slim date object (#643)

packages/core/src/date.ts

@@ -0,0 +1,133 @@
+/** Enables basic storage and retrieval of dates and times. */
+export class Date {
+    private _year: number
+    private _monthIndex: number
+    private _date: number
+    private _hours: number
+    private _minutes: number
+    private _seconds: number
+    private _ms: number
+
+    /**
+     * Creates a new Date.
+     * @param year The full year designation is required for cross-century date accuracy. If year is between 0 and 99 is used, then year is assumed to be 1900 + year.
+     * @param monthIndex The month as a number between 0 and 11 (January to December).
+     * @param date The date as a number between 1 and 31.
+     * @param hours Must be supplied if minutes is supplied. A number from 0 to 23 (midnight to 11pm) that specifies the hour.
+     * @param minutes Must be supplied if seconds is supplied. A number from 0 to 59 that specifies the minutes.
+     * @param seconds Must be supplied if milliseconds is supplied. A number from 0 to 59 that specifies the seconds.
+     * @param ms A number from 0 to 999 that specifies the milliseconds.
+     */
+    constructor(
+        year: number,
+        monthIndex: number,
+        date?: number,
+        hours?: number,
+        minutes?: number,
+        seconds?: number,
+        ms?: number
+    ) {
+        this._year = year
+        this._monthIndex = monthIndex
+        this._date = date || 1
+        this._hours = hours || 0
+        this._minutes = minutes || 0
+        this._seconds = seconds || 0
+        this._ms = ms || 0
+    }
+
+    /** Gets the year, using local time. */
+    getFullYear(): number {
+        return this._year
+    }
+    /** Gets the month, using local time. */
+    getMonth(): number {
+        return this._monthIndex
+    }
+    /** Gets the day-of-the-month, using local time. */
+    getDate(): number {
+        return this._date
+    }
+    /** Gets the hours in a date, using local time. */
+    getHours(): number {
+        return this._hours
+    }
+    /** Gets the minutes of a Date object, using local time. */
+    getMinutes(): number {
+        return this._minutes
+    }
+    /** Gets the seconds of a Date object, using local time. */
+    getSeconds(): number {
+        return this._seconds
+    }
+    /** Gets the milliseconds of a Date, using local time. */
+    getMilliseconds(): number {
+        return this._ms
+    }
+
+    /**
+     * Sets the milliseconds value in the Date object using local time.
+     * @param ms A numeric value equal to the millisecond value.
+     */
+    setMilliseconds(ms: number): void {
+        this._ms = ms
+    }
+    /**
+     * Sets the seconds value in the Date object using local time.
+     * @param sec A numeric value equal to the seconds value.
+     * @param ms A numeric value equal to the milliseconds value.
+     */
+    setSeconds(sec: number, ms?: number) {
+        this._seconds = sec
+        if (!isNaN(ms)) this._ms = ms
+    }
+    /**
+     * Sets the minutes value in the Date object using local time.
+     * @param min A numeric value equal to the minutes value.
+     * @param sec A numeric value equal to the seconds value.
+     * @param ms A numeric value equal to the milliseconds value.
+     */
+    setMinutes(min: number, sec?: number, ms?: number) {
+        this._minutes = min
+        if (!isNaN(sec)) {
+            this.setSeconds(sec, ms)
+        }
+    }
+    /**
+     * Sets the hour value in the Date object using local time.
+     * @param hours A numeric value equal to the hours value.
+     * @param min A numeric value equal to the minutes value.
+     * @param sec A numeric value equal to the seconds value.
+     * @param ms A numeric value equal to the milliseconds value.
+     */
+    setHours(hours: number, min?: number, sec?: number, ms?: number) {
+        this._hours = hours
+        if (!isNaN(min)) this.setMinutes(min, sec, ms)
+    }
+    /**
+     * Sets the numeric day-of-the-month value of the Date object using local time.
+     * @param date A numeric value equal to the day of the month.
+     */
+    setDate(date: number) {
+        this._date = date
+    }
+    /**
+     * Sets the month value in the Date object using local time.
+     * @param month A numeric value equal to the month. The value for January is 0, and other month values follow consecutively.
+     * @param date A numeric value representing the day of the month. If this value is not supplied, the value from a call to the getDate method is used.
+     */
+    setMonth(month: number, date?: number) {
+        this._monthIndex = month
+        if (!isNaN(date)) this.setDate(date)
+    }
+    /**
+     * Sets the year of the Date object using local time.
+     * @param year A numeric value for the year.
+     * @param month A zero-based numeric value for the month (0 for January, 11 for December). Must be specified if numDate is specified.
+     * @param date A numeric value equal for the day of the month.
+     */
+    setFullYear(year: number, month?: number, date?: number) {
+        this._year = year
+        if (!isNaN(month)) this.setMonth(month, date)
+    }
+}

packages/core/src/index.ts

@@ -6,6 +6,7 @@ import "./buffer"
 import "./timeouts"
 import "./array"
 import "./string"
+import "./date"
 import "./events"
 import "./jacdac"
 import "./lightbulb"