chore: add publish next script (#32)

Author: Vasil Chimev

.npmignore

@@ -6,3 +6,4 @@ node_modules
 !/**/*.d.ts
 e2e/reports
 !e2e/*.ts
+publish-next.js

publish-next.js

@@ -0,0 +1,30 @@
+#!/usr/bin/env node
+
+const { readFileSync, writeFileSync } = require("fs");
+const { resolve } = require("path");
+
+const getPackageJsonPath = projectDir => resolve(projectDir, "package.json");
+const getPackageJson = projectDir => {
+    const packageJsonPath = getPackageJsonPath(projectDir);
+    return JSON.parse(readFileSync(packageJsonPath, "utf8"));
+}
+const writePackageJson = (content, projectDir) => {
+    const packageJsonPath = getPackageJsonPath(projectDir);
+    writeFileSync(packageJsonPath, JSON.stringify(content, null, 2));
+}
+
+const tag = "next";
+const projectDir = __dirname;
+const packageJson = getPackageJson(projectDir);
+const [, , packageVersion = new Date().toISOString().split("T")[0] ] = process.argv;
+
+packageJson.publishConfig = Object.assign(
+    packageJson.publishConfig || {},
+    { tag }
+);
+
+const currentVersion = packageJson.version;
+const nextVersion = `${currentVersion}-${packageVersion}`;
+const newPackageJson = Object.assign(packageJson, { version: nextVersion });
+
+writePackageJson(newPackageJson, projectDir);