feat: experimental svelte compiler by ryanatkn · Pull Request #549 · fuzdev/tsv

ryanatkn · 2026-07-22T17:19:09Z

Far from ready, this compiles ~60% of the upstream Svelte fixtures.

…nicalizer

…test

…ixtures

…ress empty hints

…endix buffer

…t-comment guard

… references

…l tag

…ssion

@const

…y}/{@const}) to SSR JS

… lang=ts, const/$derived shadow, glued comments

…acle shape)

…ops rest patterns; allow lang=js/empty

…:corpus:compare task

…rk stream

…tOutput)

ryanatkn added 30 commits July 12, 2026 13:31

docs: permit agent commits on the svelte-compiler branch

07f53b2

feat: add svelte-compile oracle sidecar tool + canonical_compile command

2c7185b

docs: document canonical_compile in Debug Tooling

8665173

feat: add tsv_ts format_canonical intent-erased reprint entry point

82544c2

feat: mint tsv_svelte_compile crate with compile skeleton and JS cano…

20a743b

…nicalizer

feat: add compile_compare debug command and canonicalize idempotence …

0a6f744

…test

docs: document compile_compare command and tsv_svelte_compile crate

cdba066

fix: keep comment-adjacency newline reads real in canonical mode

2e3c572

feat: add compile fixture tree with init/validate commands and seed f…

ebbe5bd

…ixtures

feat: gate canonicalize_audit and compile_conformance_audit in check

f429933

docs: document compile fixture and canonicalize audit tooling

4fde5b4

chore: strip milestone labels, fix audit doc scope, add mjs/cjs, supp…

0446c4b

…ress empty hints

feat: server codegen for static markup, props, and scoped css via app…

2d2a5aa

…endix buffer

docs: describe server codegen, flip compile fixture gates to parity

174fce2

fix: rune refusal walk, oracle whitespace/entity/void emission, scrip…

b00a301

…t-comment guard

fix: refuse option elements, populated select/optgroup, and bare rune…

5d72265

… references

feat: rune SSR rewrites, evaluator fold port, dynamic attributes, htm…

81b4c05

…l tag

test: add rune, attribute, and html-tag compile fixtures

a1ba17e

feat: script comment carry-through with divergent-class refusals

ee71927

docs: describe M2 transforms, evaluator port, and comment carry-through

fc915a8

fix: match ECMAScript exponentiation special cases in the fold

75d0e1b

refactor: restructure template emission onto a statement body builder

7c3aad3

refactor: add scope-overlay and unique-name scaffolding for block emi…

b50ea91

…ssion

feat: compile Svelte control-flow blocks ({#if}/{#each}/{#await}/{#ke…

91e2e06

…y}/{@const}) to SSR JS

fix: port needs_context wrapper + import hoisting; refuse components,…

78ad64e

… lang=ts, const/$derived shadow, glued comments

fix: split multi-declarator top-level declarations per declarator (or…

4003d5f

…acle shape)

fix: refuse instance-script exports; inject $$slots/$$events into $pr…

0374d5c

…ops rest patterns; allow lang=js/empty

feat: add compile_corpus_compare corpus-scale parity runner + compile…

7b636c4

…:corpus:compare task

refactor: parallelize compile_fixtures_validate on the shared bulk wo…

33ab5f5

…rk stream

feat: self-validate compile() output by reparse (CompileError::Corrup…

b84e8aa

…tOutput)

ryanatkn added 27 commits July 20, 2026 17:06

feat: refuse unknown <svelte:...> meta tags

5a4a140

feat: refuse rune calls with a spread argument

44f7b89

feat: refuse export { x as default } in <script module>

f9081c7

refactor

09d5a15

feat: refuse {#each} with a key but no as clause

de62ed9

feat: refuse <script> context attribute other than module

f26531c

feat: refuse valued <script module> attribute

21ece9b

docs

a565ea1

feat: refuse reserved <script> attributes

0c1e6db

merge main

7f0fdcb

feat: refuse props with a $$-prefixed name

ef5a942

feat: refuse props.$$-prefixed member access on a rest_prop

83aa62b

feat: refuse arguments referenced outside a function

632bee4

feat: refuse $props() destructure with a computed key or nested pattern

dbe94ab

refactor: fuse the dollar-binding shape gate and decode into one walk

6ed2439

feat: compile escaped $-prefixed store reads and writes

3c8a643

feat: carry module-script comments the oracle keeps

e30c87d

Merge branch 'main' into svelte-compiler

e88a557

feat: match esrap alias-drop for string-literal import/export specifiers

d0488c3

feat: compile destructured $derived and $derived.by declarators

2b7316a

refactor

b67802c

feat: compile destructured declarators

57f0182

feat: scope selectors inside CSS group at-rules

2ccf51b

feat: compile css @Keyframes scoping

e7ca0e2

feat: compile CSS matching against dynamic and mixed attribute values

0f3bfa1

merge

7777bda

readme

8cd53c2

ryanatkn changed the title ~~feat: svelte compiler~~ feat: experimental svelte compiler Jul 22, 2026

ryanatkn merged commit b624aed into main Jul 22, 2026
2 checks passed

ryanatkn deleted the svelte-compiler branch July 22, 2026 20:11

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feat: experimental svelte compiler#549

feat: experimental svelte compiler#549
ryanatkn merged 198 commits into
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ryanatkn commented Jul 22, 2026 •

edited

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ryanatkn commented Jul 22, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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ryanatkn commented Jul 22, 2026 •

edited

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