GOOS = js

GOARCH = wasm

SRC_DIR = src

MAIN_GO = $(SRC_DIR)/main.go

WASM_OUTPUT = main.wasm

B64_OUTPUT = main.wasm.b64

.PHONY: all

all: build convert update-html

.PHONY: build

build:

@echo "Building WebAssembly binary..."

cd $(SRC_DIR) && GOOS=$(GOOS) GOARCH=$(GOARCH) go build -ldflags="-s -w" -o ../$(WASM_OUTPUT) $(notdir $(MAIN_GO))

@echo "Build complete: $(WASM_OUTPUT)"

.PHONY: convert

convert: build

@echo "Converting WASM to base64..."

base64 -w 0 $(WASM_OUTPUT) > $(B64_OUTPUT)

@echo "Base64 conversion complete: $(B64_OUTPUT)"

.PHONY: update-html

update-html: convert

@echo "Updating index.html with new WASM base64 data..."

@if [ ! -f $(B64_OUTPUT) ]; then \

echo "Error: $(B64_OUTPUT) not found"; \

exit 1; \

fi

@python3 -c "\

import re; \

wasm_b64 = open('$(B64_OUTPUT)').read().strip(); \

html = open('index.html').read(); \

new_html = re.sub(r'const wasmBase64 = \"[^\"]*\"', f'const wasmBase64 = \"{wasm_b64}\"', html); \

open('index.html', 'w').write(new_html)"

@echo "index.html updated with new WASM data"

.PHONY: clean

clean:

@echo "Cleaning build artifacts..."

rm -f $(WASM_OUTPUT) $(B64_OUTPUT)

@echo "Clean complete"

.PHONY: rebuild

rebuild: clean all

.PHONY: info

info:

@echo "Build information:"

@if [ -f $(WASM_OUTPUT) ]; then \

echo " WASM size: $$(du -h $(WASM_OUTPUT) | cut -f1)"; \

else \

echo " WASM file not found"; \

fi

@if [ -f $(B64_OUTPUT) ]; then \

echo " Base64 size: $$(du -h $(B64_OUTPUT) | cut -f1)"; \

echo " Base64 lines: $$(wc -l < $(B64_OUTPUT))"; \

else \

echo " Base64 file not found"; \

fi

.PHONY: help

help:

@echo "Available targets:"

@echo " all - Build WASM, convert to base64, and update HTML (default)"

@echo " build - Build WebAssembly binary only"

@echo " convert - Convert existing WASM to base64"

@echo " update-html - Update index.html with new WASM base64 data"

@echo " clean - Remove build artifacts"

@echo " rebuild - Clean and build everything"

@echo " info - Show file size information"

@echo " help - Show this help message"