Rich Harris

Svelte 5: differentiate between supported and unsupported TypeScript features

10

### Describe the problem Svelte 5 supports TypeScript syntax natively, but it doesn't support TypeScript runtime features such as enums, `using`, decorators (related: #11397) and so on. In general, a...

feat: add Spring class

8

This adds a `Spring` class as an alternative to the existing `spring` store factory. The behaviour is essentially identical, but the API is slightly different: ```diff -const coords = spring({...

Utility for knowing if an `Identifier` is a reference to a binding

3

When traversing an AST, is there an easy way to know if an `Identifier` node references a binding or not? In other words, this code... ```js const ast = parse(`foo;...

should be installable to homescreen as a fullscreen app

adds TypeScript 5.5 to the test matrix, and adds a test for `/** @import ... /`

Wild stab in the dark: it works for values but not for types https://github.com/Rich-Harris/dts-buddy/blob/a0ecd0ae298c6a5a8cec60419b37944174ea6f64/test/samples/export-type/output/index.d.ts.map#L1-L8

playground: console formatting isn't applied

2

### Describe the bug also, the colours look terrible in dark mode ### Reproduction [click the button](https://svelte-5-preview.vercel.app/#H4sIAAAAAAAAE42PzWrDMBCEX2URhTg02O1VtQOlj5H0kMhrqkZ_SKtAEXr3WhJJofTQgw6zmhm-SWyRCgPjh8TMSSPj7NU5tmP05YoIV1SEqw42elEuYxBeOtofzZGkdtYTvH1INcPirYZNP1TVt-DmpdjKU0hgz58oCCZ4CHQi7BIIGw1xeIK8XZ3j8NNtxtaaWijDsF8ptJ3lInFmnHzEvLtDV_N_sQtLutHkwuO8daErDOV_iUaQtAakER41Guq2kOoSaqm-gsPjBM91Yf4Nf45Ea4E1QklxmdK9KVeCeg38tq7V1ZIW_GPre_4GeGsDbKwBAAA=)

### Describe the bug If you're on any component other than `App.svelte` and you hit the 'migrate' button, it will focus `App.svelte` ### Reproduction [click on Child.svelte, then 'migrate'](https://svelte-5-preview.vercel.app/#H4sIAAAAAAAAE32PwQrCMBBEfyUsHlosqNfaFsTPsB5qusVgugnNRpCQfzdtod687ezsm2UCDEqjg_IWgLoRoYSLtVAAf-ws3Bs1Y9LO-EnOm8rJSVluWmpZIwtpPLGoxc5xx5gd83Nykjd4kqwMCUVywhGJs1yE2Wl5Zfa1OM3HHFuqDr9Yqh6eOZGGpFbyVYctIi5vl60rRVhyFnolGojF1uP6VLr_1yTNo-nVoLCHkieP8R6_083AghABAAA=)