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44 lines
1.4 KiB
44 lines
1.4 KiB
5 years ago
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'use strict';
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const get = require('../get');
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/*!
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* Like `schema.path()`, except with a document, because impossible to
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* determine path type without knowing the embedded discriminator key.
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*/
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module.exports = function getEmbeddedDiscriminatorPath(doc, path, options) {
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options = options || {};
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const typeOnly = options.typeOnly;
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const parts = path.split('.');
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let schema = null;
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let type = 'adhocOrUndefined';
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for (let i = 0; i < parts.length; ++i) {
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const subpath = parts.slice(0, i + 1).join('.');
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schema = doc.schema.path(subpath);
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if (schema == null) {
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type = 'adhocOrUndefined';
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continue;
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}
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if (schema.instance === 'Mixed') {
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return typeOnly ? 'real' : schema;
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}
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type = doc.schema.pathType(subpath);
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if ((schema.$isSingleNested || schema.$isMongooseDocumentArrayElement) &&
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schema.schema.discriminators != null) {
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const discriminators = schema.schema.discriminators;
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const discriminatorKey = doc.get(subpath + '.' +
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get(schema, 'schema.options.discriminatorKey'));
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if (discriminatorKey == null || discriminators[discriminatorKey] == null) {
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continue;
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}
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const rest = parts.slice(i + 1).join('.');
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return getEmbeddedDiscriminatorPath(doc.get(subpath), rest, options);
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}
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}
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// Are we getting the whole schema or just the type, 'real', 'nested', etc.
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return typeOnly ? type : schema;
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};
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