typescript-class-helpers
Version:
Usefull helper to have in your typescript project
90 lines • 11.5 kB
JavaScript
import { _ } from 'tnp-core/browser';
import { SYMBOL } from './symbols';
import { getStorage } from './storage';
import { CLASSNAME } from './classname';
import { CLASS } from './index';
function getClasses() {
const s = getStorage();
return s[SYMBOL.CLASSES];
}
// @ts-ignore
export function setClassName(target, className, options) {
let { classFamily, uniqueKey, classNameInBrowser, singleton } = options || {
classFamily: void 0,
uniqueKey: 'id',
classNameInBrowser: void 0,
singleton: void 0,
autoinstance: false
};
if (!_.isUndefined(singleton) && _.isBoolean(singleton) && singleton) {
singleton = 'first-instance';
}
if (!uniqueKey) {
uniqueKey = 'id';
}
if (target) {
const config = _.first(CLASSNAME.getClassConfig(target));
config.className = className;
config.uniqueKey = uniqueKey;
config.classNameInBrowser = classNameInBrowser;
}
const existed = getClasses()
.find(f => f.className === className);
if (existed) {
existed.target = target;
}
else {
const res = {
className,
classNameInBrowser,
target,
uniqueKey,
classFamily
};
if (_.isUndefined(classFamily)) {
Object.defineProperty(res, 'classFamily', {
get: function () {
const parent = Object.getPrototypeOf(target);
if (!_.isFunction(parent) || parent.name === 'Object' || parent.name === '') {
return className;
}
const classNameNew = CLASSNAME.getClassName(parent);
return CLASSNAME.getClassFamilyByClassName(classNameNew);
}
});
}
getClasses().push(res);
}
const Original = target;
if (singleton === 'first-instance' || singleton === 'last-instance') {
const obj = {
// @ts-ignore
decoratedConstructor: function (...args) {
const context = Original.apply(this, args);
const existedSingleton = CLASS.getSingleton(Original);
if (!existedSingleton || singleton === 'last-instance') {
CLASS.setSingletonObj(Original, this);
CLASS.setSingletonObj(obj.decoratedConstructor, this);
}
else {
}
return context;
}
};
obj.decoratedConstructor.prototype = Original.prototype;
// @ts-ignore
Object.keys(Original).forEach((name) => { obj.decoratedConstructor[name] = Original[name]; });
Object.defineProperty(obj.decoratedConstructor, 'name', {
value: className,
configurable: true,
});
return obj.decoratedConstructor;
}
else if (singleton === 'autoinstance') {
const auto = new Original();
CLASS.setSingletonObj(Original, auto);
}
}
;
({}); // @--end-of-file-for-module=typescript-class-helpers lib/set-class-name.ts
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target: Function; }[])\n    .find(f => f.className === className)\n\n  if (existed) {\n    existed.target = target;\n  } else {\n    const res = {\n      className,\n      classNameInBrowser,\n      target,\n      uniqueKey,\n      classFamily\n    }\n\n    if (_.isUndefined(classFamily)) {\n      Object.defineProperty(res, 'classFamily', {\n        get: function () {\n          const parent = Object.getPrototypeOf(target);\n          if (!_.isFunction(parent) || parent.name === 'Object' || parent.name === '') {\n            return className;\n          }\n          const classNameNew = CLASSNAME.getClassName(parent)\n          return CLASSNAME.getClassFamilyByClassName(classNameNew)\n        }\n      })\n    }\n    getClasses().push(res)\n  }\n  const Original = target;\n\n\n  if (singleton === 'first-instance' || singleton === 'last-instance') {\n    const obj = {\n      // @ts-ignore\n      decoratedConstructor: function (...args) {\n\n        const context = Original.apply(this, args);\n\n        const existedSingleton = CLASS.getSingleton(Original)\n        if (!existedSingleton || singleton === 'last-instance') {\n          CLASS.setSingletonObj(Original, this)\n          CLASS.setSingletonObj(obj.decoratedConstructor, this)\n\n        }\n        else {\n\n        }\n\n        return context;\n      }\n    };\n\n\n    obj.decoratedConstructor.prototype = Original.prototype;\n    // @ts-ignore\n    Object.keys(Original).forEach((name: string) => { obj.decoratedConstructor[name] = (<any>Original)[name]; });\n    Object.defineProperty(obj.decoratedConstructor, 'name', {\n      value: className,\n      configurable: true,\n    })\n\n\n    return obj.decoratedConstructor;\n  } else if (singleton === 'autoinstance') {\n\n\n    const auto = new (Original as any)();\n    CLASS.setSingletonObj(Original, auto)\n\n\n  }\n}\n\n ;({}); // @--end-of-file-for-module=typescript-class-helpers lib/set-class-name.ts"]}