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The Atom IDE UI package has been migrated to a separate package, including the Atom IDE Base. The Atom IDE UI package has been abandoned and some features no longer work. However, the migration is still in progress, so some features of the Atom IDE UI package are still available.

Implementation list of Deno and Atom IDE

	Atom IDE UI	Atom IDE Base	Deno
window/showMessage		○
window/showMessageRequest		○
window/logMessage		Atom-IDE console
telemetry/event	Ignored
workspace/didChangeWatchedFiles	Atom file watch API	maybe ○
textDocument/publishDiagnostics	Linter v2 push/indie	→Linter
textDocument/completion		○	1.6.0
completionItem/resolve		○	?
textDocument/hover		Atom-IDE data tips	○
textDocument/signatureHelp		Atom-IDE signature help	1.7.5
textDocument/definition		Atom-IDE definitions	○
textDocument/findReferences	Atom-IDE findReferences	(looking for contributors)	○
textDocument/documentHighlight		○
textDocument/documentSymbol		Atom-IDE outline view	1.9.1
workspace/symbol	TBD		○
textDocument/codeAction	Atom-IDE code actions	(looking for contributors)	1.7.4: "deno cache"
textDocument/codeLens	TBD		1.7.4: "implementations", 1.7.2: "references"
textDocument/formatting	Format File command (dosen't work because error)		○
textDocument/rangeFormatting	Format Selection command (dosen't work because error)
textDocument/onTypeFormatting	Atom-IDE on type formatting	(looking for contributors)
textDocument/onSaveFormatting	Atom-IDE on save formatting	(looking for contributors)
textDocument/rename	TBD		1.6.3
textDocument/didChange		○	○
textDocument/didOpen		○	○
textDocument/didSave		○
textDocument/willSave		○
textDocument/didClose		○
textDocument/callHierarchy		(looking for contributors)	1.9.1
textDocument/semanticTokens/full		(looking for contributors)	1.9.1
textDocument/foldingRange		(looking for contributors)	1.9.0
textDocument/selectionRange		(looking for contributors)	1.8.3
textDocument/implementation		(looking for contributors)	1.7.0
Workspace Folders		(looking for contributors)
DeclarationProvider		(looking for contributors)
TypeDefinitionProvider		(looking for contributors)
WorkspaceSymbolProvider		(looking for contributors)
DocumentRangeFormattingProvider		(looking for contributors)
DocumentOnTypeFormattingProvider		(looking for contributors)
SemanticHighlighting		(looking for contributors)
DocumentLinkProvider		(looking for contributors)
ColorProvider		(looking for contributors)
ExecuteCommandProvider		(looking for contributors)
OnTypeRenameProvider		(looking for contributors)

Currently (2021), you can use more features by installing both Atom IDE Base and Atom IDE UI and turning off unused features from the Atom IDE UI settings.

So far, you should be able to use more features by making the following settings in the Atom IDE UI.

setting > enabled features

• code actions: only when in an enabled package group
• code highlight: only when in an enabled package group
• find reference: only when in an enabled package group
• refactor: only when in an enabled package group
• other: Never enabled

How to use the function

Linter

Install https://atom.io/packages/linter package.

completion

Install https://atom.io/packages/atom-ide-base package.

Data tip

Install https://atom.io/packages/atom-ide-datatip package.

signature help

Install https://atom.io/packages/atom-ide-signature-help package.

definitions

Install https://atom.io/packages/atom-ide-definitions package.

find references

Install https://atom.io/packages/atom-ide-ui package.

left click on symbol, and select "Find reference".

document highlight

Install https://atom.io/packages/atom-ide-base package.

hover on symbol.

outline view

Install https://atom.io/packages/atom-ide-outline package.

open command pallet and select "outline: toggle"

rename

Install https://atom.io/packages/atom-ide-ui package.

hover on symbol, then "menu > nuclid > rename"

format on save

Install this package.

Atom IDE UI's formatting was dosen't work because of error, so deno fmt command was used in this package inside.