Class LSPCompletionProvider

LSP completion provider for notebook cells. Supports Python (via Pylance) and Markdown (via built-in VS Code markdown LSP).

Implements

IInlineCompletionProvider<IInlineCompletionItem>

Index

Constructors

constructor

new LSPCompletionProvider(): LSPCompletionProvider
Returns LSPCompletionProvider
- Defined in webview/services/completion/lspProvider.ts:74

Properties

`Readonly`identifier

identifier: "@datalayer/lsp-provider"

Unique identifier for this completion provider

`Readonly`name

name: "LSP (Python & Markdown)"

Human-readable name displayed in UI

`Private`pendingRequests

pendingRequests: Map<string, (items: any[]) => void> = ...

Map of pending requests (requestId -> resolve function)

`Private`requestCounter

requestCounter: number = 0

Request counter for generating unique IDs

Accessors

schema

get schema(): { default: { debouncerDelay: number; timeout: number } }
Returns { default: { debouncerDelay: number; timeout: number } }
Implementation of IInlineCompletionProvider.schema
- Defined in webview/services/completion/lspProvider.ts:79

Methods

`Private`detectCellLanguage

detectCellLanguage(context: IInlineCompletionContext): CellLanguage
Detect the language of the cell from the context.
Parameters
- context: IInlineCompletionContext
Returns CellLanguage
- Defined in webview/services/completion/lspProvider.ts:192

dispose

dispose(): void
Dispose of the provider and clean up resources.

Returns void
- Defined in webview/services/completion/lspProvider.ts:297

fetch

fetch(
request: any,
context: IInlineCompletionContext,
): Promise<IInlineCompletionList<IInlineCompletionItem>>
Fetch completion suggestions from LSP.
Parameters
- request: any
  Completion request with text and cursor position
- context: IInlineCompletionContext
  Completion context
Returns Promise<IInlineCompletionList<IInlineCompletionItem>>
Promise resolving to list of completion items
Implementation of IInlineCompletionProvider.fetch
- Defined in webview/services/completion/lspProvider.ts:117

`Private`getCellId

getCellId(context: IInlineCompletionContext): string
Get the cell ID from the context.
Parameters
- context: IInlineCompletionContext
Returns string
- Defined in webview/services/completion/lspProvider.ts:223

`Private`handleMessage

handleMessage(event: MessageEvent): void
Handle messages from extension host.
Parameters
- event: MessageEvent
Returns void
- Defined in webview/services/completion/lspProvider.ts:91

`Private`offsetToPosition

offsetToPosition(
text: string,
offset: number,
): { character: number; line: number }
Convert character offset to line/character position.
Parameters
- text: string
  The full text content
- offset: number
  Character offset in the text
Returns { character: number; line: number }
Line and character position (0-indexed)
- Defined in webview/services/completion/lspProvider.ts:240

`Private`requestCompletions

requestCompletions(
    cellId: string,
    language: CellLanguage,
    position: { character: number; line: number },
): Promise<any[]>
Request completions from extension host via postMessage.
Parameters
- cellId: string
- language: CellLanguage
- position: { character: number; line: number }
Returns Promise<any[]>
- Defined in webview/services/completion/lspProvider.ts:262

Class LSPCompletionProvider

Implements

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Returns LSPCompletionProvider

Properties

Readonlyidentifier

Readonlyname

PrivatependingRequests

PrivaterequestCounter

Accessors

schema

Returns { default: { debouncerDelay: number; timeout: number } }

Methods

PrivatedetectCellLanguage

Parameters

Returns CellLanguage

dispose

Returns void

fetch

Parameters

Returns Promise<IInlineCompletionList<IInlineCompletionItem>>

PrivategetCellId

Parameters

Returns string

PrivatehandleMessage

Parameters

Returns void

PrivateoffsetToPosition

Parameters

Returns { character: number; line: number }

PrivaterequestCompletions

Parameters

Returns Promise<any[]>

Settings

On This Page

`Readonly`identifier

`Readonly`name

`Private`pendingRequests

`Private`requestCounter

`Private`detectCellLanguage

`Private`getCellId

`Private`handleMessage

`Private`offsetToPosition

`Private`requestCompletions