value-enhancer - npm Package Compare versions

Comparing version 2.0.5 to 2.0.6

dist/index.d.ts

@@ -1,2 +0,142 @@
-export type { ReadonlyVal, Val, ValCompare, ValSubscriber, ValDisposer, ValConfig, } from "./typings";
-export { val, derive, combine, subscribe, reaction, unsubscribe, } from "./value-enhancer";
+interface ReadonlyVal<TValue = any> {
+    /** value */
+    readonly value: TValue;
+    /**
+     * Subscribe to value changes without immediate emission.
+     * @param subscriber
+     * @param eager by default subscribers will be notified on next tick. set `true` to notify subscribers of value changes synchronously.
+     * @returns a disposer function that cancels the subscription
+     */
+    reaction(subscriber: ValSubscriber<TValue>, eager?: boolean): ValDisposer;
+    /**
+     * Subscribe to value changes with immediate emission.
+     * @param subscriber
+     * @param eager by default subscribers will be notified on next tick. set `true` to notify subscribers of value changes synchronously.
+     * @returns a disposer function that cancels the subscription
+     */
+    subscribe(subscriber: ValSubscriber<TValue>, eager?: boolean): ValDisposer;
+    /**
+     * Remove the given subscriber.
+     * Remove all if no subscriber provided.
+     * @param subscriber
+     */
+    unsubscribe(subscriber?: (...args: any[]) => any): void;
+}
+interface Val<TValue = any> extends ReadonlyVal<TValue> {
+    value: TValue;
+    /** set new value */
+    set(value: TValue): void;
+}
+declare type ValCompare<TValue = any> = (newValue: TValue, oldValue: TValue) => boolean;
+declare type ValSubscriber<TValue = any> = (newValue: TValue) => void;
+declare type ValDisposer = () => void;
+interface ValConfig<TValue = any> {
+    /**
+     * Compare two values. Default `===`.
+     */
+    compare?: ValCompare<TValue>;
+}
+declare type TValInputsValueTuple<TValInputs extends readonly ReadonlyVal[]> = Readonly<{
+    [K in keyof TValInputs]: ExtractValValue<TValInputs[K]>;
+}>;
+declare type ExtractValValue<TVal> = TVal extends ReadonlyVal<infer TValue> ? TValue : never;
+
+interface CreateVal {
+    /**
+     * Creates a writable val.
+     * @returns A val with undefined value.
+     */
+    (): Val<undefined>;
+    /**
+     * Creates a writable val.
+     * @param value Initial value.
+     * @param config Custom config.
+     */
+    <TValue = any>(value: TValue, config?: ValConfig<TValue>): Val<TValue>;
+}
+
+declare type DeriveValTransform<TValue = any, TDerivedValue = any> = (newValue: TValue) => TDerivedValue;
+interface CreateDerive {
+    /**
+     * Derive a new val with same value from the given val.
+     * @param val Input value.
+     * @returns An readonly val with same value as the input val.
+     */
+    <TSrcValue = any, TValue = any>(val: ReadonlyVal<TSrcValue>): ReadonlyVal<TValue>;
+    /**
+     * Derive a new val with transformed value from the given val.
+     * @param val Input value.
+     * @param transform A pure function that takes an input value and returns a new value.
+     * @param config custom config for the combined val.
+     * @returns An readonly val with transformed value from the input val.
+     */
+    <TSrcValue = any, TValue = any>(val: ReadonlyVal<TSrcValue>, transform: DeriveValTransform<TSrcValue, TValue>, config?: ValConfig<TValue>): ReadonlyVal<TValue>;
+}
+
+declare type CombineValTransform<TDerivedValue = any, TValues extends readonly any[] = any[], TMeta = any> = (newValues: TValues, oldValues?: TValues, meta?: TMeta) => TDerivedValue;
+interface CreateCombine {
+    /**
+     * Combines an array of vals into a single val with the array of values.
+     * @param valInputs An array of vals to combine.
+     * @returns A readonly val with the combined values.
+     */
+    <TValInputs extends readonly ReadonlyVal[] = ReadonlyVal[]>(valInputs: readonly [...TValInputs]): ReadonlyVal<[...TValInputsValueTuple<TValInputs>]>;
+    /**
+     * Combines an array of vals into a single val with transformed value.
+     * @param valInputs An array of vals to combine.
+     * @param transform A pure function that takes an array of values and returns a new value.
+     * @param config custom config for the combined val.
+     * @returns A readonly val with the transformed values.
+     */
+    <TValInputs extends readonly ReadonlyVal[] = ReadonlyVal[], TValue = any>(valInputs: readonly [...TValInputs], transform: CombineValTransform<TValue, [
+        ...TValInputsValueTuple<TValInputs>
+    ]>, config?: ValConfig<TValue>): ReadonlyVal<TValue>;
+}
+
+/**
+ * Creates a writable val.
+ * @param value Initial value.
+ * @param config Custom config.
+ */
+declare const val: CreateVal;
+/**
+ * Derive a new val with transformed value from the given val.
+ * @param val Input value.
+ * @param transform A pure function that takes an input value and returns a new value. Default identity.
+ * @param config custom config for the combined val.
+ * @returns An readonly val with transformed value from the input val.
+ */
+declare const derive: CreateDerive;
+/**
+ * Combines an array of vals into a single val with transformed value.
+ * @param valInputs An array of vals to combine.
+ * @param transform A pure function that takes an array of values and returns a new value. Default identity.
+ * @param config custom config for the combined val.
+ * @returns A readonly val with the transformed values.
+ */
+declare const combine: CreateCombine;
+/**
+ * Subscribe to value changes with immediate emission.
+ * @param val
+ * @param subscriber
+ * @param eager by default subscribers will be notified on next tick. set `true` to notify subscribers of value changes synchronously.
+ * @returns a disposer function that cancels the subscription
+ */
+declare const subscribe: <TValue>(val: ReadonlyVal<TValue>, subscriber: ValSubscriber<TValue>, eager?: boolean | undefined) => ValDisposer;
+/**
+ * Subscribe to value changes without immediate emission.
+ * @param val
+ * @param subscriber
+ * @param eager by default subscribers will be notified on next tick. set `true` to notify subscribers of value changes synchronously.
+ * @returns a disposer function that cancels the subscription
+ */
+declare const reaction: <TValue>(val: ReadonlyVal<TValue>, subscriber: ValSubscriber<TValue>, eager?: boolean | undefined) => ValDisposer;
+/**
+ * Remove the given subscriber.
+ * Remove all if no subscriber provided.
+ * @param val
+ * @param subscriber
+ */
+declare const unsubscribe: <TValue>(val: ReadonlyVal<TValue>, subscriber?: ((...args: any[]) => any) | undefined) => void;
+
+export { ReadonlyVal, Val, ValCompare, ValConfig, ValDisposer, ValSubscriber, combine, derive, reaction, subscribe, unsubscribe, val };

