@codemirror/view#Tooltip TypeScript Examples

The following examples show how to use @codemirror/view#Tooltip. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: index.ts    From codemirror-languageserver with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
async requestHoverTooltip(
        view: EditorView,
        { line, character }: { line: number; character: number }
    ): Promise<Tooltip | null> {
        if (!this.client.ready || !this.client.capabilities!.hoverProvider) return null;

        this.sendChange({ documentText: view.state.doc.toString() });
        const result = await this.client.textDocumentHover({
            textDocument: { uri: this.documentUri },
            position: { line, character },
        });
        if (!result) return null;
        const { contents, range } = result;
        let pos = posToOffset(view.state.doc, { line, character })!;
        let end: number;
        if (range) {
            pos = posToOffset(view.state.doc, range.start)!;
            end = posToOffset(view.state.doc, range.end);
        }
        if (pos === null) return null;
        const dom = document.createElement('div');
        dom.classList.add('documentation');
        dom.textContent = formatContents(contents);
        return { pos, end, create: (view) => ({ dom }), above: true };
    }