@graphql-inspector/graphql-loader v5.0.1
GraphQL Inspector outputs a list of changes between two GraphQL schemas. Every change is precisely explained and marked as breaking, non-breaking or dangerous. It helps you validate documents and fragments against a schema and even find similar or duplicated types.
Features
Major features:
- Compares schemas
- Finds breaking or dangerous changes
- Validates documents against a schema
- Finds similar / duplicated types
- Schema coverage based on documents
- Serves a GraphQL server with faked data and GraphQL Playground
- GitHub Bot
- GitHub Actions
- Docker Image
GraphQL Inspector has a CLI and also a programmatic API, so you can use it however you want to and even build tools on top of it.
Installation
# CLI
yarn add @graphql-inspector/cli
# Core API for programmatic usage
yarn add @graphql-inspector/core
Compare schemas
Compares schemas and finds breaking or dangerous changes.
CLI:
$ graphql-inspector diff OLD_SCHEMA NEW_SCHEMA
API:
import {diff, Change} from '@graphql-inspector/core';
const changes: Change[] = diff(schemaA, schemaB);
Find similar types
Finds similar / duplicated types.
CLI:
$ graphql-inspector similar SCHEMA
API:
import {similar, SimilarMap} from '@graphql-inspector/core';
const similar: SimilarMap = similar(schema, typename, threshold);
Check coverage
Schema coverage based on documents. Find out how many times types and fields are used in your application.
CLI:
$ graphql-inspector coverage DOCUMENTS SCHEMA
API:
import {coverage, SchemaCoverage} from '@graphql-inspector/core';
const schemaCoverage: SchemaCoverage = coverage(schema, documents);
Validate documents
Validates documents against a schema and looks for deprecated usage.
CLI:
$ graphql-inspector validate DOCUMENTS SCHEMA
API:
import {validate, InvalidDocument} from '@graphql-inspector/core';
const invalid: InvalidDocument[] = validate(documentsGlob, schema);
Serve faked GraphQL API
Serves a GraphQL server with faked data and GraphQL Playground
CLI:
$ graphql-inspector serve SCHEMA
✅ Serving the GraphQL API on http://localhost:4000/
Introspect GraphQL server
Introspects a GraphQL Server and writes the result to a file
CLI:
$ graphql-inspector introspect SCHEMA --write schema.json
✅ Introspection result saved to schema.json
GitHub Bot and GitHub Actions
Have a per-repository, self-hosted GraphQL Inspector service or deploy it with Docker.
# install
yarn global add @graphql-inspector/actions
# use
$ graphql-inspector-github
{
"name": "app",
"scripts": {
"precommit": "graphql-inspector introspect schema.js --write schema.graphql && git add schema.graphql"
},
"graphql-inspector": {
"diff": true,
"schema": {
"ref": "master",
"path": "schema.graphql"
}
}
}
Get GitHub annotations in your PRs.
CLI in more details
SCHEMA
Path to a CommonJS or ES Module that exports an object
Example:
graphql-inspector coverage ./src/documents.js ./src/schema.js
Example with TypeScript:
graphql-inspector coverage ./src/documents.ts ./src/schema.ts --require ts-node/register
// String
export default `
type Query {
hello: String
}
`
// GraphQLSchema
export default makeExecutableSchema({...});
// GraphQL Document
export default gql`
type Query {
hello: String
}
`
// IntrospectionQuery result
export default {
data: {
__schema: {
...
}
}
}
Pointer to a Git repository
Example:
graphql-inspector diff git:origin/master:schema.graphql ./schema.graphql
Pattern:
git:ref:path/to/file
Pointer to a GitHub repository
Example:
graphql-inspector coverage ./src/documents.ts github:kamilkisiela/graphql-inspector-example#master:schema.graphql
Pattern:
github:owner/name#ref:path/to/file
GraphQL File
Example:
graphql-inspector coverage documents.js schema.graphql
graphql-inspector coverage documents.js schema.gql
JSON File
Example:
graphql-inspector coverage documents.js introspected-schema.json
URL to a GraphQL endpoint
Example:
graphql-inspector coverage documents.js https://localhost:3000/graphql
DOCUMENTS
Glob pattern
Example:
graphql-inspector validate ./src/**/*.{js,jsx,tsx,graphql} https://localhost:3000/graphql
Supports TypeScript, JavaScript and GraphQL Files (Extensions: ts,tsx,js,jsx,graphql,gql,graphqls).
Help
Find out what the CLI is capable of:
graphql-inspector --help
graphql-inspector similar --help
Related
Some part of the library was ported to NodeJS from Ruby's GraphQL Schema Comparator
License
MIT © Kamil Kisiela
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