phetsims/phet-core

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Core utilities used by all PhET simulations.

Stars: 12
Forks: 10
Open beginner issues: 0
Indexed issues: 25

Dominant language: TypeScript
License: MIT
Last GitHub push: Mar 31, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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25 open issues indexed

Remaining work for optionize Open

type:epic

Difficulty 5/5 Over a week Newbie friendliness 15/100

phetsims/phet-core#129 · Opened Mar 9, 2023
Optionize3 should allow some defaults from the first arg Open

dev:typescript

Difficulty 3/5 1-2 days Newbie friendliness 35/100

phetsims/phet-core#118 · 4 comments · Opened May 13, 2022
Pattern for nestedOptions in `optionize` Open

dev:typescript

Difficulty 3/5 1-2 days Newbie friendliness 35/100

phetsims/phet-core#127 · 13 comments · Opened Apr 24, 2022
user agent match for Edge is not correct in platform.js Open

phetsims/phet-core#115 · 4 comments · 1 assignee · Opened Apr 8, 2022
RequiredOptions.ts duplicates PickRequired.ts Open

phetsims/phet-core#109 · 2 comments · 1 assignee · Opened Mar 3, 2022
Typescript Convention: How to support PhET's option pattern? Open

dev:typescript

Difficulty 5/5 Over a week Newbie friendliness 20/100

phetsims/phet-core#128 · 67 comments · Opened Oct 24, 2021
factor out isMergeable Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

phetsims/phet-core#83 · 2 comments · Opened Apr 27, 2020
InstanceRegistry silent ignores errors Open

priority:3-medium

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/phet-core#80 · 3 comments · Opened Dec 26, 2019
Can Enumeration.options.beforeFreeze be eliminated? Open

priority:4-low

Difficulty 4/5 3-5 days Newbie friendliness 25/100

phetsims/phet-core#77 · 3 comments · Opened Dec 6, 2019
iOS 13: Going back and then forward in to a sim can cause a freeze Open

type:bug

phetsims/phet-core#69 · 1 assignee · Opened Sep 17, 2019
iOS 13 Full Screen: frequently thinks you are typing Open

type:bug

phetsims/phet-core#67 · 6 comments · 1 assignee · Opened Sep 17, 2019
iOS 13 Full Screen: Dragging items down exits full screen Open

type:bug

phetsims/phet-core#66 · 2 comments · 1 assignee · Opened Sep 17, 2019
Investigate Poolable.maxSize to test quickly for memory leaks Open

phetsims/phet-core#55 · 2 comments · 1 assignee · Opened Mar 7, 2019
branch: no-pop-pooling Open

phetsims/phet-core#36 · 1 assignee · Opened May 26, 2018
Improved Pooling Open

dev:enhancement

phetsims/phet-core#35 · 22 comments · 1 assignee · Opened May 26, 2018
Add mixins to the inherit call? Open

phetsims/phet-core#33 · 4 comments · 1 assignee · Opened Nov 21, 2017
Should static properties be inherited? Open

type:performance

phetsims/phet-core#30 · 13 comments · 1 assignee · Opened Oct 23, 2017
prevent mixin from replacing an existing property Open

phetsims/phet-core#29 · 9 comments · 1 assignee · Opened Oct 20, 2017
branch: built-names Open

phetsims/phet-core#28 · 15 comments · 1 assignee · Opened Aug 7, 2017
check for illegal global at runtime Open

dev:enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

phetsims/phet-core#17 · 3 comments · Opened Feb 2, 2015
Mixin support and instanceof replacement with isInstanceOf() method Open

dev:enhancement priority:3-medium

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/phet-core#14 · 1 comment · Opened Sep 30, 2014
extend throws an error when any argument after the 1st has a non-owned property Open

dev:enhancement priority:4-low type:bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

phetsims/phet-core#13 · Opened Sep 30, 2014
Simpler API for allocation tracking Open

dev:enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/phet-core#8 · Opened Jun 24, 2014
Maybe Array.push and Array.pop shouldn't be used for pooling if they allocate memory Open

dev:enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

phetsims/phet-core#7 · 7 comments · Opened May 5, 2014
Instance should not be freed to pool twice Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

phetsims/phet-core#6 · 1 comment · Opened Apr 30, 2014

phetsims/phet-core

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