@lwc/jest-transformer/src/transforms/label-scoped-import.js

Jest transformer for LWC and engine

/*
 * Copyright (c) 2018, salesforce.com, inc.
 * All rights reserved.
 * SPDX-License-Identifier: MIT
 * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
 */
const { stringScopedImportTransform } = require('./utils');

const LABEL_IMPORT_IDENTIFIER = '@salesforce/label/';
const LEGACY_LABEL_IMPORT_IDENTIFIER = '@label/';

module.exports = function ({ types: t }) {
    return {
        visitor: {
            ImportDeclaration(path) {
                if (path.get('source.value').node.startsWith(LABEL_IMPORT_IDENTIFIER)) {
                    stringScopedImportTransform(t, path, LABEL_IMPORT_IDENTIFIER);
                } else if (
                    path.get('source.value').node.startsWith(LEGACY_LABEL_IMPORT_IDENTIFIER)
                ) {
                    stringScopedImportTransform(t, path, LEGACY_LABEL_IMPORT_IDENTIFIER);
                }
            },
        },
    };
};