forked from FOSS/BangleApps
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
//import { BINARIES } from './constants';
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const BINARIES = {
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'L': [ // The L (left) type of encoding
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'0001101', '0011001', '0010011', '0111101', '0100011',
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'0110001', '0101111', '0111011', '0110111', '0001011'
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],
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'G': [ // The G type of encoding
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'0100111', '0110011', '0011011', '0100001', '0011101',
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'0111001', '0000101', '0010001', '0001001', '0010111'
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],
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'R': [ // The R (right) type of encoding
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'1110010', '1100110', '1101100', '1000010', '1011100',
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'1001110', '1010000', '1000100', '1001000', '1110100'
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],
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'O': [ // The O (odd) encoding for UPC-E
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'0001101', '0011001', '0010011', '0111101', '0100011',
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'0110001', '0101111', '0111011', '0110111', '0001011'
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],
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'E': [ // The E (even) encoding for UPC-E
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'0100111', '0110011', '0011011', '0100001', '0011101',
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'0111001', '0000101', '0010001', '0001001', '0010111'
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]
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};
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// Encode data string
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const encode = (data, structure, separator) => {
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let encoded = data
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.split('')
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.map((val, idx) => BINARIES[structure[idx]])
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.map((val, idx) => val ? val[data[idx]] : '');
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if (separator) {
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const last = data.length - 1;
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encoded = encoded.map((val, idx) => (
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idx < last ? val + separator : val
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));
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}
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return encoded.join('');
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};
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module.exports = encode; |