0.3.2 (#75)

* ignore fs & child_process in browser env

* use BigInt function over literals to allow third party using bable / uglifyjs etc.

Ref: bcoin-org/bcrypto#33

* add timeout option for compile function

* bump version to 0.3.2

package.json

@@ -1,12 +1,16 @@
 {
   "name": "scryptlib",
-  "version": "0.3.1",
+  "version": "0.3.2",
   "description": "Javascript SDK for integration of Bitcoin SV Smart Contracts written in sCrypt language.",
   "engines": {
     "node": ">=12.0.0"
   },
   "main": "dist/index.js",
   "types": "dist",
+  "browser": {
+    "child_process": false,
+    "fs": false
+  },
   "scripts": {
     "compile": "tsc -b",
     "watch": "tsc -b -w",

src/compilerWrapper.ts

@@ -144,25 +144,26 @@ export function compile(
 		cmdArgs?: string,
 		sourceMap?: boolean,
 		optimize?: boolean,
+		timeout?: number  // in ms
 	} = {
 			asm: true,
 			debug: true,
 			optimize: false,
 		}
 ): CompileResult {
 	const st = Date.now();
-	const npxArg = settings.npxArgs || '--no-install';
 	const sourcePath = source.path;
 	const srcDir = dirname(sourcePath);
 	const curWorkingDir = settings.cwd || srcDir;
 	const sourceFileName = basename(sourcePath);
 	const outputDir = settings.outputDir || srcDir;
+	const timeout = settings.timeout || 1200000;
 	const outputFiles = {};
 	try {
 		const sourceContent = source.content !== undefined ? source.content : readFileSync(sourcePath, 'utf8');
 		const cmdPrefix = settings.cmdPrefix || getDefaultScryptc();
 		const cmd = `${cmdPrefix} compile ${settings.asm || settings.desc ? '--asm' : ''} ${settings.ast || settings.desc ? '--ast' : ''} ${settings.debug == false ? '' : '--debug'} ${settings.optimize ? '--opt' : ''} -r -o "${outputDir}" ${settings.cmdArgs ? settings.cmdArgs : ''}`;
-		let output = execSync(cmd, { input: sourceContent, cwd: curWorkingDir }).toString();
+		let output = execSync(cmd, { input: sourceContent, cwd: curWorkingDir, timeout }).toString();
 		// Because the output of the compiler on the win32 platform uses crlf as a newline， here we change \r\n to \n. make SYNTAX_ERR_REG、SEMANTIC_ERR_REG、IMPORT_ERR_REG work.
 		output = output.split(/\r?\n/g).join('\n');
 		if (output.startsWith('Error:')) {

src/serializer.ts

@@ -101,11 +101,11 @@ class OpState {
 
   toBigInt() : bigint {
     if (this.op.opcodenum === Opcode.OP_1) {
-      return 1n;
+      return BigInt(1);
     } else if (this.op.opcodenum === Opcode.OP_0) {
-      return 0n;
+      return BigInt(0);
     } else if (this.op.opcodenum === Opcode.OP_1NEGATE) {
-      return -1n;
+      return BigInt(-1);
     } else if (this.op.opcodenum >= Opcode.OP_2 && this.op.opcodenum <= Opcode.OP_16) {
       return BigInt(this.op.opcodenum - Opcode.OP_2 + 2);
     } else {
@@ -115,7 +115,7 @@ class OpState {
   }
 
   toBoolean() : boolean {
-    return this.toBigInt() !== 0n;
+    return this.toBigInt() !== BigInt(0);
   }
 
   toHex() : string {