initial commit: scaffolding

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diff --git a/node_modules/date-fns/formatDuration/index.js b/node_modules/date-fns/formatDuration/index.js
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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = formatDuration;
+var _index = require("../_lib/defaultOptions/index.js");
+var _index2 = _interopRequireDefault(require("../_lib/defaultLocale/index.js"));
+var defaultFormat = ['years', 'months', 'weeks', 'days', 'hours', 'minutes', 'seconds'];
+
+/**
+ * @name formatDuration
+ * @category Common Helpers
+ * @summary Formats a duration in human-readable format
+ *
+ * @description
+ * Return human-readable duration string i.e. "9 months 2 days"
+ *
+ * @param {Duration} duration - the duration to format
+ * @param {Object} [options] - an object with options.
+ * @param {string[]} [options.format=['years', 'months', 'weeks', 'days', 'hours', 'minutes', 'seconds']] - the array of units to format
+ * @param {boolean} [options.zero=false] - should zeros be included in the output?
+ * @param {string} [options.delimiter=' '] - delimiter string
+ * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
+ * @returns {string} the formatted date string
+ * @throws {TypeError} 1 argument required
+ *
+ * @example
+ * // Format full duration
+ * formatDuration({
+ *   years: 2,
+ *   months: 9,
+ *   weeks: 1,
+ *   days: 7,
+ *   hours: 5,
+ *   minutes: 9,
+ *   seconds: 30
+ * })
+ * //=> '2 years 9 months 1 week 7 days 5 hours 9 minutes 30 seconds'
+ *
+ * @example
+ * // Format partial duration
+ * formatDuration({ months: 9, days: 2 })
+ * //=> '9 months 2 days'
+ *
+ * @example
+ * // Customize the format
+ * formatDuration(
+ *   {
+ *     years: 2,
+ *     months: 9,
+ *     weeks: 1,
+ *     days: 7,
+ *     hours: 5,
+ *     minutes: 9,
+ *     seconds: 30
+ *   },
+ *   { format: ['months', 'weeks'] }
+ * ) === '9 months 1 week'
+ *
+ * @example
+ * // Customize the zeros presence
+ * formatDuration({ years: 0, months: 9 })
+ * //=> '9 months'
+ * formatDuration({ years: 0, months: 9 }, { zero: true })
+ * //=> '0 years 9 months'
+ *
+ * @example
+ * // Customize the delimiter
+ * formatDuration({ years: 2, months: 9, weeks: 3 }, { delimiter: ', ' })
+ * //=> '2 years, 9 months, 3 weeks'
+ */
+function formatDuration(duration, options) {
+  var _ref, _options$locale, _options$format, _options$zero, _options$delimiter;
+  if (arguments.length < 1) {
+    throw new TypeError("1 argument required, but only ".concat(arguments.length, " present"));
+  }
+  var defaultOptions = (0, _index.getDefaultOptions)();
+  var locale = (_ref = (_options$locale = options === null || options === void 0 ? void 0 : options.locale) !== null && _options$locale !== void 0 ? _options$locale : defaultOptions.locale) !== null && _ref !== void 0 ? _ref : _index2.default;
+  var format = (_options$format = options === null || options === void 0 ? void 0 : options.format) !== null && _options$format !== void 0 ? _options$format : defaultFormat;
+  var zero = (_options$zero = options === null || options === void 0 ? void 0 : options.zero) !== null && _options$zero !== void 0 ? _options$zero : false;
+  var delimiter = (_options$delimiter = options === null || options === void 0 ? void 0 : options.delimiter) !== null && _options$delimiter !== void 0 ? _options$delimiter : ' ';
+  if (!locale.formatDistance) {
+    return '';
+  }
+  var result = format.reduce(function (acc, unit) {
+    var token = "x".concat(unit.replace(/(^.)/, function (m) {
+      return m.toUpperCase();
+    }));
+    var value = duration[unit];
+    if (typeof value === 'number' && (zero || duration[unit])) {
+      return acc.concat(locale.formatDistance(token, value));
+    }
+    return acc;
+  }, []).join(delimiter);
+  return result;
+}
+module.exports = exports.default;
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