fix: properly export types dependent on dayjs plugins (#14)

src/constants/timeZone.ts

@@ -1,3 +1,3 @@
-import {TimeZone} from '../typings';
+import type {TimeZone} from '../typings';
 
 export const UtcTimeZone: TimeZone = 'UTC';

src/dateTime/dateTime.ts

@@ -1,8 +1,10 @@
-import dayjs, {ConfigType} from '../dayjs';
-import {DateTime, DateTimeInput, FormatInput, TimeZone} from '../typings';
+import dayjs from '../dayjs';
 import {STRICT, UtcTimeZone} from '../constants';
 import {compareStrings} from '../utils';
 
+import type {ConfigType} from '../dayjs';
+import type {DateTime, DateTimeInput, FormatInput, TimeZone} from '../typings';
+
 export const createDateTime = (
     input?: DateTimeInput,
     format?: FormatInput,

src/datemath/datemath.test.ts

@@ -6,7 +6,7 @@ import {each} from 'lodash';
 
 import {dateTime} from '../dateTime';
 import * as dateMath from './datemath';
-import {DurationUnit, DateTime} from '../typings';
+import type {DurationUnit, DateTime} from '../typings';
 
 describe('DateMath', () => {
     const spans: DurationUnit[] = ['s', 'm', 'h', 'd', 'w', 'M', 'Q', 'y'];

src/dayjs.ts

@@ -24,4 +24,18 @@ dayjs.extend(updateLocale);
 // but not vice versa, therefore it should come last
 dayjs.extend(objectSupport);
 
-export = dayjs;
+export default dayjs;
+
+export type {ConfigTypeMap, ConfigType} from 'dayjs';
+export type {
+    arraySupport,
+    customParseFormat,
+    isoWeek,
+    quarterOfYear,
+    relativeTime,
+    timezone,
+    utc,
+    localizedFormat,
+    updateLocale,
+    objectSupport,
+};

src/parser/parser.ts

@@ -4,7 +4,7 @@
 import dayjs from '../dayjs';
 import {dateTime} from '../dateTime';
 import {parse, isValid} from '../datemath';
-import {DateTimeOptionsWhenParsing, DateTime, DateTimeParser} from '../typings';
+import type {DateTimeOptionsWhenParsing, DateTime, DateTimeParser} from '../typings';
 
 const parseInput: DateTimeParser<DateTimeOptionsWhenParsing> = (
     input,

src/settings/types.ts

@@ -1,6 +1,4 @@
-import dayjs from '../dayjs';
+import type dayjs from '../dayjs';
 
 // https://dayjs.gitee.io/docs/ru/customization/customization
-export type UpdateLocaleConfig = Parameters<typeof dayjs.updateLocale>[1] & {
-    weekStart?: number;
-};
+export type UpdateLocaleConfig = Parameters<typeof dayjs.updateLocale>[1] | Partial<ILocale>;

src/timeZone/timeZone.ts

@@ -1,6 +1,6 @@
 import dayjs from '../dayjs';
 import {UtcTimeZone} from '../constants';
-import {TimeZone, TimeZoneOptions} from '../typings';
+import type {TimeZone, TimeZoneOptions} from '../typings';
 
 export const getTimeZone = <T extends TimeZoneOptions>(options?: T): TimeZone => {
     return options?.timeZone ?? UtcTimeZone;

src/typings/common.ts

@@ -1,7 +1,7 @@
 // Copyright 2015 Grafana Labs
 // Copyright 2021 YANDEX LLC
 
-import {TimeZoneOptions} from './timeZone';
+import type {TimeZoneOptions} from './timeZone';
 
 export interface DateTimeOptions extends TimeZoneOptions {
     /**

src/typings/parser.ts

@@ -1,8 +1,8 @@
 // Copyright 2015 Grafana Labs
 // Copyright 2021 YANDEX LLC
 
-import {DateTimeOptions} from './common';
-import {DateTime, DateTimeInput} from './dateTime';
+import type {DateTimeOptions} from './common';
+import type {DateTime, DateTimeInput} from './dateTime';
 
 export type DateTimeParser<T extends DateTimeOptions = DateTimeOptions> = (
     value: DateTimeInput,

tsconfig.json

@@ -4,6 +4,7 @@
     "target": "es5",
     "allowJs": false,
     "declaration": true,
+    "importsNotUsedAsValues": "error",
     "outDir": "build"
   },
   "include": [