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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | 12x 428x 37x 220x 126x 126x 161x 161x 88x 88x 161x 15x | import { Type } from "./interfaces/IType";
export class Utils {
static isClass = (fn: any) => /^\s*class/.test(fn?.toString());
static getRequiredParamLength(constructor: any) {
return constructor.length || 0;
}
static getMeta<R>(key: string | symbol, ctr: Type, def: R): R {
if (!Utils.isClass(ctr)) return def;
const meta = Reflect.getMetadata(key, ctr.prototype) || {};
return meta[key] || def;
}
static logClass(ctr: any, missParamIndex?: number) {
const constructorArgs = Reflect.getMetadata("design:paramtypes", ctr) || [];
const classStr = `${ctr.name}(${constructorArgs.map((arg: any, i: number) => {
Iif (i === missParamIndex) {
return "?";
}
return arg.name;
// @ts-ignore
}).join(", ")}) `;
return classStr + (missParamIndex !== undefined ? `Please check the ${missParamIndex + 1}. param: ${constructorArgs[missParamIndex]?.name}` : "");
}
static isPrimitiveCtr(ctr: any) {
return ctr.name === "String" || ctr.name === "Number";
}
}
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