diff options
Diffstat (limited to 'toolkit/content/widgets/datekeeper.js')
| -rw-r--r-- | toolkit/content/widgets/datekeeper.js | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/toolkit/content/widgets/datekeeper.js b/toolkit/content/widgets/datekeeper.js index 9517e2154..4959b9609 100644 --- a/toolkit/content/widgets/datekeeper.js +++ b/toolkit/content/widgets/datekeeper.js @@ -16,9 +16,11 @@ function DateKeeper(props) { MONTHS_IN_A_YEAR = 12, YEAR_VIEW_SIZE = 200, YEAR_BUFFER_SIZE = 10, - // The min and max values are derived from the ECMAScript spec: + // The min value is 0001-01-01 based on HTML spec: + // https://html.spec.whatwg.org/#valid-date-string + MIN_DATE = -62135596800000, + // The max value is derived from the ECMAScript spec: // http://ecma-international.org/ecma-262/5.1/#sec-15.9.1.1 - MIN_DATE = -8640000000000000, MAX_DATE = 8640000000000000; DateKeeper.prototype = { @@ -43,8 +45,8 @@ function DateKeeper(props) { * @param {Number} year * @param {Number} month * @param {Number} day - * @param {String} min - * @param {String} max + * @param {Number} min + * @param {Number} max * @param {Number} step * @param {Number} stepBase * @param {Number} firstDayOfWeek @@ -57,8 +59,9 @@ function DateKeeper(props) { this.state = { step, firstDayOfWeek, weekends, calViewSize, - min: new Date(min != undefined ? min : MIN_DATE), - max: new Date(max != undefined ? max : MAX_DATE), + // min & max are NaN if empty or invalid + min: new Date(Number.isNaN(min) ? MIN_DATE : min), + max: new Date(Number.isNaN(max) ? MAX_DATE : max), stepBase: new Date(stepBase), today: this._newUTCDate(today.getFullYear(), today.getMonth(), today.getDate()), weekHeaders: this._getWeekHeaders(firstDayOfWeek, weekends), |