22 lines
772 B
JavaScript
22 lines
772 B
JavaScript
export default function(foreignKey, nspaceKey, nspaceUndefinedName, hash = JSON.stringify) {
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return function(primaryKey, slugKey, foreignKeyValue) {
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if (foreignKeyValue == null || foreignKeyValue.length < 1) {
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throw new Error('Unable to create fingerprint, missing foreignKey value');
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}
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return function(item) {
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if (item[slugKey] == null || item[slugKey].length < 1) {
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throw new Error('Unable to create fingerprint, missing slug');
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}
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const nspaceValue = item[nspaceKey] || nspaceUndefinedName;
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return {
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...item,
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...{
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[nspaceKey]: nspaceValue,
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[foreignKey]: foreignKeyValue,
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[primaryKey]: hash([nspaceValue, foreignKeyValue, item[slugKey]]),
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},
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};
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};
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};
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}
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