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16 lines
483 B
JavaScript
16 lines
483 B
JavaScript
'use strict'
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const createFormatBitmask = (allProducts) => {
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const formatBitmask = (products) => {
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if(Object.keys(products).length === 0) throw new Error('products filter must not be empty')
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let bitmask = 0
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for (let product in products) {
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if (!allProducts[product]) throw new Error('unknown product ' + product)
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if (products[product] === true) bitmask += allProducts[product].bitmask
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}
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return bitmask
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}
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return formatBitmask
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}
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module.exports = createFormatBitmask
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