1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | exports.ParameterMetadataAccessor = void 0;
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4 | const constants_1 = require("@nestjs/common/constants");
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5 | const route_paramtypes_enum_1 = require("@nestjs/common/enums/route-paramtypes.enum");
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6 | const lodash_1 = require("lodash");
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7 | const reverse_object_keys_util_1 = require("../utils/reverse-object-keys.util");
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8 | const PARAM_TOKEN_PLACEHOLDER = 'placeholder';
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9 | class ParameterMetadataAccessor {
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10 | explore(instance, prototype, method) {
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11 | const types = Reflect.getMetadata(constants_1.PARAMTYPES_METADATA, instance, method.name);
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12 | const routeArgsMetadata = Reflect.getMetadata(constants_1.ROUTE_ARGS_METADATA, instance.constructor, method.name) || {};
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13 | const parametersWithType = lodash_1.mapValues(reverse_object_keys_util_1.reverseObjectKeys(routeArgsMetadata), (param) => ({
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14 | type: types[param.index],
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15 | name: param.data,
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16 | required: true
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17 | }));
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18 | const excludePredicate = (val) => val.in === PARAM_TOKEN_PLACEHOLDER || (val.name && val.in === 'body');
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19 | const parameters = lodash_1.omitBy(lodash_1.mapValues(parametersWithType, (val, key) => (Object.assign(Object.assign({}, val), { in: this.mapParamType(key) }))), excludePredicate);
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20 | return !lodash_1.isEmpty(parameters) ? parameters : undefined;
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21 | }
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22 | mapParamType(key) {
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23 | const keyPair = key.split(':');
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24 | switch (Number(keyPair[0])) {
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25 | case route_paramtypes_enum_1.RouteParamtypes.BODY:
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26 | return 'body';
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27 | case route_paramtypes_enum_1.RouteParamtypes.PARAM:
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28 | return 'path';
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29 | case route_paramtypes_enum_1.RouteParamtypes.QUERY:
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30 | return 'query';
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31 | case route_paramtypes_enum_1.RouteParamtypes.HEADERS:
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32 | return 'header';
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33 | default:
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34 | return PARAM_TOKEN_PLACEHOLDER;
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35 | }
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36 | }
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37 | }
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38 | exports.ParameterMetadataAccessor = ParameterMetadataAccessor;
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