From 30288c62372dd2f10979ea80912b388a32a0d54d Mon Sep 17 00:00:00 2001 From: d98762625 Date: Tue, 15 May 2018 10:19:06 +0100 Subject: [PATCH] add Subtract op --- src/core/operations/Subtract.mjs | 48 ++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 src/core/operations/Subtract.mjs diff --git a/src/core/operations/Subtract.mjs b/src/core/operations/Subtract.mjs new file mode 100644 index 00000000..16d07e67 --- /dev/null +++ b/src/core/operations/Subtract.mjs @@ -0,0 +1,48 @@ +/** + * @author d98762625 [d98762625@gmail.com] + * @copyright Crown Copyright 2018 + * @license Apache-2.0 + */ + +import Operation from "../Operation"; +import Arithmetic from "./baseClasses/Arithmetic"; +import BigNumber from "bignumber.js"; + +/** + * Subtract operation + */ +class Subtract extends Operation { + + /** + * Subtract constructor + */ + constructor() { + super(); + + this.name = "Subtract"; + this.module = "Default"; + this.description = "Subtracts a list of numbers. If an item in the string is not a number it is excluded from the list.

e.g. 0x0a 8 .5 becomes 1.5"; + this.inputType = "string"; + this.outputType = "BigNumber"; + this.args = [ + { + "name": "Delimiter", + "type": "option", + "value": Arithmetic.DELIM_OPTIONS, + } + ]; + } + + /** + * @param {string} input + * @param {Object[]} args + * @returns {BigNumber} + */ + run(input, args) { + const val = Arithmetic._sub(Arithmetic._createNumArray(input, args[0])); + return val instanceof BigNumber ? val : new BigNumber(NaN); + } + +} + +export default Subtract;