Gh 10423 adds a transform option to lean queries

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,62 @@
+name: 🪲 Bug report
+description: Create a report to help us improve
+
+body:
+  - type: checkboxes
+    id: prerequisites
+    attributes:
+      label: Prerequisites
+      options:
+      - label: I have written a descriptive issue title
+        required: true
+      - label: | 
+          I have searched existing issues to ensure the bug has not already been reported
+        required: true
+
+  - type: input
+    id: mongoose-version
+    attributes:
+      label: Mongoose version
+      placeholder: 6.x.x
+    validations:
+      required: true
+
+  - type: input
+    id: node-version
+    attributes:
+      label: Node.js version
+      placeholder: 14.x
+    validations:
+      required: true
+
+  - type: input
+    id: mongo-version
+    attributes:
+      label: MongoDB server version
+      placeholder: 5.x
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: A clear and concise description of what the bug is.
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: |
+        List of steps, sample code, or a link to code or a project that reproduces the behavior.
+        Make sure you place a stack trace inside a [code (```) block](https://docs.github.com/en/github/writing-on-github/creating-and-highlighting-code-blocks) to avoid linking unrelated issues.
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+documentation:
+  - name: 📘 Documentation
+    url: https://mongoosejs.com/docs/guide.html
+    about: Mongoose Docs

.github/ISSUE_TEMPLATE/feature.yml

@@ -0,0 +1,37 @@
+name: 🚀 Feature Proposal
+description: Submit a proposal for a new feature
+labels: ['enhancement', 'new feature']
+
+body:
+  - type: checkboxes
+    id: prerequisites
+    attributes:
+      label: Prerequisites
+      options:
+      - label: I have written a descriptive issue title
+        required: true
+      - label: | 
+          I have searched existing issues to ensure the feature has not already been requested
+        required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: 🚀 Feature Proposal
+      description: A clear and concise description of what the feature is.
+    validations:
+      required: true
+
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation
+      description: The motivation for the proposal.
+
+  - type: textarea
+    id: example
+    attributes:
+      label: Example
+      description: |
+        An example for how this feature would be used.
+        Make sure you place example code inside a [code (```) block](https://docs.github.com/en/github/writing-on-github/creating-and-highlighting-code-blocks) to avoid linking unrelated issues.

.github/ISSUE_TEMPLATE/help.yml

@@ -0,0 +1,67 @@
+name: 🙋 Help
+description: Open an issue and request for individual help
+labels: ['help', 'help wanted']
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Before you submit an issue we recommend to read the [documentation](https://mongoosejs.com/docs/guide.html).
+
+  - type: checkboxes
+    id: prerequisites
+    attributes:
+      label: Prerequisites
+      options:
+      - label: I have written a descriptive issue title
+        required: true
+
+  - type: input
+    id: mongoose-version
+    attributes:
+      label: Mongoose version
+      placeholder: 6.x.x
+    validations:
+      required: true
+
+  - type: input
+    id: node-version
+    attributes:
+      label: Node.js version
+      placeholder: 14.x
+    validations:
+      required: true
+
+  - type: input
+    id: mongo-version
+    attributes:
+      label: MongoDB version
+      placeholder: 5.x
+    validations:
+      required: true
+
+  - type: dropdown
+    id: os
+    attributes:
+      label: Operating system
+      options:
+        - Linux
+        - macOS
+        - Windows
+    validations:
+      required: false
+
+  - type: input
+    id: os-version
+    attributes:
+      label: Operating system version (i.e. 20.04, 11.3, 10)
+    validations:
+      required: false
+
+  - type: textarea
+    id: text
+    attributes:
+      label: Issue
+      description: |
+        Give as much detail as you can to help us understand.
+        Make sure you place example code inside a [code (```) block](https://docs.github.com/en/github/writing-on-github/creating-and-highlighting-code-blocks) to avoid linking unrelated issues.

.github/ISSUE_TEMPLATE/other.yml

@@ -0,0 +1,22 @@
+name: ❔ Other
+description: Open an issue that is not feature or bug related
+
+body:
+  - type: checkboxes
+    id: prerequisites
+    attributes:
+      label: Prerequisites
+      options:
+      - label: I have written a descriptive issue title
+        required: true
+      - label: | 
+          I have searched existing issues to ensure the issue has not already been raised
+        required: true
+
+  - type: textarea
+    id: text
+    attributes:
+      label: Issue
+      description: |
+        Give as much detail as you can to help us understand.
+        Make sure you place example code inside a [code (```) block](https://docs.github.com/en/github/writing-on-github/creating-and-highlighting-code-blocks) to avoid linking unrelated issues.

