--- /dev/null
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+import React from 'react';
+import { memoize } from 'lodash/fp';
+import { FloatCommandInputParameter, isRequiredInput } from 'models/workflow';
+import { Field } from 'redux-form';
+import { isNumber } from 'validators/is-number';
+import { GenericInputProps, GenericInput } from './generic-input';
+import { FloatInput as FloatInputComponent } from 'components/float-input/float-input';
+export interface FloatInputProps {
+ input: FloatCommandInputParameter;
+}
+export const FloatInput = ({ input }: FloatInputProps) =>
+ <Field
+ name={input.id}
+ commandInput={input}
+ component={Input}
+ parse={parseFloat}
+ format={format}
+ validate={getValidation(input)} />;
+
+const format = (value: any) => isNaN(value) ? '' : JSON.stringify(value);
+
+const getValidation = memoize(
+ (input: FloatCommandInputParameter) => ([
+ isRequiredInput(input)
+ ? isNumber
+ : () => undefined,])
+);
+
+const Input = (props: GenericInputProps) =>
+ <GenericInput
+ component={InputComponent}
+ {...props} />;
+
+const InputComponent = ({ input, meta, commandInput }: GenericInputProps) =>
+ <FloatInputComponent
+ fullWidth
+ error={meta.touched && !!meta.error}
+ disabled={commandInput.disabled}
+ {...input} />;
+