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Wasm integration #47

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Wasm integration #47

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rogueloop
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@rogueloop rogueloop commented May 11, 2024

What type of MR is this? (check all applicable)

  • [ x] 馃崟 Feature

Web assembly integration for Lama2.

Modifying Golang to add support for building web assembly binary.

Important files to start review from

Controller.wasm.go
l2.wasm.go

lama2cmd/lama2cmd.wasm.go
preprocess/preprocess.wasm.go

Build command for normal cli builds

go build -tags=cli -o build/l2 -ldflags "-X main.version=$(git tag --sort=-version:refname | head -n 1) -X main.lamawasm=cli " l2.go

Build command for wasm builds

GOOS=js GOARCH=wasm go build -o build/l2.wasm -tags=wasm -ldflags "-X main.version=$(git tag --sort=-version:refname | head -n 1) -X main.lamawasm=lamawasm " l2.wasm.go

@@ -16,11 +16,11 @@ jobs:
- name: Install dependencies
run: go mod tidy
- name: Build
run: go build -v ./...
run: go build -tags=cli -v ./...
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Is this done only for ones with tag cli, are there any other tags

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yes there is wasm tag also currently build is failing , checking that now

Comment on lines +58 to +59
keyValuePair := fmt.Sprintf("%s=%s", key, val.Data().(string))
command = append(command, keyValuePair)
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Are these changes tested?

// TODO - replace stuff in headers, and varjson and json as well
cmd, stdinBody := cmdgen.ConstructCommand(block)
resp, e1 := cmdexec.ExecCommand(cmd, stdinBody)
printFields(resp)
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What does this do

Comment on lines +24 to +26
js.Global().Set("lama2Wasm", js.FuncOf(lama2Wasm))
js.Global().Set("goWebRequestFunc", wasmLamaPromise())
select {}
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Can add a comment on what these lines do


func lama2Wasm(this js.Value, i []js.Value) interface{} {
go func() {
controller.ProcessWasmInput("GET\nhttps://httpbin.org/get")
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Is this for processing the Default request?

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That function was for testing purpose , removed

@@ -6,7 +6,7 @@ import (

"github.com/HexmosTech/lama2/l2lsp/request"
"github.com/HexmosTech/lama2/l2lsp/response"
"github.com/rs/zerolog/log"
// "github.com/rs/zerolog/log"
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This can be removed right

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this is for logging purpose


func ExpandHeaders(block *gabs.Container) {
headerMap := block.S("details", "headers")
// log.Info().Str("HeaderMap", headerMap.String()).Msg("")
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Can remove commented code

@@ -0,0 +1,220 @@
//go:build wasm
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What is the basic difference in the code between preprocess.wasm.go and preprocess.go

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3 participants