ing
This commit is contained in:
crusader
parent
529d717588
commit
13721a3814
6
package-lock.json
generated
6
package-lock.json
generated
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@ -752,9 +752,9 @@
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}
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},
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"tslint-config-prettier": {
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"version": "1.12.0",
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"resolved": "https://nexus.loafle.net/repository/npm-all/tslint-config-prettier/-/tslint-config-prettier-1.12.0.tgz",
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"integrity": "sha512-7zugK8NWpoDPYT6UNGLDGpQOhk0CSodjkyrTNiHOCjwIAleYKlyQunxpsSXBIoGEs/kFVppd6YzZeQZtrJnyRg==",
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"version": "1.13.0",
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"resolved": "https://nexus.loafle.net/repository/npm-all/tslint-config-prettier/-/tslint-config-prettier-1.13.0.tgz",
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"integrity": "sha512-assE77K7K8Q9j8CVIHiU3d1uoKc8N5v7UPpkQ9IE8BEPWkvSYR37lDuYekDlAMFqR1IpD6CrS+uOJLl6pw7Wdw==",
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"dev": true
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},
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"tslint-config-standard": {
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129
src/Decorator.ts
129
src/Decorator.ts
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@ -1,24 +1,131 @@
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import {
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Type,
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PropertyKeyType,
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} from '@loafer/core';
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import {
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Annotation,
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Class,
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Constructor,
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Field,
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Method,
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Parameter,
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Metadata,
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} from '@loafer/core/reflect';
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export interface Decorator<Attribute = {}> {
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classDecorator?: <TFunction extends Function>(target: TFunction) => TFunction | void;
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propertyDecorator?: (target: Object, propertyKey: PropertyKeyType) => void;
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methodDecorator?: <T>(target: Object, propertyKey: PropertyKeyType,
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descriptor: TypedPropertyDescriptor<T>) => TypedPropertyDescriptor<T> | void;
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parameterDecorator?: (target: Object, propertyKey: PropertyKeyType, parameterIndex: number) => void;
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import {
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TypeUtil,
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} from '@loafer/core/util/TypeUtil';
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import { DecoratorType, DecoratorParametersType } from './type';
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import { NotSupportedDecoratorError } from './error';
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export class Decorator {
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public static register<T extends Annotation>(AnnotationClass: Type<Annotation>, _annotation: T, ...decoratorArgs: any[]) {
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const annotation: Annotation = Object.assign(new AnnotationClass(), _annotation);
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const name: string = AnnotationClass.name;
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const decoratorType: DecoratorType = Decorator.getDecoratorType(decoratorArgs);
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const [target, propertyKey, descriptorOrParameterIndex] = decoratorArgs;
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const clazz: Class = Class._defineClass(TypeUtil.getType(target));
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let field: Field = null;
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let method: Method = null;
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let parameter: Parameter = null;
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let cons: Constructor = null;
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switch (decoratorType) {
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case DecoratorType.CLASS:
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try {
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cons = clazz._defineConstructor(Metadata.getOwnParamTypes(target));
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clazz._addAnnotation(annotation);
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Class.`);
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}
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throw e;
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}
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break;
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case DecoratorType.PROPERTY:
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try {
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field = clazz._defineField(propertyKey, Metadata.getOwnType(target, propertyKey));
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field._addAnnotation(annotation);
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Property.`);
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}
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throw e;
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}
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break;
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case DecoratorType.METHOD:
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try {
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method = clazz._defineMethod(propertyKey,
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Metadata.getOwnParamTypes(target, propertyKey),
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Metadata.getOwnReturnType(target, propertyKey));
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method._addAnnotation(annotation);
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Method.`);
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}
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throw e;
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}
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break;
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case DecoratorType.PARAMETER:
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try {
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if (undefined === propertyKey) {
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cons = clazz.getConstructor();
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parameter = cons.getParameter(descriptorOrParameterIndex);
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} else {
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method = clazz._defineMethod(propertyKey,
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Metadata.getOwnParamTypes(target, propertyKey),
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Metadata.getOwnReturnType(target, propertyKey));
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parameter = method.getParameter(descriptorOrParameterIndex);
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}
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parameter._addAnnotation(annotation);
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Parameter.`);
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}
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throw e;
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}
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break;
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default:
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throw new NotSupportedDecoratorError(`Cannot determine decorator[@${name}] type.`);
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}
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}
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export abstract class Decorator<Attribute = {}> extends Annotation {
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public readonly attribute: Attribute;
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/**
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*
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* @param {any[]} args
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* @returns {DecoratorType}
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*/
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public static getDecoratorType(args: any[]): DecoratorType {
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const [, propertyKey, descriptor] = args;
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public constructor(attribute?: Attribute) {
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super();
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this.attribute = attribute;
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if (typeof descriptor === 'number') {
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return DecoratorType.PARAMETER;
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}
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if (propertyKey && descriptor === undefined || descriptor && (descriptor.get || descriptor.set)) {
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return DecoratorType.PROPERTY;
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}
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return (descriptor && descriptor.value) ? DecoratorType.METHOD : DecoratorType.CLASS;
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}
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/**
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*
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* @param target
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* @param {string} propertyKey
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* @returns {DecoratorParametersType}
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*/
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public static decoratorArgs(target: any, propertyKey: PropertyKeyType): DecoratorParametersType {
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return [
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target,
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propertyKey,
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TypeUtil.descriptorOf(target, propertyKey),
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];
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}
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}
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@ -1,160 +0,0 @@
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import {
