19 lines
444 B
JavaScript
19 lines
444 B
JavaScript
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'use strict';
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const get = require('../get');
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module.exports = function isDefaultIdIndex(index) {
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if (Array.isArray(index)) {
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// Mongoose syntax
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const keys = Object.keys(index[0]);
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return keys.length === 1 && keys[0] === '_id' && index[0]._id !== 'hashed';
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}
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if (typeof index !== 'object') {
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return false;
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}
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const key = get(index, 'key', {});
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return Object.keys(key).length === 1 && key.hasOwnProperty('_id');
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};
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