add to git

.gitignore

+.idea

dist/index.d.ts

+export interface IDecorator {
+    (clazz: object, name: string, props: PropertyDescriptor): any;
+}
+export interface IDecoratorBuilder<T> {
+    (input: T): IDecorator;
+}
+export interface IDynamicDecorator<T> extends IDecorator, IDecoratorBuilder<T> {
+    (clazz: object | T, name: string, props: PropertyDescriptor): any | IDecorator;
+}
+export declare function dynamicDecorator<T>(defaultArg: T, builder: IDecoratorBuilder<T>): IDynamicDecorator<T>;

dist/index.js

+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function dynamicDecorator(defaultArg, builder) {
+    return function () {
+        const args = arguments;
+        if (args.length > 1) {
+            builder(defaultArg).apply(null, args);
+        }
+        else {
+            return builder(args[0]);
+        }
+    };
+}
+exports.dynamicDecorator = dynamicDecorator;
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file

lib/index.ts

+export interface IDecorator {
+    (clazz: object, name: string, props: PropertyDescriptor): any
+}
+
+export interface IDecoratorBuilder<T> {
+    (input: T): IDecorator
+}
+
+export interface IDynamicDecorator<T> extends IDecorator, IDecoratorBuilder<T> {
+    (clazz: object | T, name: string, props: PropertyDescriptor): any | IDecorator;
+}
+
+export function dynamicDecorator<T>(defaultArg: T, builder: IDecoratorBuilder<T>): IDynamicDecorator<T> {
+    return function () {
+        const args = arguments;
+        if (args.length > 1) {
+            builder(defaultArg).apply(null, args);
+        } else {
+            return builder(args[0]);
+        }
+    }
+}

package.json

+{
+  "name": "dynamic-decorator",
+  "version": "1.0.0",
+  "description": "create dynamic decorator",
+  "main": "dist/index.js",
+  "scripts": {
+    "test": "ts-node test.ts"
+  },
+  "keywords": [
+    "dynamic",
+    "decorator",
+    "TypeScript",
+    "ts"
+  ],
+  "author": "jerry4718",
+  "license": "ISC"
+}

tsconfig.json

+{
+  "compileOnSave": true,
+  "compilerOptions": {
+    "module": "commonjs",
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "esModuleInterop": true,
+    "target": "es6",
+    "noImplicitAny": true,
+    "moduleResolution": "node",
+    "inlineSourceMap": true,
+    "outDir": "dist",
+    "baseUrl": ".",
+    "lib": [
+      "es2017"
+    ],
+    "pretty": true,
+    "declaration": true,
+    "paths": {}
+  },
+  "include": [
+    "lib/**/*"
+  ]
+}

tslint.json

+{
+    "rules": {
+        "class-name": true,
+        "comment-format": [
+            true,
+            "check-space"
+        ],
+        "indent": [
+            true,
+            "spaces"
+        ],
+        "one-line": [
+            true,
+            "check-open-brace",
+            "check-whitespace"
+        ],
+        "no-var-keyword": true,
+        "semicolon": [
+            true,
+            "always",
+            "ignore-bound-class-methods"
+        ],
+        "whitespace": [
+            true,
+            "check-branch",
+            "check-decl",
+            "check-operator",
+            "check-module",
+            "check-separator",
+            "check-type"
+        ],
+        "typedef-whitespace": [
+            true,
+            {
+                "call-signature": "nospace",
+                "index-signature": "nospace",
+                "parameter": "nospace",
+                "property-declaration": "nospace",
+                "variable-declaration": "nospace"
+            },
+            {
+                "call-signature": "onespace",
+                "index-signature": "onespace",
+                "parameter": "onespace",
+                "property-declaration": "onespace",
+                "variable-declaration": "onespace"
+            }
+        ],
+        "no-internal-module": true,
+        "no-trailing-whitespace": true,
+        "no-null-keyword": true,
+        "prefer-const": true,
+        "jsdoc-format": true
+    }
+}