github-pages-deploy-action/node_modules/graphql/utilities/printSchema.mjs
2020-03-06 22:45:40 -05:00

260 lines
8.1 KiB
JavaScript

import objectValues from "../polyfills/objectValues.mjs";
import inspect from "../jsutils/inspect.mjs";
import invariant from "../jsutils/invariant.mjs";
import { print } from "../language/printer.mjs";
import { printBlockString } from "../language/blockString.mjs";
import { isIntrospectionType } from "../type/introspection.mjs";
import { GraphQLString, isSpecifiedScalarType } from "../type/scalars.mjs";
import { GraphQLDirective, DEFAULT_DEPRECATION_REASON, isSpecifiedDirective } from "../type/directives.mjs";
import { isScalarType, isObjectType, isInterfaceType, isUnionType, isEnumType, isInputObjectType } from "../type/definition.mjs";
import { astFromValue } from "./astFromValue.mjs";
/**
* Accepts options as a second argument:
*
* - commentDescriptions:
* Provide true to use preceding comments as the description.
*
*/
export function printSchema(schema, options) {
return printFilteredSchema(schema, function (n) {
return !isSpecifiedDirective(n);
}, isDefinedType, options);
}
export function printIntrospectionSchema(schema, options) {
return printFilteredSchema(schema, isSpecifiedDirective, isIntrospectionType, options);
}
function isDefinedType(type) {
return !isSpecifiedScalarType(type) && !isIntrospectionType(type);
}
function printFilteredSchema(schema, directiveFilter, typeFilter, options) {
var directives = schema.getDirectives().filter(directiveFilter);
var types = objectValues(schema.getTypeMap()).filter(typeFilter);
return [printSchemaDefinition(schema)].concat(directives.map(function (directive) {
return printDirective(directive, options);
}), types.map(function (type) {
return printType(type, options);
})).filter(Boolean).join('\n\n') + '\n';
}
function printSchemaDefinition(schema) {
if (schema.description == null && isSchemaOfCommonNames(schema)) {
return;
}
var operationTypes = [];
var queryType = schema.getQueryType();
if (queryType) {
operationTypes.push(" query: ".concat(queryType.name));
}
var mutationType = schema.getMutationType();
if (mutationType) {
operationTypes.push(" mutation: ".concat(mutationType.name));
}
var subscriptionType = schema.getSubscriptionType();
if (subscriptionType) {
operationTypes.push(" subscription: ".concat(subscriptionType.name));
}
return printDescription({}, schema) + "schema {\n".concat(operationTypes.join('\n'), "\n}");
}
/**
* GraphQL schema define root types for each type of operation. These types are
* the same as any other type and can be named in any manner, however there is
* a common naming convention:
*
* schema {
* query: Query
* mutation: Mutation
* }
*
* When using this naming convention, the schema description can be omitted.
*/
function isSchemaOfCommonNames(schema) {
var queryType = schema.getQueryType();
if (queryType && queryType.name !== 'Query') {
return false;
}
var mutationType = schema.getMutationType();
if (mutationType && mutationType.name !== 'Mutation') {
return false;
}
var subscriptionType = schema.getSubscriptionType();
if (subscriptionType && subscriptionType.name !== 'Subscription') {
return false;
}
return true;
}
export function printType(type, options) {
if (isScalarType(type)) {
return printScalar(type, options);
}
if (isObjectType(type)) {
return printObject(type, options);
}
if (isInterfaceType(type)) {
return printInterface(type, options);
}
if (isUnionType(type)) {
return printUnion(type, options);
}
if (isEnumType(type)) {
return printEnum(type, options);
}
/* istanbul ignore else */
if (isInputObjectType(type)) {
return printInputObject(type, options);
} // Not reachable. All possible types have been considered.
