mirror of https://github.com/gchq/CyberChef.git
114 lines
3.6 KiB
JavaScript
114 lines
3.6 KiB
JavaScript
/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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/**
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* Convert area operation
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*/
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class ConvertArea extends Operation {
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/**
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* ConvertArea constructor
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*/
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constructor() {
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super();
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this.name = "Convert area";
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this.module = "Default";
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this.description = "Converts a unit of area to another format.";
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this.infoURL = "https://wikipedia.org/wiki/Orders_of_magnitude_(area)";
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this.inputType = "BigNumber";
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this.outputType = "BigNumber";
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this.args = [
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{
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"name": "Input units",
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"type": "option",
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"value": AREA_UNITS
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},
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{
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"name": "Output units",
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"type": "option",
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"value": AREA_UNITS
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}
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];
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}
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/**
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* @param {BigNumber} input
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* @param {Object[]} args
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* @returns {BigNumber}
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*/
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run(input, args) {
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const [inputUnits, outputUnits] = args;
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input = input.times(AREA_FACTOR[inputUnits]);
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return input.div(AREA_FACTOR[outputUnits]);
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}
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}
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const AREA_UNITS = [
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"[Metric]", "Square metre (sq m)", "Square kilometre (sq km)", "Centiare (ca)", "Deciare (da)", "Are (a)", "Decare (daa)", "Hectare (ha)", "[/Metric]",
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"[Imperial]", "Square inch (sq in)", "Square foot (sq ft)", "Square yard (sq yd)", "Square mile (sq mi)", "Perch (sq per)", "Rood (ro)", "International acre (ac)", "[/Imperial]",
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"[US customary units]", "US survey acre (ac)", "US survey square mile (sq mi)", "US survey township", "[/US customary units]",
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"[Nuclear physics]", "Yoctobarn (yb)", "Zeptobarn (zb)", "Attobarn (ab)", "Femtobarn (fb)", "Picobarn (pb)", "Nanobarn (nb)", "Microbarn (μb)", "Millibarn (mb)", "Barn (b)", "Kilobarn (kb)", "Megabarn (Mb)", "Outhouse", "Shed", "Planck area", "[/Nuclear physics]",
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"[Comparisons]", "Washington D.C.", "Isle of Wight", "Wales", "Texas", "[/Comparisons]",
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];
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const AREA_FACTOR = { // Multiples of a square metre
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// Metric
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"Square metre (sq m)": 1,
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"Square kilometre (sq km)": 1e6,
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"Centiare (ca)": 1,
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"Deciare (da)": 10,
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"Are (a)": 100,
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"Decare (daa)": 1e3,
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"Hectare (ha)": 1e4,
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// Imperial
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"Square inch (sq in)": 0.00064516,
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"Square foot (sq ft)": 0.09290304,
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"Square yard (sq yd)": 0.83612736,
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"Square mile (sq mi)": 2589988.110336,
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"Perch (sq per)": 42.21,
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"Rood (ro)": 1011,
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"International acre (ac)": 4046.8564224,
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// US customary units
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"US survey acre (ac)": 4046.87261,
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"US survey square mile (sq mi)": 2589998.470305239,
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"US survey township": 93239944.9309886,
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// Nuclear physics
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"Yoctobarn (yb)": 1e-52,
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"Zeptobarn (zb)": 1e-49,
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"Attobarn (ab)": 1e-46,
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"Femtobarn (fb)": 1e-43,
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"Picobarn (pb)": 1e-40,
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"Nanobarn (nb)": 1e-37,
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"Microbarn (μb)": 1e-34,
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"Millibarn (mb)": 1e-31,
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"Barn (b)": 1e-28,
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"Kilobarn (kb)": 1e-25,
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"Megabarn (Mb)": 1e-22,
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"Planck area": 2.6e-70,
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"Shed": 1e-52,
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"Outhouse": 1e-34,
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// Comparisons
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"Washington D.C.": 176119191.502848,
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"Isle of Wight": 380000000,
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"Wales": 20779000000,
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"Texas": 696241000000,
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};
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export default ConvertArea;
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