@nestjs/core
Version:
Nest - modern, fast, powerful node.js web framework (@core)
29 lines (28 loc) • 1.06 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const constants_1 = require("@nestjs/common/constants");
class ContextUtils {
mapParamType(key) {
const keyPair = key.split(':');
return keyPair[0];
}
reflectCallbackParamtypes(instance, methodName) {
return Reflect.getMetadata(constants_1.PARAMTYPES_METADATA, instance, methodName);
}
reflectCallbackMetadata(instance, methodName, metadataKey) {
return Reflect.getMetadata(metadataKey, instance.constructor, methodName);
}
getArgumentsLength(keys, metadata) {
return Math.max(...keys.map(key => metadata[key].index)) + 1;
}
createNullArray(length) {
return Array.apply(null, { length }).fill(undefined);
}
mergeParamsMetatypes(paramsProperties, paramtypes) {
if (!paramtypes) {
return paramsProperties;
}
return paramsProperties.map(param => (Object.assign({}, param, { metatype: paramtypes[param.index] })));
}
}
exports.ContextUtils = ContextUtils;