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Type,
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PropertyKeyType,
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} from '@loafer/core';
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import {
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Annotation,
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Class,
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Constructor,
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Field,
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Method,
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Parameter,
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Metadata,
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} from '@loafer/core/reflect';
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import {
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TypeUtil,
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} from '@loafer/core/util/TypeUtil';
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import { Decorator } from './Decorator';
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import { DecoratorType, DecoratorParametersType } from './type';
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import { NotSupportedDecoratorError } from './error';
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export class DecoratorHelper {
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public static register<AnnotationType extends Annotation>(annotation: AnnotationType, ...decoratorArgs: any[]) {
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const annotationClass = Metadata.getType(annotation);
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const name: string = annotationClass.name;
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DecoratorHelper.registerAnnotation(name, annotation, decoratorArgs);
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}
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public static create = <Attribute = {}>(DecoratorClass: Type<Decorator<Attribute>>) => {
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return (attribute: Attribute) => {
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const annotation: Decorator<Attribute> = new DecoratorClass(attribute);
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const name: string = DecoratorClass.name;
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return (...decoratorArgs: any[]) => {
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return DecoratorHelper.registerAnnotation(name, annotation, decoratorArgs);
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};
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};
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}
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private static registerAnnotation(name: string, annotation: any, decoratorArgs: any[]) {
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const decoratorType: DecoratorType = DecoratorHelper.getDecoratorType(decoratorArgs);
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const [target, propertyKey, descriptorOrParameterIndex] = decoratorArgs;
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const clazz: Class = Class._defineClass(Metadata.getType(target));
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let field: Field = null;
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let method: Method = null;
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let parameter: Parameter = null;
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let cons: Constructor = null;
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switch (decoratorType) {
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case DecoratorType.CLASS:
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try {
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cons = clazz._defineConstructor(Metadata.getOwnParamTypes(target));
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clazz._addAnnotation(annotation);
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if (annotation instanceof Decorator) {
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return annotation.classDecorator.call(annotation, target);
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}
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Class.`);
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}
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throw e;
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}
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break;
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case DecoratorType.PROPERTY:
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try {
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field = clazz._defineField(propertyKey, Metadata.getOwnType(target, propertyKey));
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field._addAnnotation(annotation);
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if (annotation instanceof Decorator) {
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return annotation.propertyDecorator.call(annotation, target, propertyKey);
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}
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Property.`);
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}
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throw e;
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}
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break;
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case DecoratorType.METHOD:
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try {
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method = clazz._defineMethod(propertyKey,
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Metadata.getOwnParamTypes(target, propertyKey),
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Metadata.getOwnReturnType(target, propertyKey));
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method._addAnnotation(annotation);
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if (annotation instanceof Decorator) {
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return annotation.methodDecorator.call(annotation, target, propertyKey, descriptorOrParameterIndex);
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}
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Method.`);
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}
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throw e;
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}
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break;
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case DecoratorType.PARAMETER:
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try {
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if (undefined === propertyKey) {
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cons = clazz.getConstructor();
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parameter = cons.getParameter(descriptorOrParameterIndex);
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} else {
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method = clazz._defineMethod(propertyKey,
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Metadata.getOwnParamTypes(target, propertyKey),
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Metadata.getOwnReturnType(target, propertyKey));
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parameter = method.getParameter(descriptorOrParameterIndex);
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}
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parameter._addAnnotation(annotation);
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if (annotation instanceof Decorator) {
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return annotation.parameterDecorator.call(annotation, target, propertyKey, descriptorOrParameterIndex);
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}
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} catch (e) {
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if (e instanceof NotSupportedDecoratorError) {
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throw new NotSupportedDecoratorError(`Cannot apply @${name} decorator on Parameter.`);
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}
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throw e;
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}
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break;
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default:
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throw new NotSupportedDecoratorError(`Cannot determine decorator[@${name}] type.`);
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}
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}
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/**
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*
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* @param {any[]} args
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* @returns {DecoratorType}
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*/
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public static getDecoratorType(args: any[]): DecoratorType {
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const [, propertyKey, descriptor] = args;
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if (typeof descriptor === 'number') {
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return DecoratorType.PARAMETER;
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}
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if (propertyKey && descriptor === undefined || descriptor && (descriptor.get || descriptor.set)) {
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return DecoratorType.PROPERTY;
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}
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return (descriptor && descriptor.value) ? DecoratorType.METHOD : DecoratorType.CLASS;
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}
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/**
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*
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* @param target
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* @param {string} propertyKey
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* @returns {DecoratorParametersType}
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*/
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public static decoratorArgs(target: any, propertyKey: PropertyKeyType): DecoratorParametersType {
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return [
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target,
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propertyKey,
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TypeUtil.descriptorOf(target, propertyKey),
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];
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}
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}
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@ -1,4 +1,3 @@
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export * from './Decorator';
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export * from './DecoratorHelper';
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export * from './error';
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export * from './type';
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