fix() support --pre when publishing

scripts/publish.js

@@ -1,15 +1,23 @@
 const { promisify } = require('util');
 const exec = promisify(require('child_process').exec);
 
-const cmdArguments = process.argv.slice(2);
-const semverType = cmdArguments[0];
+const args = process.argv.slice(2);
+const semverType = args[0];
+
+const prerelease = args.indexOf('--pre') >= 0;
+const prereleaseType = prerelease ? args[args.indexOf('--pre') + 1] : null;
+
 
 console.log(semverType);
 
-if (!semverType || !semverType.match(/^(major|minor|patch|premajor|preminor|prepatch|prerelease)$/)) {
-    console.log(`Usage: major|minor|patch|premajor|preminor|prepatch|prerelease`);
+if (!semverType || !semverType.match(/^(major|minor|patch)$/)) {
+    console.log(`Usage: major|minor|patch`);
     process.exit(1);
 }
+if (prerelease && !prereleaseType.match(/^(alpha|beta|rc)$/)) {
+    console.log(`Usage: major|minor|patch --pre [alpha|beta|rc]`);
+    process.exit(1);
+} 
 
 
 async function run(command) {
@@ -22,8 +30,9 @@ async function run(command) {
 }
 
 async function main() {
+    const version = `${semverType} ${prerelease ? '--preid=' + prereleaseType : ''}`;
     await run(`npm run verify`);
-    await run(`npm version ${semverType}`);
+    await run(`npm version ${version}`);
     await run(`git push`);
     await run(`git push --tags`);
     await run(`npm publish`);