first complete version

flags.js

@@ -1,50 +1,11 @@
-"use strict";
-exports.__esModule = true;
-var applyFlagHandler = function (fn) { return function (flags) { return function (initial) {
-    if (initial === void 0) { initial = 0; }
-    return fn(flags)(initial);
-}; }; };
-var $isset = function (flag) { return function (flags) {
-    if (flags === void 0) { flags = 0; }
-    return (flags & flag) === flag;
-}; };
-var $set = function (flag) { return function (flags) {
-    if (flags === void 0) { flags = 0; }
-    return flags | flag;
-}; };
-var $unset = function (flag) { return function (flags) {
-    if (flags === void 0) { flags = 0; }
-    return flags ^ flag;
-}; };
-var $toggle = function (flag) { return function (flags) {
-    if (flags === void 0) { flags = 0; }
-    return $isset(flag)(flags) ? $unset(flag)(flags) : $set(flag)(flags);
-}; };
-var combine = function () {
-    var options = [];
-    for (var _i = 0; _i < arguments.length; _i++) {
-        options[_i] = arguments[_i];
-    }
-    return options.reduce(function (flags, flag) { return $set(flag)(flags); }, 0);
-};
-exports.combine = combine;
-var createMultiFlagHandler = function (fn) { return function () {
-    var options = [];
-    for (var _i = 0; _i < arguments.length; _i++) {
-        options[_i] = arguments[_i];
-    }
-    return function (flags) {
-        if (flags === void 0) { flags = 0; }
-        return applyFlagHandler(fn)(combine.apply(void 0, options))(flags);
-    };
-}; };
-var set = createMultiFlagHandler($set);
-exports.set = set;
-var unset = createMultiFlagHandler($unset);
-exports.unset = unset;
-var toggle = createMultiFlagHandler($toggle);
-exports.toggle = toggle;
-var isset = createMultiFlagHandler($isset);
-exports.isset = isset;
-var settings = set(1, 4, 8)();
-console.log(isset(4)(settings));
+const $isset = (flag, flags = 0) => (flags & flag) === flag;
+const $set = (flag, flags = 0) => flags | flag;
+const $unset = (flag, flags = 0) => flags ^ flag;
+const $toggle = (flag, flags = 0) => $isset(flag, flags) ? $unset(flag, flags) : $set(flag, flags);
+const combine = (...options) => options.reduce((flags, flag) => $set(flag, flags), 0);
+const createMultiFlagHandler = (fn) => (...options) => (flags = 0) => fn(combine(...options), flags);
+const set = createMultiFlagHandler($set);
+const unset = createMultiFlagHandler($unset);
+const toggle = createMultiFlagHandler($toggle);
+const isset = createMultiFlagHandler($isset);
+export { combine, set, unset, toggle, isset };

flags.ts

@@ -1,23 +1,19 @@
-type FlagHandler = (flag: number) => (flags: number) => number | boolean
+const $isset = (flag: number, flags = 0) => (flags & flag) === flag
+const $set = (flag: number, flags = 0) => flags | flag
+const $unset = (flag: number, flags = 0) => flags ^ flag
+const $toggle = (flag: number, flags = 0) => $isset(flag, flags) ? $unset(flag, flags) : $set(flag, flags)
 
-const applyFlagHandler = (fn: FlagHandler) => (flags: number) => (initial = 0) => fn(flags)(initial)
+const combine = (...options: number[]) => options.reduce((flags, flag) => $set(flag, flags), 0)
 
-const $isset = (flag: number) => (flags = 0): boolean => (flags & flag) === flag
-const $set = (flag: number) => (flags = 0): number => flags | flag
-const $unset = (flag: number) => (flags = 0): number => flags ^ flag
-const $toggle = (flag: number) => (flags = 0): number => $isset(flag)(flags) ? $unset(flag)(flags) : $set(flag)(flags)
-
-const combine = (...options: number[]) => options.reduce((flags, flag) => $set(flag)(flags), 0)
-const createMultiFlagHandler = (fn: FlagHandler) => (...options: number[]) => (flags = 0) => applyFlagHandler(fn)(combine(...options))(flags) 
+const createMultiFlagHandler = <T>(fn: (flag: number, flags: number) => T) => 
+    (...options: number[]) => 
+        (flags = 0): T => fn(combine(...options), flags) 
 
 const set = createMultiFlagHandler($set)
 const unset = createMultiFlagHandler($unset)
 const toggle = createMultiFlagHandler($toggle)
 const isset = createMultiFlagHandler($isset)
 
-const settings = set(1, 4, 8)()
-console.log(isset(4)(settings))
-
 export {
     combine,
     set,

package-lock.json

@@ -4,10 +4,528 @@
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+        "strip-ansi": "^3.0.1",
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     }
   }
 }

package.json

@@ -4,12 +4,18 @@
   "description": "",
   "main": "flags.js",
   "scripts": {
+    "compile": "tsc flags.ts -d -t ESNext --removeComments --strict",
+    "uglify": "terser -cm -o flags.min.js --module -- flags.js",
+    "build": "npm run compile && npm run uglify",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "dependencies": {
+  "dependencies": {},
+  "devDependencies": {
+    "dts-gen": "^0.5.8",
+    "terser": "^4.3.9",
     "typescript": "^3.6.4"
   }
 }