wip

playground/wasm/build.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+OUT_DIR="$SCRIPT_DIR/../static"
+OUT_WASM="$OUT_DIR/main.wasm"
+
+mkdir -p "$OUT_DIR"
+
+tinygo build -target=wasm -opt=z -no-debug -panic=trap -gc=leaking \
+  -o "$OUT_WASM" "$SCRIPT_DIR"
+
+# Optional post-process (run only if tools exist)
+# command -v wasm-opt >/dev/null && wasm-opt -Oz --strip-debug --strip-dwarf --strip-producers \
+#   -o "$OUT_WASM.tmp" "$OUT_WASM" && mv "$OUT_WASM.tmp" "$OUT_WASM"
+# command -v wasm-strip >/dev/null && wasm-strip "$OUT_WASM"
+# command -v brotli    >/dev/null && brotli -f -q 11 "$OUT_WASM" -o "$OUT_WASM.br"
+# command -v gzip      >/dev/null && gzip -c -9 "$OUT_WASM" > "$OUT_WASM.gz"
+
+# Copy TinyGo runtime
+cp -f "$(tinygo env TINYGOROOT)/targets/wasm_exec.js" "$OUT_DIR/wasm_exec.js"

playground/wasm/go.mod

@@ -0,0 +1,3 @@
+module git.max-richter.dev/max/marka/playground-wasm
+
+go 1.24.7

playground/wasm/main.go

@@ -0,0 +1,59 @@
+//go:build js && wasm
+
+package main
+
+import (
+	"encoding/json"
+	"syscall/js"
+
+	p "git.max-richter.dev/max/marka/parser"
+)
+
+func matchBlocks(_ js.Value, args []js.Value) any {
+	if len(args) == 0 {
+		return js.ValueOf(map[string]any{"error": "missing markdown"})
+	}
+	t, err := p.MatchBlocks(args[0].String())
+
+	if err != nil {
+		return js.ValueOf(map[string]any{"error": err.Error()})
+	}
+
+	jsonString,_ := json.Marshal(t)
+
+	return js.ValueOf(string(jsonString)) // plain string
+}
+
+func detectType(_ js.Value, args []js.Value) any {
+	if len(args) == 0 {
+		return js.ValueOf(map[string]any{"error": "missing markdown"})
+	}
+	t, err := p.DetectType(args[0].String())
+	if err != nil {
+		return js.ValueOf(map[string]any{"error": err.Error()})
+	}
+	return js.ValueOf(t) // plain string
+}
+
+func parseFile(_ js.Value, args []js.Value) any {
+	if len(args) == 0 {
+		return js.ValueOf(map[string]any{"error": "missing markdown"})
+	}
+	res, err := p.ParseFile(args[0].String())
+	if err != nil {
+		return js.ValueOf(map[string]any{"error": err.Error()})
+	}
+	b, err := json.Marshal(res) // return JSON string to avoid reflect-heavy bridging
+	if err != nil {
+		return js.ValueOf(map[string]any{"error": err.Error()})
+	}
+	return js.ValueOf(string(b))
+}
+
+func main() {
+	js.Global().Set("markaDetectType", js.FuncOf(detectType))
+	js.Global().Set("markaParseFile", js.FuncOf(parseFile))
+	js.Global().Set("markaMatchBlocks", js.FuncOf(matchBlocks))
+	select {}
+}
+