refactor(checks): update all as arrow fns

thi-ng · Jan 5, 2019 · b70a3e1 · b70a3e1
1 parent 3038a84
commit b70a3e1
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Showing 51 changed files with 152 additions and 173 deletions.
diff --git a/packages/checks/src/exists-not-null.ts b/packages/checks/src/exists-not-null.ts
@@ -1,3 +1,2 @@
-export function existsAndNotNull(x: any) {
-    return x != null;
-}
+export const existsAndNotNull =
+    (x: any) => x != null;
diff --git a/packages/checks/src/exists.ts b/packages/checks/src/exists.ts
@@ -1,3 +1,2 @@
-export function exists(x: any) {
-    return x !== undefined;
-}
+export const exists =
+    (x: any) => x !== undefined;
diff --git a/packages/checks/src/has-crypto.ts b/packages/checks/src/has-crypto.ts
@@ -1,3 +1,2 @@
-export function hasCrypto() {
-    return typeof window !== "undefined" && window["crypto"] !== undefined;
-}
+export const hasCrypto =
+    () => typeof window !== "undefined" && window["crypto"] !== undefined;
diff --git a/packages/checks/src/has-max-length.ts b/packages/checks/src/has-max-length.ts
@@ -1,3 +1,3 @@
-export function hasMaxLength(len: number, x: ArrayLike<any>) {
-    return x != null && x.length <= len;
-}
+export const hasMaxLength =
+    (len: number, x: ArrayLike<any>) =>
+        x != null && x.length <= len;
diff --git a/packages/checks/src/has-min-length.ts b/packages/checks/src/has-min-length.ts
@@ -1,3 +1,3 @@
-export function hasMinLength(len: number, x: ArrayLike<any>) {
-    return x != null && x.length >= len;
-}
+export const hasMinLength =
+    (len: number, x: ArrayLike<any>) =>
+        x != null && x.length >= len;
diff --git a/packages/checks/src/has-performance.ts b/packages/checks/src/has-performance.ts
@@ -1,5 +1,4 @@
 import { isFunction } from "./is-function";
 
-export function hasPerformance() {
-    return typeof performance !== 'undefined' && isFunction(performance.now);
-}
+export const hasPerformance =
+    () => typeof performance !== 'undefined' && isFunction(performance.now);
diff --git a/packages/checks/src/has-wasm.ts b/packages/checks/src/has-wasm.ts
@@ -1,4 +1,4 @@
-export function hasWASM() {
-    return (typeof window !== "undefined" && typeof window["WebAssembly"] !== "undefined") ||
+export const hasWASM =
+    () =>
+        (typeof window !== "undefined" && typeof window["WebAssembly"] !== "undefined") ||
         (typeof global !== "undefined" && typeof global["WebAssembly"] !== "undefined");
-}
diff --git a/packages/checks/src/has-webgl.ts b/packages/checks/src/has-webgl.ts
@@ -1,8 +1,9 @@
-export function hasWebGL() {
-    try {
-        document.createElement("canvas").getContext("webgl");
-        return true;
-    } catch (e) {
-        return false;
-    }
-}
+export const hasWebGL =
+    () => {
+        try {
+            document.createElement("canvas").getContext("webgl");
+            return true;
+        } catch (e) {
+            return false;
+        }
+    };
diff --git a/packages/checks/src/has-websocket.ts b/packages/checks/src/has-websocket.ts
@@ -1,3 +1,2 @@
-export function hasWebSocket() {
-    return typeof WebSocket !== "undefined";
-}
+export const hasWebSocket =
+    () => typeof WebSocket !== "undefined";
diff --git a/packages/checks/src/implements-function.ts b/packages/checks/src/implements-function.ts
@@ -1,3 +1,3 @@
-export function implementsFunction(x: any, fn: string | symbol) {
-    return x != null && typeof x[fn] === "function";
-}
+export const implementsFunction =
+    (x: any, fn: string | symbol) =>
+        x != null && typeof x[fn] === "function";
diff --git a/packages/checks/src/is-arraylike.ts b/packages/checks/src/is-arraylike.ts
@@ -1,3 +1,3 @@
-export function isArrayLike(x: any): x is ArrayLike<any> {
-    return (x != null && typeof x !== "function" && x.length !== undefined);
-}
+export const isArrayLike =
+    (x: any): x is ArrayLike<any> =>
+        (x != null && typeof x !== "function" && x.length !== undefined);
diff --git a/packages/checks/src/is-blob.ts b/packages/checks/src/is-blob.ts
@@ -1,3 +1,2 @@
-export function isBlob(x: any): x is Blob {
-    return x instanceof Blob;
-}
+export const isBlob =
+    (x: any): x is Blob => x instanceof Blob;
