feature(cli): adds --no-config option (#747)

.github/ISSUE_TEMPLATE/use-without-config.md

@@ -0,0 +1,11 @@
+---
+name: No configuration file use case
+about: Use this to tell about your use case for running dependency-cruiser without a configuration ile
+title: "I use dependency-cruiser without a configuration file. This is why."
+---
+
+### Summary
+
+Hi! I do use the dependency-cruiser cli without a configuration file. This is why:
+
+<!-- a short description on how you use it -->

bin/dependency-cruise.js

@@ -24,6 +24,11 @@ try {
  "-c, --config [file]",
  "read rules and options from [file] (e.g. .dependency-cruiser.js)"
  )
+ .option(
+ "--no-config",
+ "do not use a configuration file. " +
+ "Overrides any --config option set earlier"
+ )
  .option(
  "-T, --output-type <type>",
  "output type; e.g. err, err-html, dot, ddot, archi, flat, baseline or json\n(default: err)"

doc/cli.md

@@ -18,6 +18,7 @@ available in dependency-cruiser configurations.
 1. [arguments - files and/ or directories](#arguments---files-and-or-directories)
 1. [`--output-type`: specify the output format](#--output-type-specify-the-output-format)
 1. [`--config`/ `--validate`: use a configuration with rules and/or options](#--config---validate)
+1. [`--no-config`: do not use a configuration file](#--no-config)
 1. [`--init`](#--init)
 1. [`--metrics`: calculate stability metrics](#--metrics)
 1. [`--info`: show what alt-js are supported](#--info-showing-what-alt-js-are-supported)
@@ -678,6 +679,16 @@ For more information about writing rules see the [tutorial](rules-tutorial.md) a
 
 For an easy set up of both use [--init](#--init)
 
+### `--no-config`
+
+Use this if you don't want to use a configuration file. Overrides any earlier
+specified --config (or --validate) option.
+
+> If you actually use this, I'm interested in your use case. Please drop an
+> [issue on GitHub](https://github.com/sverweij/dependency-cruiser/issues/new?assignees=&labels=&template=use-without-config.md&title=I+use+dependency-cruiser+without+a+configuration+file.+This+is+why:) or contact me on mastodon
+> ([@mcmeadow@mstdn.social](https://mstdn.social/@mcmeadow)) or twitter
+> ([@mcmeadow](https://twitter.com/mcmeadow)).
+
 ### `--init`
 
 This asks some questions and - depending on the answers - creates a dependency-cruiser

src/cli/normalize-cli-options.js

@@ -108,7 +108,7 @@ function normalizeKnownViolationsOption(pCliOptions) {
 }
 
 function normalizeValidationOption(pCliOptions) {
- if (!has(pCliOptions, "validate")) {
+ if (!pCliOptions.validate) {
  return {
  validate: false,
  };