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build.ts
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build.ts
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import
{
promises
as
fs
}
from
"fs"
;
import
*
as
chokidar
from
"chokidar"
;
import
{
make_notifier
}
from
"./notifier.js"
;
import
getPort
from
"get-port"
;
import
{
resolve
}
from
"node:path"
;
import
_locreq
from
"locreq"
;
import
{
BackendTSBuilder
,
FontsBuilder
,
FrontendTSBuilder
,
}
from
"./builder.js"
;
import
{
CSSBuilder
}
from
"./CSSBuilder.js"
;
import
{
hasShape
,
predicates
}
from
"@sealcode/ts-predicates"
;
const
target_locreq
=
_locreq
(
process
.
cwd
());
async
function
get_notifier_port
()
{
return
getPort
({
port
:
4000
});
}
async
function
write_notifier_config
(
watch
:
boolean
,
port
?:
number
)
{
const
config
=
{
watch
}
as
Record
<
string
,
boolean
|
number
>
;
if
(
port
)
{
config
.
port
=
port
;
}
await
fs
.
writeFile
(
target_locreq
.
resolve
(
"public/dist/notifier.json"
),
JSON
.
stringify
(
config
)
);
}
const
package_json_shape
=
{
sealgen
:
predicates
.
maybe
(
predicates
.
shape
({
styleDirs
:
predicates
.
maybe
(
predicates
.
array
(
predicates
.
string
)),
controllerDirs
:
predicates
.
maybe
(
predicates
.
array
(
predicates
.
string
)
),
copyToPublic
:
predicates
.
maybe
(
predicates
.
array
(
predicates
.
shape
({
from
:
predicates
.
string
,
to
:
predicates
.
string
,
})
)
),
})
),
};
async
function
build
(
watch
:
boolean
)
:
Promise
<
void
>
{
const
project_dir
=
target_locreq
.
resolve
(
""
);
const
package_json
=
JSON
.
parse
(
await
fs
.
readFile
(
resolve
(
project_dir
,
"package.json"
),
"utf-8"
)
)
as
Record
<
string
,
unknown
>
;
if
(
!
hasShape
(
package_json_shape
,
package_json
))
{
throw
new
Error
(
"Misshaped package.json props"
);
}
const
style_dirs
=
package_json
.
sealgen
?
.
styleDirs
||
[];
const
controller_dirs
=
package_json
.
sealgen
?
.
controllerDirs
||
[];
const
copy_to_public
=
package_json
.
sealgen
?
.
copyToPublic
||
[];
await
Promise
.
all
(
copy_to_public
.
map
(
async
({
from
,
to
})
=>
{
try
{
await
fs
.
stat
(
resolve
(
project_dir
,
"public"
,
to
));
}
catch
(
e
)
{
await
fs
.
mkdir
(
resolve
(
project_dir
,
"public"
,
to
,
"../"
),
{
recursive
:
true
,
});
await
fs
.
symlink
(
resolve
(
project_dir
,
from
),
resolve
(
project_dir
,
"public"
,
to
)
);
}
})
);
const
fonts_builder
=
new
FontsBuilder
(
project_dir
,
style_dirs
);
const
backend_ts_builder
=
new
BackendTSBuilder
(
project_dir
,
style_dirs
);
const
frontend_ts_builder
=
new
FrontendTSBuilder
(
project_dir
,
style_dirs
,
controller_dirs
);
const
css_builder
=
new
CSSBuilder
(
project_dir
,
style_dirs
);
const
builders
=
[
fonts_builder
,
backend_ts_builder
,
css_builder
,
frontend_ts_builder
,
];
await
Promise
.
all
(
builders
.
map
((
b
)
=>
b
.
build
()));
if
(
watch
)
{
const
watcher
=
chokidar
.
watch
(
"src"
,
{
ignoreInitial
:
true
});
const
port
=
await
get_notifier_port
();
const
notifier
=
make_notifier
(
port
);
await
write_notifier_config
(
watch
,
port
);
watcher
.
on
(
"all"
,
(
_
,
file_path
)
=>
{
console
.
log
(
"Detected a change!"
,
file_path
);
builders
.
forEach
((
builder
)
=>
{
const
owns_a_file
=
builder
.
ownsFile
(
file_path
);
if
(
owns_a_file
)
{
void
builder
.
build
(
notifier
);
}
});
});
}
else
{
await
write_notifier_config
(
watch
);
builders
.
forEach
((
builder
)
=>
{
void
builder
.
dispose
();
});
}
}
export
async
function
buildProject
({
watch
,
}
:
{
watch
:
boolean
;
})
:
Promise
<
void
>
{
try
{
await
build
(
watch
);
}
catch
(
e
)
{
console
.
log
(
"CAUGHT!"
);
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
console
.
error
(
e
.
message
);
if
(
!
watch
)
{
process
.
exit
(
1
);
}
}
}
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