Initial commit - Event Planner application

node_modules/@nestjs/common/pipes/parse-enum.pipe.js

@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ParseEnumPipe = void 0;
+const tslib_1 = require("tslib");
+const core_1 = require("../decorators/core");
+const index_1 = require("../index");
+const http_error_by_code_util_1 = require("../utils/http-error-by-code.util");
+const shared_utils_1 = require("../utils/shared.utils");
+/**
+ * Defines the built-in ParseEnum Pipe
+ *
+ * @see [Built-in Pipes](https://docs.nestjs.com/pipes#built-in-pipes)
+ *
+ * @publicApi
+ */
+let ParseEnumPipe = class ParseEnumPipe {
+    constructor(enumType, options) {
+        this.enumType = enumType;
+        this.options = options;
+        if (!enumType) {
+            throw new Error(`"ParseEnumPipe" requires "enumType" argument specified (to validate input values).`);
+        }
+        options = options || {};
+        const { exceptionFactory, errorHttpStatusCode = index_1.HttpStatus.BAD_REQUEST } = options;
+        this.exceptionFactory =
+            exceptionFactory ||
+                (error => new http_error_by_code_util_1.HttpErrorByCode[errorHttpStatusCode](error));
+    }
+    /**
+     * Method that accesses and performs optional transformation on argument for
+     * in-flight requests.
+     *
+     * @param value currently processed route argument
+     * @param metadata contains metadata about the currently processed route argument
+     */
+    async transform(value, metadata) {
+        if ((0, shared_utils_1.isNil)(value) && this.options?.optional) {
+            return value;
+        }
+        if (!this.isEnum(value)) {
+            throw this.exceptionFactory('Validation failed (enum string is expected)');
+        }
+        return value;
+    }
+    isEnum(value) {
+        const enumValues = Object.keys(this.enumType).map(item => this.enumType[item]);
+        return enumValues.includes(value);
+    }
+};
+exports.ParseEnumPipe = ParseEnumPipe;
+exports.ParseEnumPipe = ParseEnumPipe = tslib_1.__decorate([
+    (0, core_1.Injectable)(),
+    tslib_1.__param(1, (0, core_1.Optional)()),
+    tslib_1.__metadata("design:paramtypes", [Object, Object])
+], ParseEnumPipe);