diff --git a/packages/checks/src/is-boolean.ts b/packages/checks/src/is-boolean.ts
@@ -1,3 +1,2 @@
-export function isBoolean(x: any): x is boolean {
-    return typeof x === "boolean";
-}
+export const isBoolean =
+    (x: any): x is boolean => typeof x === "boolean";
diff --git a/packages/checks/src/is-chrome.ts b/packages/checks/src/is-chrome.ts
@@ -1,3 +1,2 @@
-export function isChrome() {
-    return typeof window !== "undefined" && !!window["chrome"];
-}
+export const isChrome =
+    () => typeof window !== "undefined" && !!window["chrome"];
diff --git a/packages/checks/src/is-date.ts b/packages/checks/src/is-date.ts
@@ -1,3 +1,2 @@
-export function isDate(x: any): x is Date {
-    return x instanceof Date;
-}
+export const isDate =
+    (x: any): x is Date => x instanceof Date;
diff --git a/packages/checks/src/is-even.ts b/packages/checks/src/is-even.ts
@@ -1,3 +1,2 @@
-export function isEven(x: number) {
-    return (x % 2) === 0;
-}
+export const isEven =
+    (x: number) => (x % 2) === 0;
diff --git a/packages/checks/src/is-false.ts b/packages/checks/src/is-false.ts
@@ -1,3 +1,2 @@
-export function isFalse(x: any): x is false {
-    return x === false;
-}
+export const isFalse =
+    (x: any): x is false => x === false;
diff --git a/packages/checks/src/is-file.ts b/packages/checks/src/is-file.ts
@@ -1,3 +1,2 @@
-export function isFile(x: any): x is File {
-    return x instanceof File;
-}
+export const isFile =
+    (x: any): x is File => x instanceof File;
diff --git a/packages/checks/src/is-firefox.ts b/packages/checks/src/is-firefox.ts
@@ -1,3 +1,2 @@
-export function isFirefox() {
-    return typeof window !== "undefined" && !!window["InstallTrigger"];
-}
+export const isFirefox =
+    () => typeof window !== "undefined" && !!window["InstallTrigger"];
diff --git a/packages/checks/src/is-function.ts b/packages/checks/src/is-function.ts
@@ -1,3 +1,2 @@
-export function isFunction(x: any): x is Function {
-    return typeof x === "function";
-}
+export const isFunction =
+    (x: any): x is Function => typeof x === "function";
diff --git a/packages/checks/src/is-ie.ts b/packages/checks/src/is-ie.ts
@@ -1,5 +1,5 @@
-export function isIE() {
-    return typeof document !== "undefined" &&
+export const isIE =
+    () =>
+        typeof document !== "undefined" &&
         (typeof document["documentMode"] !== "undefined" ||
             navigator.userAgent.indexOf("MSIE") > 0);
-}
diff --git a/packages/checks/src/is-in-range.ts b/packages/checks/src/is-in-range.ts
@@ -1,3 +1,3 @@
-export function isInRange(min: number, max: number, x: number) {
-    return x >= min && x <= max;
-}
+export const isInRange =
+    (min: number, max: number, x: number) =>
+        x >= min && x <= max;
diff --git a/packages/checks/src/is-int32.ts b/packages/checks/src/is-int32.ts
@@ -1,3 +1,3 @@
-export function isInt32(x: any): x is number {
-    return typeof x === "number" && (x | 0) === x;
-}
+export const isInt32 =
+    (x: any): x is number =>
+        typeof x === "number" && (x | 0) === x;
diff --git a/packages/checks/src/is-iterable.ts b/packages/checks/src/is-iterable.ts
@@ -1,3 +1,3 @@
-export function isIterable(x: any): x is Iterable<any> {
-    return x != null && typeof x[Symbol.iterator] === "function";
-}
+export const isIterable =
+    (x: any): x is Iterable<any> =>
+        x != null && typeof x[Symbol.iterator] === "function";
diff --git a/packages/checks/src/is-map.ts b/packages/checks/src/is-map.ts
@@ -1,3 +1,2 @@
-export function isMap(x: any): x is Map<any, any> {
-    return x instanceof Map;
-}
+export const isMap =
+    (x: any): x is Map<any, any> => x instanceof Map;
diff --git a/packages/checks/src/is-mobile.ts b/packages/checks/src/is-mobile.ts
@@ -1,5 +1,5 @@
-export function isMobile() {
-    return typeof navigator !== "undefined" &&
+export const isMobile =
+    () =>
+        typeof navigator !== "undefined" &&
         /mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent) &&
         !/crios/i.test(navigator.userAgent);
-}
diff --git a/packages/checks/src/is-nan.ts b/packages/checks/src/is-nan.ts
@@ -1,3 +1,2 @@
-export function isNaN(x: any) {
-    return x !== x;
-}
+export const isNaN =
+    (x: any) => x !== x;
