concave - npm Package Compare versions

Comparing version 0.0.1 to 0.0.2

build/basic-lens.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.update = exports.prop = exports.refine = exports.basicLens = void 0;
-var shallow_copy_1 = require("./shallow-copy");
-var identity = Object.freeze({
-    get: function (s) {
+const shallow_copy_1 = require("./shallow-copy");
+const identity = Object.freeze({
+    get(s) {
         return s;
     },
-    set: function (s, a) {
+    set(s, a) {
         return a;
     },
 });
-var basicLens = function () { return identity; };
+const basicLens = () => identity;
 exports.basicLens = basicLens;
-var refine = function (lens, get, set) {
+const refine = (lens, get, set) => {
     return {
-        get: function (s) {
-            var a = lens.get(s);
+        get(s) {
+            const a = lens.get(s);
             return get(a);
         },
-        set: function (s, b) {
-            var a = lens.get(s);
+        set(s, b) {
+            const a = lens.get(s);
             return lens.set(s, set(a, b));
@@ -28,5 +28,5 @@ },
 exports.refine = refine;
-var prop = function (lens, key) {
-    return (0, exports.refine)(lens, function (s) { return s[key]; }, function (a, ak) {
-        var copy = (0, shallow_copy_1.shallowCopy)(a);
+const prop = (lens, key) => {
+    return (0, exports.refine)(lens, (s) => s[key], (a, ak) => {
+        const copy = (0, shallow_copy_1.shallowCopy)(a);
         copy[key] = ak;
@@ -37,8 +37,7 @@ return copy;
 exports.prop = prop;
-var update = function (lens, updater) {
-    return function (s) {
-        var a = lens.get(s);
-        return lens.set(s, updater(a));
-    };
+const update = (lens, updater) => (s) => {
+    const a = lens.get(s);
+    return lens.set(s, updater(a));
 };
 exports.update = update;
+//# sourceMappingURL=basic-lens.js.map

build/external-store.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.externalStore = void 0;
-var externalStore = function (initialState) {
-    var listeners = new Set();
-    var state = initialState;
+const externalStore = (initialState) => {
+    const listeners = new Set();
+    let state = initialState;
     return {
-        subscribe: function (sub) {
+        subscribe(sub) {
             listeners.add(sub);
-            return function () { return listeners.delete(sub); };
+            return () => listeners.delete(sub);
         },
-        getSnapshot: function () {
+        getSnapshot() {
             return state;
         },
-        update: function (updater) {
+        update(updater) {
             state = updater(state);
-            listeners.forEach(function (fn) { return fn(); });
+            listeners.forEach((fn) => fn());
         },
@@ -22,1 +22,2 @@ };
 exports.externalStore = externalStore;
+//# sourceMappingURL=external-store.js.map

build/index.js

@@ -6,1 +6,2 @@ "use strict";
 Object.defineProperty(exports, "react", { enumerable: true, get: function () { return react_1.react; } });
+//# sourceMappingURL=index.js.map

build/is-object.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.isObject = void 0;
-var isObject = function (obj) { return Object.prototype.toString.call(obj) === "[object Object]"; };
+const isObject = (obj) => Object.prototype.toString.call(obj) === "[object Object]";
 exports.isObject = isObject;
+//# sourceMappingURL=is-object.js.map

