feat: rewrite fs.lua in JavaScript(node) (#22)

* feat: rewrite fs.lua in JavaScript(node)

.github/workflows/ci.yml

@@ -17,6 +17,10 @@ jobs:
         chmod +x llvm.sh
         sudo ./llvm.sh 18
         rm llvm.sh
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '22'
     - name: Build
       run: make all
     - name: Install tools
@@ -25,7 +29,6 @@ jobs:
       run: make test
     - name: Benchmark
       run: make benchmark
-
   macos:
     runs-on: macos-latest
 

docs/fs.md

@@ -8,7 +8,7 @@ one entry file named `main.js`, and ckb-js-vm will load this file system from
 any cell and execute `main.js` in it.
 
 A file system is represented as a binary file in the format described below. We
-may use the script [fs.lua](../tools/fs.lua) to create a file system from given
+may use the script [fs-packer](../tools/fs-packer) to create a file system from given
 files or unpack the file system into files.
 
 ## How to create a Simple File System
@@ -35,9 +35,9 @@ export function fib(n) {
 
 If we want ckb-js-vm to execute this code smoothly, we must package them into a
 file system first. To pack them within the current directory into `fib.fs`, you
-may run 
+may run
 ```shell
-find . -name *.js -type f | lua tools/fs.lua pack fib.fs
+find . -name *.js -type f | node tools/fs-packer/dist/index.js pack fib.fs
 ```
 
 ```
@@ -46,7 +46,7 @@ packing file ./fib_module.js to fib_module.js
 packing file ./main.js to main.js
 ```
 
-Note that all file paths piped into the `fs.lua` must be in the relative path
+Note that all file paths piped into the `fs-packer` must be in the relative path
 format. The absolute path of a file in the current system is usually meaningless
 in the Simple File System.
 
@@ -88,7 +88,7 @@ JavaScript files.
 
 ## Unpack Simple File System to Files
 
-To unpack the files contained within a fs, you may run `lua tools/fs.lua unpack fib.fs .`.
+To unpack the files contained within a fs, you may run `node tools/fs-packer/dist/index.js unpack fib.fs .`.
 
 ## Simple File System On-disk Representation
 

tests/ckb_js_tests/Makefile

@@ -24,12 +24,12 @@ module: spawn_caller
 	cargo run --bin module | ${CKB_DEBUGGER} --tx-file=- -s lock
 
 build/bytecode/fs_modules.fs: test_data/fs_module/main.js test_data/fs_module/fib_module.js
-	cd test_data/fs_module && lua ../../../../tools/fs.lua pack ../../../../$@ main.js fib_module.js
+	cd test_data/fs_module && node ../../../../tools/fs-packer/dist/index.js pack ../../../../$@ main.js fib_module.js
 
 fs_bytecode:
 	$(CKB_DEBUGGER) --read-file test_data/fs_module/main.js --bin $(BIN_PATH) -- -c | awk -f $(ROOT_DIR)/../../tools/compile.awk | xxd -r -p > ../../build/bytecode/main.bc
 	$(CKB_DEBUGGER) --read-file test_data/fs_module/fib_module.js --bin $(BIN_PATH) -- -c | awk -f $(ROOT_DIR)/../../tools/compile.awk | xxd -r -p > ../../build/bytecode/fib_module.bc
-	cd ../../build/bytecode && lua ../../tools/fs.lua pack ../../build/bytecode/fs_modules_bc.fs main.bc fib_module.bc
+	cd ../../build/bytecode && node ../../tools/fs-packer/dist/index.js pack ../../build/bytecode/fs_modules_bc.fs main.bc fib_module.bc
 	$(CKB_DEBUGGER) --max-cycles $(MAX_CYCLES) --read-file ../../build/bytecode/fs_modules_bc.fs --bin $(BIN_PATH) -- -f -r 2>&1 | fgrep 'Run result: 0'
 
 file_system: build/bytecode/fs_modules.fs
@@ -39,7 +39,7 @@ syscall:
 	cargo run --bin syscall | $(CKB_DEBUGGER) --tx-file=- -s lock
 
 fs_mount:
-	cd test_data/fs_module_mount && lua ../../../../tools/fs.lua pack ../../../../build/bytecode/fib_module.fs fib_module.js
+	cd test_data/fs_module_mount && node ../../../../tools/fs-packer/dist/index.js pack ../../../../build/bytecode/fib_module.fs fib_module.js
 	cargo run --bin module_mount | ${CKB_DEBUGGER} --tx-file=- -s lock
 
 simple_udt:

tools/fs-packer/.gitignore

@@ -0,0 +1,3 @@
+node_modules/
+test.pak
+test-output