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TypeScript/scripts/createPlaygroundBuild.js at main · zarov/TypeScript · GitHub
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/* eslint-disable */
//
@ts
-check
/** Run via:
node scripts/createPlaygroundBuild.js
*/
// This script does two things:
//
// - Listens to changes to the built version of TypeScript (via a filewatcher on `built/local/typescriptServices.js`)
// these trigger creating monaco-typescript compatible builds of TypeScript at `internal/lib/typescriptServices.js§
//
// - Creates a HTTP server which the playground uses. The webserver almost exclusively re-directs requests to
// the latest stable version of monaco-typescript, but specifically overrides requests for the TypeScript js
// file to the version created in the above step.
//
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
const
path
=
require
(
'path'
)
;
const
fs
=
require
(
'fs'
)
;
const
child_process
=
require
(
'child_process'
)
;
const
http
=
require
(
'http'
)
;
const
url
=
require
(
'url'
)
;
const
nodeFetch
=
require
(
"node-fetch"
)
.
default
function
updateTSDist
(
)
{
// This code is a direct port of a script from monaco-typescript
// https://github.com/microsoft/monaco-typescript/blob/master/scripts/importTypescript.js
// Currently based on cc8da6b on June 6 2021
const
generatedNote
=
`//
// **NOTE**: Do not edit directly! This file is generated using \`npm run import-typescript\`
//
`
;
const
TYPESCRIPT_LIB_SOURCE
=
path
.
join
(
__dirname
,
'../built/local'
)
;
const
TYPESCRIPT_LIB_DESTINATION
=
path
.
join
(
__dirname
,
'../internal/lib'
)
;
(
function
(
)
{
try
{
fs
.
statSync
(
TYPESCRIPT_LIB_DESTINATION
)
;
}
catch
(
err
)
{
fs
.
mkdirSync
(
TYPESCRIPT_LIB_DESTINATION
)
;
}
importLibs
(
)
;
const
npmLsOutput
=
JSON
.
parse
(
child_process
.
execSync
(
'npm ls typescript --depth=0 --json=true'
)
.
toString
(
)
)
;
const
typeScriptDependencyVersion
=
npmLsOutput
.
version
;
fs
.
writeFileSync
(
path
.
join
(
TYPESCRIPT_LIB_DESTINATION
,
'typescriptServicesMetadata.ts'
)
,
`
${
generatedNote
}
export const typescriptVersion = "
${
typeScriptDependencyVersion
}
";\n`
)
;
let
tsServices
=
fs
.
readFileSync
(
path
.
join
(
TYPESCRIPT_LIB_SOURCE
,
'typescriptServices.js'
)
)
.
toString
(
)
;
// Ensure we never run into the node system...
// (this also removes require calls that trick webpack into shimming those modules...)
tsServices
=
tsServices
.
replace
(
/
\n
t
s
\.
s
y
s
=
(
[
^
]
*
)
\n
\}
\)
\(
\)
;
/
m
,
`\n // MONACOCHANGE\n ts.sys = undefined;\n // END MONACOCHANGE`
)
;
// Eliminate more require() calls...
tsServices
=
tsServices
.
replace
(
/
^
(
+
)
e
t
w
M
o
d
u
l
e
=
r
e
q
u
i
r
e
\(
.
*
$
/
m
,
'$1// MONACOCHANGE\n$1etwModule = undefined;\n$1// END MONACOCHANGE'
)
;
tsServices
=
tsServices
.
replace
(
/
^
(
+
)
v
a
r
r
e
s
u
l
t
=
t
s
\.
s
y
s
\.
r
e
q
u
i
r
e
\(
.
*
$
/
m
,
'$1// MONACOCHANGE\n$1var result = undefined;\n$1// END MONACOCHANGE'
)
;
tsServices
=
tsServices
.
replace
(
/
^
(
+
)
f
s
=
r
e
q
u
i
r
e
\(
"
f
s
"
\)
;
$
/
m
,
'$1// MONACOCHANGE\n$1fs = undefined;\n$1// END MONACOCHANGE'
)
;
tsServices
=
tsServices
.
replace
(
/
^
(
+
)
d
e
b
u
g
g
e
r
;
$
/
m
,
'$1// MONACOCHANGE\n$1// debugger;\n$1// END MONACOCHANGE'
)
;
tsServices
=
tsServices
.
replace
(
/
=
r
e
q
u
i
r
e
\(
"
p
e
r
f
_
h
o
o
k
s
"
\)
/
m
,
'/* MONACOCHANGE */= {}/* END MONACOCHANGE */'
)
;
// Flag any new require calls (outside comments) so they can be corrected preemptively.
// To avoid missing cases (or using an even more complex regex), temporarily remove comments
// about require() and then check for lines actually calling require().
