initial update
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jackbeeby
338
node_modules/graphql/utilities/printSchema.js
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338
node_modules/graphql/utilities/printSchema.js
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true,
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});
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exports.printIntrospectionSchema = printIntrospectionSchema;
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exports.printSchema = printSchema;
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exports.printType = printType;
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var _inspect = require('../jsutils/inspect.js');
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var _invariant = require('../jsutils/invariant.js');
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var _blockString = require('../language/blockString.js');
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var _kinds = require('../language/kinds.js');
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var _printer = require('../language/printer.js');
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var _definition = require('../type/definition.js');
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var _directives = require('../type/directives.js');
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var _introspection = require('../type/introspection.js');
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var _scalars = require('../type/scalars.js');
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var _astFromValue = require('./astFromValue.js');
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function printSchema(schema) {
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return printFilteredSchema(
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schema,
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(n) => !(0, _directives.isSpecifiedDirective)(n),
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isDefinedType,
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);
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}
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function printIntrospectionSchema(schema) {
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return printFilteredSchema(
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schema,
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_directives.isSpecifiedDirective,
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_introspection.isIntrospectionType,
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);
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}
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function isDefinedType(type) {
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return (
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!(0, _scalars.isSpecifiedScalarType)(type) &&
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!(0, _introspection.isIntrospectionType)(type)
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);
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}
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function printFilteredSchema(schema, directiveFilter, typeFilter) {
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const directives = schema.getDirectives().filter(directiveFilter);
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const types = Object.values(schema.getTypeMap()).filter(typeFilter);
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return [
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printSchemaDefinition(schema),
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...directives.map((directive) => printDirective(directive)),
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...types.map((type) => printType(type)),
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]
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.filter(Boolean)
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.join('\n\n');
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}
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function printSchemaDefinition(schema) {
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if (schema.description == null && isSchemaOfCommonNames(schema)) {
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return;
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}
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const operationTypes = [];
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const queryType = schema.getQueryType();
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if (queryType) {
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operationTypes.push(` query: ${queryType.name}`);
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}
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const mutationType = schema.getMutationType();
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if (mutationType) {
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operationTypes.push(` mutation: ${mutationType.name}`);
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}
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const subscriptionType = schema.getSubscriptionType();
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if (subscriptionType) {
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operationTypes.push(` subscription: ${subscriptionType.name}`);
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}
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return printDescription(schema) + `schema {\n${operationTypes.join('\n')}\n}`;
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}
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/**
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* GraphQL schema define root types for each type of operation. These types are
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* the same as any other type and can be named in any manner, however there is
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* a common naming convention:
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*
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* ```graphql
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* schema {
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* query: Query
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* mutation: Mutation
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* subscription: Subscription
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* }
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* ```
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*
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* When using this naming convention, the schema description can be omitted.
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*/
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function isSchemaOfCommonNames(schema) {
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const queryType = schema.getQueryType();
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if (queryType && queryType.name !== 'Query') {
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return false;
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}
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const mutationType = schema.getMutationType();
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if (mutationType && mutationType.name !== 'Mutation') {
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return false;
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}
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const subscriptionType = schema.getSubscriptionType();
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if (subscriptionType && subscriptionType.name !== 'Subscription') {
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return false;
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}
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return true;
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}
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function printType(type) {
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if ((0, _definition.isScalarType)(type)) {
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return printScalar(type);
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}
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if ((0, _definition.isObjectType)(type)) {
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return printObject(type);
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}
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if ((0, _definition.isInterfaceType)(type)) {
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return printInterface(type);
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}
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if ((0, _definition.isUnionType)(type)) {
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return printUnion(type);
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}
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if ((0, _definition.isEnumType)(type)) {
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return printEnum(type);
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}
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if ((0, _definition.isInputObjectType)(type)) {
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return printInputObject(type);
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}
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/* c8 ignore next 3 */
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// Not reachable, all possible types have been considered.
