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11 lines
214 B
JavaScript
11 lines
214 B
JavaScript
7 years ago
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export const toHash = (array) => {
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return array.reduce((hash, item) => {
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const id = item.id
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if (hash[id]) {
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throw new Error('ID already exists')
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}
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hash[id] = item
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return hash
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}, {})
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}
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