51 lines
1.8 KiB
JavaScript
51 lines
1.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ParseFloatPipe = void 0;
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const tslib_1 = require("tslib");
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const index_1 = require("../index");
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const http_error_by_code_util_1 = require("../utils/http-error-by-code.util");
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/**
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* Defines the built-in ParseFloat Pipe
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*
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* @see [Built-in Pipes](https://docs.nestjs.com/pipes#built-in-pipes)
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*
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* @publicApi
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*/
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let ParseFloatPipe = class ParseFloatPipe {
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constructor(options) {
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options = options || {};
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const { exceptionFactory, errorHttpStatusCode = index_1.HttpStatus.BAD_REQUEST } = options;
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this.exceptionFactory =
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exceptionFactory ||
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(error => new http_error_by_code_util_1.HttpErrorByCode[errorHttpStatusCode](error));
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}
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/**
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* Method that accesses and performs optional transformation on argument for
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* in-flight requests.
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*
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* @param value currently processed route argument
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* @param metadata contains metadata about the currently processed route argument
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*/
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async transform(value, metadata) {
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if (!this.isNumeric(value)) {
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throw this.exceptionFactory('Validation failed (numeric string is expected)');
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}
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return parseFloat(value);
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}
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/**
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* @param value currently processed route argument
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* @returns `true` if `value` is a valid float number
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*/
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isNumeric(value) {
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return (['string', 'number'].includes(typeof value) &&
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!isNaN(parseFloat(value)) &&
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isFinite(value));
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}
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};
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ParseFloatPipe = tslib_1.__decorate([
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(0, index_1.Injectable)(),
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tslib_1.__param(0, (0, index_1.Optional)()),
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tslib_1.__metadata("design:paramtypes", [Object])
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], ParseFloatPipe);
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exports.ParseFloatPipe = ParseFloatPipe;
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