Add unary function parsing and custom operator support#3

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psaegert wants to merge 42 commits into

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Commits on Apr 21, 2026

Initial plan
Copilot
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feat: add unary function parsing and tree rendering support

Copilot
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psaegert
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chore: address validation feedback nits

Copilot
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psaegert
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Merge pull request #1 from psaegert/copilot/extend-expression-tree-unary-functions
psaegert
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Initial plan
Copilot
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Add custom # operators with inferred arity up to 3

Copilot
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psaegert
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Address review nits and finalize custom operator support

Copilot
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psaegert
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Hide # prefix in node labels, fix font scaling, improve spacing

Copilot
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psaegert
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Merge pull request #2 from psaegert/copilot/add-custom-operators-support
psaegert
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Initial plan
Copilot
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feat: add export png control enter-to-generate and animation toggle

Copilot
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psaegert
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Merge pull request #3 from psaegert/copilot/add-ux-improvements-export-enter-animation
psaegert
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Initial plan
Copilot
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feat: implement minimal realtime UI with dark mode and sync tree rendering

Copilot
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psaegert
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chore: add SRI for mathjs CDN script

Copilot
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psaegert
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Merge pull request #4 from psaegert/copilot/major-ux-ui-overhaul
psaegert
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Initial plan
Copilot
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Fix parser validation and add export popover with PNG/SVG options

Copilot
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psaegert
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Ensure SVG blob URL persists long enough for download

Copilot
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psaegert
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Merge pull request #5 from psaegert/copilot/fix-a-plus-b-validation-bug
psaegert
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Surface parser errors and display them between input and canvas

Copilot
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psaegert
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Remove now-unused isValidExpression/isValidTokens helpers

Copilot
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psaegert
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Merge pull request #6 from psaegert/copilot/fix-expression-error-display
psaegert
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Render node labels as LaTeX via KaTeX with graceful fallback

Copilot
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psaegert
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Address review: single-pass LaTeX escape, cleaner warm-cache + a11y

Copilot
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psaegert
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Merge pull request #7 from psaegert/copilot/add-latex-display-for-nodes
psaegert
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Require `#\name` for LaTeX symbols, sharpen canvas on HiDPI, pin controls to top on mobile

Copilot
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psaegert
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Merge pull request #8 from psaegert/copilot/fix-latex-symbols-and-canvas-resolution
psaegert
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Fix mobile overlap and node text clipping

Copilot
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psaegert
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Merge pull request #9 from psaegert/copilot/fix-formatting-issues
psaegert
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Support numbers, quoted literals, and copy-to-clipboard actions

Copilot
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psaegert
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Address review: guard PNG fallback, skip all whitespace, note execCommand deprecation

Copilot
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psaegert
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Merge pull request #10 from psaegert/copilot/fix-invalid-character-in-expression
psaegert
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Support "..." and $...$ literals as operator (non-leaf) nodes

Copilot
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psaegert
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Consolidate custom/literal arity branch in getTokenArity

Copilot
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psaegert
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Commits on Jun 13, 2026

docs: fork-aware README + footer credit to original, with screenshots

psaegert
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claude
committed