@nestjs/cli
Version:
Nest - modern, fast, powerful node.js web framework (@cli)
119 lines (118 loc) • 6.43 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.StartAction = void 0;
const ansis_1 = require("ansis");
const child_process_1 = require("child_process");
const fs = require("fs");
const path_1 = require("path");
const killProcess = require("tree-kill");
const get_tsc_config_path_1 = require("../lib/compiler/helpers/get-tsc-config.path");
const get_value_or_default_1 = require("../lib/compiler/helpers/get-value-or-default");
const defaults_1 = require("../lib/configuration/defaults");
const ui_1 = require("../lib/ui");
const tree_kill_1 = require("../lib/utils/tree-kill");
const build_action_1 = require("./build.action");
const type_assertions_1 = require("../lib/utils/type-assertions");
class StartAction extends build_action_1.BuildAction {
async handle(commandInputs, commandOptions) {
try {
const configFileName = commandOptions.find((option) => option.name === 'config').value;
const configuration = await this.loader.load(configFileName);
const appName = commandInputs.find((input) => input.name === 'app')
.value;
const pathToTsconfig = (0, get_tsc_config_path_1.getTscConfigPath)(configuration, commandOptions, appName);
const debugModeOption = commandOptions.find((option) => option.name === 'debug');
const watchModeOption = commandOptions.find((option) => option.name === 'watch');
const isWatchEnabled = !!(watchModeOption && watchModeOption.value);
const watchAssetsModeOption = commandOptions.find((option) => option.name === 'watchAssets');
const isWatchAssetsEnabled = !!(watchAssetsModeOption && watchAssetsModeOption.value);
const debugFlag = debugModeOption && debugModeOption.value;
(0, type_assertions_1.assertNonArray)(debugFlag);
const binaryToRun = (0, get_value_or_default_1.getValueOrDefault)(configuration, 'exec', appName, 'exec', commandOptions, defaults_1.defaultConfiguration.exec);
const { options: tsOptions } = this.tsConfigProvider.getByConfigFilename(pathToTsconfig);
const outDir = tsOptions.outDir || defaults_1.defaultOutDir;
const entryFile = (0, get_value_or_default_1.getValueOrDefault)(configuration, 'entryFile', appName, 'entryFile', commandOptions, defaults_1.defaultConfiguration.entryFile);
const sourceRoot = (0, get_value_or_default_1.getValueOrDefault)(configuration, 'sourceRoot', appName, 'sourceRoot', commandOptions, defaults_1.defaultConfiguration.sourceRoot);
const shellOption = commandOptions.find((option) => option.name === 'shell');
const useShell = !!shellOption?.value;
const envFileOption = commandOptions.find((option) => option.name === 'envFile');
const envFile = (envFileOption?.value ?? []);
const onSuccess = this.createOnSuccessHook(entryFile, sourceRoot, debugFlag, outDir, binaryToRun, {
shell: useShell,
envFile,
});
await this.runBuild(commandInputs, commandOptions, isWatchEnabled, isWatchAssetsEnabled, !!debugFlag, onSuccess);
}
catch (err) {
if (err instanceof Error) {
console.log(`\n${ui_1.ERROR_PREFIX} ${err.message}\n`);
}
else {
console.error(`\n${(0, ansis_1.red)(err)}\n`);
}
}
}
createOnSuccessHook(entryFile, sourceRoot, debugFlag, outDirName, binaryToRun, options) {
let childProcessRef;
process.on('exit', () => childProcessRef && (0, tree_kill_1.treeKillSync)(childProcessRef.pid));
return () => {
if (childProcessRef) {
childProcessRef.removeAllListeners('exit');
childProcessRef.on('exit', () => {
childProcessRef = this.spawnChildProcess(entryFile, sourceRoot, debugFlag, outDirName, binaryToRun, {
shell: options.shell,
envFile: options.envFile,
});
childProcessRef.on('exit', () => (childProcessRef = undefined));
});
childProcessRef.stdin && childProcessRef.stdin.pause();
killProcess(childProcessRef.pid);
}
else {
childProcessRef = this.spawnChildProcess(entryFile, sourceRoot, debugFlag, outDirName, binaryToRun, {
shell: options.shell,
envFile: options.envFile,
});
childProcessRef.on('exit', (code) => {
process.exitCode = code;
childProcessRef = undefined;
});
}
};
}
spawnChildProcess(entryFile, sourceRoot, debug, outDirName, binaryToRun, options) {
let outputFilePath = (0, path_1.join)(outDirName, sourceRoot, entryFile);
if (!fs.existsSync(outputFilePath + '.js')) {
outputFilePath = (0, path_1.join)(outDirName, entryFile);
}
let childProcessArgs = [];
const argsStartIndex = process.argv.indexOf('--');
if (argsStartIndex >= 0) {
// Prevents the need for users to double escape strings
// i.e. I can run the more natural
// nest start -- '{"foo": "bar"}'
// instead of
// nest start -- '\'{"foo": "bar"}\''
childProcessArgs = process.argv
.slice(argsStartIndex + 1)
.map((arg) => JSON.stringify(arg));
}
outputFilePath =
outputFilePath.indexOf(' ') >= 0 ? `"${outputFilePath}"` : outputFilePath;
const processArgs = [outputFilePath, ...childProcessArgs];
if (debug) {
const inspectFlag = typeof debug === 'string' ? `--inspect=${debug}` : '--inspect';
processArgs.unshift(inspectFlag);
}
if (options.envFile && options.envFile.length > 0) {
const envFileNodeArgs = options.envFile.map((envFilePath) => `--env-file=${envFilePath}`);
processArgs.unshift(envFileNodeArgs.join(' '));
}
processArgs.unshift('--enable-source-maps');
return (0, child_process_1.spawn)(binaryToRun, processArgs, {
stdio: 'inherit',
shell: options.shell,
});
}
}
exports.StartAction = StartAction;