TinyGo Support and Cloudflare Workers Example

[ben-krieger]

$ GOOS=js GOARCH=wasm go build -ldflags '-s -w' -o go-rv.wasm ./examples/wasm/main.go && du -h go-rv.wasm
12M    go-rv.wasm
$ tinygo build -target wasm -no-debug -gc leaking -o tinygo-rv.wasm ./examples/wasm/main.go && du -h tinygo-rv.wasm
1.5M    tinygo-rv.wasm

~88% size reduction before compression

Also, updated sqlite module to not use transactions, because Cloudflare D1 does not support them.

Tracking upstream PRs that need to be merged and released first:

• SQLite BLOB support: Support []byte arguments to D1 Query/Exec syumai/workers#128
• Non-chunked HTTP responses: Response content length syumai/workers#129
• HTTP and Cron in same Worker: Support HTTP Request and Cron Trigger in Single Worker syumai/workers#130
• Add a couple reflect methods and fix reflect.Copy: reflect: add Value.Clear; support anytype->interface{}, Slice->(*)Array in Value.Convert, fix Copy tinygo-org/tinygo#4543

Other tasks:

• Remove usage of (*http.Request).PathValue in non-TinyGo code
• Document required TinyGo version
• Remove syumai/workers fork replace statement in examples/go.mod
• Add TinyGo CI tests for at least ., ./cbor, and ./http
• Investigate upsert in SetRVBlob setting rv to []byte{0x00}

[ben-krieger]

TinyGo 0.35.0 has been released, so this PR can now be tested and finalized!