// \/[*/] matches the start of a comment (single or multi-line).
// ^\s+\*[^/] matches (presumably) a later line of a multi-line comment.
const
tsServicesNoCommentedRequire
=
tsServices
.
replace
(
/
(
\/
[
*
/
]
|
^
\s
+
\*
[
^
/
]
)
.
*
\b
r
e
q
u
i
r
e
\(
.
*
/
gm
,
''
)
;
const
linesWithRequire
=
tsServicesNoCommentedRequire
.
match
(
/
^
.
*
?
\b
r
e
q
u
i
r
e
\(
.
*
$
/
gm
)
;
// Allow error messages to include references to require() in their strings
const
runtimeRequires
=
linesWithRequire
&&
linesWithRequire
.
filter
(
(
l
)
=>
!
l
.
includes
(
': diag('
)
&&
!
l
.
includes
(
'ts.DiagnosticCategory'
)
)
;
if
(
runtimeRequires
&&
runtimeRequires
.
length
&&
linesWithRequire
)
{
console
.
error
(
'Found new require() calls on the following lines. These should be removed to avoid breaking webpack builds.\n'
)
;
console
.
error
(
runtimeRequires
.
map
(
(
r
)
=>
`
${
r
}
(
${
tsServicesNoCommentedRequire
.
indexOf
(
r
)
}
)`
)
.
join
(
'\n'
)
)
;
process
.
exit
(
1
)
;
}
const
tsServices_amd
=
generatedNote
+
tsServices
+
`
// MONACOCHANGE
// Defining the entire module name because r.js has an issue and cannot bundle this file
// correctly with an anonymous define call
define("vs/language/typescript/lib/typescriptServices", [], function() { return ts; });
// END MONACOCHANGE
`
;
fs
.
writeFileSync
(
path
.
join
(
TYPESCRIPT_LIB_DESTINATION
,
'typescriptServices-amd.js'
)
,
stripSourceMaps
(
tsServices_amd
)
)
;
const
tsServices_esm
=
generatedNote
+
tsServices
+
`
// MONACOCHANGE
export var createClassifier = ts.createClassifier;
export var createLanguageService = ts.createLanguageService;
export var displayPartsToString = ts.displayPartsToString;
export var EndOfLineState = ts.EndOfLineState;
export var flattenDiagnosticMessageText = ts.flattenDiagnosticMessageText;
export var IndentStyle = ts.IndentStyle;
export var ScriptKind = ts.ScriptKind;
export var ScriptTarget = ts.ScriptTarget;
export var TokenClass = ts.TokenClass;
// END MONACOCHANGE
`
;
fs
.
writeFileSync
(
path
.
join
(
TYPESCRIPT_LIB_DESTINATION
,
'typescriptServices.js'
)
,
stripSourceMaps
(
tsServices_esm
)
)
;
let
dtsServices
=
fs
.
readFileSync
(
path
.
join
(
TYPESCRIPT_LIB_SOURCE
,
'typescriptServices.d.ts'
)
)
.
toString
(
)
;
dtsServices
+=
`
// MONACOCHANGE
export = ts;
// END MONACOCHANGE
`
;
fs
.
writeFileSync
(
path
.
join
(
TYPESCRIPT_LIB_DESTINATION
,
'typescriptServices.d.ts'
)
,
generatedNote
+
dtsServices
)
;
}
)
(
)
;
function
importLibs
(
)
{
function
readLibFile
(
name
)
{
const
srcPath
=
path
.
join
(
TYPESCRIPT_LIB_SOURCE
,
name
)
;
return
fs
.
readFileSync
(
srcPath
)
.
toString
(
)
;
}
let
strLibResult
=
`/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
${
generatedNote
}
/** Contains all the lib files */
export const libFileMap: Record<string, string> = {}
`
;
let
strIndexResult
=
`/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
${
generatedNote
}
/** Contains all the lib files */
export const libFileSet: Record<string, boolean> = {}
`
;
const
dtsFiles
=
fs
.
readdirSync
(
TYPESCRIPT_LIB_SOURCE
)
.
filter
(
(
f
)
=>
f
.
includes
(
'lib.'
