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Package graphql-language-service-cli

graphql-language-service-cli

Note: As of 3.0.0, this package has been renamed from graphql-language-service to graphql-language-service-cli. please now use the graphql-lsp bin, instead of the graphql binary.

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GraphQL Language Service provides an interface for building GraphQL language services for IDEs.

Almost 100% for Microsoft's Language Server Protocol is in place

Supported features include:

  • Diagnostics (GraphQL syntax linting/validations) (spec-compliant)
  • Autocomplete suggestions (spec-compliant)
  • Hyperlink to fragment definitions and named types (type, input, enum) definitions (spec-compliant)
  • Outline view support for queries and SDL
  • Symbols support across the workspace

see more information at graphql-language-service-server

Installation and Usage

Dependencies

An LSP-compatible client with a file watcher that sends watch notifications to the server.

DROPPED: GraphQL Language Service no longer depends on Watchman

Only node 9 or greater, and npm or yarn are required dependencies.

Installation

with yarn:

yarn global add graphql-language-service-cli

with npm:

npm i -g graphql-language-service-cli

either will install the graphql-lsp bin globally

GraphQL configuration file (.graphqlrc.yml)

Check out graphql-config

The custom graphql language configurations are:

  • customDirectives - ['@myExampleDirective']
  • customValidationRules - returns rules array with parameter ValidationContext from graphql/validation

Using the command-line interface

graphql-lsp server --schema=localhost:3000

The node executable contains several commands: server and the command-line language service methods (validate, autocomplete, outline).


GraphQL Language Service Command-Line Interface.

Usage: graphql-lsp <command> <file>

[-h | --help][-c | --configdir] {configDir}
[-t | --text] {textBuffer}
[-f | --file] {filePath}
[-s | --schema] {schemaPath}

Options:

-h, --help Show help [boolean]

-t, --text Text buffer to perform GraphQL diagnostics on.
Will defer to --file option if omitted.
Overrides the --file option, if any.
[string]

-f, --file File path to perform GraphQL diagnostics on.
Will be ignored if --text option is supplied.
[string]

--row A row number from the cursor location for GraphQL
autocomplete suggestions.
If omitted, the last row number will be used.
[number]

--column A column number from the cursor location for GraphQL
autocomplete suggestions.
If omitted, the last column number will be used.
[number]

-c, --configDir Path to the .graphqlrc.yml configuration file.
Walks up the directory tree from the provided config
directory, or the current working directory, until a
.graphqlrc is found or the root directory is found.
[string]

-s, --schemaPath a path to schema DSL file
[string]

At least one command is required.
Commands: "server, validate, autocomplete, outline"

Index

Functions

Functions

main

  • main(command: string, argv: {}): void
  • Performs GraphQL language service features with provided arguments from the command-line interface.

    autocomplete: returns GraphQL autocomplete suggestions at the cursor location provided, or at the end of the query text. outline: returns GraphQL query outline information. validate: performs GraphQL query lint/validations and returns the results. Query validation is only performed if a schema path is supplied.

    Parameters

    • command: string
    • argv: {}
      • [key: string]: string

    Returns void

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