feat: support to parse ISO 8601 duration string

package.json

@@ -59,6 +59,7 @@
     "d3-zoom": "^1.8.3",
     "graphql": "^15.4.0",
     "graphql-tag": "^2.11.0",
+    "iso8601-duration": "^1.3.0",
     "lodash-es": "^4.17.20",
     "rxjs": "~6.6.3",
     "tslib": "^2.1.0",

projects/common/src/time/time-duration.test.ts

@@ -80,4 +80,14 @@ describe('Time duration', () => {
       new TimeDuration(0, TimeUnit.Millisecond)
     );
   });
+
+  test('can parse ISO 8601 duration string', () => {
+    let duration = TimeDuration.parse('PT1H');
+    expect(duration.value).toBe(3600);
+    expect(duration.unit).toBe(TimeUnit.Second);
+
+    duration = TimeDuration.parse('PT1H5M');
+    expect(duration.value).toBe(3900);
+    expect(duration.unit).toBe(TimeUnit.Second);
+  });
 });

projects/common/src/time/time-duration.ts

@@ -1,8 +1,10 @@
+import { parse, toSeconds } from 'iso8601-duration';
 import { assertUnreachable } from '../utilities/lang/lang-utils';
 import { TimeUnit } from './time-unit.type';
 
 export class TimeDuration {
   private readonly millis: number;
+
   public constructor(public readonly value: number, public readonly unit: TimeUnit) {
     this.toUnitString(); // Fail if unrecognized TimeUnit
     this.millis = this.normalizeToMillis(value, unit);
@@ -12,6 +14,10 @@ export class TimeDuration {
     return this.millis;
   }
 
+  public static parse(durationString: string): TimeDuration {
+    return new TimeDuration(toSeconds(parse(durationString)), TimeUnit.Second);
+  }
+
   public getAmountForUnit(unit: ConvertibleTimeUnit): number {
     return this.toMillis() / this.unitInMillis(unit);
   }