js: port more methods (os, builtin) (#12238)

vlib/builtin/js/builtin.js.v

@@ -83,6 +83,10 @@ fn js_stacktrace() string {
 	return stacktrace
 }
 
+pub fn print_backtrace() {
+	println(js_stacktrace())
+}
+
 // Check for nil value
 pub fn isnil(val voidptr) bool {
 	res := false

vlib/builtin/js/builtin.v

@@ -6,6 +6,7 @@ module builtin
 
 fn (a any) toString()
 
+[noreturn]
 pub fn panic(s string) {
 	eprintln('V panic: $s\n$js_stacktrace()')
 	exit(1)

vlib/builtin/js/int.js.v

@@ -155,3 +155,35 @@ pub fn (b []byte) hex() string {
 	}
 	return hex
 }
+
+pub fn (i int) hex2() string {
+	return '0x' + i.hex()
+}
+
+pub fn (i i8) hex2() string {
+	return '0x' + i.hex()
+}
+
+pub fn (i i16) hex2() string {
+	return '0x' + i.hex()
+}
+
+pub fn (i i64) hex2() string {
+	return '0x' + i.hex()
+}
+
+pub fn (i byte) hex2() string {
+	return '0x' + i.hex()
+}
+
+pub fn (i u16) hex2() string {
+	return '0x' + i.hex()
+}
+
+pub fn (i u32) hex2() string {
+	return '0x' + i.hex()
+}
+
+pub fn (i u64) hex2() string {
+	return '0x' + i.hex()
+}

vlib/builtin/js/string.js.v

@@ -910,3 +910,10 @@ pub fn (s string) index(search string) ?int {
 	}
 	return res
 }
+
+pub fn (_rune string) utf32_code() int {
+	res := 0
+	#res.val = s.str.charCodeAt()
+
+	return res
+}

vlib/os/file.js.v

@@ -35,7 +35,7 @@ pub fn open_file(path string, mode string, options ...int) ?File {
 		#try {
 		#res.fd = new int($fs.openSync(''+path,''+mode,permissions))
 		#} catch (e) {
-		#return builtin.error('' + e);
+		#return error(new string('' + e));
 		#}
 
 		res.is_opened = true
@@ -83,11 +83,11 @@ pub fn (f &File) read(mut buf []byte) ?int {
 	}
 	mut nbytes := 0
 	#try {
-	#let buffer = $fs.readFileSync(f.fd.valueOf());
+	#let buffer = $fs.readFileSync(f.val.fd.valueOf());
 	#
 	#for (const val of buffer.values()) { buf.arr[nbytes++] = val; }
 	#}
-	#catch (e) { return builtin.error('' + e); }
+	#catch (e) { return error('' + e); }
 
 	return nbytes
 }
@@ -97,8 +97,9 @@ pub fn (mut f File) write(buf []byte) ?int {
 		return error('file is not opened')
 	}
 	mut nbytes := 0
-	#const b = $buffer.Buffer.from(buf.arr.map((x) => x.valueOf()))
-	#try { $fs.writeSync(f.fd.valueOf(),b,0,buf.len.valueOf(),0); } catch (e) { return builtin.error('' + e); }
+	#buf.arr.make_copy()
+	#const b = $buffer.Buffer.from(buf.arr.arr.map((x) => x.valueOf()))
+	#try { $fs.writeSync(f.val.fd.valueOf(),b,0,buf.len.valueOf(),0); } catch (e) { return error(new string('' + e)); }
 
 	return nbytes
 }
@@ -116,8 +117,9 @@ pub fn (mut f File) write_to(pos u64, buf []byte) ?int {
 		return error('file is not opened')
 	}
 	mut nbytes := 0
-	#const b = $buffer.Buffer.from(buf.arr.map((x) => x.valueOf()))
-	#try { $fs.writeSync(f.fd.valueOf(),b,0,buf.len.valueOf(),pos.valueOf()); } catch (e) { return builtin.error('' + e); }
+	#buf.arr.make_copy()
+	#const b = $buffer.Buffer.from(buf.arr.arr.map((x) => x.valueOf()))
+	#try { $fs.writeSync(f.val.fd.valueOf(),b,0,buf.len.valueOf(),pos.valueOf()); } catch (e) { return error(new string('' + e)); }
 
 	return nbytes
 }
@@ -130,7 +132,19 @@ pub fn (mut f File) write_string(s string) ?int {
 }
 
 pub fn (mut f File) close() {
-	#f.valueOf().fd.close()
+	#$fs.closeSync(f.valueOf().fd.valueOf())
 }
 
 pub fn (mut f File) write_full_buffer(s voidptr, buffer_len usize) ? {}
+
+pub fn (mut f File) write_array(buffer array) ?int {
+	if !f.is_opened {
+		return error('file is not opened')
+	}
+	mut nbytes := 0
+	#buffer.arr.make_copy()
+	#const b = $buffer.Buffer.from(buffer.arr.arr.map((x) => x.valueOf()))
+	#try { $fs.writeSync(f.val.fd.valueOf(),b,0,buffer.len.valueOf(),0); } catch (e) { return error(new string('' + e)); }
+
+	return nbytes
+}

vlib/os/os.js.v

@@ -133,3 +133,20 @@ pub fn glob(patterns ...string) ?[]string {
 	panic('not yet implemented')
 	return none
 }
+
+pub fn write_file_array(path string, buffer array) ? {
+	mut f := create(path) ?
+	f.write_array(buffer) ?
+	f.close()
+}
+
+pub fn chdir(s string) ? {
+	#try { $process.chdir(s.str); } catch (e) { return error(new string('' + s)) }
+}
+
+pub fn file_last_mod_unix(path string) int {
+	mtime := 0
+	#mtime.val = Math.floor($fs.lstatSync(path.str).mtime.getTime() / 1000)
+
+	return mtime
+}