From 208340aa5225714b22716c351f712593102e3585 Mon Sep 17 00:00:00 2001
From: Tushar Mathur <tusharmath@gmail.com>
Date: Fri, 8 Mar 2024 14:05:37 +0530
Subject: [PATCH] add conventions

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+---
+title: Naming Conventions
+description: Enhance your understanding of naming and casing conventions for GraphQL schema to ensure clarity and consistency in your schema design using Tailcall.
+---
+
+## General Naming Principles
+
+1. **Consistency is Key:** Ensure that naming conventions are uniform across your entire schema to maintain clarity and consistency.
+2. **Descriptive Over Generic:** Opt for descriptive, specific names rather than broad, generic ones to avoid ambiguity.
+3. **Avoid Abbreviations:** Avoid the use of acronyms, initialisms, and abbreviations to keep your schema intuitive and understandable.
+
+## Detailed Naming Cases
+
+### Fields, Arguments, and Directives
+
+**Adopt `camelCase`:** Utilize `camelCase` for field names, argument names, and directive names to achieve a clear, consistent structure.
+
+```graphql
+type Query {
+  postTitle(userId: Int): String
+}
+
+directive @includeIf on FIELD
+```
+
+### Types
+
+**Prefer `PascalCase`:** Use `PascalCase` for defining types, enabling easy identification and differentiation.
+
+```graphql
+type Post { ... }
+enum StatusEnum { ... }
+interface UserInterface { ... }
+union SearchResult = ...
+scalar Date
+```
+
+**Enum Values in `SCREAMING_SNAKE_CASE`:** Clearly distinguish enum values by using `SCREAMING_SNAKE_CASE`.
+
+```graphql
+enum StatusEnum {
+  PUBLISHED
+  DRAFT
+}
+```
+
+## Field Naming Best Practices
+
+### Queries
+
+**Avoid `get` or `list` Prefixes:** Refrain from using prefixes like `get` or `list` in your query names to ensure predictability and consistency.
+
+```graphql
+type Query {
+  # 👎 Avoid
+  getPosts: [Post]
+
+  # 👍 Prefer
+  posts: [Post]
+}
+```
+
+Maintain consistency between root and nested fields:
+
+```graphql
+# 👎 Avoid
+query PostQuery {
+  getPosts {
+    id
+    getUser {
+      name
+    }
+  }
+}
+
+# 👍 Prefer
+query PostQuery {
+  posts {
+    id
+    user {
+      name
+    }
+  }
+}
+```
+
+### Mutations
+
+**Verb Prefixes for Mutations:** Begin mutation field names with a verb to clearly indicate the action being performed, improving schema readability.
+
+```graphql
+type Mutation {
+  # 👎 Avoid
+  postAdd(input: AddPostInput): AddPostPayload!
+
+  # 👍 Prefer
+  addPost(input: AddPostInput): AddPostPayload!
+}
+```
+
+## Type Naming Conventions
+
+### Input Types
+
+**`Input` Suffix:** Clearly denote input types by appending `Input` to their names, specifying their use case.
+
+```graphql
+input AddPostInput {
+  title: String!
+  body: String!
+  userId: Int!
+}
+```
+
+### Output Types
+
+**`Response` or `Payload` Suffix:** Use a consistent suffix like `Response` or `Payload` for the output types resulting from mutations.
+
+```graphql
+type Mutation {
+  addPost(input: AddPostInput!): AddPostResponse!
+}
+
+type AddPostResponse {
+  success: Boolean!
+  post: Post
+}
+```
+
+## Advanced Naming Strategies
+
+### Resolving Namespace Conflicts
+
+For addressing naming conflicts across different domains within your schema:
+
+**Use `PascalCase` Prefix:** Distinguish similar types from distinct domains for clear separation without resorting to underscores. This method ensures a cleaner, more professional look while maintaining the integrity and readability of your schema.
+
+```graphql
+type BlogPost { ... }
+type ForumPost { ... }
+```
+
+## Conclusion
+
+Implementing a consistent, descriptive, and intuitive naming convention is crucial for developing an understandable and maintainable GraphQL schema. By following the best practices outlined you can improve the clarity and effectiveness of your schema.