@krassowski/jupyterlab-lsp/lib/components/utils.js

Language Server Protocol integration for JupyterLab

import { nullTranslator } from '@jupyterlab/translation';
import React from 'react';
export function getBreadcrumbs(document, adapter, trans, collapse = true) {
    if (!trans) {
        trans = nullTranslator.load('');
    }
    return document.ancestry.map((document) => {
        if (!document.parent) {
            let path = document.path;
            if (!document.has_lsp_supported_file &&
                document.file_extension &&
                path.endsWith(document.file_extension)) {
                path = path.slice(0, -document.file_extension.length - 1);
            }
            const full_path = path;
            if (collapse) {
                let parts = path.split('/');
                if (parts.length > 2) {
                    path = parts[0] + '/.../' + parts[parts.length - 1];
                }
            }
            return (React.createElement("span", { key: document.uri, title: full_path }, path));
        }
        if (!document.virtual_lines.size) {
            return React.createElement("span", { key: document.uri }, "Empty document");
        }
        try {
            if (adapter.has_multiple_editors) {
                let first_line = document.virtual_lines.get(0);
                let last_line = document.virtual_lines.get(document.last_virtual_line - 1);
                let first_cell = adapter.get_editor_index(first_line.editor);
                let last_cell = adapter.get_editor_index(last_line.editor);
                let cell_locator = first_cell === last_cell
                    ? trans.__('cell %1', first_cell + 1)
                    : trans.__('cells: %1-%2', first_cell + 1, last_cell + 1);
                return (React.createElement("span", { key: document.uri },
                    document.language,
                    " (",
                    cell_locator,
                    ")"));
            }
        }
        catch (e) {
            console.warn('LSP: could not display document cell location', e);
        }
        return React.createElement("span", { key: document.uri }, document.language);
    });
}
/**
 * @deprecated please use getBreadcrumbs instead; `get_breadcrumbs` will be removed in 4.0
 */
export function get_breadcrumbs(document, adapter, collapse = true) {
    return getBreadcrumbs(document, adapter, undefined, collapse);
}
export function focus_on(node) {
    if (!node) {
        return;
    }
    node.scrollIntoView();
    node.focus();
}
export function DocumentLocator(props) {
    let { document, adapter } = props;
    let target = null;
    if (adapter.has_multiple_editors) {
        let first_line = document.virtual_lines.get(0);
        if (first_line) {
            target = adapter.get_editor_wrapper(first_line.editor);
        }
        else {
            console.warn('Could not get first line of ', document);
        }
    }
    let breadcrumbs = getBreadcrumbs(document, adapter, props.trans);
    return (React.createElement("div", { className: 'lsp-document-locator', onClick: () => (target ? focus_on(target) : null) }, breadcrumbs));
}
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