dist/index.js

@@ -206,8 +206,13 @@ 'use strict';
   get value() {
-    if (this._d || this._v === INIT_VALUE || this._u.b.size <= 0) {
+    if (this._v === INIT_VALUE || this._u.b.size <= 0) {
+      this._v = this._t(this._l.value);
+      this._u.s = true;
+    } else if (this._d) {
       const value = this._t(this._l.value);
-      this._u.s = this._d > 0 && !this._m(value, this._v);
-      this._v = value;
-      this._d = 0;
+      if (!this._m(value, this._v)) {
+        this._u.s = true;
+        this._v = value;
+      }
     }
+    this._d = 0;
     return this._v;
@@ -243,8 +248,13 @@ }
   get value() {
-    if (this._d || this._v === INIT_VALUE || this._u.b.size <= 0) {
+    if (this._v === INIT_VALUE || this._u.b.size <= 0) {
+      this._v = this._t(getValues(this._l));
+      this._u.s = true;
+    } else if (this._d) {
       const value = this._t(getValues(this._l));
-      this._u.s = this._d > 0 && !this._m(value, this._v);
-      this._v = value;
-      this._d = 0;
+      if (!this._m(value, this._v)) {
+        this._u.s = true;
+        this._v = value;
+      }
     }
+    this._d = 0;
     return this._v;
@@ -251,0 +261,0 @@ }

package.json

 {
   "name": "value-enhancer",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "private": false,
@@ -42,7 +42,7 @@ "description": "A tiny library to enhance value with reactive wrapper.",
     "types": "cross-env NODE_ENV=production tsc --declaration --emitDeclarationOnly --jsx react --esModuleInterop --outDir dist",
-    "build": "cross-env NODE_ENV=production tsup-node src/index.ts && npm run types",
+    "build": "cross-env NODE_ENV=production tsup-node src/index.ts",
     "build:min": "cross-env NODE_ENV=production MINIFY=true tsup-node src/index.ts && node scripts/gzip.mjs",
-    "build:dev": "cross-env NODE_ENV=development tsup-node src/index.ts && npm run types",
+    "build:dev": "cross-env NODE_ENV=development tsup-node src/index.ts",
     "release": "standard-version"
   }
 }

src/combine.ts

@@ -48,13 +48,13 @@ import { ReadonlyValImpl } from "./readonly-val";
   public override get value(): TValue {
-    if (
-      this._dirtyLevel_ ||
-      this._value_ === INIT_VALUE ||
-      this._subs_.subscribers_.size <= 0
-    ) {
+    if (this._value_ === INIT_VALUE || this._subs_.subscribers_.size <= 0) {
+      this._value_ = this._transform_(getValues(this._sVal_));
+      this._subs_.shouldExec_ = true;
+    } else if (this._dirtyLevel_) {
       const value = this._transform_(getValues(this._sVal_));
-      this._subs_.shouldExec_ =
-        this._dirtyLevel_ > 0 && !this._compare_(value, this._value_);
-      this._value_ = value;
-      this._dirtyLevel_ = 0;
+      if (!this._compare_(value, this._value_)) {
+        this._subs_.shouldExec_ = true;
+        this._value_ = value;
+      }
     }
+    this._dirtyLevel_ = 0;
     return this._value_;
@@ -61,0 +61,0 @@ }

src/derived-val.ts

@@ -37,13 +37,13 @@ import { ReadonlyValImpl } from "./readonly-val";
   public override get value(): TValue {
-    if (
-      this._dirtyLevel_ ||
-      this._value_ === INIT_VALUE ||
-      this._subs_.subscribers_.size <= 0
-    ) {
+    if (this._value_ === INIT_VALUE || this._subs_.subscribers_.size <= 0) {
+      this._value_ = this._transform_(this._sVal_.value);
+      this._subs_.shouldExec_ = true;
+    } else if (this._dirtyLevel_) {
       const value = this._transform_(this._sVal_.value);
-      this._subs_.shouldExec_ =
-        this._dirtyLevel_ > 0 && !this._compare_(value, this._value_);
-      this._value_ = value;
-      this._dirtyLevel_ = 0;
+      if (!this._compare_(value, this._value_)) {
+        this._subs_.shouldExec_ = true;
+        this._value_ = value;
+      }
     }
+    this._dirtyLevel_ = 0;
     return this._value_;
@@ -50,0 +50,0 @@ }

No alert changes

Worsened metrics

Total package byte prevSize

94083

decreased by-3.21%

Number of package files

18

decreased by-33.33%

Lines of code

1223

decreased by-5.19%

No dependency changes