)
)
;
while
(
dtsFiles
.
length
>
0
)
{
const
name
=
dtsFiles
.
shift
(
)
;
const
output
=
readLibFile
(
name
)
.
replace
(
/
\r
\n
/
g
,
'\n'
)
;
strLibResult
+=
`libFileMap['
${
name
}
'] = "
${
escapeText
(
output
)
}
";\n`
;
strIndexResult
+=
`libFileSet['
${
name
}
'] = true;\n`
;
}
fs
.
writeFileSync
(
path
.
join
(
TYPESCRIPT_LIB_DESTINATION
,
'lib.ts'
)
,
strLibResult
)
;
fs
.
writeFileSync
(
path
.
join
(
TYPESCRIPT_LIB_DESTINATION
,
'lib.index.ts'
)
,
strIndexResult
)
;
}
/**
* Escape text such that it can be used in a javascript string enclosed by double quotes (")
*/
function
escapeText
(
text
)
{
// See http://www.javascriptkit.com/jsref/escapesequence.shtml
const
_backspace
=
'\b'
.
charCodeAt
(
0
)
;
const
_formFeed
=
'\f'
.
charCodeAt
(
0
)
;
const
_newLine
=
'\n'
.
charCodeAt
(
0
)
;
const
_nullChar
=
0
;
const
_carriageReturn
=
'\r'
.
charCodeAt
(
0
)
;
const
_tab
=
'\t'
.
charCodeAt
(
0
)
;
const
_verticalTab
=
'\v'
.
charCodeAt
(
0
)
;
const
_backslash
=
'\\'
.
charCodeAt
(
0
)
;
const
_doubleQuote
=
'"'
.
charCodeAt
(
0
)
;
const
len
=
text
.
length
;
let
startPos
=
0
;
let
chrCode
;
let
replaceWith
=
null
;
let
resultPieces
=
[
]
;
for
(
let
i
=
0
;
i
<
len
;
i
++
)
{
chrCode
=
text
.
charCodeAt
(
i
)
;
switch
(
chrCode
)
{
case
_backspace
:
replaceWith
=
'\\b'
;
break
;
case
_formFeed
:
replaceWith
=
'\\f'
;
break
;
case
_newLine
:
replaceWith
=
'\\n'
;
break
;
case
_nullChar
:
replaceWith
=
'\\0'
;
break
;
case
_carriageReturn
:
replaceWith
=
'\\r'
;
break
;
case
_tab
:
replaceWith
=
'\\t'
;
break
;
case
_verticalTab
:
replaceWith
=
'\\v'
;
break
;
case
_backslash
:
replaceWith
=
'\\\\'
;
break
;
case
_doubleQuote
:
replaceWith
=
'\\"'
;
break
;
}
if
(
replaceWith
!==
null
)
{
resultPieces
.
push
(
text
.
substring
(
startPos
,
i
)
)
;
resultPieces
.
push
(
replaceWith
)
;
startPos
=
i
+
1
;
replaceWith
=
null
;
}
}
resultPieces
.
push
(
text
.
substring
(
startPos
,
len
)
)
;
return
resultPieces
.
join
(
''
)
;
}
function
stripSourceMaps
(
str
)
{
return
str
.
replace
(
/
\/
\/
#
s
o
u
r
c
e
M
a
p
p
i
n
g
U
R
L
[
^
\n
]
+
/
gm
,
''
)
;
}
/// End of import
}
const
services
=
path
.
join
(
__dirname
,
'../built/local/typescriptServices.js'
)
;
fs
.
watchFile
(
services
,
(
)
=>
{
console
.
log
(
"Updating the monaco build"
)
updateTSDist
(
)
}
)
// We need to re-direct non TSC JS requests back to a real copy of
// monaco, so grab the list of official releases from the TS CDN
// and use the latest stable release, as that is most likely the
// closest version to your dev build
let
latestStable
=
"4.3.2"
nodeFetch
(
'https://typescript.azureedge.net/indexes/releases.json'
)
.
then
(
req
=>
req
.
json
(
)
)
.
then
(
releases
=>
{
latestStable
=
releases
.
versions
.
pop
(
)
}
)
;
http
.
createServer
(
function
(
req
,
res
)
{
res
.
setHeader
(
"Access-Control-Allow-Origin"
,
"*"
)
const
incoming
=
url
.
parse
(
req
.
url
)
if
(
incoming
.
path
.
endsWith
(
"typescriptServices.js"
)
)
{
// Use the built version
res
.
writeHead
(
200
,
{
"Content-Type"
:
"text/javascript"
}
)
;
const
amdPath
=
path
.
join
(
__dirname
,
'../internal/lib/typescriptServices-amd.js'
)
;
res
.
write
(
fs
.
readFileSync
(
amdPath
)
)
}
else
{
// Redirect to the TS CDN
res
.
writeHead
(
302
,
{
'Location'
:
`https://typescript.azureedge.net/cdn/
${
latestStable
}
/monaco
${
incoming
.
path
}
`
}
)
;
}
res
.
end
(
)
;
}
)
.
listen
(
5615
)
;
console
.
log
(
"Starting servers\n"
)
console
.
log
(
" - [✓] file watcher: "
+
services
)
updateTSDist
(
)
console
.
log
(
" - [✓] http server: http://localhost:5615"
)
console
.
log
(
"\n\nGet started: http://www.staging-typescript.org/play?ts=dev"
)
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