Initial commit - Event Planner application

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

@@ -0,0 +1,76 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ParseFilePipe = void 0;
+const tslib_1 = require("tslib");
+const core_1 = require("../../decorators/core");
+const enums_1 = require("../../enums");
+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 ParseFile Pipe. This pipe can be used to validate incoming files
+ * with `@UploadedFile()` decorator. You can use either other specific built-in validators
+ * or provide one of your own, simply implementing it through FileValidator interface
+ * and adding it to ParseFilePipe's constructor.
+ *
+ * @see [Built-in Pipes](https://docs.nestjs.com/pipes#built-in-pipes)
+ *
+ * @publicApi
+ */
+let ParseFilePipe = class ParseFilePipe {
+    constructor(options = {}) {
+        const { exceptionFactory, errorHttpStatusCode = enums_1.HttpStatus.BAD_REQUEST, validators = [], fileIsRequired, } = options;
+        this.exceptionFactory =
+            exceptionFactory ||
+                (error => new http_error_by_code_util_1.HttpErrorByCode[errorHttpStatusCode](error));
+        this.validators = validators;
+        this.fileIsRequired = fileIsRequired ?? true;
+    }
+    async transform(value) {
+        const areThereAnyFilesIn = this.thereAreNoFilesIn(value);
+        if (areThereAnyFilesIn && this.fileIsRequired) {
+            throw this.exceptionFactory('File is required');
+        }
+        if (!areThereAnyFilesIn && this.validators.length) {
+            await this.validateFilesOrFile(value);
+        }
+        return value;
+    }
+    async validateFilesOrFile(value) {
+        if (Array.isArray(value)) {
+            await Promise.all(value.map(f => this.validate(f)));
+        }
+        else {
+            await this.validate(value);
+        }
+    }
+    thereAreNoFilesIn(value) {
+        const isEmptyArray = Array.isArray(value) && (0, shared_utils_1.isEmpty)(value);
+        const isEmptyObject = (0, shared_utils_1.isObject)(value) && (0, shared_utils_1.isEmpty)(Object.keys(value));
+        return (0, shared_utils_1.isUndefined)(value) || isEmptyArray || isEmptyObject;
+    }
+    async validate(file) {
+        for (const validator of this.validators) {
+            await this.validateOrThrow(file, validator);
+        }
+        return file;
+    }
+    async validateOrThrow(file, validator) {
+        const isValid = await validator.isValid(file);
+        if (!isValid) {
+            const errorMessage = validator.buildErrorMessage(file);
+            throw this.exceptionFactory(errorMessage);
+        }
+    }
+    /**
+     * @returns list of validators used in this pipe.
+     */
+    getValidators() {
+        return this.validators;
+    }
+};
+exports.ParseFilePipe = ParseFilePipe;
+exports.ParseFilePipe = ParseFilePipe = tslib_1.__decorate([
+    (0, core_1.Injectable)(),
+    tslib_1.__param(0, (0, core_1.Optional)()),
+    tslib_1.__metadata("design:paramtypes", [Object])
+], ParseFilePipe);