[READ-ONLY] Mirror of https://github.com/bombshell-dev/tty. Platform independent 2D layout engine for terminal applications based on Clay
ref(wasm): split layout and input entrypoints
authored by
Nate Moore
and committed by
Nate Moore
(Jul 1, 2026, 9:48 PM EDT)
c9ed97a2
35ce6a0d
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.gitignore
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.gitignore
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-19
Makefile
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Makefile
···
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CC = clang
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TARGET = clayterm.wasm
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SRC = src/module.c
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CFLAGS = --target=wasm32 -nostdlib -O2 \
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-ffunction-sections -fdata-sections \
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-DCLAY_IMPLEMENTATION -DCLAY_WASM \
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-Isrc -I.
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EXPORTS = \
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LDFLAGS_COMMON = -Wl,--no-entry \
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-Wl,--import-memory \
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-Wl,--stack-first \
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-Wl,--strip-all \
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-Wl,--gc-sections
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LAYOUT_EXPORTS = \
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-Wl,--export=__heap_base \
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-Wl,--export=clayterm_size \
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-Wl,--export=init \
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-Wl,--export=error_count \
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-Wl,--export=error_type \
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-Wl,--export=error_message_length \
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-Wl,--export=error_message_ptr \
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-Wl,--export=error_message_ptr
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INPUT_EXPORTS = \
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-Wl,--export=__heap_base \
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-Wl,--export=input_size \
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-Wl,--export=input_init \
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-Wl,--export=input_scan \
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-Wl,--export=input_event \
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-Wl,--export=input_delay
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LDFLAGS = -Wl,--no-entry \
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-Wl,--import-memory \
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-Wl,--stack-first \
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-Wl,--strip-all \
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-Wl,--gc-sections \
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-Wl,--undefined=Clay__MeasureText \
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-Wl,--undefined=Clay__QueryScrollOffset \
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$(EXPORTS)
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LAYOUT_LDFLAGS = $(LDFLAGS_COMMON) \
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-Wl,--undefined=Clay__MeasureText \
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-Wl,--undefined=Clay__QueryScrollOffset \
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$(LAYOUT_EXPORTS)
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all: $(TARGET) wasm.ts
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@echo "Built $(TARGET) ($$(wc -c < $(TARGET)) bytes raw, $$(gzip -c $(TARGET) | wc -c) bytes gzip)"
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INPUT_LDFLAGS = $(LDFLAGS_COMMON) \
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$(INPUT_EXPORTS)
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DEPS = $(wildcard src/*.c src/*.h)
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$(TARGET): $(DEPS)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(SRC)
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all: clayterm-layout.wasm clayterm-input.wasm wasm-layout.ts wasm-input.ts
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@echo "Built clayterm-layout.wasm ($$(wc -c < clayterm-layout.wasm) bytes raw, $$(gzip -c clayterm-layout.wasm | wc -c) bytes gzip)"
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@echo "Built clayterm-input.wasm ($$(wc -c < clayterm-input.wasm) bytes raw, $$(gzip -c clayterm-input.wasm | wc -c) bytes gzip)"
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clayterm-layout.wasm: $(DEPS)
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$(CC) $(CFLAGS) $(LAYOUT_LDFLAGS) -o $@ src/module-layout.c
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clayterm-input.wasm: $(DEPS)
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$(CC) $(filter-out -DCLAY_IMPLEMENTATION -DCLAY_WASM, $(CFLAGS)) $(INPUT_LDFLAGS) -o $@ src/module-input.c
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wasm.ts: $(TARGET)
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deno run --allow-read --allow-write tasks/bundle-wasm.ts
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wasm-layout.ts: clayterm-layout.wasm
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deno run --allow-read --allow-write tasks/bundle-wasm.ts clayterm-layout.wasm wasm-layout.ts
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wasm-input.ts: clayterm-input.wasm
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deno run --allow-read --allow-write tasks/bundle-wasm.ts clayterm-input.wasm wasm-input.ts
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clean:
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rm -f $(TARGET) wasm.ts
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rm -f clayterm.wasm clayterm-layout.wasm clayterm-input.wasm wasm.ts wasm-layout.ts wasm-input.ts
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.PHONY: all clean
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deno.json
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deno.json
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input-native.ts
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input-native.ts
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delay(st: number): number;
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}
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import { compiled } from "./wasm.ts";
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import { compiled } from "./wasm-input.ts";
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export async function createInputNative(
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escLatency: number,
···
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let instance = await WebAssembly.instantiate(compiled, {
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env: { memory },
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clay: {
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measureTextFunction() {},
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queryScrollOffsetFunction(ret: number) {
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let v = new DataView(memory.buffer);
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v.setFloat32(ret, 0, true);
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v.setFloat32(ret + 4, 0, true);
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},
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},
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});
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let exports = instance.exports as unknown as {
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layout.ts
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layout.ts
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src/module-input.c
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src/module-input.c
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src/module-layout.c
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src/module-layout.c
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tasks/build-npm.ts
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tasks/build-npm.ts
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}
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await build({
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entryPoints: ["./mod.ts"],
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entryPoints: [
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"./mod.ts",
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{ name: "./layout", path: "./layout.ts" },
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{ name: "./input", path: "./input.ts" },
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{ name: "./validate", path: "./validate.ts" },
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],
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outDir,
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shims: {
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deno: false,
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tasks/bundle-wasm.ts
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tasks/bundle-wasm.ts
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return out.join("");
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}
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const wasm = await Deno.readFile("clayterm.wasm");
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const [input = "clayterm.wasm", output = "wasm.ts"] = Deno.args;
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const wasm = await Deno.readFile(input);
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const compressed = new Uint8Array(
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brotliCompressSync(wasm, {
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export const compiled=await WebAssembly.compile(new Uint8Array(brotliDecompressSync(compressed)));
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`;
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await Deno.writeTextFile("wasm.ts", source);
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await Deno.writeTextFile(output, source);
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console.log(
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`wrote wasm.ts (${wasm.length} → ${compressed.byteLength} bytes compressed, ${z85.length} bytes z85, ${
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`wrote ${output} (${wasm.length} → ${compressed.byteLength} bytes compressed, ${z85.length} bytes z85, ${
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Math.round(z85.length / wasm.length * 100)
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}%)`,
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);