Add support for pnpm (#225)

README.md

@@ -283,6 +283,6 @@ concurrently([
     So *null* means the process didn't terminate normally. This will make **concurrent**
     to return non-zero exit code too.
 
-* Does this work with the npm-replacement [yarn](https://github.com/yarnpkg/yarn)?
+* Does this work with the npm-replacements [yarn](https://github.com/yarnpkg/yarn) or [pnpm](https://pnpm.js.org/)?
 
-    Yes! In all examples above, you may replace "`npm`" with "`yarn`".
+    Yes! In all examples above, you may replace "`npm`" with "`yarn`" or "`pnpm`".

src/command-parser/expand-npm-shortcut.js

@@ -1,6 +1,6 @@
 module.exports = class ExpandNpmShortcut {
     parse(commandInfo) {
-        const [, npmCmd, cmdName, args] = commandInfo.command.match(/^(npm|yarn):(\S+)(.*)/) || [];
+        const [, npmCmd, cmdName, args] = commandInfo.command.match(/^(npm|yarn|pnpm):(\S+)(.*)/) || [];
         if (!cmdName) {
             return commandInfo;
         }

src/command-parser/expand-npm-shortcut.spec.js

@@ -9,7 +9,7 @@ it('returns same command if no npm: prefix is present', () => {
     expect(parser.parse(commandInfo)).toBe(commandInfo);
 });
 
-for (const npmCmd of ['npm', 'yarn']) {
+for (const npmCmd of ['npm', 'yarn', 'pnpm']) {
     describe(`with ${npmCmd}: prefix`, () => {
         it(`expands to "${npmCmd} run <script> <args>"`, () => {
             const commandInfo = {

src/command-parser/expand-npm-wildcard.js

@@ -7,7 +7,7 @@ module.exports = class ExpandNpmWildcard {
     }
 
     parse(commandInfo) {
-        const [, npmCmd, cmdName, args] = commandInfo.command.match(/(npm|yarn) run (\S+)([^&]*)/) || [];
+        const [, npmCmd, cmdName, args] = commandInfo.command.match(/(npm|yarn|pnpm) run (\S+)([^&]*)/) || [];
         const wildcardPosition = (cmdName || '').indexOf('*');
 
         // If the regex didn't match an npm script, or it has no wildcard,

src/command-parser/expand-npm-wildcard.spec.js

@@ -31,7 +31,7 @@ it('expands to nothing if no scripts exist in package.json', () => {
     expect(parser.parse({ command: 'npm run foo-*-baz qux' })).toEqual([]);
 });
 
-for (const npmCmd of ['npm', 'yarn']) {
+for (const npmCmd of ['npm', 'yarn', 'pnpm']) {
     describe(`with an ${npmCmd}: prefix`, () => {
         it('expands to all scripts matching pattern', () => {
             readPkg.mockReturnValue({