typescript(option): chore: fixed build process

Signed-off-by: prescientmoon <git@moonythm.dev>

typescript/option/src/helpers.ts

@@ -10,18 +10,16 @@ import {
 import { identity } from './internalHelperts'
 import { none, some } from './internals'
 
-export const isSome = <T>(option: Option<T>): option is Some<T> =>
-    option.type === some
-export const isNothing = <T>(option: Option<T>): option is None =>
-    option.type === none
+export const isSome = <T>(option: Option<T>) => option._type === some
+export const isNothing = <T>(option: Option<T>) => option._type === none
 
 const match = <T, U>(
     caseSome: Mapper<T, U>,
     _default: U,
     option: Option<T>
 ) => {
-    if (isSome(option)) {
-        return caseSome(option.value as T)
+    if (option._type === some) {
+        return caseSome(option.value)
     }
 
     return _default
@@ -72,7 +70,7 @@ export const forall = <T>(predicate: Predicate<T>, option: Option<T>) => {
 }
 
 export const get = <T>(option: Option<T>): T => {
-    if (isSome(option)) {
+    if (option._type === some) {
         return option.value
     }
 
@@ -80,7 +78,7 @@ export const get = <T>(option: Option<T>): T => {
 }
 
 export const iter = <T>(mapper: Mapper<T, void>, option: Option<T>) => {
-    if (isSome(option)) {
+    if (option._type === some) {
         mapper(option.value)
     }
 }

typescript/option/src/internals.ts

@@ -1,7 +1,7 @@
-export const some = Symbol('some')
-export const none = Symbol('none')
+export const some = 'some'
+export const none = 'none'
 
 export type NominalTyped<T, U> = {
-    type: T
+    _type: T
     value: U
 }

typescript/option/src/types.ts

@@ -1,16 +1,16 @@
 import { NominalTyped, none, some } from './internals'
 
-export type None = NominalTyped<typeof none, null>
-export type Some<T> = NominalTyped<typeof some, T>
+export type None = NominalTyped<'none', null>
+export type Some<T> = NominalTyped<'some', T>
 
 export type Option<T> = Some<T> | None
 
 export const None: Option<any> = {
-    type: none,
+    _type: 'none',
     value: null
 }
 
 export const Some = <T>(value: T): Option<T> => ({
-    type: some,
+    _type: 'some',
     value
 })