build/proxy-lens.js

 "use strict";
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
-};
-var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
-    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
-        if (ar || !(i in from)) {
-            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
-            ar[i] = from[i];
-        }
-    }
-    return to.concat(ar || Array.prototype.slice.call(from));
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.proxyLens = void 0;
-var basic_lens_1 = require("./basic-lens");
-var is_object_1 = require("./is-object");
-var PROXY_VALUE = Symbol();
-var TO_LENS = Symbol();
-var THROW_ON_COPY = Symbol();
-var keyCounter = 0;
-var proxyLensKey = function () { return "$$ProxyLens(".concat(keyCounter++, ")"); };
-var isProxyable = function (obj) { return Array.isArray(obj) || (0, is_object_1.isObject)(obj); };
-var createUse = function (fixtures, lens) {
-    var use = fixtures.createUse(fixtures.lens);
-    return function (shouldUpdate) {
-        var _a = use(shouldUpdate), state = _a[0], setState = _a[1];
-        var next = proxyValue(state, lens);
+const basic_lens_1 = require("./basic-lens");
+const is_object_1 = require("./is-object");
+const PROXY_VALUE = Symbol();
+const TO_LENS = Symbol();
+const THROW_ON_COPY = Symbol();
+let keyCounter = 0;
+const proxyLensKey = () => `$$ProxyLens(${keyCounter++})`;
+const isProxyable = (obj) => Array.isArray(obj) || (0, is_object_1.isObject)(obj);
+const createUse = (fixtures, lens) => {
+    const use = fixtures.createUse(fixtures.lens);
+    return (shouldUpdate) => {
+        const [state, setState] = use(shouldUpdate);
+        const next = proxyValue(state, lens);
         return [next, setState];
     };
 };
-var proxyValue = function (obj, lens) {
+const proxyValue = (obj, lens) => {
     if (!isProxyable(obj)) {
@@ -47,5 +27,5 @@ return obj;
     }
-    var toJSON;
-    var proxy = new Proxy(obj, {
-        get: function (target, key) {
+    let toJSON;
+    const proxy = new Proxy(obj, {
+        get(target, key) {
             if (key === PROXY_VALUE) {
@@ -55,3 +35,3 @@ return proxy;
             if (key === "toJSON") {
-                toJSON !== null && toJSON !== void 0 ? toJSON : (toJSON = function () { return target; });
+                toJSON !== null && toJSON !== void 0 ? toJSON : (toJSON = () => target);
                 return toJSON;
@@ -62,10 +42,10 @@ }
             }
-            var nextValue = target[key];
-            var nextLens = lens[key];
+            const nextValue = target[key];
+            const nextLens = lens[key];
             return proxyValue(nextValue, nextLens);
         },
-        ownKeys: function (target) {
-            return __spreadArray(__spreadArray([], Reflect.ownKeys(target), true), [THROW_ON_COPY], false);
+        ownKeys(target) {
+            return [...Reflect.ownKeys(target), THROW_ON_COPY];
         },
-        getOwnPropertyDescriptor: function (target, key) {
+        getOwnPropertyDescriptor(target, key) {
             if (key === THROW_ON_COPY) {
@@ -76,6 +56,6 @@ throw new Error("");
         },
-        set: function () {
+        set() {
             throw new Error("Cannot set property on ProxyValue");
         },
-        deleteProperty: function () {
+        deleteProperty() {
             throw new Error("Cannot delete property on ProxyValue");
@@ -97,9 +77,9 @@ },
 };
-var proxyLens = function (fixtures) {
-    var cache = {};
-    var use;
-    var toLens;
-    var $key;
-    var proxy = new Proxy({}, {
-        get: function (_target, key) {
+const proxyLens = (fixtures) => {
+    const cache = {};
+    let use;
+    let toLens;
+    let $key;
+    const proxy = new Proxy({}, {
+        get(_target, key) {
             if (key === "$key") {
@@ -115,3 +95,3 @@ $key !== null && $key !== void 0 ? $key : ($key = proxyLensKey());
             if (key === TO_LENS) {
-                toLens !== null && toLens !== void 0 ? toLens : (toLens = function () { return proxy; });
+                toLens !== null && toLens !== void 0 ? toLens : (toLens = () => proxy);
                 return toLens;
@@ -124,4 +104,4 @@ }
             if (cache[key] === undefined) {
-                var nextFixtures = __assign(__assign({}, fixtures), { lens: (0, basic_lens_1.prop)(fixtures.lens, key) });
-                var nextProxy = (0, exports.proxyLens)(nextFixtures);
+                const nextFixtures = Object.assign(Object.assign({}, fixtures), { lens: (0, basic_lens_1.prop)(fixtures.lens, key) });
+                const nextProxy = (0, exports.proxyLens)(nextFixtures);
                 cache[key] = nextProxy;
@@ -131,6 +111,6 @@ }
         },
-        set: function () {
+        set() {
             throw new Error("Cannot set property on ProxyLens");
         },
-        deleteProperty: function () {
+        deleteProperty() {
             throw new Error("Cannot delete property on ProxyLens");
@@ -142,1 +122,2 @@ },
 exports.proxyLens = proxyLens;
+//# sourceMappingURL=proxy-lens.js.map

