chore(nightly): add the ability to release nightly builds

add the ability to release nightly builds

Author: danbucholtz

package.json

@@ -22,6 +22,7 @@
     "clean": "rimraf ./dist",
     "github-release": "node ./scripts/create-github-release.js",
     "lint": "tslint -c ./tslint.json --project ./tsconfig.json",
+    "nightly": "npm run build && node ./scripts/publish-nightly.js",
     "release": "npm run build && npm run test && npm version patch && npm changelog && npm run github-release && npm publish",
     "test": "jasmine JASMINE_CONFIG_PATH=src/spec/jasmine.config.json || true",
     "watch": "npm run clean && tsc --watch"

scripts/publish-nightly.js

@@ -0,0 +1,66 @@
+var execSync = require('child_process').execSync;
+var fs = require('fs');
+var path = require('path');
+
+var packageJsonPath = path.join(__dirname, '..', 'package.json');
+var tempPackageJsonPath = path.join(__dirname, '..', 'package-orig.json');
+var originalPackageJson = require(packageJsonPath);
+
+/*
+ * This script assumes the `build` step was run prior to it
+ */
+
+function backupOriginalPackageJson() {
+  var originalContent = JSON.stringify(originalPackageJson, null, 2);
+  fs.writeFileSync(tempPackageJsonPath, originalContent);
+}
+
+function createNightlyVersionInPackageJson() {
+  var originalVersion = originalPackageJson.version;
+  originalPackageJson.version = originalVersion + '-' + createTimestamp();
+  fs.writeFileSync(packageJsonPath, JSON.stringify(originalPackageJson, null, 2));
+}
+
+function revertPackageJson() {
+  var fileContent = fs.readFileSync(tempPackageJsonPath);
+  fileContent = fileContent + '\n';
+  fs.writeFileSync(packageJsonPath, fileContent);
+  fs.unlinkSync(tempPackageJsonPath);
+}
+
+function createTimestamp() {
+  // YYYYMMDDHHMM
+  var d = new Date();
+  return d.getUTCFullYear() + // YYYY
+          ('0' + (d.getUTCMonth() + 1)).slice(-2) + // MM
+          ('0' + (d.getUTCDate())).slice(-2) + // DD
+          ('0' + (d.getUTCHours())).slice(-2) + // HH
+          ('0' + (d.getUTCMinutes())).slice(-2); // MM
+}
+
+function publishToNpm() {
+  var command = `npm publish --tag=nightly ${process.cwd()}`;
+  execSync(command);
+}
+
+
+function mainFunction() {
+  try {
+    console.log('Building Nightly ... BEGIN');
+    console.log('Backing up the original package.json');
+    backupOriginalPackageJson();
+    console.log('Creating the nightly version of package.json');
+    createNightlyVersionInPackageJson();
+    console.log('Publishing to npm');
+    publishToNpm();
+    console.log('Restoring original package.json');
+    revertPackageJson();
+    console.log('Building Nightly ... DONE');
+  }
+  catch (ex) {
+    console.log(`Something went wrong with publishing the nightly. This process modifies the package.json, so restore it before committing code! - ${ex.message}`);
+    process.exit(1);
+  }
+}
+
+mainFunction();