intl-watcher/lib/utils.js

Automated translation key extraction and dictionary management plugin for Next.js

import fs from "node:fs";
import lodash from "lodash";
import { log } from "./logger.js";
function runOnce(fn) {
  if (process.env.__INTL_WATCHER_INITIALIZED === "true") {
    return;
  }
  process.env.__INTL_WATCHER_INITIALIZED = "true";
  fn();
}
function readDictionaryFile(filepath) {
  try {
    const content = fs.readFileSync(filepath).toString();
    return JSON.parse(content);
  } catch (e) {
    log.warn(`Error reading dictionary file at \`${filepath}\`: ${e}`);
    return {};
  }
}
function writeDictionaryFile(filepath, messages) {
  const newContent = `${JSON.stringify(messages, void 0, "	")}
`;
  let currentContent = null;
  try {
    currentContent = fs.readFileSync(filepath, "utf8");
  } catch (_error) {
  }
  if (currentContent !== newContent) {
    fs.writeFileSync(filepath, newContent, { flag: "w" });
  }
}
function formatDuration(ms) {
  if (ms < 1e3) {
    return `${ms.toFixed(0).toLocaleString()}ms`;
  }
  return `${(ms / 1e3).toPrecision(2).toLocaleString()}s`;
}
function flattenDictionary(dictionary, prefix = "") {
  return lodash.reduce(
    dictionary,
    (acc, value, key) => {
      const prefixedKey = prefix ? `${prefix}.${key}` : key;
      if (lodash.isPlainObject(value)) {
        lodash.assign(acc, flattenDictionary(value, prefixedKey));
      } else {
        acc[prefixedKey] = value;
      }
      return acc;
    },
    {}
  );
}
function unflattenDictionary(dictionary) {
  return lodash.reduce(
    dictionary,
    (acc, value, key) => {
      lodash.set(acc, key, value);
      return acc;
    },
    {}
  );
}
function getCommonPrefix(words) {
  if (!words[0] || words.length === 1) {
    return words[0] ?? "";
  }
  let i = 0;
  while (words[0][i] && words.every((w) => w[i] === words[0][i])) {
    i++;
  }
  return words[0].slice(0, i);
}
export {
  flattenDictionary,
  formatDuration,
  getCommonPrefix,
  readDictionaryFile,
  runOnce,
  unflattenDictionary,
  writeDictionaryFile
};