build/react.js

@@ -8,37 +8,35 @@ "use strict";
 exports.react = void 0;
-var react_1 = __importDefault(require("react"));
-var basic_lens_1 = require("./basic-lens");
-var external_store_1 = require("./external-store");
-var proxy_lens_1 = require("./proxy-lens");
-var use_sync_external_store_with_lens_1 = require("./use-sync-external-store-with-lens");
-var nothing = Symbol();
-var react = function () {
-    var ExternalStoreContext = react_1.default.createContext(nothing);
+const react_1 = __importDefault(require("react"));
+const basic_lens_1 = require("./basic-lens");
+const external_store_1 = require("./external-store");
+const proxy_lens_1 = require("./proxy-lens");
+const use_sync_external_store_with_lens_1 = require("./use-sync-external-store-with-lens");
+const nothing = Symbol();
+const react = () => {
+    const ExternalStoreContext = react_1.default.createContext(nothing);
     ExternalStoreContext.displayName = "Lens(ExternalStoreContext)";
-    var createUse = function (lens) {
-        return function (shouldUpdate) {
-            var store = react_1.default.useContext(ExternalStoreContext);
-            if (store === nothing) {
-                throw new Error("Cannot call `lens.use()` in a component outside of <LensProvider />");
-            }
-            return (0, use_sync_external_store_with_lens_1.useSyncExternalStoreWithLens)(store, lens, shouldUpdate);
-        };
+    const createUse = (lens) => (shouldUpdate) => {
+        const store = react_1.default.useContext(ExternalStoreContext);
+        if (store === nothing) {
+            throw new Error("Cannot call `lens.use()` in a component outside of <LensProvider />");
+        }
+        return (0, use_sync_external_store_with_lens_1.useSyncExternalStoreWithLens)(store, lens, shouldUpdate);
     };
-    var lens = (0, proxy_lens_1.proxyLens)({
+    const lens = (0, proxy_lens_1.proxyLens)({
         lens: (0, basic_lens_1.basicLens)(),
-        createUse: createUse,
+        createUse,
     });
-    var LensProvider = function (props) {
-        var storeRef = react_1.default.useRef();
+    const LensProvider = (props) => {
+        const storeRef = react_1.default.useRef();
         if (!storeRef.current) {
             storeRef.current = (0, external_store_1.externalStore)(props.value);
         }
-        var store = storeRef.current;
-        react_1.default.useEffect(function () {
+        let store = storeRef.current;
+        react_1.default.useEffect(() => {
             if (store.getSnapshot() !== props.value) {
-                store.update(function () { return props.value; });
+                store.update(() => props.value);
             }
         }, [props.value]);
-        react_1.default.useEffect(function () {
-            return store.subscribe(function () { return props.onChange(store.getSnapshot()); });
+        react_1.default.useEffect(() => {
+            return store.subscribe(() => props.onChange(store.getSnapshot()));
         }, [props.onChange]);
@@ -48,5 +46,5 @@ return react_1.default.createElement(ExternalStoreContext.Provider, { value: store }, props.children);
     LensProvider.displayName = "Lens(Provider)";
-    var StatefulLensProvider = react_1.default.forwardRef(function (props, ref) {
-        var _a = react_1.default.useState(props.initialValue), state = _a[0], setState = _a[1];
-        react_1.default.useImperativeHandle(ref, function () { return ({ state: state }); }, [state]);
+    const StatefulLensProvider = react_1.default.forwardRef((props, ref) => {
+        const [state, setState] = react_1.default.useState(props.initialValue);
+        react_1.default.useImperativeHandle(ref, () => ({ state }), [state]);
         return (react_1.default.createElement(LensProvider, { value: state, onChange: setState }, props.children));
@@ -57,6 +55,7 @@ });
     return {
-        lens: lens,
-        LensProvider: LensProvider,
+        lens,
+        LensProvider,
     };
 };
 exports.react = react;
+//# sourceMappingURL=react.js.map

