1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | const constants_1 = require("@nestjs/common/constants");
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4 | const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
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5 | class ContextUtils {
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6 | mapParamType(key) {
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7 | const keyPair = key.split(':');
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8 | return keyPair[0];
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9 | }
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10 | reflectCallbackParamtypes(instance, methodName) {
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11 | return Reflect.getMetadata(constants_1.PARAMTYPES_METADATA, instance, methodName);
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12 | }
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13 | reflectCallbackMetadata(instance, methodName, metadataKey) {
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14 | return Reflect.getMetadata(metadataKey, instance.constructor, methodName);
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15 | }
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16 | getArgumentsLength(keys, metadata) {
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17 | return Math.max(...keys.map(key => metadata[key].index)) + 1;
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18 | }
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19 | createNullArray(length) {
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20 |
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21 | return Array.apply(null, { length }).fill(undefined);
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22 | }
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23 | mergeParamsMetatypes(paramsProperties, paramtypes) {
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24 | if (!paramtypes) {
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25 | return paramsProperties;
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26 | }
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27 | return paramsProperties.map(param => (Object.assign(Object.assign({}, param), { metatype: paramtypes[param.index] })));
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28 | }
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29 | getCustomFactory(factory, data) {
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30 | return shared_utils_1.isFunction(factory)
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31 | ? (...args) => factory(data, args)
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32 | : () => null;
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33 | }
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34 | }
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35 | exports.ContextUtils = ContextUtils;
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