@nteract/monaco-editor/lib/documentUri.js

A React component for the monaco editor, tailored for nteract

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DocumentUri = void 0;
const editor_api_1 = require("monaco-editor/esm/vs/editor/editor.api");
const monaco = __importStar(require("monaco-editor/esm/vs/editor/editor.api"));
/**
 * Common Uri identifiers
 */
var Identifiers;
(function (Identifiers) {
    Identifiers["cellUriMarker"] = "cell";
    Identifiers["notebookUriMarker"] = "notebook";
})(Identifiers || (Identifiers = {}));
/**
 * Map of language id to file extension.
 */
const languageToExtensionMap = new Map();
/**
 * Document Monaco Uri helper to support conversions/detection for notebook and cells.
 */
class DocumentUri {
    /**
     * Checks if uri represents a document.
     * @param uri Uri to validate.
     */
    static isDocument(uri) {
        // Remove file extension if it exists and then check if uri path ends with the notebook marker.
        const path = uri.path.replace(/\.[^\/.]+$/, "");
        return !!(path && path.endsWith(`/${Identifiers.notebookUriMarker}`));
    }
    /**
     * Checks if uri represents a cell.
     * @param uri Uri to validate.
     */
    static isCell(uri) {
        // Remove file extension if it exists and then check if uri path ends with the cell marker.
        const path = uri.path.replace(/\.[^\/.]+$/, "");
        return !!(path && path.endsWith(`/${Identifiers.cellUriMarker}`));
    }
    /**
     * Get document id from document uri.
     * @param uri Uri of cell.
     */
    static getDocumentIdFromDocumentUri(uri) {
        if (DocumentUri.isDocument(uri)) {
            const tokens = uri.path.split("/");
            // Document uri path is in the format of "/<document_id>/notebook.<file_extension>" so we check the length
            // of the split is 3 tokens and grab the 2nd token (document id) which is index 1.
            if (tokens.length === 3) {
                return tokens[1];
            }
        }
        return undefined;
    }
    /**
     * Get document id from cell uri.
     * @param uri Uri of cell.
     */
    static getDocumentIdFromCellUri(uri) {
        if (DocumentUri.isCell(uri)) {
            const tokens = uri.path.split("/");
            // Cell uri path is in the format of "/<document_id>/<cell_id>/cell.<file_extension>" so we check the length
            // of the split is 4 tokens and grab the 2nd token (document id) which is index 1.
            if (tokens.length === 4) {
                return tokens[1];
            }
        }
        return undefined;
    }
    /**
     * Get cell id from cell uri.
     * @param uri Uri of cell.
     */
    static getCellIdFromCellUri(uri) {
        if (DocumentUri.isCell(uri)) {
            const tokens = uri.path.split("/");
            // Cell uri path is in the format of "/<document_id>/<cell_id>/cell.<file_extension>" so we check the length
            // of the split is 4 tokens and grab the 3rd token (cell id) which is index 2.
            if (tokens.length === 4) {
                return tokens[2];
            }
        }
        return undefined;
    }
    /**
     * Create a document uri.
     * @param id Document id.
     */
    static createDocumentUri(id, languageId) {
        const fileExtension = DocumentUri.getFileExtension(languageId);
        return editor_api_1.Uri.file(`${id}/${Identifiers.notebookUriMarker}${fileExtension}`);
    }
    /**
     * Create a cell uri.
     * @param documentId Document id.
     * @param cellId Cell id.
     */
    static createCellUri(documentId, cellId, languageId) {
        const fileExtension = DocumentUri.getFileExtension(languageId);
        return editor_api_1.Uri.file(`${documentId}/${cellId}/${Identifiers.cellUriMarker}${fileExtension}`);
    }
    /**
     * Get file extension for language. If no extension exist then empty string is returned.
     * @param languageId Language id.
     */
    static getFileExtension(languageId) {
        if (!languageToExtensionMap.has(languageId)) {
            monaco.languages.getLanguages().forEach((metadata) => {
                languageToExtensionMap.set(
                // Language id
                metadata.id, 
                // File extension if it exists. If more than one file extension exists then take the first one
                // as it's the more important version compared to the rest in the list.
                metadata.extensions && metadata.extensions.length > 0 ? metadata.extensions[0] : "");
            });
        }
        return languageToExtensionMap.get(languageId) || "";
    }
}
exports.DocumentUri = DocumentUri;
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