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22 lines
510 B
JavaScript
22 lines
510 B
JavaScript
'use strict';
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module.exports = function(rules) {
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let fields = rules.map((field, i) => {
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if (field != null) {
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return {
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field: field,
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value: Math.pow(2, i)
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}
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} else {
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return null;
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}
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}).filter((item) => item != null);
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return function parseBits(value) {
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return fields.reduce((flags, item) => {
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flags[item.field] = !!(value & item.value);
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return flags;
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}, {});
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}
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}
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