feat(cli): add parseArgs helper

chore(cli): add parseArgs test
webpack · Jan 29, 2020 · c91b06f · c91b06f
1 parent c7fd491
commit c91b06f
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Showing 3 changed files with 52 additions and 16 deletions.
diff --git a/lib/bootstrap.js b/lib/bootstrap.js
@@ -4,6 +4,7 @@ const WebpackCLI = require('./webpack-cli');
 const { core, commands } = require('./utils/cli-flags');
 const cmdArgs = require('command-line-args');
 const logger = require('./utils/logger');
+const parseArgs = require('./utils/parse-args');
 
 require('./utils/process-log');
 
@@ -56,22 +57,8 @@ async function runCLI(cli, commandIsUsed) {
         cli.runVersion();
         return;
     } else if (nodeArgsExists) {
-        args = cmdArgs(core, { stopAtFirstUnknown: false, partial: true });
         const [, , ...rawArgs] = process.argv;
-        const cliArgs = [];
-        const nodeArgs = [];
-        let isNodsArg = false;
-
-        for (const value of rawArgs) {
-            if (value === '--node-args') {
-                isNodsArg = true;
-            } else if (isNodsArg) {
-                isNodsArg = false;
-                nodeArgs.push(...value.split(' '));
-            } else {
-                cliArgs.push(value);
-            }
-        }
+        const { cliArgs, nodeArgs } = parseArgs(rawArgs);
 
         try {
             const childProcess = execa('node', [...nodeArgs, cliPath, ...cliArgs], { stdio: 'inherit' });

diff --git a/lib/utils/parse-args.js b/lib/utils/parse-args.js
@@ -0,0 +1,24 @@
+/**
+ * Parse cli args and split these to args for node js and the rest
+ *
+ * @param {string[]} rawArgs raw cli args
+ * @returns {{cliArgs: string[], nodeArgs: string[]}} cli and nodejs args
+ */
+module.exports = rawArgs => {
+    const cliArgs = [];
+    const nodeArgs = [];
+    let isNodeArg = false;
+
+    for (const value of rawArgs) {
+        if (value === '--node-args') {
+            isNodeArg = true;
+        } else if (isNodeArg) {
+            isNodeArg = false;
+            nodeArgs.push(...value.split(' '));
+        } else {
+            cliArgs.push(value);
+        }
+    }
+
+    return { cliArgs, nodeArgs };
+};
diff --git a/test/node/node.test.js b/test/node/node.test.js
@@ -2,9 +2,34 @@
 const { stat } = require('fs');
 const { resolve, sep } = require('path');
 const { run, extractSummary } = require('../utils/test-utils');
+const parseArgs = require('../../lib/utils/parse-args');
 
 describe('node flags', () => {
-    it('is able to options flags to node js', done => {
+    it('parseArgs helper must work correctly', () => {
+        [
+            {
+                rawArgs: ['--foo', '--bar', '--baz=quux'],
+                expectedCliArgs: ['--foo', '--bar', '--baz=quux'],
+                expectedNodeArgs: [],
+            },
+            {
+                rawArgs: ['--foo', '--bar', '--baz=quux', '--node-args', '--name1=value1', '--node-args', '--name2 value2'],
+                expectedCliArgs: ['--foo', '--bar', '--baz=quux'],
+                expectedNodeArgs: ['--name1=value1', '--name2', 'value2'],
+            },
+            {
+                rawArgs: ['--node-args', '--name1=value1', '--node-args', '--name2 value2', '--node-args', '-n=v', '--node-args', '-k v'],
+                expectedCliArgs: [],
+                expectedNodeArgs: ['--name1=value1', '--name2', 'value2', '-n=v', '-k', 'v'],
+            },
+        ].map(({ rawArgs, expectedNodeArgs, expectedCliArgs }) => {
+            const { nodeArgs, cliArgs } = parseArgs(rawArgs);
+            expect(nodeArgs).toEqual(expectedNodeArgs);
+            expect(cliArgs).toEqual(expectedCliArgs);
+        });
+    });
+
+    it('is able to pass the options flags to node js', done => {
         const { stdout } = run(__dirname, ['--node-args', `--require=${resolve(__dirname, 'bootstrap.js')}`, '--node-args', `-r ${resolve(__dirname, 'bootstrap2.js')}`, '--output', './bin/[name].bundle.js'], false);
         expect(stdout).toContain('---from bootstrap.js---');
         expect(stdout).toContain('---from bootstrap2.js---');