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54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
'use strict';
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const get = require('../get');
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/**
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* Given an update, move all $set on immutable properties to $setOnInsert.
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* This should only be called for upserts, because $setOnInsert bypasses the
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* strictness check for immutable properties.
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*/
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module.exports = function moveImmutableProperties(schema, update, ctx) {
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if (update == null) {
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return;
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}
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const keys = Object.keys(update);
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for (const key of keys) {
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const isDollarKey = key.startsWith('$');
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if (key === '$set') {
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const updatedPaths = Object.keys(update[key]);
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for (const path of updatedPaths) {
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_walkUpdatePath(schema, update[key], path, update, ctx);
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}
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} else if (!isDollarKey) {
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_walkUpdatePath(schema, update, key, update, ctx);
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}
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}
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};
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function _walkUpdatePath(schema, op, path, update, ctx) {
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const schematype = schema.path(path);
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if (schematype == null) {
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return;
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}
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let immutable = get(schematype, 'options.immutable', null);
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if (immutable == null) {
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return;
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}
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if (typeof immutable === 'function') {
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immutable = immutable.call(ctx, ctx);
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}
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if (!immutable) {
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return;
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}
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update.$setOnInsert = update.$setOnInsert || {};
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update.$setOnInsert[path] = op[path];
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delete op[path];
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}
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