@effect/data - npm Package Compare versions

Comparing version 0.4.1 to 0.5.0

Data.d.ts

@@ -73,2 +73,7 @@ /**
 /**
+ * @since 1.0.0
+ * @category models
+ */
+export type IsEqualTo<X, Y> = (<T>() => T extends X ? 1 : 2) extends <T>() => T extends Y ? 1 : 2 ? true : false;
+/**
  * Provides a Tagged constructor for a Case Class.
@@ -79,3 +84,3 @@ *
  */
-export declare const TaggedClass: <Key extends string>(tag: Key) => <A extends Record<string, any>>() => new (args: Omit<A, keyof Equal.Equal>) => Data<A & {
+export declare const TaggedClass: <Key extends string>(tag: Key) => new <A extends Record<string, any>>(args: IsEqualTo<Omit<A, keyof Equal.Equal>, {}> extends true ? void : Omit<A, keyof Equal.Equal>) => Data<A & {
     _tag: Key;
@@ -89,3 +94,3 @@ }>;
  */
-export declare const Class: <A extends Record<string, any>>() => new (args: Omit<A, keyof Equal.Equal>) => Data<A>;
+export declare const Class: new <A extends Record<string, any>>(args: IsEqualTo<Omit<A, keyof Equal.Equal>, {}> extends true ? void : Omit<A, keyof Equal.Equal>) => Data<A>;
 //# sourceMappingURL=Data.d.ts.map

Data.js

@@ -104,4 +104,4 @@ "use strict";
 exports.tagged = tagged;
-const TaggedClass = tag => () => {
-  class Base extends Class() {
+const TaggedClass = tag => {
+  class Base extends Class {
     constructor() {
@@ -121,6 +121,8 @@ super(...arguments);
 exports.TaggedClass = TaggedClass;
-const Class = () => {
+const Class = /*#__PURE__*/(() => {
   class Base {
     constructor(args) {
-      Object.assign(this, args);
+      if (args) {
+        Object.assign(this, args);
+      }
     }
@@ -145,4 +147,4 @@ [Hash.symbol]() {
   return Base;
-};
+})();
 exports.Class = Class;
 //# sourceMappingURL=Data.js.map

package.json

 {
   "name": "@effect/data",
-  "version": "0.4.1",
+  "version": "0.5.0",
   "license": "MIT",
@@ -5,0 +5,0 @@ "repository": {

src/Data.ts

@@ -131,2 +131,11 @@ /**
 /**
+ * @since 1.0.0
+ * @category models
+ */
+export type IsEqualTo<X, Y> = (<T>() => T extends X ? 1 : 2) extends <
+  T
+>() => T extends Y ? 1 : 2 ? true
+  : false
+
+/**
  * Provides a Tagged constructor for a Case Class.
@@ -139,9 +148,10 @@ *
   tag: Key
-) =>
-  <A extends Record<string, any>>(): new(args: Omit<A, keyof Equal.Equal>) => Data<A & { _tag: Key }> => {
-    class Base extends (Class<A>() as any) {
-      readonly _tag = tag
-    }
-    return Base as any
+): new<A extends Record<string, any>>(
+  args: IsEqualTo<Omit<A, keyof Equal.Equal>, {}> extends true ? void : Omit<A, keyof Equal.Equal>
+) => Data<A & { _tag: Key }> => {
+  class Base extends (Class as any) {
+    readonly _tag = tag
   }
+  return Base as any
+}
 
@@ -154,8 +164,11 @@ /**
  */
-export const Class = <A extends Record<string, any>>(): new(args: Omit<A, keyof Equal.Equal>) => Data<A> => {
-  class Base {
+export const Class: new<A extends Record<string, any>>(
+  args: IsEqualTo<Omit<A, keyof Equal.Equal>, {}> extends true ? void : Omit<A, keyof Equal.Equal>
+) => Data<A> = (() => {
+  class Base<A> {
     constructor(args: Omit<A, keyof Equal.Equal>) {
-      Object.assign(this, args)
+      if (args) {
+        Object.assign(this, args)
+      }
     }
-
     [Hash.symbol](this: Equal.Equal) {
@@ -179,2 +192,2 @@ return Hash.structure(this)
   return Base as any
-}
+})()

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

3484253

increased by0.03%

Lines of code

74174

increased by0.03%

No dependency changes