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38 lines
1.0 KiB
38 lines
1.0 KiB
'use strict';
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const MongooseError = require('../../error/mongooseError');
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const setDottedPath = require('../path/setDottedPath');
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const util = require('util');
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/**
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* Given an object that may contain dotted paths, flatten the paths out.
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* For example: `flattenObjectWithDottedPaths({ a: { 'b.c': 42 } })` => `{ a: { b: { c: 42 } } }`
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*/
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module.exports = function flattenObjectWithDottedPaths(obj) {
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if (obj == null || typeof obj !== 'object' || Array.isArray(obj)) {
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return;
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}
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// Avoid Mongoose docs
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if (obj.$__) {
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return;
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}
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const keys = Object.keys(obj);
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for (const key of keys) {
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const val = obj[key];
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if (key.indexOf('.') !== -1) {
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try {
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delete obj[key];
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setDottedPath(obj, key, val);
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} catch (err) {
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if (!(err instanceof TypeError)) {
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throw err;
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}
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throw new MongooseError(`Conflicting dotted paths when setting document path, key: "${key}", value: ${util.inspect(val)}`);
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}
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continue;
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}
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flattenObjectWithDottedPaths(obj[key]);
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}
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};
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