CyberChef/src/core/operations/ConvertArea.mjs

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2018-05-14 19:03:23 +02:00
/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation";
/**
* Convert area operation
*/
class ConvertArea extends Operation {
/**
* ConvertArea constructor
*/
constructor() {
super();
this.name = "Convert area";
this.module = "Default";
this.description = "Converts a unit of area to another format.";
this.infoURL = "https://wikipedia.org/wiki/Orders_of_magnitude_(area)";
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this.inputType = "BigNumber";
this.outputType = "BigNumber";
this.args = [
{
"name": "Input units",
"type": "option",
"value": AREA_UNITS
},
{
"name": "Output units",
"type": "option",
"value": AREA_UNITS
}
];
}
/**
* @param {BigNumber} input
* @param {Object[]} args
* @returns {BigNumber}
*/
run(input, args) {
const [inputUnits, outputUnits] = args;
input = input.times(AREA_FACTOR[inputUnits]);
return input.div(AREA_FACTOR[outputUnits]);
}
}
const AREA_UNITS = [
"[Metric]", "Square metre (sq m)", "Square kilometre (sq km)", "Centiare (ca)", "Deciare (da)", "Are (a)", "Decare (daa)", "Hectare (ha)", "[/Metric]",
"[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]",
"[US customary units]", "US survey acre (ac)", "US survey square mile (sq mi)", "US survey township", "[/US customary units]",
"[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]",
"[Comparisons]", "Washington D.C.", "Isle of Wight", "Wales", "Texas", "[/Comparisons]",
];
const AREA_FACTOR = { // Multiples of a square metre
// Metric
"Square metre (sq m)": 1,
"Square kilometre (sq km)": 1e6,
"Centiare (ca)": 1,
"Deciare (da)": 10,
"Are (a)": 100,
"Decare (daa)": 1e3,
"Hectare (ha)": 1e4,
// Imperial
"Square inch (sq in)": 0.00064516,
"Square foot (sq ft)": 0.09290304,
"Square yard (sq yd)": 0.83612736,
"Square mile (sq mi)": 2589988.110336,
"Perch (sq per)": 42.21,
"Rood (ro)": 1011,
"International acre (ac)": 4046.8564224,
// US customary units
"US survey acre (ac)": 4046.87261,
"US survey square mile (sq mi)": 2589998.470305239,
"US survey township": 93239944.9309886,
// Nuclear physics
"Yoctobarn (yb)": 1e-52,
"Zeptobarn (zb)": 1e-49,
"Attobarn (ab)": 1e-46,
"Femtobarn (fb)": 1e-43,
"Picobarn (pb)": 1e-40,
"Nanobarn (nb)": 1e-37,
"Microbarn (μb)": 1e-34,
"Millibarn (mb)": 1e-31,
"Barn (b)": 1e-28,
"Kilobarn (kb)": 1e-25,
"Megabarn (Mb)": 1e-22,
"Planck area": 2.6e-70,
"Shed": 1e-52,
"Outhouse": 1e-34,
// Comparisons
"Washington D.C.": 176119191.502848,
"Isle of Wight": 380000000,
"Wales": 20779000000,
"Texas": 696241000000,
};
export default ConvertArea;