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File size: 3,080 Bytes
cfbbc1a | 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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | "use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MetadataScanner = void 0;
const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
class MetadataScanner {
constructor() {
this.cachedScannedPrototypes = new Map();
}
/**
* @deprecated
* @see {@link getAllMethodNames}
* @see getAllMethodNames
*/
scanFromPrototype(instance, prototype, callback) {
if (!prototype) {
return [];
}
const visitedNames = new Map();
const result = [];
do {
for (const property of Object.getOwnPropertyNames(prototype)) {
if (visitedNames.has(property)) {
continue;
}
visitedNames.set(property, true);
// reason: https://github.com/nestjs/nest/pull/10821#issuecomment-1411916533
const descriptor = Object.getOwnPropertyDescriptor(prototype, property);
if (descriptor.set ||
descriptor.get ||
(0, shared_utils_1.isConstructor)(property) ||
!(0, shared_utils_1.isFunction)(prototype[property])) {
continue;
}
const value = callback(property);
if ((0, shared_utils_1.isNil)(value)) {
continue;
}
result.push(value);
}
} while ((prototype = Reflect.getPrototypeOf(prototype)) &&
prototype !== Object.prototype);
return result;
}
/**
* @deprecated
* @see {@link getAllMethodNames}
* @see getAllMethodNames
*/
*getAllFilteredMethodNames(prototype) {
yield* this.getAllMethodNames(prototype);
}
getAllMethodNames(prototype) {
if (!prototype) {
return [];
}
if (this.cachedScannedPrototypes.has(prototype)) {
return this.cachedScannedPrototypes.get(prototype);
}
const visitedNames = new Map();
const result = [];
this.cachedScannedPrototypes.set(prototype, result);
do {
for (const property of Object.getOwnPropertyNames(prototype)) {
if (visitedNames.has(property)) {
continue;
}
visitedNames.set(property, true);
// reason: https://github.com/nestjs/nest/pull/10821#issuecomment-1411916533
const descriptor = Object.getOwnPropertyDescriptor(prototype, property);
if (descriptor.set ||
descriptor.get ||
(0, shared_utils_1.isConstructor)(property) ||
!(0, shared_utils_1.isFunction)(prototype[property])) {
continue;
}
result.push(property);
}
} while ((prototype = Reflect.getPrototypeOf(prototype)) &&
prototype !== Object.prototype);
return result;
}
}
exports.MetadataScanner = MetadataScanner;
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