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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | 2x 2x 2x 9x 9x 9x 9x 2x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x | import { ArgumentParser } from 'argparse';
import fs from 'fs';
import path from 'path';
/**
* Reads the version from the nearest package.json at runtime.
* This works both in the source tree and after compilation to dist/.
*/
function getVersion(): string {
try {
const pkgPath = path.resolve(__dirname, '..', 'package.json');
const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf-8'));
return pkg.version ?? 'unknown';
} catch {
return 'unknown';
}
}
/**
* Interface for the parsed CLI arguments.
*/
export interface ParsedArgs {
environment: string;
env_dir: string;
dry_run: boolean;
backup_name: string;
include_environment: boolean;
replace: boolean;
verbose: number;
}
/**
* This class defines all arguments which can be passed to the Node Package Builder.
* It also parses the cli input.
*/
export class ParseArgs {
/**
* Is the main ArgumentParser object.
*
* @private
*/
private readonly parser: ArgumentParser;
/**
* The constructor (instantiates the ArgumentParser)
*/
constructor() {
this.parser = new ArgumentParser({
description:
'A node package helper which assists you in organizing your package.json for multiple environment.',
add_help: true,
});
}
/**
* Here the whole arguments are build together.
*
* @returns The ParsArgs object
*/
public build() {
this.parser.add_argument('environment', {
help: 'The name of the environment to apply to package.json',
default: '__reset__',
nargs: '?',
});
this.parser.add_argument('-e', '--env-dir', {
help: 'path to environment files (default == envs)',
default: 'envs',
});
this.parser.add_argument('-d', '--dry-run', {
help: 'Shows only the result. No modification of package.json done (default == false)',
action: 'store_true',
});
this.parser.add_argument('-b', '--backup-name', {
help:
'Name of the package.json backup file. Restored when calling without any environment. (default == .package.json)',
default: '.package.json',
});
this.parser.add_argument('-i', '--include-environment', {
help: 'Inserts a field into the modified package.json which contains the used environment',
action: 'store_true',
});
this.parser.add_argument('-r', '--replace', {
help:
'Replaces the package.json instead of a merge. For this, the environment package.json has to be complete.',
action: 'store_true',
});
this.parser.add_argument('-v', '--verbose', {
help: 'Select level of verbosity (max: 2)',
action: 'count',
default: 0,
});
this.parser.add_argument('--version', {
action: 'version',
version: getVersion(),
});
}
/**
* Parses the cli inputs
*
* @returns An object with the parsed parameters
*/
public parseArgs(): ParsedArgs {
return this.parser.parse_args();
}
}
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