName = filenameTemplate.replace(
    /{([A-Za-z0-9._]+?)}/g,
    (match, manifestProperty) => {
      return safeFileName(
        getStringPropertyValue(manifestProperty, manifestData),
      );
    },
  );

  // Validate the resulting packageName string, after interpolating the manifest property
  // specified in the template string.
  const parsed = path.parse(packageName);
  if (parsed.dir) {
    throw new UsageError(
      `Invalid filename template "${filenameTemplate}". ` +
        `Filename "${packageName}" should not contain a path`,
    );
  }
  if (!['.zip', '.xpi'].includes(parsed.ext)) {
    throw new UsageError(
      `Invalid filename template "${filenameTemplate}". ` +
        `Filename "${packageName}" should have a zip or xpi extension`,
    );
  }

  return packageName;
}