1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
'use strict';
function getRelatedSchemaIndexes(model, schemaIndexes) {  return getRelatedIndexes({    baseModelName: model.baseModelName,    discriminatorMapping: model.schema.discriminatorMapping,    indexes: schemaIndexes,    indexesType: 'schema'  });}
function getRelatedDBIndexes(model, dbIndexes) {  return getRelatedIndexes({    baseModelName: model.baseModelName,    discriminatorMapping: model.schema.discriminatorMapping,    indexes: dbIndexes,    indexesType: 'db'  });}
module.exports = {  getRelatedSchemaIndexes,  getRelatedDBIndexes};
function getRelatedIndexes({  baseModelName,  discriminatorMapping,  indexes,  indexesType}) {  const discriminatorKey = discriminatorMapping && discriminatorMapping.key;  const discriminatorValue = discriminatorMapping && discriminatorMapping.value;
  if (!discriminatorKey) {    return indexes;  }
  const isChildDiscriminatorModel = Boolean(baseModelName);  if (isChildDiscriminatorModel) {    return indexes.filter(index => {      const partialFilterExpression = getPartialFilterExpression(index, indexesType);      return partialFilterExpression && partialFilterExpression[discriminatorKey] === discriminatorValue;    });  }
  return indexes.filter(index => {    const partialFilterExpression = getPartialFilterExpression(index, indexesType);    return !partialFilterExpression || !partialFilterExpression[discriminatorKey];  });}
function getPartialFilterExpression(index, indexesType) {  if (indexesType === 'schema') {    const options = index[1];    return options && options.partialFilterExpression;  }  return index.partialFilterExpression;}