next-intl/dist/esm/development/extractor/utils.js

Internationalization (i18n) for Next.js

import path from 'path';

function normalizePathToPosix(filePath) {
  // `path.relative` uses OS-specific separators. For stable `.po` references we
  // always use POSIX separators, regardless of the OS that ran extraction.
  return path.posix.normalize(filePath.split(path.win32.sep).join(path.posix.sep));
}

// Essentialls lodash/set, but we avoid this dependency
function setNestedProperty(obj, keyPath, value) {
  const keys = keyPath.split('.');
  let current = obj;
  for (let i = 0; i < keys.length - 1; i++) {
    const key = keys[i];
    if (!(key in current) || typeof current[key] !== 'object' || current[key] === null) {
      current[key] = {};
    }
    current = current[key];
  }
  current[keys[keys.length - 1]] = value;
}
function getSortedMessages(messages) {
  return messages.toSorted((messageA, messageB) => {
    const refA = messageA.references?.[0];
    const refB = messageB.references?.[0];

    // No references: preserve original (extraction) order
    if (!refA || !refB) return 0;

    // Sort by path, then line. Same path+line: preserve original order
    return compareReferences(refA, refB);
  });
}
function localeCompare(a, b) {
  return a.localeCompare(b, 'en');
}
function compareReferences(refA, refB) {
  const pathCompare = localeCompare(refA.path, refB.path);
  if (pathCompare !== 0) return pathCompare;
  return (refA.line ?? 0) - (refB.line ?? 0);
}
function getDefaultProjectRoot() {
  return process.cwd();
}

export { compareReferences, getDefaultProjectRoot, getSortedMessages, localeCompare, normalizePathToPosix, setNestedProperty };