elliptical-datetime/lib-node/duration.js

Elliptical phrases to handle natural language dates and times

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Duration = exports.TimeDuration = exports.DateDuration = undefined;

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

var _elliptical = require('elliptical');

var _ellipticalNumber = require('elliptical-number');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function isUnique(array) {
  return _lodash2.default.uniq(array).length === array.length;
} /** @jsx createElement */


function filterBase(option) {
  return isUnique(_lodash2.default.map(option.result, 'id'));
}

const BaseDuration = {
  mapResult(result) {
    const newResult = {};
    _lodash2.default.forEach(result, ({ num, type }) => {
      newResult[type] = (newResult[type] || 0) + num;
    });
    return newResult;
  },

  describe({ props, children }) {
    return (0, _elliptical.createElement)(
      'placeholder',
      {
        label: props.label,
        arguments: props.phraseArguments || (props.phraseArguments ? [props.phraseArgument] : [props.label]) },
      (0, _elliptical.createElement)(
        'filter',
        { outbound: filterBase, skipIncomplete: true },
        (0, _elliptical.createElement)(
          'repeat',
          { separator: (0, _elliptical.createElement)('list', { items: [', ', ' and ', ', and '], limit: 1 }) },
          children
        )
      )
    );
  }
};

const InternalDuration = {
  mapResult(result) {
    return {
      id: result.id,
      type: result.type,
      num: result.num * (result.multiplier || 1)
    };
  },

  describe({ props }) {
    const singularDurations = (props.type !== 'time' ? [{ text: 'day', value: { id: 'days', type: 'days' } }, { text: 'fortnight', value: { id: 'fortnights', type: 'days', multiplier: 14 } }, { text: 'week', value: { id: 'weeks', type: 'days', multiplier: 7 } }, { text: 'month', value: { id: 'months', type: 'months' } }, { text: 'year', value: { id: 'years', type: 'years' } }] : []).concat(props.type !== 'date' ? [{ text: 'hour', value: { id: 'hours', type: 'hours' } }, { text: 'minute', value: { id: 'minutes', type: 'minutes' } }] : []).concat(props.type !== 'date' && props.seconds ? [{ text: 'second', value: { id: 'seconds', type: 'seconds' } }] : []);

    const pluralDurations = _lodash2.default.map(singularDurations, ({ text, value }) => ({
      text: `${ text }s`,
      value
    }));

    return (0, _elliptical.createElement)(
      'choice',
      { limit: 1 },
      (0, _elliptical.createElement)(
        'sequence',
        null,
        (0, _elliptical.createElement)(_ellipticalNumber.Integer, { allowWordForm: true, allowIndefiniteArticles: true, max: 1, min: 1, id: 'num', limit: 1 }),
        (0, _elliptical.createElement)('literal', { text: ' ' }),
        (0, _elliptical.createElement)(
          'placeholder',
          { label: 'time period', merge: true },
          (0, _elliptical.createElement)('list', { items: singularDurations })
        )
      ),
      (0, _elliptical.createElement)(
        'sequence',
        null,
        (0, _elliptical.createElement)(_ellipticalNumber.Integer, { allowWordForm: true, allowIndefiniteArticles: true, id: 'num', min: 2, limit: 1 }),
        (0, _elliptical.createElement)('literal', { text: ' ' }),
        (0, _elliptical.createElement)(
          'placeholder',
          { label: 'time period', merge: true },
          (0, _elliptical.createElement)('list', { items: pluralDurations })
        )
      )
    );
  }
};

const DateDuration = exports.DateDuration = {
  id: 'elliptical-datetime:DateDuration',

  defaultProps: {
    label: 'date duration'
  },
  describe({ props }) {
    return (0, _elliptical.createElement)(
      BaseDuration,
      {
        label: props.label,
        phraseArguments: props.phraseArguments,
        phraseArgument: props.phraseArgument },
      (0, _elliptical.createElement)(InternalDuration, { type: 'date', seconds: props.seconds })
    );
  }
};

const TimeDuration = exports.TimeDuration = {
  id: 'elliptical-datetime:TimeDuration',

  defaultProps: {
    seconds: true,
    label: 'time duration'
  },

  describe({ props }) {
    return (0, _elliptical.createElement)(
      BaseDuration,
      {
        label: props.label,
        phraseArguments: props.phraseArguments,
        phraseArgument: props.phraseArgument },
      (0, _elliptical.createElement)(InternalDuration, { type: 'time', seconds: props.seconds })
    );
  }
};

const Duration = exports.Duration = {
  id: 'elliptical-datetime:Duration',

  defaultProps: {
    seconds: false,
    label: 'duration'
  },
  describe({ props }) {
    return (0, _elliptical.createElement)(
      BaseDuration,
      {
        label: props.label,
        phraseArguments: props.phraseArguments,
        phraseArgument: props.phraseArgument },
      (0, _elliptical.createElement)(InternalDuration, { seconds: props.seconds })
    );
  }
};