build/shallow-copy.js

 "use strict";
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
-};
-var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
-    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
-        if (ar || !(i in from)) {
-            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
-            ar[i] = from[i];
-        }
-    }
-    return to.concat(ar || Array.prototype.slice.call(from));
-};
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.shallowCopy = void 0;
-var is_object_1 = require("./is-object");
-var deepCopy = function (obj) { return JSON.parse(JSON.stringify(obj)); };
-var shallowCopy = function (obj) {
+const is_object_1 = require("./is-object");
+const deepCopy = (obj) => JSON.parse(JSON.stringify(obj));
+const shallowCopy = (obj) => {
     /**
@@ -32,6 +12,6 @@ * Need to do this check to ensure that referential
     if ((0, is_object_1.isObject)(obj)) {
-        return __assign({}, obj);
+        return Object.assign({}, obj);
     }
     else if (Array.isArray(obj)) {
-        return __spreadArray([], obj, true);
+        return [...obj];
     }
@@ -46,1 +26,2 @@ else {
 exports.shallowCopy = shallowCopy;
+//# sourceMappingURL=shallow-copy.js.map

build/should-update.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.normalizeShouldUpdate = void 0;
-var normalizeShouldUpdate = function (shouldUpdate) {
+const normalizeShouldUpdate = (shouldUpdate) => {
     if (typeof shouldUpdate === "function") {
@@ -9,5 +9,4 @@ return shouldUpdate;
     if (Array.isArray(shouldUpdate)) {
-        return function (prev, next) {
-            for (var _i = 0, shouldUpdate_1 = shouldUpdate; _i < shouldUpdate_1.length; _i++) {
-                var key = shouldUpdate_1[_i];
+        return (prev, next) => {
+            for (const key of shouldUpdate) {
                 if (prev[key] !== next[key]) {
@@ -21,4 +20,4 @@ return true;
     else {
-        return function (prev, next) {
-            for (var key in shouldUpdate) {
+        return (prev, next) => {
+            for (const key in shouldUpdate) {
                 if (shouldUpdate[key] === true && prev[key] !== next[key]) {
@@ -33,1 +32,2 @@ return true;
 exports.normalizeShouldUpdate = normalizeShouldUpdate;
+//# sourceMappingURL=should-update.js.map