diff --git a/packages/checks/src/is-negative.ts b/packages/checks/src/is-negative.ts
@@ -1,3 +1,3 @@
-export function isNegative(x: any): x is number {
-    return typeof x === "number" && x < 0;
-}
+export const isNegative =
+    (x: any): x is number =>
+        typeof x === "number" && x < 0;
diff --git a/packages/checks/src/is-node.ts b/packages/checks/src/is-node.ts
@@ -1,12 +1,13 @@
 declare var process: any;
 
-export function isNode() {
-    if (typeof process === "object") {
-        if (typeof process.versions === "object") {
-            if (typeof process.versions.node !== "undefined") {
-                return true;
+export const isNode =
+    () => {
+        if (typeof process === "object") {
+            if (typeof process.versions === "object") {
+                if (typeof process.versions.node !== "undefined") {
+                    return true;
+                }
             }
         }
-    }
-    return false;
-}
+        return false;
+    };
diff --git a/packages/checks/src/is-not-string-iterable.ts b/packages/checks/src/is-not-string-iterable.ts
@@ -1,5 +1,5 @@
-export function isNotStringAndIterable(x: any): x is Iterable<any> {
-    return x != null &&
+export const isNotStringAndIterable =
+    (x: any): x is Iterable<any> =>
+        x != null &&
         typeof x !== "string" &&
         typeof x[Symbol.iterator] === "function";
-}
diff --git a/packages/checks/src/is-null.ts b/packages/checks/src/is-null.ts
@@ -1,3 +1,2 @@
-export function isNull(x: any): x is null {
-    return x === null;
-}
+export const isNull =
+    (x: any): x is null => x === null;
diff --git a/packages/checks/src/is-number.ts b/packages/checks/src/is-number.ts
@@ -1,3 +1,2 @@
-export function isNumber(x: any): x is number {
-    return typeof x === "number";
-}
+export const isNumber =
+    (x: any): x is number => typeof x === "number";
diff --git a/packages/checks/src/is-object.ts b/packages/checks/src/is-object.ts
@@ -1,3 +1,3 @@
-export function isObject(x: any): x is Object {
-    return x !== null && typeof x === "object";
-}
+export const isObject =
+    (x: any): x is Object =>
+        x !== null && typeof x === "object";
diff --git a/packages/checks/src/is-odd.ts b/packages/checks/src/is-odd.ts
@@ -1,3 +1,2 @@
-export function isOdd(x: number) {
-    return (x % 2) !== 0;
-}
+export const isOdd =
+    (x: number) => (x % 2) !== 0;
diff --git a/packages/checks/src/is-plain-object.ts b/packages/checks/src/is-plain-object.ts
@@ -6,8 +6,9 @@ const OBJP = Object.getPrototypeOf({});
  *
  * @param x
  */
-export function isPlainObject(x: any): x is object {
-    let proto;
-    return Object.prototype.toString.call(x) === "[object Object]" &&
-        (proto = Object.getPrototypeOf(x), proto === null || proto === OBJP);
-}
+export const isPlainObject =
+    (x: any): x is object => {
+        let proto;
+        return Object.prototype.toString.call(x) === "[object Object]" &&
+            (proto = Object.getPrototypeOf(x), proto === null || proto === OBJP);
+    };
diff --git a/packages/checks/src/is-positive.ts b/packages/checks/src/is-positive.ts
@@ -1,3 +1,2 @@
-export function isPosititve(x: any): x is number {
-    return typeof x === "number" && x > 0;
-}
+export const isPosititve =
+    (x: any): x is number => typeof x === "number" && x > 0;
diff --git a/packages/checks/src/is-promise.ts b/packages/checks/src/is-promise.ts
@@ -1,3 +1,2 @@
-export function isPromise(x: any): x is Promise<any> {
-    return x instanceof Promise;
-}
+export const isPromise =
+    (x: any): x is Promise<any> => x instanceof Promise;
diff --git a/packages/checks/src/is-promiselike.ts b/packages/checks/src/is-promiselike.ts
@@ -1,6 +1,6 @@
 import { implementsFunction } from "./implements-function";
 
-export function isPromiseLike(x: any): x is Promise<any> {
-    return x instanceof Promise ||
+export const isPromiseLike =
+    (x: any): x is Promise<any> =>
+        x instanceof Promise ||
         (implementsFunction(x, "then") && implementsFunction(x, "catch"));
-}
diff --git a/packages/checks/src/is-regexp.ts b/packages/checks/src/is-regexp.ts
@@ -1,3 +1,2 @@
-export function isRegExp(x: any): x is RegExp {
-    return x instanceof RegExp;
-}
+export const isRegExp =
