first commit

.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# Dependencies
+node_modules
+.pnp
+.pnp.js
+
+# Local env files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Testing
+coverage
+
+# Turbo
+.turbo
+
+# Vercel
+.vercel
+
+# Build Outputs
+.next/
+out/
+build
+dist
+
+
+# Debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Misc
+.DS_Store
+*.pem
+
+# Apps
+apps

.vscode/settings.json

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+{
+  "eslint.workingDirectories": [
+    {
+      "mode": "auto"
+    }
+  ]
+}

README.md

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+# Turborepo starter
+
+This is an official starter Turborepo.
+
+## Using this example
+
+Run the following command:
+
+```sh
+npx create-turbo@latest
+```
+
+## What's inside?
+
+This Turborepo includes the following packages/apps:
+
+### Apps and Packages
+
+- `docs`: a [Next.js](https://nextjs.org/) app
+- `web`: another [Next.js](https://nextjs.org/) app
+- `@repo/ui`: a stub React component library shared by both `web` and `docs` applications
+- `@repo/eslint-config`: `eslint` configurations (includes `eslint-config-next` and `eslint-config-prettier`)
+- `@repo/typescript-config`: `tsconfig.json`s used throughout the monorepo
+
+Each package/app is 100% [TypeScript](https://www.typescriptlang.org/).
+
+### Utilities
+
+This Turborepo has some additional tools already setup for you:
+
+- [TypeScript](https://www.typescriptlang.org/) for static type checking
+- [ESLint](https://eslint.org/) for code linting
+- [Prettier](https://prettier.io) for code formatting
+
+### Build
+
+To build all apps and packages, run the following command:
+
+```
+cd my-turborepo
+pnpm build
+```
+
+### Develop
+
+To develop all apps and packages, run the following command:
+
+```
+cd my-turborepo
+pnpm dev
+```
+
+### Remote Caching
+
+Turborepo can use a technique known as [Remote Caching](https://turbo.build/repo/docs/core-concepts/remote-caching) to share cache artifacts across machines, enabling you to share build caches with your team and CI/CD pipelines.
+
+By default, Turborepo will cache locally. To enable Remote Caching you will need an account with Vercel. If you don't have an account you can [create one](https://vercel.com/signup), then enter the following commands:
+
+```
+cd my-turborepo
+npx turbo login
+```
+
+This will authenticate the Turborepo CLI with your [Vercel account](https://vercel.com/docs/concepts/personal-accounts/overview).
+
+Next, you can link your Turborepo to your Remote Cache by running the following command from the root of your Turborepo:
+
+```
+npx turbo link
+```
+
+## Useful Links
+
+Learn more about the power of Turborepo:
+
+- [Tasks](https://turbo.build/repo/docs/core-concepts/monorepos/running-tasks)
+- [Caching](https://turbo.build/repo/docs/core-concepts/caching)
+- [Remote Caching](https://turbo.build/repo/docs/core-concepts/remote-caching)
+- [Filtering](https://turbo.build/repo/docs/core-concepts/monorepos/filtering)
+- [Configuration Options](https://turbo.build/repo/docs/reference/configuration)
+- [CLI Usage](https://turbo.build/repo/docs/reference/command-line-reference)

package.json

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+{
+  "name": "unify-payment",
+  "private": true,
+  "scripts": {
+    "build": "turbo build",
+    "dev": "turbo dev",
+    "lint": "turbo lint",
+    "format": "prettier --write \"**/*.{ts,tsx,md}\""
+  },
+  "devDependencies": {
+    "prettier": "^3.2.5",
+    "turbo": "^2.0.14",
+    "typescript": "^5.4.5"
+  },
+  "packageManager": "[email protected]",
+  "engines": {
+    "node": ">=18"
+  }
+}

packages/node/package.json

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+{
+  "name": "@unify-payment/node",
+  "version": "0.0.1",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "scripts": {
+    "build": "npx tsc -b",
+    "dev": "npx tsc -b -w"
+  },
+  "devDependencies": {
+    "@tsconfig/recommended": "^1.0.7",
+    "typescript": "^5.4.5"
+  },
+  "dependencies": {
+    "stripe": "^16.8.0"
+  }
+}

packages/node/src/index.ts

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+export * from "./lib/common";
+export * from "./lib/lemonsqueezy";
+export * from "./lib/stripe";
+export * from "./types/lemonsqueezy";

