env-cmd/dist/parse-args.js

89 lines
3.2 KiB
JavaScript

import * as commander from 'commander';
import { parseArgList } from './utils.js';
import { default as packageJson } from '../package.json' with { type: 'json' };
/**
* Parses the arguments passed into the cli
*/
export function parseArgs(args) {
// Run the initial arguments through commander in order to determine
// which value in the args array is the `command` to execute
let program = parseArgsUsingCommander(args);
const command = program.args[0];
// Grab all arguments after the `command` in the args array
const commandArgs = args.splice(args.indexOf(command) + 1);
// Reprocess the args with the command and command arguments removed
program = parseArgsUsingCommander(args.slice(0, args.indexOf(command)));
// Set values for provided options
let noOverride = false;
// In commander `no-` negates the original value `override`
if (program.override === false) {
noOverride = true;
}
let useShell = false;
if (program.useShell === true) {
useShell = true;
}
let expandEnvs = false;
if (program.expandEnvs === true) {
expandEnvs = true;
}
let verbose = false;
if (program.verbose === true) {
verbose = true;
}
let silent = false;
if (program.silent === true) {
silent = true;
}
let rc;
if (program.environments !== undefined
&& Array.isArray(program.environments)
&& program.environments.length !== 0) {
rc = {
environments: program.environments,
filePath: program.rcFile,
};
}
let envFile;
if (program.file !== undefined) {
envFile = {
filePath: program.file,
fallback: program.fallback,
};
}
const options = {
command,
commandArgs,
envFile,
rc,
options: {
expandEnvs,
noOverride,
silent,
useShell,
verbose,
},
};
if (verbose) {
console.info(`Options: ${JSON.stringify(options, null, 0)}`);
}
return options;
}
export function parseArgsUsingCommander(args) {
const program = new commander.Command();
return program
.version(packageJson.version, '-v, --version')
.usage('[options] <command> [...args]')
.option('-e, --environments [env1,env2,...]', 'The rc file environment(s) to use', parseArgList)
.option('-f, --file [path]', 'Custom env file path (default path: ./.env)')
.option('--fallback', 'Fallback to default env file path, if custom env file path not found')
.option('--no-override', 'Do not override existing environment variables')
.option('-r, --rc-file [path]', 'Custom rc file path (default path: ./.env-cmdrc(|.js|.json)')
.option('--silent', 'Ignore any env-cmd errors and only fail on executed program failure.')
.option('--use-shell', 'Execute the command in a new shell with the given environment')
.option('--verbose', 'Print helpful debugging information')
.option('-x, --expand-envs', 'Replace $var in args and command with environment variables')
.allowUnknownOption(true)
.parse(['_', '_', ...args]);
}