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Fixes #8317 map(...) #8351

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merged 7 commits into from Nov 19, 2019
Merged

Fixes #8317 map(...) #8351

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6ea62dd
Reproduce #8317
AbdelrahmanHafez Nov 17, 2019
7bd3663
Fixes #8317 map(...)
AbdelrahmanHafez Nov 17, 2019
e01c247
Fix overwriting model name
AbdelrahmanHafez Nov 17, 2019
ba2c353
Make DocumentArray#map return a regular JS array
AbdelrahmanHafez Nov 18, 2019
ba38d1d
Add test to fiter
AbdelrahmanHafez Nov 18, 2019
4599877
Revert making map return vanilla JS Array
AbdelrahmanHafez Nov 19, 2019
63c2f1e
Remove filter test
AbdelrahmanHafez Nov 19, 2019
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18 changes: 9 additions & 9 deletions lib/types/documentarray.js
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Expand Up @@ -328,18 +328,18 @@ if (util.inspect.custom) {

function _updateParentPopulated(arr) {
const parent = arr[arrayParentSymbol];
if (parent.$__.populated != null) {
const populatedPaths = Object.keys(parent.$__.populated).
filter(p => p.startsWith(arr[arrayPathSymbol] + '.'));
if (!parent || parent.$__.populated == null) return;

for (const path of populatedPaths) {
const remnant = path.slice((arr[arrayPathSymbol] + '.').length);
if (!Array.isArray(parent.$__.populated[path].value)) {
continue;
}
const populatedPaths = Object.keys(parent.$__.populated).
filter(p => p.startsWith(arr[arrayPathSymbol] + '.'));

parent.$__.populated[path].value = arr.map(val => val.populated(remnant));
for (const path of populatedPaths) {
const remnant = path.slice((arr[arrayPathSymbol] + '.').length);
if (!Array.isArray(parent.$__.populated[path].value)) {
continue;
}

parent.$__.populated[path].value = arr.map(val => val.populated(remnant));
}
}

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13 changes: 13 additions & 0 deletions test/types.documentarray.test.js
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Expand Up @@ -575,6 +575,19 @@ describe('types.documentarray', function() {
assert.equal(arr.length, 1);
assert.equal(doc.docs.length, 2);
});

it('map() works', function() {
const personSchema = new Schema({ friends: [{ name: { type: String } }]});
const Person = mongoose.model('gh8317-map', personSchema);

const person = new Person({ friends: [{ name: 'Hafez' }] });

const friendsNames = person.friends.map(friend => friend.name);
friendsNames.push('Sam');

assert.equal(friendsNames.length, 2);
assert.equal(friendsNames[1], 'Sam');
});
});

it('cleans modified subpaths on splice() (gh-7249)', function() {
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