super-graph/internal/serv/web/build/static/media/getDefinition.js.4dbec62f.flow

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2020-04-11 08:45:06 +02:00
/**
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {
ASTNode,
FragmentSpreadNode,
FragmentDefinitionNode,
OperationDefinitionNode,
NamedTypeNode,
TypeDefinitionNode,
} from 'graphql';
import type {
Definition,
DefinitionQueryResult,
FragmentInfo,
Position,
Range,
Uri,
ObjectTypeInfo,
} from 'graphql-language-service-types';
import {locToRange, offsetToPosition} from 'graphql-language-service-utils';
import invariant from 'assert';
export const LANGUAGE = 'GraphQL';
function getRange(text: string, node: ASTNode): Range {
const location = node.loc;
invariant(location, 'Expected ASTNode to have a location.');
return locToRange(text, location);
}
function getPosition(text: string, node: ASTNode): Position {
const location = node.loc;
invariant(location, 'Expected ASTNode to have a location.');
return offsetToPosition(text, location.start);
}
export async function getDefinitionQueryResultForNamedType(
text: string,
node: NamedTypeNode,
dependencies: Array<ObjectTypeInfo>,
): Promise<DefinitionQueryResult> {
const name = node.name.value;
const defNodes = dependencies.filter(
({definition}) => definition.name && definition.name.value === name,
);
if (defNodes.length === 0) {
process.stderr.write(`Definition not found for GraphQL type ${name}`);
return {queryRange: [], definitions: []};
}
const definitions: Array<Definition> = defNodes.map(
({filePath, content, definition}) =>
getDefinitionForNodeDefinition(filePath || '', content, definition),
);
return {
definitions,
queryRange: definitions.map(_ => getRange(text, node)),
};
}
export async function getDefinitionQueryResultForFragmentSpread(
text: string,
fragment: FragmentSpreadNode,
dependencies: Array<FragmentInfo>,
): Promise<DefinitionQueryResult> {
const name = fragment.name.value;
const defNodes = dependencies.filter(
({definition}) => definition.name.value === name,
);
if (defNodes.length === 0) {
process.stderr.write(`Definition not found for GraphQL fragment ${name}`);
return {queryRange: [], definitions: []};
}
const definitions: Array<Definition> = defNodes.map(
({filePath, content, definition}) =>
getDefinitionForFragmentDefinition(filePath || '', content, definition),
);
return {
definitions,
queryRange: definitions.map(_ => getRange(text, fragment)),
};
}
export function getDefinitionQueryResultForDefinitionNode(
path: Uri,
text: string,
definition: FragmentDefinitionNode | OperationDefinitionNode,
): DefinitionQueryResult {
return {
definitions: [getDefinitionForFragmentDefinition(path, text, definition)],
queryRange: definition.name ? [getRange(text, definition.name)] : [],
};
}
function getDefinitionForFragmentDefinition(
path: Uri,
text: string,
definition: FragmentDefinitionNode | OperationDefinitionNode,
): Definition {
const name = definition.name;
invariant(name, 'Expected ASTNode to have a Name.');
return {
path,
position: getPosition(text, definition),
range: getRange(text, definition),
name: name.value || '',
language: LANGUAGE,
// This is a file inside the project root, good enough for now
projectRoot: path,
};
}
function getDefinitionForNodeDefinition(
path: Uri,
text: string,
definition: TypeDefinitionNode,
): Definition {
const name = definition.name;
invariant(name, 'Expected ASTNode to have a Name.');
return {
path,
position: getPosition(text, definition),
range: getRange(text, definition),
name: name.value || '',
language: LANGUAGE,
// This is a file inside the project root, good enough for now
projectRoot: path,
};
}