app/node_modules/@angular/cdk/schematics/ng-update/migrations/css-tokens.js

"use strict";
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.dev/license
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.CssTokensMigration = void 0;
const ts = require("typescript");
const migration_1 = require("../../update-tool/migration");
const literal_1 = require("../typescript/literal");
const upgrade_data_1 = require("../upgrade-data");
/** Characters that can be part of a valid token name. */
const TOKEN_CHARACTER = /[-_a-z0-9]/i;
/**
 * Migration that walks through every string literal, template and stylesheet in
 * order to migrate outdated CSS tokens to their new name.
 */
class CssTokensMigration extends migration_1.Migration {
    constructor() {
        super(...arguments);
        /** Change data that upgrades to the specified target version. */
        this.data = (0, upgrade_data_1.getVersionUpgradeData)(this, 'cssTokens');
        // Only enable the migration rule if there is upgrade data.
        this.enabled = this.data.length !== 0;
    }
    visitNode(node) {
        if (ts.isStringLiteralLike(node)) {
            this._visitStringLiteralLike(node);
        }
    }
    visitTemplate(template) {
        this.data.forEach(data => {
            if (data.replaceIn && !data.replaceIn.html) {
                return;
            }
            (0, literal_1.findAllSubstringIndices)(template.content, data.replace)
                .map(offset => template.start + offset)
                // Filter out matches that are followed by a valid token character, so that we don't match
                // partial token names.
                .filter(start => !TOKEN_CHARACTER.test(template.content[start + data.replace.length] || ''))
                .forEach(start => this._replaceSelector(template.filePath, start, data));
        });
    }
    visitStylesheet(stylesheet) {
        this.data.forEach(data => {
            if (data.replaceIn && !data.replaceIn.stylesheet) {
                return;
            }
            (0, literal_1.findAllSubstringIndices)(stylesheet.content, data.replace)
                .map(offset => stylesheet.start + offset)
                // Filter out matches that are followed by a valid token character, so that we don't match
                // partial token names.
                .filter(start => !TOKEN_CHARACTER.test(stylesheet.content[start + data.replace.length] || ''))
                .forEach(start => this._replaceSelector(stylesheet.filePath, start, data));
        });
    }
    _visitStringLiteralLike(node) {
        const textContent = node.getText();
        const filePath = this.fileSystem.resolve(node.getSourceFile().fileName);
        this.data.forEach(data => {
            if (data.replaceIn && !data.replaceIn.tsStringLiterals) {
                return;
            }
            (0, literal_1.findAllSubstringIndices)(textContent, data.replace)
                .map(offset => node.getStart() + offset)
                // Filter out matches that are followed by a valid token character, so that we don't match
                // partial token names.
                .filter(start => !TOKEN_CHARACTER.test(textContent[start + data.replace.length] || ''))
                .forEach(start => this._replaceSelector(filePath, start, data));
        });
    }
    _replaceSelector(filePath, start, data) {
        this.fileSystem
            .edit(filePath)
            .remove(start, data.replace.length)
            .insertRight(start, data.replaceWith);
    }
}
exports.CssTokensMigration = CssTokensMigration;
//# sourceMappingURL=css-tokens.js.map