js-backend can't compile life.v

[Ameeer1]

Describe the bug

when i try to compile life.v("examples\game_of_life\life.v") using("v -prod -b js -prod -o life.js life.v") i get an error

Reproduction Steps

C:\apps\v\examples\game_of_life>v -prod -b js -prod -o life.js life.v
C:/apps/v/vlib/term/utf8.v:5:7: error: unknown function: input_character
    3 | // utf8_getchar returns an utf8 rune from standard input
    4 | pub fn utf8_getchar() ?rune {
    5 |     c := input_character()
      |          ~~~~~~~~~~~~~~~~~
    6 |     if c == -1 {
    7 |         return none
C:/apps/v/vlib/term/utf8.v:5:4: error: assignment mismatch: 1 variable(s) but `input_character()` returns 0 value(s)
    3 | // utf8_getchar returns an utf8 rune from standard input
    4 | pub fn utf8_getchar() ?rune {
    5 |     c := input_character()
      |       ~~
    6 |     if c == -1 {
    7 |         return none
C:/apps/v/vlib/term/utf8.v:6:5: error: non-bool type `void` used as if condition
    4 | pub fn utf8_getchar() ?rune {
    5 |     c := input_character()
    6 |     if c == -1 {
      |        ~~~~~~~
    7 |         return none
    8 |     }
C:/apps/v/vlib/term/utf8.v:9:21: error: operator `~` can only be used with integer types, but the value after `~` is of type `void` instead
    7 |         return none
    8 |     }
    9 |     len := utf8_len(u8(~c))
      |                        ^
   10 |     if c < 0 {
   11 |         return 0
C:/apps/v/vlib/term/utf8.v:9:21: error: expression does not return a value so it cannot be cast
    7 |         return none
    8 |     }
    9 |     len := utf8_len(u8(~c))
      |                        ^
   10 |     if c < 0 {
   11 |         return 0
C:/apps/v/vlib/term/utf8.v:9:18: error: cannot cast type `void` to `u8`
    7 |         return none
    8 |     }
    9 |     len := utf8_len(u8(~c))
      |                     ~~~~~~
   10 |     if c < 0 {
   11 |         return 0
C:/apps/v/vlib/term/utf8.v:10:5: error: non-bool type `void` used as if condition
    8 |     }
    9 |     len := utf8_len(u8(~c))
   10 |     if c < 0 {
      |        ~~~~~
   11 |         return 0
   12 |     } else if len == 0 {
C:/apps/v/vlib/term/utf8.v:13:3: error: `c` used as value
   11 |         return 0
   12 |     } else if len == 0 {
   13 |         return c
      |         ~~~~~~~~
   14 |     } else if len == 1 {
   15 |         return -1
C:/apps/v/vlib/term/utf8.v:17:13: error: mismatched types `void` and `int literal`
   15 |         return -1
   16 |     } else {
   17 |         mut uc := c & ((1 << (7 - len)) - 1)
      |                   ~~~~~~~~~~~~~~~~~~~~~~~~~~
   18 |         for i := 0; i + 1 < len; i++ {
   19 |             c2 := input_character()
C:/apps/v/vlib/term/utf8.v:19:10: error: unknown function: input_character
   17 |         mut uc := c & ((1 << (7 - len)) - 1)
   18 |         for i := 0; i + 1 < len; i++ {
   19 |             c2 := input_character()
      |                   ~~~~~~~~~~~~~~~~~
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
   21 |                 uc <<= 6
C:/apps/v/vlib/term/utf8.v:19:7: error: assignment mismatch: 1 variable(s) but `input_character()` returns 0 value(s)
   17 |         mut uc := c & ((1 << (7 - len)) - 1)
   18 |         for i := 0; i + 1 < len; i++ {
   19 |             c2 := input_character()
      |                ~~
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
   21 |                 uc <<= 6
C:/apps/v/vlib/term/utf8.v:20:20: error: invalid operation: shift on type `void`
   18 |         for i := 0; i + 1 < len; i++ {
   19 |             c2 := input_character()
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
      |                             ~~
   21 |                 uc <<= 6
   22 |                 uc |= (c2 & 63)
C:/apps/v/vlib/term/utf8.v:20:7: error: left operand for `&&` is not a boolean
   18 |         for i := 0; i + 1 < len; i++ {
   19 |             c2 := input_character()
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
      |                ~~~~~~~~
   21 |                 uc <<= 6
   22 |                 uc |= (c2 & 63)
C:/apps/v/vlib/term/utf8.v:20:19: error: right operand for `&&` is not a boolean
   18 |         for i := 0; i + 1 < len; i++ {
   19 |             c2 := input_character()
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
      |                            ~~~~~~~~~~~~~~
   21 |                 uc <<= 6
   22 |                 uc |= (c2 & 63)
C:/apps/v/vlib/term/utf8.v:20:7: error: non-bool type `void` used as if condition
   18 |         for i := 0; i + 1 < len; i++ {
   19 |             c2 := input_character()
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~
   21 |                 uc <<= 6
   22 |                 uc |= (c2 & 63)
C:/apps/v/vlib/term/utf8.v:21:5: error: operator <<= not defined on left operand type `void`
   19 |             c2 := input_character()
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
   21 |                 uc <<= 6
      |                 ~~
   22 |                 uc |= (c2 & 63)
   23 |             } else if c2 == -1 {
C:/apps/v/vlib/term/utf8.v:21:12: error: cannot assign to `uc`: expected `void`, not `int literal`
   19 |             c2 := input_character()
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
   21 |                 uc <<= 6
      |                        ^
   22 |                 uc |= (c2 & 63)
   23 |             } else if c2 == -1 {
C:/apps/v/vlib/term/utf8.v:22:12: error: mismatched types `void` and `int literal`
   20 |             if c2 != -1 && (c2 >> 6) == 2 {
   21 |                 uc <<= 6
   22 |                 uc |= (c2 & 63)
      |                        ~~~~~~~
   23 |             } else if c2 == -1 {
   24 |                 return 0
C:/apps/v/vlib/term/utf8.v:23:14: error: non-bool type `void` used as if condition
   21 |                 uc <<= 6
   22 |                 uc |= (c2 & 63)
   23 |             } else if c2 == -1 {
      |                       ~~~~~~~~
   24 |                 return 0
   25 |             } else {
C:/apps/v/vlib/term/utf8.v:29:3: error: `uc` used as value
   27 |             }
   28 |         }
   29 |         return uc
      |         ~~~~~~~~~
   30 |     }
   31 | }
If the code of your project is in multiple files, try with `v .` instead of `v life.v`
If the code of your project is in multiple files, try with `v .` instead of `v life.v`

Expected Behavior

it should create life,js file

Current Behavior

v can't compile life.v file to life.js and return errors

Possible Solution

No response

Additional Information/Context

No response

V version

V 0.4.4 4163faf

Environment details (OS name and version, etc.)

windows 11

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