js: use prefixed names for functions and global symbols (#11387)

vlib/os/environment.js.v

@@ -15,7 +15,7 @@ pub fn setenv(key string, val string, overwrite bool) {
 // `getenv` returns the value of the environment variable named by the key.
 pub fn getenv(key string) string {
 	mut res := ''
-	#if ($ENV[key]) res = new builtin.string($ENV[key])
+	#if ($ENV[key]) res = new string($ENV[key])
 
 	return res
 }

vlib/os/os.js.v

@@ -10,7 +10,7 @@ pub const (
 )
 
 $if js_node {
-	#$process.argv.forEach(function(val,index) { args.arr[index] = new string(val); })
+	#$process.argv.forEach(function(val,index) { os__args.arr[index] = new string(val); })
 }
 
 // real_path returns the full absolute path for fpath, with all relative ../../, symlinks and so on resolved.
@@ -55,7 +55,7 @@ pub fn chown(path string, owner int, group int) {
 pub fn temp_dir() string {
 	mut res := ''
 	$if js_node {
-		#res = new builtin.string($os.tmpdir())
+		#res = new string($os.tmpdir())
 	}
 	return res
 }
@@ -63,7 +63,7 @@ pub fn temp_dir() string {
 pub fn home_dir() string {
 	mut res := ''
 	$if js_node {
-		#res = new builtin.string($os.homedir())
+		#res = new string($os.homedir())
 	}
 	return res
 }
@@ -87,8 +87,8 @@ pub fn execute(cmd string) Result {
 	mut stdout := ''
 	#let commands = cmd.str.split(' ');
 	#let output = $child_process.spawnSync(commands[0],commands.slice(1,commands.length));
-	#exit_code = new builtin.int(output.status)
-	#stdout = new builtin.string(output.stdout + '')
+	#exit_code = new int(output.status)
+	#stdout = newstring(output.stdout + '')
 
 	return Result{
 		exit_code: exit_code

vlib/os/os_js.js.v

@@ -45,7 +45,7 @@ pub fn ls(path string) ?[]string {
 	result := []string{}
 	$if js_node {
 		#let i = 0
-		#$fs.readdirSync(path.str).forEach((path) => result.arr[i++] = new builtin.string(path))
+		#$fs.readdirSync(path.str).forEach((path) => result.arr[i++] = new string(path))
 	}
 	return result
 }

vlib/os/process.js.v

@@ -101,7 +101,7 @@ pub fn (mut p Process) stdin_write(s string) {
 pub fn (mut p Process) stdout_slurp() string {
 	p.check_redirection_call('stdout_slurp')
 	mut res := ''
-	#p.val.pid.stdout.on('data', function (data) { res = new builtin.string(data) })
+	#p.val.pid.stdout.on('data', function (data) { res = new string(data) })
 
 	return res
 }