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TypeScript/scripts/authors.ts at variadicPromiseAll · copyleftdev/TypeScript · GitHub
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authors.ts
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import
fs
=
require
(
"fs"
)
;
import
path
=
require
(
"path"
)
;
import
childProcess
=
require
(
"child_process"
)
;
interface
Author
{
displayNames
:
string
[
]
;
preferredName
?:
string
;
emails
:
string
[
]
;
}
interface
AuthorMap
{
[
s
:
string
]
:
Author
}
interface
Command
{
(
...
arg
:
string
[
]
)
:
void
;
description
?:
string
;
}
const
mailMapPath
=
path
.
resolve
(
__dirname
,
"../.mailmap"
)
;
const
authorsPath
=
path
.
resolve
(
__dirname
,
"../AUTHORS.md"
)
;
function
getKnownAuthors
(
)
:
Author
[
]
{
const
segmentRegExp
=
/
\s
?
(
[
^
<
]
+
)
\s
+
<
(
[
^
>
]
+
)
>
/
g
;
const
preferredNameRegeExp
=
/
\s
?
#
\s
?
(
[
^
#
]
+
)
$
/
;
const
knownAuthors
:
Author
[
]
=
[
]
;
if
(
!
fs
.
existsSync
(
mailMapPath
)
)
{
throw
new
Error
(
`Could not load known users form .mailmap file at:
${
mailMapPath
}
`
)
;
}
const
mailMap
=
fs
.
readFileSync
(
mailMapPath
)
.
toString
(
)
;
for
(
const
line
of
mailMap
.
split
(
"\r\n"
)
)
{
const
author
:
Author
=
{
displayNames
:
[
]
,
emails
:
[
]
}
;
let
match
:
RegExpMatchArray
|
null
;
while
(
match
=
segmentRegExp
.
exec
(
line
)
)
{
author
.
displayNames
.
push
(
match
[
1
]
)
;
author
.
emails
.
push
(
match
[
2
]
)
;
}
if
(
match
=
preferredNameRegeExp
.
exec
(
line
)
)
{
author
.
preferredName
=
match
[
1
]
;
}
if
(
!
author
.
emails
)
continue
;
knownAuthors
.
push
(
author
)
;
if
(
line
.
indexOf
(
"#"
)
>
0
&&
!
author
.
preferredName
)
{
throw
new
Error
(
"Could not match preferred name for: "
+
line
)
;
}
// console.log("===> line: " + line);
// console.log(JSON.stringify(author, undefined, 2));
}
return
knownAuthors
;
}
function
getAuthorName
(
author
:
Author
)
{
return
author
.
preferredName
||
author
.
displayNames
[
0
]
;
}
function
getKnownAuthorMaps
(
)
{
const
knownAuthors
=
getKnownAuthors
(
)
;
const
authorsByName
:
AuthorMap
=
{
}
;
const
authorsByEmail
:
AuthorMap
=
{
}
;
knownAuthors
.
forEach
(
author
=>
{
author
.
displayNames
.
forEach
(
n
=>
authorsByName
[
n
]
=
author
)
;
author
.
emails
.
forEach
(
e
=>
authorsByEmail
[
e
.
toLocaleLowerCase
(
)
]
=
author
)
;
}
)
;
return
{
knownAuthors
,
authorsByName
,
authorsByEmail
}
;
}
function
deduplicate
<
T
>
(
array
:
T
[
]
)
:
T
[
]
{
const
result
:
T
[
]
=
[
]
;
if
(
array
)
{
for
(
const
item
of
array
)
{
if
(
result
.
indexOf
(
item
)
<
0
)
{
result
.
push
(
item
)
;
}
}
}
return
result
;
}
function
log
(
s
:
string
)
{
console
.
log
(
`
${
s
}
`
)
;
}
function
sortAuthors
(
a
:
string
,
b
:
string
)
{
if
(
a
.
charAt
(
0
)
===
"@"
)
a
=
a
.
substr
(
1
)
;
if
(
b
.
charAt
(
0
)
===
"@"
)
b
=
b
.
substr
(
1
)
;
if
(
a
.
toLocaleLowerCase
(
)
<
b
.
toLocaleLowerCase
(
)
)
{
return
-
1
;
}
else
{
return
1
;
}
}
namespace
Commands
{
export
const
writeAuthors
:
Command
=
(
)
=>
{
const
output
=
deduplicate
(
getKnownAuthors
(
)
.
map
(
getAuthorName
)
.
filter
(
a
=>
!
!
a
)
)
.
sort
(
sortAuthors
)
.
join
(
"\r\n* "
)
;
fs
.
writeFileSync
(
authorsPath
,
"TypeScript is authored by:\r\n* "
+
output
)
;
}
;
writeAuthors
.
description
=
"Write known authors to AUTHORS.md file."