/* istanbul ignore next */
invariant(false, 'Unexpected type: ' + inspect(type));
}
function printScalar(type, options) {
return printDescription(options, type) + "scalar ".concat(type.name);
}
function printImplementedInterfaces(type) {
var interfaces = type.getInterfaces();
return interfaces.length ? ' implements ' + interfaces.map(function (i) {
return i.name;
}).join(' & ') : '';
}
function printObject(type, options) {
return printDescription(options, type) + "type ".concat(type.name) + printImplementedInterfaces(type) + printFields(options, type);
}
function printInterface(type, options) {
return printDescription(options, type) + "interface ".concat(type.name) + printImplementedInterfaces(type) + printFields(options, type);
}
function printUnion(type, options) {
var types = type.getTypes();
var possibleTypes = types.length ? ' = ' + types.join(' | ') : '';
return printDescription(options, type) + 'union ' + type.name + possibleTypes;
}
function printEnum(type, options) {
var values = type.getValues().map(function (value, i) {
return printDescription(options, value, ' ', !i) + ' ' + value.name + printDeprecated(value);
});
return printDescription(options, type) + "enum ".concat(type.name) + printBlock(values);
}
function printInputObject(type, options) {
var fields = objectValues(type.getFields()).map(function (f, i) {
return printDescription(options, f, ' ', !i) + ' ' + printInputValue(f);
});
return printDescription(options, type) + "input ".concat(type.name) + printBlock(fields);
}
function printFields(options, type) {
var fields = objectValues(type.getFields()).map(function (f, i) {
return printDescription(options, f, ' ', !i) + ' ' + f.name + printArgs(options, f.args, ' ') + ': ' + String(f.type) + printDeprecated(f);
});
return printBlock(fields);
}
function printBlock(items) {
return items.length !== 0 ? ' {\n' + items.join('\n') + '\n}' : '';
}
function printArgs(options, args) {
var indentation = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
if (args.length === 0) {
return '';
} // If every arg does not have a description, print them on one line.
if (args.every(function (arg) {
return !arg.description;
})) {
return '(' + args.map(printInputValue).join(', ') + ')';
}
return '(\n' + args.map(function (arg, i) {
return printDescription(options, arg, ' ' + indentation, !i) + ' ' + indentation + printInputValue(arg);
}).join('\n') + '\n' + indentation + ')';
}
function printInputValue(arg) {
var defaultAST = astFromValue(arg.defaultValue, arg.type);
var argDecl = arg.name + ': ' + String(arg.type);
if (defaultAST) {
argDecl += " = ".concat(print(defaultAST));
}
return argDecl;
}
function printDirective(directive, options) {
return printDescription(options, directive) + 'directive @' + directive.name + printArgs(options, directive.args) + (directive.isRepeatable ? ' repeatable' : '') + ' on ' + directive.locations.join(' | ');
}
function printDeprecated(fieldOrEnumVal) {
if (!fieldOrEnumVal.isDeprecated) {
return '';
}
var reason = fieldOrEnumVal.deprecationReason;
var reasonAST = astFromValue(reason, GraphQLString);
if (reasonAST && reason !== DEFAULT_DEPRECATION_REASON) {
return ' @deprecated(reason: ' + print(reasonAST) + ')';
}
return ' @deprecated';
}
function printDescription(options, def) {
var indentation = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
var firstInBlock = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
var description = def.description;
if (description == null) {
return '';
}
if ((options === null || options === void 0 ? void 0 : options.commentDescriptions) === true) {
return printDescriptionWithComments(description, indentation, firstInBlock);
}
var preferMultipleLines = description.length > 70;
var blockString = printBlockString(description, '', preferMultipleLines);
var prefix = indentation && !firstInBlock ? '\n' + indentation : indentation;
return prefix + blockString.replace(/\n/g, '\n' + indentation) + '\n';
}
function printDescriptionWithComments(description, indentation, firstInBlock) {
var prefix = indentation && !firstInBlock ? '\n' : '';
var comment = description.split('\n').map(function (line) {
return indentation + (line !== '' ? '# ' + line : '#');
}).join('\n');
return prefix + comment + '\n';
}