build/test-lens.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.testLens = void 0;
-var basic_lens_1 = require("./basic-lens");
-var external_store_1 = require("./external-store");
-var proxy_lens_1 = require("./proxy-lens");
-var use_sync_external_store_with_lens_1 = require("./use-sync-external-store-with-lens");
-var testLens = function (initialState) {
-    var store = (0, external_store_1.externalStore)(initialState);
-    var lens = (0, proxy_lens_1.proxyLens)({
+const basic_lens_1 = require("./basic-lens");
+const external_store_1 = require("./external-store");
+const proxy_lens_1 = require("./proxy-lens");
+const use_sync_external_store_with_lens_1 = require("./use-sync-external-store-with-lens");
+const testLens = (initialState) => {
+    const store = (0, external_store_1.externalStore)(initialState);
+    const lens = (0, proxy_lens_1.proxyLens)({
         lens: (0, basic_lens_1.basicLens)(),
-        createUse: function (lens) { return function (shouldUpdate) { return (0, use_sync_external_store_with_lens_1.useSyncExternalStoreWithLens)(store, lens, shouldUpdate); }; },
+        createUse: (lens) => (shouldUpdate) => (0, use_sync_external_store_with_lens_1.useSyncExternalStoreWithLens)(store, lens, shouldUpdate),
     });
-    var ref = {
+    const ref = {
         get current() {
@@ -19,3 +19,3 @@ return store.getSnapshot();
         set current(next) {
-            store.update(function () { return next; });
+            store.update(() => next);
         },
@@ -26,1 +26,2 @@ };
 exports.testLens = testLens;
+//# sourceMappingURL=test-lens.js.map

build/use-sync-external-store-with-lens.js

@@ -7,15 +7,14 @@ "use strict";
 exports.useSyncExternalStoreWithLens = void 0;
-var react_1 = __importDefault(require("react"));
-var basic_lens_1 = require("./basic-lens");
-var should_update_1 = require("./should-update");
-var nothing = Symbol();
-var useSyncExternalStoreWithLens = function (store, lens, shouldUpdate) {
-    if (shouldUpdate === void 0) { shouldUpdate = function () { return true; }; }
+const react_1 = __importDefault(require("react"));
+const basic_lens_1 = require("./basic-lens");
+const should_update_1 = require("./should-update");
+const nothing = Symbol();
+const useSyncExternalStoreWithLens = (store, lens, shouldUpdate = () => true) => {
     /**
      * Track the previously resolved state, starting with `Nothing`.
      */
-    var prevRef = react_1.default.useRef(nothing);
-    var getSnapshot = function () {
-        var prev = prevRef.current;
-        var next = lens.get(store.getSnapshot());
+    const prevRef = react_1.default.useRef(nothing);
+    const getSnapshot = () => {
+        const prev = prevRef.current;
+        const next = lens.get(store.getSnapshot());
         /**
@@ -28,3 +27,3 @@ * If the `prev` is `Nothing` then this is the first render,
         }
-        var normalShouldUpdate = (0, should_update_1.normalizeShouldUpdate)(shouldUpdate);
+        const normalShouldUpdate = (0, should_update_1.normalizeShouldUpdate)(shouldUpdate);
         /**
@@ -42,4 +41,4 @@ * If we should update then return the `next`.
     };
-    var state = react_1.default.useSyncExternalStore(store.subscribe, getSnapshot);
-    var setState = react_1.default.useCallback(function (updater) { return store.update((0, basic_lens_1.update)(lens, updater)); }, [store]);
+    const state = react_1.default.useSyncExternalStore(store.subscribe, getSnapshot);
+    const setState = react_1.default.useCallback((updater) => store.update((0, basic_lens_1.update)(lens, updater)), [store]);
     /**
@@ -53,1 +52,2 @@ * Assign the current state to the previous state so that when `getSnapshot`
 exports.useSyncExternalStoreWithLens = useSyncExternalStoreWithLens;
+//# sourceMappingURL=use-sync-external-store-with-lens.js.map

package.json

 {
   "name": "concave",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "Basic lensing for React",
@@ -9,3 +9,8 @@ "main": "build/index.js",
   "license": "MIT",
-  "keywords": ["react", "lens", "optics", "state"],
+  "keywords": [
+    "react",
+    "lens",
+    "optics",
+    "state"
+  ],
   "repository": {
@@ -12,0 +17,0 @@ "type": "git",

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Found 1 instance in 1 package

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Improved metrics

Number of package files

32

increased by39.13%

Worsened metrics

Total package byte prevSize

31776

decreased by-26.71%

Lines of code

487

decreased by-8.63%

No dependency changes