/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
const assert = require('assert');
const path = require('path');
const prettyBytes = require('pretty-bytes');
const workboxBuild = require('workbox-build');
const errors = require('./lib/errors');
const logger = require('./lib/logger');
const readConfig = require('./lib/read-config');
const runWizard = require('./lib/run-wizard');
module.exports = async (command, configFile) => {
assert(command, errors['missing-command-param']);
switch (command) {
case 'wizard': {
await runWizard();
break;
}
case 'generateSW':
case 'injectManifest': {
assert(configFile, errors['missing-config-file-param']);
// TODO: Confirm that this works with Windows paths.
const configPath = path.resolve(process.cwd(), configFile);
let config;
try {
config = readConfig(configPath);
} catch (error) {
logger.error(errors['invalid-common-js-module']);
throw error;
}
try {
const {size, count} = await workboxBuild[command](config);
logger.log(`The service worker was written to ${config.swDest}\n` +
`${count} files will be precached, totalling ${prettyBytes(size)}.`);
} catch (error) {
// See https://github.com/hapijs/joi/blob/v11.3.4/API.md#errors
if (typeof error.annotate === 'function') {
throw new Error(
`${errors['config-validation-failed']}\n${error.annotate()}`);
}
logger.error(errors['workbox-build-runtime-error']);
throw error;
}
break;
}
default: {
throw new Error(errors['unknown-command'] + ` ` + command);
}
}
};