+    (x: any): x is RegExp => x instanceof RegExp;
diff --git a/packages/checks/src/is-safari.ts b/packages/checks/src/is-safari.ts
@@ -1,5 +1,7 @@
 import { isChrome } from "./is-chrome";
 
-export function isSafari() {
-    return typeof navigator !== "undefined" && /Safari/.test(navigator.userAgent) && !isChrome();
-}
+export const isSafari =
+    () =>
+        typeof navigator !== "undefined" &&
+        /Safari/.test(navigator.userAgent) &&
+        !isChrome();
diff --git a/packages/checks/src/is-set.ts b/packages/checks/src/is-set.ts
@@ -1,3 +1,2 @@
-export function isSet(x: any): x is Set<any> {
-    return x instanceof Set;
-}
+export const isSet =
+    (x: any): x is Set<any> => x instanceof Set;
diff --git a/packages/checks/src/is-string.ts b/packages/checks/src/is-string.ts
@@ -1,3 +1,2 @@
-export function isString(x: any): x is string {
-    return typeof x === "string";
-}
+export const isString =
+    (x: any): x is string => typeof x === "string";
diff --git a/packages/checks/src/is-symbol.ts b/packages/checks/src/is-symbol.ts
@@ -1,3 +1,2 @@
-export function isSymbol(x: any): x is Symbol {
-    return typeof x === "symbol";
-}
+export const isSymbol =
+    (x: any): x is Symbol => typeof x === "symbol";
diff --git a/packages/checks/src/is-transferable.ts b/packages/checks/src/is-transferable.ts
@@ -1,7 +1,7 @@
 declare var SharedArrayBuffer: any;
 
-export function isTransferable(x: any) {
-    return x instanceof ArrayBuffer ||
+export const isTransferable =
+    (x: any) =>
+        x instanceof ArrayBuffer ||
         (typeof SharedArrayBuffer !== "undefined" && x instanceof SharedArrayBuffer) ||
         (typeof MessagePort !== "undefined" && x instanceof MessagePort);
-}
diff --git a/packages/checks/src/is-true.ts b/packages/checks/src/is-true.ts
@@ -1,3 +1,2 @@
-export function isTrue(x: any): x is boolean {
-    return x === true;
-}
+export const isTrue =
+    (x: any): x is boolean => x === true;
diff --git a/packages/checks/src/is-typedarray.ts b/packages/checks/src/is-typedarray.ts
@@ -1,11 +1,11 @@
-export function isTypedArray(x: any): x is ArrayLike<number> {
-    return x && (x.constructor === Float32Array ||
-        x.constructor === Uint32Array ||
-        x.constructor === Uint8Array ||
-        x.constructor === Uint8ClampedArray ||
-        x.constructor === Int8Array ||
-        x.constructor === Uint16Array ||
-        x.constructor === Int16Array ||
-        x.constructor === Int32Array ||
-        x.constructor === Float64Array);
-}
+export const isTypedArray =
+    (x: any): x is ArrayLike<number> =>
+        x && (x.constructor === Float32Array ||
+            x.constructor === Uint32Array ||
+            x.constructor === Uint8Array ||
+            x.constructor === Uint8ClampedArray ||
+            x.constructor === Int8Array ||
+            x.constructor === Uint16Array ||
+            x.constructor === Int16Array ||
+            x.constructor === Int32Array ||
+            x.constructor === Float64Array);
diff --git a/packages/checks/src/is-uint32.ts b/packages/checks/src/is-uint32.ts
@@ -1,3 +1,3 @@
-export function isUint32(x: any): x is number {
-    return typeof x === "number" && (x >>> 0) === x;
-}
+export const isUint32 =
+    (x: any): x is number =>
+        typeof x === "number" && (x >>> 0) === x;
diff --git a/packages/checks/src/is-undefined.ts b/packages/checks/src/is-undefined.ts
@@ -1,3 +1,2 @@
-export function isUndefined(x: any): x is undefined {
-    return x === undefined;
-}
+export const isUndefined =
+    (x: any): x is undefined => x === undefined;
diff --git a/packages/checks/src/is-uuid.ts b/packages/checks/src/is-uuid.ts
@@ -1,3 +1,4 @@
-export function isUUID(x: string) {
-    return /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i.test(x);
-}
+const RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
+
+export const isUUID =
+    (x: string) => RE.test(x);
diff --git a/packages/checks/src/is-uuid4.ts b/packages/checks/src/is-uuid4.ts
@@ -1,3 +1,4 @@
-export function isUUIDv4(x: string) {
-    return /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(x);
-}
+const RE = /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
+
+export const isUUIDv4 =
+    (x: string) => RE.test(x);