Experimental Go/wasm browser (SkywireGoBrowser) in the wasm visor - #11
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Experimental Go/wasm browser (SkywireGoBrowser) in the wasm visor#110pcom wants to merge 1 commit into
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An EXPERIMENTAL alternative to netscrape's browse.js — a browser written in Go/wasm (github.com/0magnet/shipyard cmd/browser). Its chrome (tabs, address bar, back/forward), page transcoding (sandboxed srcdoc, inlined stylesheets/images via a parent/sandbox relay), and navigation are all Go+syscall/js; only the network is delegated, through the same skywireVisor.fetchDmsg / fetchClearnet the JS engine uses. Additive and non-breaking — netscrape's browse.js is untouched. The module (gobrowser.wasm.gz, inflated by GoBrowserWasm()) is served at /gobrowser.wasm; gobrowser-loader.js (in the bundle) exposes globalThis.SkywireGoBrowser.open(), which opens a winbox window, wires the transport (mesh hosts → fetchDmsg, else fetchClearnet), and instantiates the module. Built without a running visor to test against — open the visor page and call SkywireGoBrowser.open() in the console to try it; the transport wiring in gobrowser-loader.js (fetchDmsg/fetchClearnet signatures, WinBox .body) is the most likely thing to need adjusting to the live API.
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Superseded by the upstream PR: skycoin#4469 (same branch). |
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Adds an experimental alternative to netscrape's
browse.js: a browser written in Go/wasm (0magnet/shipyardcmd/browser). Its chrome (tabs, address bar, back/forward, reload), page transcoding (renders in a sandboxedsrcdoc, inlines stylesheets as<style>and images asdata:URIs via a parent/sandbox postMessage relay), and navigation are all Go +syscall/js. Only the network is delegated, through the sameskywireVisor.fetchDmsg/fetchClearnetthe JS engine already uses.Non-breaking
netscrape's
browse.jsis untouched and still the default. This only adds a launcher.What it wires
pkg/wasmhv/browseui/gobrowser.wasm.gz— the module (632 KB gz), inflated byGoBrowserWasm(), served at/gobrowser.wasm(both the native HV page andhv serve).pkg/wasmhv/browseui/gobrowser-loader.js— concatenated into the bundle; definesglobalThis.SkywireGoBrowser.open(), which opens a winbox window, setsglobalThis.__shipyardBrowserFetch(mesh hosts →fetchDmsg, elsefetchClearnet), and instantiates the module against that window.pkg/wasmhv/embed.go; serving cases inpkg/visor/hypervisor_handlers_browse.goandpkg/visor/wasmserve.go.How to test
Open the visor page, then in the console:
A window should open; type
example.com(clearnet) or a*.dmsghost (mesh) in the address bar.Built blind — please poke at it
I built this without a running visor to test against. The likely spots needing adjustment to the live API are in
gobrowser-loader.js: the exactfetchDmsg/fetchClearnetsignatures and return shapes, andWinBox().body. Native + wasm packages compile (go build ./pkg/wasmhv/... ./pkg/visor/...).