packages/node/src/lib/common.ts

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+import Stripe from "stripe";
+import { LemonSqueezy, UnifyLemonSqueezy } from "./lemonsqueezy";
+import { UnifyStripe } from "./stripe";
+
+export type UnifyPaymentOptions = {
+  stripe?: Stripe;
+  lemonsqueezy?: LemonSqueezy;
+};
+
+export class UnifyPayment<T extends UnifyPaymentOptions = UnifyPaymentOptions> {
+  stripe: T["stripe"] extends Stripe ? UnifyStripe : undefined;
+
+  lemonsqueezy: T["lemonsqueezy"] extends LemonSqueezy
+    ? UnifyLemonSqueezy
+    : undefined;
+
+  constructor(options: T) {
+    this.stripe = new UnifyStripe(options.stripe!) as T["stripe"] extends Stripe
+      ? UnifyStripe
+      : undefined;
+
+    this.lemonsqueezy = new UnifyLemonSqueezy(
+      options.lemonsqueezy!
+    ) as T["lemonsqueezy"] extends LemonSqueezy ? UnifyLemonSqueezy : undefined;
+  }
+}

packages/node/src/lib/lemonsqueezy.ts

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+import { CheckoutCreateParams } from "../types/lemonsqueezy";
+
+export class LemonSqueezy {
+  constructor(private apiKey: string) {}
+
+  getApiBaseUrl() {
+    return "https://api.lemonsqueezy.com/v1";
+  }
+
+  getApiRequestHeaders() {
+    return {
+      Accept: "application/vnd.api+json",
+      "Content-Type": "application/vnd.api+json",
+      Authorization: `Bearer ${this.apiKey}`,
+    };
+  }
+}
+
+export class UnifyLemonSqueezy {
+  constructor(private lemonSqueezy: LemonSqueezy) {}
+
+  private async fetch(
+    path: string,
+    params?: { method?: string; headers?: HeadersInit; body?: BodyInit }
+  ) {
+    return await fetch(`${this.lemonSqueezy.getApiBaseUrl()}${path}`, {
+      method: params?.method || "GET",
+      headers: this.lemonSqueezy.getApiRequestHeaders(),
+      body: params?.body,
+    });
+  }
+
+  async getCheckoutUrl(body: CheckoutCreateParams) {
+    const req = await this.fetch("/checkouts", {
+      method: "POST",
+      body: JSON.stringify(body),
+    });
+
+    const res = (await req.json()) as
+      | { data: { attributes: { url: string } } }
+      | { errors: [{ detail: string }] };
+
+    if ("errors" in res) {
+      throw new Error(res.errors[0].detail);
+    }
+
+    return res.data.attributes.url;
+  }
+}

packages/node/src/lib/stripe.ts

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+import Stripe from "stripe";
+
+export class UnifyStripe {
+  constructor(private stripe: Stripe) {}
+
+  async getCheckoutUrl(params: Stripe.Checkout.SessionCreateParams) {
+    const session = await this.stripe.checkout.sessions.create(params);
+    if (!session.url) {
+      throw new Error("Failed to get checkout url");
+    }
+
+    return session.url;
+  }
+}

packages/node/src/types/lemonsqueezy.ts

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+export interface CheckoutCreateParams {
+  type: "checkouts";
+  attributes: Attributes;
+  relationships: Relationships;
+}
+
+interface Attributes {
+  custom_price: number;
+  product_options: ProductOptions;
+  checkout_options: CheckoutOptions;
+  checkout_data: CheckoutData;
+  expires_at: string;
+  preview: boolean;
+}
+
+interface ProductOptions {
+  enabled_variants: number[];
+}
+
+interface CheckoutOptions {
+  button_color: string;
+}
+
+interface CheckoutData {
+  discount_code: string;
+  custom: Custom;
+}
+
+interface Custom {
+  user_id: number;
+}
+
+interface Relationships {
+  store: Store;
+  variant: Variant;
+}
+
+interface Store {
+  data: Data;
+}
+
+interface Data {
+  type: string;
+  id: string;
+}
+
+interface Variant {
+  data: Data2;
+}
+
+interface Data2 {
+  type: string;
+  id: string;
+}

packages/node/tsconfig.json

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+{
+  "extends": "@tsconfig/recommended",
+  "compilerOptions": {
+    "declaration": true,
+    "outDir": "dist"
+  },
+  "include": ["src"],
+  "exclude": ["node_modules"]
+}