49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
import { get } from '@ember/object';
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export default function(foreignKey, nspaceKey, partitionKey, hash = JSON.stringify) {
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return function(primaryKey, slugKey, foreignKeyValue, nspaceValue, partitionValue) {
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return function(item) {
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foreignKeyValue = foreignKeyValue == null ? item[foreignKey] : foreignKeyValue;
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if (foreignKeyValue == null) {
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throw new Error(
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`Unable to create fingerprint, missing foreignKey value. Looking for value in \`${foreignKey}\` got \`${foreignKeyValue}\``
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);
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}
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const slugKeys = slugKey.split(',');
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const slugValues = slugKeys.map(function(slugKey) {
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const slug = get(item, slugKey);
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if (slug == null || slug.length < 1) {
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throw new Error(
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`Unable to create fingerprint, missing slug. Looking for value in \`${slugKey}\` got \`${slug}\``
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);
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}
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return slug;
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});
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// This ensures that all data objects have a Namespace and a Partition
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// value set, even in OSS.
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if (typeof item[nspaceKey] === 'undefined') {
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if (nspaceValue === '*') {
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nspaceValue = 'default';
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}
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item[nspaceKey] = nspaceValue;
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}
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if (typeof item[partitionKey] === 'undefined') {
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if (partitionValue === '*') {
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partitionValue = 'default';
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}
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item[partitionKey] = partitionValue;
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}
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if (typeof item[foreignKey] === 'undefined') {
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item[foreignKey] = foreignKeyValue;
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}
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if (typeof item[primaryKey] === 'undefined') {
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item[primaryKey] = hash(
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[item[partitionKey], item[nspaceKey], foreignKeyValue].concat(slugValues)
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);
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}
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return item;
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};
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};
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}
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