New: Adds new info flag (fixes #11958)

eslint · Aug 4, 2019 · 8a7428d · 8a7428d
1 parent f5e0cc4
commit 8a7428d
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Showing 3 changed files with 20 additions and 2 deletions.
diff --git a/lib/cli.js b/lib/cli.js
@@ -18,6 +18,7 @@
 const fs = require("fs"),
     path = require("path"),
     mkdirp = require("mkdirp"),
+    envinfo = require("envinfo"),
     { CLIEngine } = require("./cli-engine"),
     options = require("./options"),
     log = require("./shared/logging");
@@ -67,7 +68,8 @@ function translateOptions(cliOptions) {
         fixTypes: cliOptions.fixType,
         allowInlineConfig: cliOptions.inlineConfig,
         reportUnusedDisableDirectives: cliOptions.reportUnusedDisableDirectives,
-        resolvePluginsRelativeTo: cliOptions.resolvePluginsRelativeTo
+        resolvePluginsRelativeTo: cliOptions.resolvePluginsRelativeTo,
+        info: cliOptions.info
     };
 }
 
@@ -165,7 +167,6 @@ const cli = {
         if (currentOptions.version) { // version from package.json
 
             log.info(`v${require("../package.json").version}`);
-
         } else if (currentOptions.printConfig) {
             if (files.length) {
                 log.error("The --print-config option must be used with exactly one file name.");
@@ -182,6 +183,16 @@ const cli = {
 
             log.info(JSON.stringify(fileConfig, null, "  "));
             return 0;
+        } else if (currentOptions.info) {
+            log.info("\n Environment Information:-");
+            envinfo
+                .run({
+                    System: ["OS", "CPU"],
+                    Binaries: ["Node", "Yarn", "npm"],
+                    Browsers: ["Chrome", "Edge", "Firefox", "Safari"],
+                    npmGlobalPackages: ["eslint"]
+                })
+                .then(log.info);
         } else if (currentOptions.help || (!files.length && !useStdin)) {
 
             log.info(options.generateHelp());

diff --git a/lib/options.js b/lib/options.js
@@ -246,6 +246,12 @@ module.exports = optionator({
             option: "print-config",
             type: "path::String",
             description: "Print the configuration for the given file"
+        },
+        {
+            option: "info",
+            alias: "i",
+            type: "Boolean",
+            description: "Print debugging information concerning the local environmet"
         }
     ]
 });
diff --git a/package.json b/package.json
@@ -49,6 +49,7 @@
     "cross-spawn": "^6.0.5",
     "debug": "^4.0.1",
     "doctrine": "^3.0.0",
+    "envinfo": "^7.3.1",
     "eslint-scope": "^5.0.0",
     "eslint-utils": "^1.3.1",
     "eslint-visitor-keys": "^1.0.0",