84 lines
3.0 KiB
JavaScript
84 lines
3.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.MetadataScanner = void 0;
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const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
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class MetadataScanner {
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constructor() {
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this.cachedScannedPrototypes = new Map();
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}
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/**
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* @deprecated
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* @see {@link getAllMethodNames}
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* @see getAllMethodNames
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*/
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scanFromPrototype(instance, prototype, callback) {
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if (!prototype) {
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return [];
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}
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const visitedNames = new Map();
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const result = [];
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do {
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for (const property of Object.getOwnPropertyNames(prototype)) {
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if (visitedNames.has(property)) {
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continue;
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}
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visitedNames.set(property, true);
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// reason: https://github.com/nestjs/nest/pull/10821#issuecomment-1411916533
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const descriptor = Object.getOwnPropertyDescriptor(prototype, property);
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if (descriptor.set ||
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descriptor.get ||
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(0, shared_utils_1.isConstructor)(property) ||
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!(0, shared_utils_1.isFunction)(prototype[property])) {
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continue;
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}
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const value = callback(property);
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if ((0, shared_utils_1.isNil)(value)) {
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continue;
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}
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result.push(value);
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}
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} while ((prototype = Reflect.getPrototypeOf(prototype)) &&
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prototype !== Object.prototype);
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return result;
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}
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/**
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* @deprecated
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* @see {@link getAllMethodNames}
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* @see getAllMethodNames
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*/
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*getAllFilteredMethodNames(prototype) {
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yield* this.getAllMethodNames(prototype);
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}
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getAllMethodNames(prototype) {
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if (!prototype) {
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return [];
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}
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if (this.cachedScannedPrototypes.has(prototype)) {
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return this.cachedScannedPrototypes.get(prototype);
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}
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const visitedNames = new Map();
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const result = [];
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this.cachedScannedPrototypes.set(prototype, result);
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do {
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for (const property of Object.getOwnPropertyNames(prototype)) {
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if (visitedNames.has(property)) {
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continue;
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}
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visitedNames.set(property, true);
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// reason: https://github.com/nestjs/nest/pull/10821#issuecomment-1411916533
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const descriptor = Object.getOwnPropertyDescriptor(prototype, property);
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if (descriptor.set ||
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descriptor.get ||
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(0, shared_utils_1.isConstructor)(property) ||
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!(0, shared_utils_1.isFunction)(prototype[property])) {
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continue;
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}
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result.push(property);
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}
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} while ((prototype = Reflect.getPrototypeOf(prototype)) &&
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prototype !== Object.prototype);
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return result;
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}
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}
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exports.MetadataScanner = MetadataScanner;
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