apollo-codegen
Version:
Generate API code or type annotations based on a GraphQL schema and query documents
72 lines • 3.47 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const change_case_1 = require("change-case");
const Inflector = require("inflected");
const printing_1 = require("../utilities/printing");
const language_1 = require("./language");
const types_1 = require("./types");
const graphql_1 = require("graphql");
function enumCaseName(name) {
return change_case_1.camelCase(name);
}
exports.enumCaseName = enumCaseName;
function operationClassName(name) {
return change_case_1.pascalCase(name);
}
exports.operationClassName = operationClassName;
function structNameForPropertyName(propertyName) {
return change_case_1.pascalCase(Inflector.singularize(propertyName));
}
exports.structNameForPropertyName = structNameForPropertyName;
function structNameForFragmentName(fragmentName) {
return change_case_1.pascalCase(fragmentName);
}
exports.structNameForFragmentName = structNameForFragmentName;
function structNameForInlineFragment(inlineFragment) {
return 'As' + change_case_1.pascalCase(String(inlineFragment.typeCondition));
}
exports.structNameForInlineFragment = structNameForInlineFragment;
function propertyFromField(context, field, namespace) {
const name = field.name || field.responseName;
const unescapedPropertyName = isMetaFieldName(name) ? name : change_case_1.camelCase(name);
const propertyName = language_1.escapeIdentifierIfNeeded(unescapedPropertyName);
const type = field.type;
const isList = type instanceof graphql_1.GraphQLList || type.ofType instanceof graphql_1.GraphQLList;
const isOptional = field.isConditional || !(type instanceof graphql_1.GraphQLNonNull);
const bareType = graphql_1.getNamedType(type);
if (graphql_1.isCompositeType(bareType)) {
const bareTypeName = printing_1.join([
namespace,
language_1.escapeIdentifierIfNeeded(change_case_1.pascalCase(Inflector.singularize(name)))
], '.');
const typeName = types_1.typeNameFromGraphQLType(context, type, bareTypeName, isOptional);
return Object.assign({}, field, { propertyName, typeName, bareTypeName, isOptional, isList, isComposite: true });
}
else {
const typeName = types_1.typeNameFromGraphQLType(context, type, undefined, isOptional);
return Object.assign({}, field, { propertyName, typeName, isOptional, isList, isComposite: false });
}
}
exports.propertyFromField = propertyFromField;
function propertyFromInlineFragment(context, inlineFragment) {
const structName = structNameForInlineFragment(inlineFragment);
const propertyName = change_case_1.camelCase(structName);
const typeName = structName + '?';
return Object.assign({ propertyName, typeName, structName, isComposite: true }, inlineFragment);
}
exports.propertyFromInlineFragment = propertyFromInlineFragment;
function propertyFromFragmentSpread(context, fragmentSpread) {
const fragmentName = fragmentSpread;
const fragment = context.fragments[fragmentName];
if (!fragment) {
throw new graphql_1.GraphQLError(`Cannot find fragment "${fragmentName}"`);
}
const propertyName = change_case_1.camelCase(fragmentName);
const typeName = structNameForFragmentName(fragmentName);
return { propertyName, typeName, fragment, isComposite: true };
}
exports.propertyFromFragmentSpread = propertyFromFragmentSpread;
function isMetaFieldName(name) {
return name.startsWith("__");
}
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