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interpolate.js
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Created
Thu, Aug 15, 06:18
Size
6 KB
Mime Type
text/x-c++
Expires
Sat, Aug 17, 06:18 (1 d, 21 h)
Engine
blob
Format
Raw Data
Handle
19887832
Attached To
rOACCT Open Access Compliance Check Tool (OACCT)
interpolate.js
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'use strict'
;
const
colors
=
require
(
'ansi-colors'
);
const
clean
=
(
str
=
''
)
=>
{
return
typeof
str
===
'string'
?
str
.
replace
(
/^['"]|['"]$/g
,
''
)
:
''
;
};
/**
* This file contains the interpolation and rendering logic for
* the Snippet prompt.
*/
class
Item
{
constructor
(
token
)
{
this
.
name
=
token
.
key
;
this
.
field
=
token
.
field
||
{};
this
.
value
=
clean
(
token
.
initial
||
this
.
field
.
initial
||
''
);
this
.
message
=
token
.
message
||
this
.
name
;
this
.
cursor
=
0
;
this
.
input
=
''
;
this
.
lines
=
[];
}
}
const
tokenize
=
async
(
options
=
{},
defaults
=
{},
fn
=
token
=>
token
)
=>
{
let
unique
=
new
Set
();
let
fields
=
options
.
fields
||
[];
let
input
=
options
.
template
;
let
tabstops
=
[];
let
items
=
[];
let
keys
=
[];
let
line
=
1
;
if
(
typeof
input
===
'function'
)
{
input
=
await
input
();
}
let
i
=
-
1
;
let
next
=
()
=>
input
[
++
i
];
let
peek
=
()
=>
input
[
i
+
1
];
let
push
=
token
=>
{
token
.
line
=
line
;
tabstops
.
push
(
token
);
};
push
({
type
:
'bos'
,
value
:
''
});
while
(
i
<
input
.
length
-
1
)
{
let
value
=
next
();
if
(
/^[^\S\n ]$/
.
test
(
value
))
{
push
({
type
:
'text'
,
value
});
continue
;
}
if
(
value
===
'\n'
)
{
push
({
type
:
'newline'
,
value
});
line
++
;
continue
;
}
if
(
value
===
'\\'
)
{
value
+=
next
();
push
({
type
:
'text'
,
value
});
continue
;
}
if
((
value
===
'$'
||
value
===
'#'
||
value
===
'{'
)
&&
peek
()
===
'{'
)
{
let
n
=
next
();
value
+=
n
;
let
token
=
{
type
:
'template'
,
open
:
value
,
inner
:
''
,
close
:
''
,
value
};
let
ch
;
while
((
ch
=
next
()))
{
if
(
ch
===
'}'
)
{
if
(
peek
()
===
'}'
)
ch
+=
next
();
token
.
value
+=
ch
;
token
.
close
=
ch
;
break
;
}
if
(
ch
===
':'
)
{
token
.
initial
=
''
;
token
.
key
=
token
.
inner
;
}
else
if
(
token
.
initial
!==
void
0
)
{
token
.
initial
+=
ch
;
}
token
.
value
+=
ch
;
token
.
inner
+=
ch
;
}
token
.
template
=
token
.
open
+
(
token
.
initial
||
token
.
inner
)
+
token
.
close
;
token
.
key
=
token
.
key
||
token
.
inner
;
if
(
defaults
.
hasOwnProperty
(
token
.
key
))
{
token
.
initial
=
defaults
[
token
.
key
];
}
token
=
fn
(
token
);
push
(
token
);
keys
.
push
(
token
.
key
);
unique
.
add
(
token
.
key
);
let
item
=
items
.
find
(
item
=>
item
.
name
===
token
.
key
);
token
.
field
=
fields
.
find
(
ch
=>
ch
.
name
===
token
.
key
);
if
(
!
item
)
{
item
=
new
Item
(
token
);
items
.
push
(
item
);
}
item
.
lines
.
push
(
token
.
line
-
1
);
continue
;
}
let
last
=
tabstops
[
tabstops
.
length
-
1
];
if
(
last
.
type
===
'text'
&&
last
.
line
===
line
)
{
last
.
value
+=
value
;
}
else
{
push
({
type
:
'text'
,
value
});
}
}
push
({
type
:
'eos'
,
value
:
''
});
return
{
input
,
tabstops
,
unique
,
keys
,
items
};
};
module
.
exports
=
async
prompt
=>
{
let
options
=
prompt
.
options
;
let
required
=
new
Set
(
options
.
required
===
true
?
