21 lines
758 B
JavaScript
21 lines
758 B
JavaScript
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/* global IDBKeyRange */
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'use strict'
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module.exports = function createKeyRange (options) {
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const lower = options.gte !== undefined ? options.gte : options.gt !== undefined ? options.gt : undefined
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const upper = options.lte !== undefined ? options.lte : options.lt !== undefined ? options.lt : undefined
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const lowerExclusive = options.gte === undefined
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const upperExclusive = options.lte === undefined
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if (lower !== undefined && upper !== undefined) {
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return IDBKeyRange.bound(lower, upper, lowerExclusive, upperExclusive)
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} else if (lower !== undefined) {
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return IDBKeyRange.lowerBound(lower, lowerExclusive)
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} else if (upper !== undefined) {
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return IDBKeyRange.upperBound(upper, upperExclusive)
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} else {
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return null
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}
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}
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