;
export
const
listKnownAuthors
:
Command
=
(
)
=>
{
deduplicate
(
getKnownAuthors
(
)
.
map
(
getAuthorName
)
)
.
filter
(
a
=>
!
!
a
)
.
sort
(
sortAuthors
)
.
forEach
(
log
)
;
}
;
listKnownAuthors
.
description
=
"List known authors as listed in .mailmap file."
;
export
const
listAuthors
:
Command
=
(
...
specs
:
string
[
]
)
=>
{
const
cmd
=
"git shortlog -se "
+
specs
.
join
(
" "
)
;
console
.
log
(
cmd
)
;
const
outputRegExp
=
/
\d
+
\s
+
(
[
^
<
]
+
)
<
(
[
^
>
]
+
)
>
/
;
const
authors
:
{
name
:
string
,
email
:
string
,
knownAuthor
?:
Author
}
[
]
=
[
]
;
const
{
output
:
[
error
,
stdout
,
stderr
]
}
=
childProcess
.
spawnSync
(
`git`
,
[
"shortlog"
,
"-se"
,
...
specs
]
,
{
cwd
:
path
.
resolve
(
__dirname
,
"../"
)
}
)
;
if
(
error
)
{
console
.
log
(
stderr
.
toString
(
)
)
;
}
else
{
const
output
=
stdout
.
toString
(
)
;
const
lines
=
output
.
split
(
"\n"
)
;
lines
.
forEach
(
line
=>
{
if
(
line
)
{
let
match
:
RegExpExecArray
|
null
;
if
(
match
=
outputRegExp
.
exec
(
line
)
)
{
authors
.
push
(
{
name
:
match
[
1
]
,
email
:
match
[
2
]
}
)
;
}
else
{
throw
new
Error
(
"Could not parse output: "
+
line
)
;
}
}
}
)
;
const
maps
=
getKnownAuthorMaps
(
)
;
const
lookupAuthor
=
(
{
name
,
email
}
:
{
name
:
string
,
email
:
string
}
)
=>
{
return
maps
.
authorsByEmail
[
email
.
toLocaleLowerCase
(
)
]
||
maps
.
authorsByName
[
name
]
;
}
;
const
knownAuthors
=
authors
.
map
(
lookupAuthor
)
.
filter
(
a
=>
!
!
a
)
.
map
(
getAuthorName
)
;
const
unknownAuthors
=
authors
.
filter
(
a
=>
!
lookupAuthor
(
a
)
)
.
map
(
a
=>
`
${
a
.
name
}
<
${
a
.
email
}
>`
)
;
if
(
knownAuthors
.
length
)
{
console
.
log
(
"\r\n"
)
;
console
.
log
(
"Found known authors: "
)
;
console
.
log
(
"====================="
)
;
deduplicate
(
knownAuthors
)
.
sort
(
sortAuthors
)
.
forEach
(
log
)
;
}
if
(
unknownAuthors
.
length
)
{
console
.
log
(
"\r\n"
)
;
console
.
log
(
"Found unknown authors: "
)
;
console
.
log
(
"====================="
)
;
deduplicate
(
unknownAuthors
)
.
sort
(
sortAuthors
)
.
forEach
(
log
)
;
}
const
allAuthors
=
deduplicate
(
[
...
knownAuthors
,
...
unknownAuthors
]
.
map
(
a
=>
a
.
split
(
"<"
)
[
0
]
.
trim
(
)
)
)
.
sort
(
sortAuthors
)
;
if
(
allAuthors
.
length
)
{
console
.
log
(
"\r\n"
)
;
console
.
log
(
"Revised Authors.md: "
)
;
console
.
log
(
"====================="
)
;
allAuthors
.
forEach
(
name
=>
console
.
log
(
" - "
+
name
)
)
;
}
}
}
;
listAuthors
.
description
=
"List known and unknown authors for a given spec, e.g. 'node authors.js listAuthors origin/release-2.6..origin/release-2.7'"
;
}
const
args
=
process
.
argv
.
slice
(
2
)
;
if
(
args
.
length
<
1
)
{
console
.
log
(
"Usage: node authors.js [command]"
)
;
console
.
log
(
"List of commands: "
)
;
Object
.
keys
(
Commands
)
.
forEach
(
k
=>
console
.
log
(
`
${
k
}
:
${
(
Commands
as
any
)
[
k
]
.
description
}
`
)
)
;
}
else
{
const
cmd
:
Function
=
(
Commands
as
any
)
[
args
[
0
]
]
;
if
(
cmd
===
undefined
)
{
console
.
log
(
"Unknown command "
+
args
[
1
]
)
;
}
else
{
cmd
.
apply
(
undefined
,
args
.
slice
(
1
)
)
;
}
}
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