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fix: Using Uint8Array instead of Buffer to test for empty input #9

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fix: Using Uint8Array instead of Buffer to test for empty input #9

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24018d9
fix: Using Uint8Array instead of Buffer to test for empty input
martinheidegger Sep 3, 2020
2c7e887
Merge branch 'master' into fix/uint8array-check
martinheidegger Sep 3, 2020
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4 changes: 1 addition & 3 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,6 @@ const {
AbstractIterator
} = require('abstract-leveldown')

const EMPTY = Buffer.alloc(0)

module.exports = class HyperDown extends AbstractLevelDOWN {
constructor (tree) {
super()
Expand All @@ -18,7 +16,7 @@ module.exports = class HyperDown extends AbstractLevelDOWN {
else if (key === '') throw new Error('key cannot be an empty string')
// Quick check that will pass for valid keys.
else if (typeof key === 'string') return key
else if (Buffer.isBuffer(key) && EMPTY.equals(key)) throw new Error('key cannot be an empty Buffer')
else if (key instanceof Uint8Array && key.length === 0) throw new Error('key cannot be an empty Uint8Array')
else if ((key instanceof Array) && key.length === 0) throw new Error('key cannot be an empty string')
else if (typeof key === 'number' || typeof key === 'boolean') key = String(key)
else if (Array.isArray(key)) key = key.join(',')
Expand Down