@feeloor/ng-extension-schematics/src/path-alias/index.js

Angular extension schematics

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const schematics_1 = require("@angular-devkit/schematics");
const core_1 = require("@angular-devkit/core");
function default_1(options) {
    return schematics_1.chain([
        (tree, _context) => {
            _context.logger.debug(`Adding shortcut ${options.name} to point to ${options.path}`);
            // Find tsconfig.json
            const tsConfigFile = tree.root.subfiles.find((value) => {
                return value === 'tsconfig.json';
            });
            // If tsconfig wasn't found
            if (!tsConfigFile) {
                _context.logger.debug(`tsconfig.json was not found.`);
                return tree;
            }
            // Get tsconfig content
            const tsConfigContent = tree.read(core_1.normalize(tree.root.path + '/' + tsConfigFile));
            // Read file json and parse to object
            const tsConfigData = JSON.parse(tsConfigContent ? tsConfigContent.toString() : '');
            // tsconfig doesn't have paths
            if (!tsConfigData.compilerOptions.hasOwnProperty('paths')) {
                _context.logger.debug(`No paths object was found, initializing new...`);
                tsConfigData.compilerOptions.paths = {};
            }
            // Add new alias
            tsConfigData.compilerOptions.paths[`${options.name}/*`] = [`${options.path}/*`];
            // Convert data to json and write to file
            tree.overwrite(tsConfigFile, JSON.stringify(tsConfigData, null, '\t'));
            return tree;
        }
    ]);
}
exports.default = default_1;
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