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false ||
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(0, _invariant.invariant)(
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false,
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'Unexpected type: ' + (0, _inspect.inspect)(type),
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);
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}
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function printScalar(type) {
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return (
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printDescription(type) + `scalar ${type.name}` + printSpecifiedByURL(type)
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);
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}
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function printImplementedInterfaces(type) {
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const interfaces = type.getInterfaces();
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return interfaces.length
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? ' implements ' + interfaces.map((i) => i.name).join(' & ')
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: '';
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}
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function printObject(type) {
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return (
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printDescription(type) +
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`type ${type.name}` +
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printImplementedInterfaces(type) +
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printFields(type)
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);
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}
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function printInterface(type) {
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return (
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printDescription(type) +
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`interface ${type.name}` +
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printImplementedInterfaces(type) +
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printFields(type)
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);
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}
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function printUnion(type) {
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const types = type.getTypes();
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const possibleTypes = types.length ? ' = ' + types.join(' | ') : '';
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return printDescription(type) + 'union ' + type.name + possibleTypes;
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}
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function printEnum(type) {
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const values = type
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.getValues()
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.map(
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(value, i) =>
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printDescription(value, ' ', !i) +
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' ' +
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value.name +
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printDeprecated(value.deprecationReason),
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);
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return printDescription(type) + `enum ${type.name}` + printBlock(values);
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}
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function printInputObject(type) {
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const fields = Object.values(type.getFields()).map(
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(f, i) => printDescription(f, ' ', !i) + ' ' + printInputValue(f),
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);
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return (
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printDescription(type) +
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`input ${type.name}` +
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(type.isOneOf ? ' @oneOf' : '') +
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printBlock(fields)
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);
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}
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function printFields(type) {
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const fields = Object.values(type.getFields()).map(
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(f, i) =>
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printDescription(f, ' ', !i) +
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' ' +
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f.name +
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printArgs(f.args, ' ') +
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': ' +
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String(f.type) +
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printDeprecated(f.deprecationReason),
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);
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return printBlock(fields);
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}
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function printBlock(items) {
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return items.length !== 0 ? ' {\n' + items.join('\n') + '\n}' : '';
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}
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function printArgs(args, indentation = '') {
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if (args.length === 0) {
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return '';
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} // If every arg does not have a description, print them on one line.
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if (args.every((arg) => !arg.description)) {
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return '(' + args.map(printInputValue).join(', ') + ')';
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}
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return (
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'(\n' +
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args
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.map(
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(arg, i) =>
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printDescription(arg, ' ' + indentation, !i) +
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' ' +
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indentation +
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printInputValue(arg),
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)
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.join('\n') +
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'\n' +
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indentation +
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')'
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);
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}
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function printInputValue(arg) {
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const defaultAST = (0, _astFromValue.astFromValue)(
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arg.defaultValue,
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arg.type,
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);
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let argDecl = arg.name + ': ' + String(arg.type);
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if (defaultAST) {
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argDecl += ` = ${(0, _printer.print)(defaultAST)}`;
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}
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return argDecl + printDeprecated(arg.deprecationReason);
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}
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function printDirective(directive) {
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return (
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printDescription(directive) +
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'directive @' +
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directive.name +
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printArgs(directive.args) +
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(directive.isRepeatable ? ' repeatable' : '') +
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' on ' +
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directive.locations.join(' | ')
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);
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}
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function printDeprecated(reason) {
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if (reason == null) {
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return '';
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}
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if (reason !== _directives.DEFAULT_DEPRECATION_REASON) {
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const astValue = (0, _printer.print)({
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kind: _kinds.Kind.STRING,
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value: reason,
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});
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return ` @deprecated(reason: ${astValue})`;
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}
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return ' @deprecated';
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}
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function printSpecifiedByURL(scalar) {
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if (scalar.specifiedByURL == null) {
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return '';
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}
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const astValue = (0, _printer.print)({
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kind: _kinds.Kind.STRING,
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value: scalar.specifiedByURL,
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});
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return ` @specifiedBy(url: ${astValue})`;
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}
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function printDescription(def, indentation = '', firstInBlock = true) {
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const { description } = def;
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if (description == null) {
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return '';
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}
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const blockString = (0, _printer.print)({
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kind: _kinds.Kind.STRING,
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value: description,
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block: (0, _blockString.isPrintableAsBlockString)(description),
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});
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const prefix =
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indentation && !firstInBlock ? '\n' + indentation : indentation;
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return prefix + blockString.replace(/\n/g, '\n' + indentation) + '\n';
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}
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