.github/ISSUE_TEMPLATE/performance.yml

@@ -0,0 +1,63 @@
+name: 🦥 Performance issue
+description: Report a performance issue
+labels: ['performance']
+
+body:
+  - type: checkboxes
+    id: prerequisites
+    attributes:
+      label: Prerequisites
+      options:
+      - label: I have written a descriptive issue title
+        required: true
+      - label: | 
+          I have searched existing issues to ensure the performance issue has not already been reported
+        required: true
+
+  - type: input
+    id: working-version
+    attributes:
+      label: Last performant version
+      placeholder: 1.x.x
+    validations:
+      required: true
+
+  - type: input
+    id: stopped-working-version
+    attributes:
+      label: Slowed down in version
+      placeholder: 2.x.x
+    validations:
+      required: true
+
+  - type: input
+    id: node-version
+    attributes:
+      label: Node.js version
+      placeholder: 14.x
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: 🦥 Performance issue
+      description: A clear and concise description of what the performance issue is.
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: |
+        List of steps, sample code, or a link to code or a project that reproduces the behavior.
+        Make sure you place a stack trace inside a [code (```) block](https://docs.github.com/en/github/writing-on-github/creating-and-highlighting-code-blocks) to avoid linking unrelated issues.
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.

.github/workflows/test.yml

@@ -121,4 +121,15 @@ jobs:
         uses: actions/upload-artifact@v3
         with:
           name: coverage
-          path: coverage
+          path: coverage
+  dependency-review:
+    name: Dependency Review
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v3
+      - name: Dependency review
+        uses: actions/dependency-review-action@v1

lib/connection.js

@@ -548,7 +548,7 @@ Connection.prototype.dropDatabase = _wrapConnHelper(function dropDatabase(cb) {
   // If `dropDatabase()` is called, this model's collection will not be
   // init-ed. It is sufficiently common to call `dropDatabase()` after
   // `mongoose.connect()` but before creating models that we want to
-  // support this. See gh-6967
+  // support this. See gh-6796
   for (const name of Object.keys(this.models)) {
     delete this.models[name].$init;
   }

lib/document.js

@@ -1378,7 +1378,7 @@ Document.prototype.$set = function $set(path, val, type, options) {
     })();
 
     let didPopulate = false;
-    if (refMatches && val instanceof Document) {
+    if (refMatches && val instanceof Document && (!val.$__.wasPopulated || utils.deepEqual(val.$__.wasPopulated.value, val._id))) {
       const unpopulatedValue = (schema && schema.$isSingleNested) ? schema.cast(val, this) : val._id;
       this.$populated(path, unpopulatedValue, { [populateModelSymbol]: val.constructor });
       val.$__.wasPopulated = { value: unpopulatedValue };

lib/error/index.js

@@ -5,11 +5,11 @@
  * Mongoose-specific errors.
  *
  * #### Example:
- *     const Model = mongoose.model('Test', new Schema({ answer: Number }));
+ *     const Model = mongoose.model('Test', new mongoose.Schema({ answer: Number }));
  *     const doc = new Model({ answer: 'not a number' });
  *     const err = doc.validateSync();
  *
- *     err instanceof mongoose.Error; // true
+ *     err instanceof mongoose.Error.ValidationError; // true
  *
  * @constructor Error
  * @param {String} msg Error message

lib/helpers/clone.js

@@ -77,7 +77,7 @@ function clone(obj, options, isArrayChild) {
     }
   }
 
-  if (obj instanceof ObjectId) {
+  if (isBsonType(obj, 'ObjectID')) {
     return new ObjectId(obj.id);
   }
 

lib/helpers/common.js

@@ -5,8 +5,7 @@
  */
 
 const Binary = require('../driver').get().Binary;
-const Decimal128 = require('../types/decimal128');
-const ObjectId = require('../types/objectid');
+const isBsonType = require('./isBsonType');
 const isMongooseObject = require('./isMongooseObject');
 
 exports.flatten = flatten;
@@ -99,9 +98,9 @@ function shouldFlatten(val) {
   return val &&
     typeof val === 'object' &&
     !(val instanceof Date) &&
-    !(val instanceof ObjectId) &&
+    !isBsonType(val, 'ObjectID') &&
     (!Array.isArray(val) || val.length !== 0) &&
     !(val instanceof Buffer) &&
-    !(val instanceof Decimal128) &&
+    !isBsonType(val, 'Decimal128') &&
     !(val instanceof Binary);
 }

lib/helpers/discriminator/areDiscriminatorValuesEqual.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const ObjectId = require('../../types/objectid');
+const isBsonType = require('../isBsonType');
 
 module.exports = function areDiscriminatorValuesEqual(a, b) {
   if (typeof a === 'string' && typeof b === 'string') {
@@ -9,7 +9,7 @@ module.exports = function areDiscriminatorValuesEqual(a, b) {
   if (typeof a === 'number' && typeof b === 'number') {
     return a === b;
   }
-  if (a instanceof ObjectId && b instanceof ObjectId) {
+  if (isBsonType(a, 'ObjectID') && isBsonType(b, 'ObjectID')) {
     return a.toString() === b.toString();
   }
   return false;