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Add support for loading RData files #11366

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91df1d2
initial impl
jmcphers Jan 12, 2026
d0c2558
add icons
jmcphers Jan 12, 2026
806bb8b
actually this custom editor is not that useful
jmcphers Jan 12, 2026
c78d6da
higher contrast dark icon
jmcphers Jan 12, 2026
0b8f10e
os level associations and custom editor workaround
jmcphers Jan 13, 2026
b818715
activate for custom editors
jmcphers Jan 13, 2026
f48c971
actually these are automatically generated
jmcphers Jan 13, 2026
fa6fa1d
let's try onLanguage
jmcphers Jan 13, 2026
96f08ff
need to wait for runtimes to be registered
jmcphers Jan 13, 2026
fe78530
add a command to the palette
jmcphers Jan 13, 2026
0acecab
reduce duplication
jmcphers Jan 13, 2026
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1 change: 1 addition & 0 deletions build/lib/electron.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -172,6 +172,7 @@ export const config = {
'Xcode workspace file': 'xcworkspace',
'Visual Basic script': 'vb',
'R source code': 'r',
'R Data file': ['rdata', 'RData', 'rda'],
'Rust source code': 'rs',
'Restructured Text document': 'rst',
'LaTeX document': ['tex', 'cls'],
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24 changes: 24 additions & 0 deletions build/win32/positron.iss
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Expand Up @@ -402,6 +402,30 @@ Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rprof
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rprofile\shell\open"; ValueType: string; ValueName: "Icon"; ValueData: """{app}\{#ExeBasename}.exe"""; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rprofile\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles

Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.rdata\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.rdata\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.rdata"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rdata"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,R Data}"; Flags: uninsdeletekey; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rdata"; ValueType: string; ValueName: "AppUserModelID"; ValueData: "{#AppUserId}"; Flags: uninsdeletekey; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rdata\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\resources\app\resources\win32\default.ico"; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rdata\shell\open"; ValueType: string; ValueName: "Icon"; ValueData: """{app}\{#ExeBasename}.exe"""; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rdata\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles

Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.RData\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.RData\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.RData"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.RData"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,R Data}"; Flags: uninsdeletekey; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.RData"; ValueType: string; ValueName: "AppUserModelID"; ValueData: "{#AppUserId}"; Flags: uninsdeletekey; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.RData\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\resources\app\resources\win32\default.ico"; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.RData\shell\open"; ValueType: string; ValueName: "Icon"; ValueData: """{app}\{#ExeBasename}.exe"""; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.RData\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles

Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.rda\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.rda\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.rda"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rda"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,R Data}"; Flags: uninsdeletekey; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rda"; ValueType: string; ValueName: "AppUserModelID"; ValueData: "{#AppUserId}"; Flags: uninsdeletekey; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rda\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\resources\app\resources\win32\default.ico"; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rda\shell\open"; ValueType: string; ValueName: "Icon"; ValueData: """{app}\{#ExeBasename}.exe"""; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.rda\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles

Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.sass\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.sass\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.sass"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.sass"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,Sass}"; Flags: uninsdeletekey; Tasks: associatewithfiles
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111 changes: 110 additions & 1 deletion extensions/positron-r/package.json
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Expand Up @@ -22,7 +22,9 @@
},
"icon": "icon.png",
"activationEvents": [
"onStartupFinished"
"onStartupFinished",
"onLanguage:rdata",
"onLanguage:rds"
],
"contributes": {
"commands": [
Expand Down Expand Up @@ -145,6 +147,21 @@
"command": "r.interpreters.settingsInfo",
"category": "R",
"title": "%r.command.interpreters.settingsInfo.title%"
},
{
"command": "r.loadRDataFile",
"category": "R",
"title": "%r.command.loadRDataFile.title%"
},
{
"command": "r.loadRdsFile",
"category": "R",
"title": "%r.command.loadRdsFile.title%"
},
{
"command": "r.loadRDataFileWithPicker",
"category": "R",
"title": "%r.command.loadRDataFileWithPicker.title%"
}
],
"configuration": [
Expand Down Expand Up @@ -444,6 +461,38 @@
".Rd"
],
"configuration": "./language-configuration/r-docs-language-configuration.json"
},
{
"id": "rdata",
"aliases": [
"R Data",
"RData"
],
"extensions": [
".RData",
".Rdata",
".rdata",
".rda"
],
"icon": {
"light": "./resources/icons/r-data-light.svg",
"dark": "./resources/icons/r-data-dark.svg"
}
},
{
"id": "rds",
"aliases": [
"R Data Single",
"RDS"
],
"extensions": [
".rds",
".RDS"
],
"icon": {
"light": "./resources/icons/r-data-light.svg",
"dark": "./resources/icons/r-data-dark.svg"
}
}
],
"grammars": [
Expand Down Expand Up @@ -535,6 +584,18 @@
}
],
"menus": {
"explorer/context": [
{
"command": "r.loadRDataFile",
"group": "R",
"when": "resourceExtname == '.RData' || resourceExtname == '.Rdata' || resourceExtname == '.rdata' || resourceExtname == '.rda'"
},
{
"command": "r.loadRdsFile",
"group": "R",
"when": "resourceExtname == '.rds' || resourceExtname == '.RDS'"
}
],
"commandPalette": [
{
"category": "R",
Expand Down Expand Up @@ -611,6 +672,20 @@
"category": "R",
"command": "r.packageCheck",
"when": "isRPackage"
},
{
"category": "R",
"command": "r.loadRDataFile",
"when": "resourceExtname == '.RData' || resourceExtname == '.rdata' || resourceExtname == '.rda'"
},
{
"category": "R",
"command": "r.loadRdsFile",
"when": "resourceExtname == '.rds' || resourceExtname == '.RDS'"
},
{
"category": "R",
"command": "r.loadRDataFileWithPicker"
}
],
"file/newFile": [
Expand Down Expand Up @@ -708,6 +783,40 @@
"supportsUiLaunch": false
}
],
"customEditors": [
{
"viewType": "positron-r.rdataLoader",
"displayName": "%r.customEditor.rdataLoader.displayName%",
"priority": "default",
"selector": [
{
"filenamePattern": "*.RData"
},
{
"filenamePattern": "*.Rdata"
},
{
"filenamePattern": "*.rdata"
},
{
"filenamePattern": "*.rda"
}
]
},
{
"viewType": "positron-r.rdsLoader",
"displayName": "%r.customEditor.rdsLoader.displayName%",
"priority": "default",
"selector": [
{
"filenamePattern": "*.rds"
},
{
"filenamePattern": "*.RDS"
}
]
}
],
"notebookRenderer": [
{
"id": "positron.r.htmlwidget",
Expand Down
8 changes: 6 additions & 2 deletions extensions/positron-r/package.nls.json
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Expand Up @@ -20,6 +20,11 @@
"r.command.selectInterpreter.title": "Select Interpreter",
"r.command.rmarkdownRender.title": "Render Document With R Markdown",
"r.command.interpreters.settingsInfo.title": "Print interpreter settings information to Output",
"r.command.loadRDataFile.title": "Load R Objects",
"r.command.loadRdsFile.title": "Load R Object",
"r.command.loadRDataFileWithPicker.title": "Load R Data File...",
"r.customEditor.rdataLoader.displayName": "R Workspace Loader",
"r.customEditor.rdsLoader.displayName": "R Object Loader",
"r.menu.createNewFile.title": "R File",
"r.menu.insertPipe.title": "Insert the pipe operator",
"r.menu.insertLeftAssignment.title": "Insert the \"<-\" assignment operator",
Expand Down Expand Up @@ -86,6 +91,5 @@
"r.walkthrough.migrateFromRStudio.workspaces.description": " \n[Open an existing folder](command:workbench.action.files.openFolder)",
"r.walkthrough.migrateFromRStudio.formatting.title": "Formatting your R code",
"r.walkthrough.migrateFromRStudio.formatting.description": " \n[Configure Air to format on save](command:r.walkthrough.formatOnSave)",
"r.welcome.views.debugger.content": "Positron currently provides limited debugging support for R code, but you can use R's native debugging features in Positron.\n[Learn more](https://positron.posit.co/guide-r.html#debugging)"

"r.welcome.views.debugger.content": "Positron currently provides limited debugging support for R code, but you can use R's native debugging features in Positron.\n[Learn more](https://positron.posit.co/guide-r.html#debugging)"
}
45 changes: 45 additions & 0 deletions extensions/positron-r/resources/icons/r-data-dark.svg
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45 changes: 45 additions & 0 deletions extensions/positron-r/resources/icons/r-data-light.svg
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