28 lines
1.5 KiB
TypeScript
28 lines
1.5 KiB
TypeScript
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let createProxy = eval(`
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function(handle){ return new JSAdapter(handle) }
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`)
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export interface ProxyHandle {
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get: (target: any, name: string) => any
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set: (target: any, name: string, value: any) => void
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construct: (target: any, ...args: any[]) => any
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has: (target: any, name: string) => boolean
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ownKeys: (target: any) => string[]
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values: (target: any) => any[];
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call: (target: any, name: string, ...args: any[]) => any
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delete: (target: any, name: string) => boolean
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}
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export class Proxy {
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static newProxy(target: any, handle: Partial<ProxyHandle>) {
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return createProxy({
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__get__: (name: string) => handle.get ? handle.get(target, name) : target[name],
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__put__: (name: string, value: any) => handle.set ? handle.set(target, name, value) : target[name] = value,
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__call__: (name: string, ...args: any) => handle.call ? handle.call(target, name, ...args) : target[name](...args),
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__new__: (...args: any) => handle.construct ? handle.construct(target, ...args) : new target(...args),
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__getIds__: () => handle.ownKeys ? handle.ownKeys(target) : Object.keys(target),
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__getValues__: () => handle.values ? handle.values(target) : Object.values(target),
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__has__: (name: string) => handle.has ? handle.has(target, name) : Object.getOwnPropertyDescriptor(target, name) != undefined,
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__delete__: (name: string) => handle.delete ? handle.delete(target, name) : delete target[name]
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})
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}
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}
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