[]
:
(
options
.
required
||
[]));
let
defaults
=
{
...
options
.
values
,
...
options
.
initial
};
let
{
tabstops
,
items
,
keys
}
=
await
tokenize
(
options
,
defaults
);
let
result
=
createFn
(
'result'
,
prompt
,
options
);
let
format
=
createFn
(
'format'
,
prompt
,
options
);
let
isValid
=
createFn
(
'validate'
,
prompt
,
options
,
true
);
let
isVal
=
prompt
.
isValue
.
bind
(
prompt
);
return
async
(
state
=
{},
submitted
=
false
)
=>
{
let
index
=
0
;
state
.
required
=
required
;
state
.
items
=
items
;
state
.
keys
=
keys
;
state
.
output
=
''
;
let
validate
=
async
(
value
,
state
,
item
,
index
)
=>
{
let
error
=
await
isValid
(
value
,
state
,
item
,
index
);
if
(
error
===
false
)
{
return
'Invalid field '
+
item
.
name
;
}
return
error
;
};
for
(
let
token
of
tabstops
)
{
let
value
=
token
.
value
;
let
key
=
token
.
key
;
if
(
token
.
type
!==
'template'
)
{
if
(
value
)
state
.
output
+=
value
;
continue
;
}
if
(
token
.
type
===
'template'
)
{
let
item
=
items
.
find
(
ch
=>
ch
.
name
===
key
);
if
(
options
.
required
===
true
)
{
state
.
required
.
add
(
item
.
name
);
}
let
val
=
[
item
.
input
,
state
.
values
[
item
.
value
],
item
.
value
,
value
].
find
(
isVal
);
let
field
=
item
.
field
||
{};
let
message
=
field
.
message
||
token
.
inner
;
if
(
submitted
)
{
let
error
=
await
validate
(
state
.
values
[
key
],
state
,
item
,
index
);
if
((
error
&&
typeof
error
===
'string'
)
||
error
===
false
)
{
state
.
invalid
.
set
(
key
,
error
);
continue
;
}
state
.
invalid
.
delete
(
key
);
let
res
=
await
result
(
state
.
values
[
key
],
state
,
item
,
index
);
state
.
output
+=
colors
.
unstyle
(
res
);
continue
;
}
item
.
placeholder
=
false
;
let
before
=
value
;
value
=
await
format
(
value
,
state
,
item
,
index
);
if
(
val
!==
value
)
{
state
.
values
[
key
]
=
val
;
value
=
prompt
.
styles
.
typing
(
val
);
state
.
missing
.
delete
(
message
);
}
else
{
state
.
values
[
key
]
=
void
0
;
val
=
`
<
$
{
message
}
>
`
;
value
=
prompt
.
styles
.
primary
(
val
);
item
.
placeholder
=
true
;
if
(
state
.
required
.
has
(
key
))
{
state
.
missing
.
add
(
message
);
}
}
if
(
state
.
missing
.
has
(
message
)
&&
state
.
validating
)
{
value
=
prompt
.
styles
.
warning
(
val
);
}
if
(
state
.
invalid
.
has
(
key
)
&&
state
.
validating
)
{
value
=
prompt
.
styles
.
danger
(
val
);
}
if
(
index
===
state
.
index
)
{
if
(
before
!==
value
)
{
value
=
prompt
.
styles
.
underline
(
value
);
}
else
{
value
=
prompt
.
styles
.
heading
(
colors
.
unstyle
(
value
));
}
}
index
++
;
}
if
(
value
)
{
state
.
output
+=
value
;
}
}
let
lines
=
state
.
output
.
split
(
'\n'
).
map
(
l
=>
' '
+
l
);
let
len
=
items
.
length
;
let
done
=
0
;
for
(
let
item
of
items
)
{
if
(
state
.
invalid
.
has
(
item
.
name
))
{
item
.
lines
.
forEach
(
i
=>
{
if
(
lines
[
i
][
0
]
!==
' '
)
return
;
lines
[
i
]
=
state
.
styles
.
danger
(
state
.
symbols
.
bullet
)
+
lines
[
i
].
slice
(
1
);
});
}
if
(
prompt
.
isValue
(
state
.
values
[
item
.
name
]))
{
done
++
;
}
}
state
.
completed
=
((
done
/
len
)
*
100
).
toFixed
(
0
);
state
.
output
=
lines
.
join
(
'\n'
);
return
state
.
output
;
};
};
function
createFn
(
prop
,
prompt
,
options
,
fallback
)
{
return
(
value
,
state
,
item
,
index
)
=>
{
if
(
typeof
item
.
field
[
prop
]
===
'function'
)
{
return
item
.
field
[
prop
].
call
(
prompt
,
value
,
state
,
item
,
index
);
}
return
[
fallback
,
value
].
find
(
v
=>
prompt
.
isValue
(
v
));
};
}
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