| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | exports.MetadataScanner = void 0;
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| 4 | const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
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| 5 | const iterare_1 = require("iterare");
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| 6 | class MetadataScanner {
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| 7 | scanFromPrototype(instance, prototype, callback) {
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| 8 | const methodNames = new Set(this.getAllFilteredMethodNames(prototype));
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| 9 | return (0, iterare_1.iterate)(methodNames)
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| 10 | .map(callback)
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| 11 | .filter(metadata => !(0, shared_utils_1.isNil)(metadata))
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| 12 | .toArray();
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| 13 | }
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| 14 | *getAllFilteredMethodNames(prototype) {
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| 15 | const isMethod = (prop) => {
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| 16 | const descriptor = Object.getOwnPropertyDescriptor(prototype, prop);
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| 17 | if (descriptor.set || descriptor.get) {
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| 18 | return false;
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| 19 | }
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| 20 | return !(0, shared_utils_1.isConstructor)(prop) && (0, shared_utils_1.isFunction)(prototype[prop]);
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| 21 | };
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| 22 | do {
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| 23 | yield* (0, iterare_1.iterate)(Object.getOwnPropertyNames(prototype))
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| 24 | .filter(isMethod)
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| 25 | .toArray();
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| 26 | } while ((prototype = Reflect.getPrototypeOf(prototype)) &&
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| 27 | prototype !== Object.prototype);
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| 28 | }
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| 29 | }
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| 30 | exports.MetadataScanner = MetadataScanner;
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