36 lines
839 B
TypeScript
36 lines
839 B
TypeScript
import * as plugins from './smartguard.plugins.js';
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export type TGuardFunction<T> = (dataArg: T) => Promise<boolean>;
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export interface IGuardOptions {
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name?: string;
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failedHint?: string;
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}
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export class Guard<T> {
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private guardFunction: TGuardFunction<T>;
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public options: IGuardOptions;
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constructor(guardFunctionArg: TGuardFunction<T>, optionsArg?: IGuardOptions) {
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this.guardFunction = guardFunctionArg;
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this.options = optionsArg;
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}
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/**
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* executes the guard against a data argument;
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* @param dataArg
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*/
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public async exec(dataArg: T) {
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const result = await this.guardFunction(dataArg);
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return result;
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}
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public async getFailedHint(dataArg: T) {
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const result = await this.exec(dataArg);
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if (!result) {
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return this.options.failedHint;
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} else {
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return null;
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}
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}
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}
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