translate-maker/dist/filters/plural.js

Lightweight translation module. Internationalize your great project.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = plural;

var _find = _interopRequireDefault(require("lodash/find"));

var _getPlural = _interopRequireDefault(require("../utils/getPlural"));

function getValue(data, key, defaultValue) {
  const items = data || [];
  const option = (0, _find.default)(items, item => item.key === key);
  return option ? option.value : defaultValue;
}

function plural(value, part, attrs, metadata, ...args) {
  const {
    locale
  } = this.getOptions();
  const numberValue = Number(value);
  const currentPlural = (0, _getPlural.default)(locale, 'en');
  const pluralValue = currentPlural(numberValue);
  const offset = getValue(metadata, 'offset', 0);
  const smartValue = offset ? numberValue - offset : value; // try to find exact value

  const exactKey = `=${numberValue}`;
  let option = null;
  let defaultOption = null;
  const exactOption = (0, _find.default)(args, arg => {
    if (arg.type !== 'pair') {
      return false;
    }

    const key = typeof arg.key === 'string' ? arg.key.toLowerCase() : arg.key;

    if (!key || key === 'other') {
      defaultOption = arg;
    } else if (key === exactKey) {
      return true;
    } else if (key === pluralValue) {
      option = arg;
    }

    return undefined;
  });

  if (exactOption) {
    return this.buildText(exactOption.value, attrs, smartValue);
  } else if (option) {
    return this.buildText(option.value, attrs, smartValue);
  } else if (defaultOption) {
    return this.buildText(defaultOption.value, attrs, smartValue);
  }

  return undefined;
}
//# sourceMappingURL=plural.js.map