MessagesForMacintosh/JS/node_modules/graphql/utilities/extendSchema.js

720 lines
26 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.extendSchema = extendSchema;
exports.extendSchemaImpl = extendSchemaImpl;
exports.getDescription = getDescription;
var _objectValues = _interopRequireDefault(require("../polyfills/objectValues.js"));
var _keyMap = _interopRequireDefault(require("../jsutils/keyMap.js"));
var _inspect = _interopRequireDefault(require("../jsutils/inspect.js"));
var _mapValue = _interopRequireDefault(require("../jsutils/mapValue.js"));
var _invariant = _interopRequireDefault(require("../jsutils/invariant.js"));
var _devAssert = _interopRequireDefault(require("../jsutils/devAssert.js"));
var _kinds = require("../language/kinds.js");
var _tokenKind = require("../language/tokenKind.js");
var _blockString = require("../language/blockString.js");
var _predicates = require("../language/predicates.js");
var _validate = require("../validation/validate.js");
var _values = require("../execution/values.js");
var _schema = require("../type/schema.js");
var _scalars = require("../type/scalars.js");
var _introspection = require("../type/introspection.js");
var _directives = require("../type/directives.js");
var _definition = require("../type/definition.js");
var _valueFromAST = require("./valueFromAST.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
/**
* Produces a new schema given an existing schema and a document which may
* contain GraphQL type extensions and definitions. The original schema will
* remain unaltered.
*
* Because a schema represents a graph of references, a schema cannot be
* extended without effectively making an entire copy. We do not know until it's
* too late if subgraphs remain unchanged.
*
* This algorithm copies the provided schema, applying extensions while
* producing the copy. The original schema remains unaltered.
*
* Accepts options as a third argument:
*
* - commentDescriptions:
* Provide true to use preceding comments as the description.
*
*/
function extendSchema(schema, documentAST, options) {
(0, _schema.assertSchema)(schema);
documentAST != null && documentAST.kind === _kinds.Kind.DOCUMENT || (0, _devAssert.default)(0, 'Must provide valid Document AST.');
if ((options === null || options === void 0 ? void 0 : options.assumeValid) !== true && (options === null || options === void 0 ? void 0 : options.assumeValidSDL) !== true) {
(0, _validate.assertValidSDLExtension)(documentAST, schema);
}
var schemaConfig = schema.toConfig();
var extendedConfig = extendSchemaImpl(schemaConfig, documentAST, options);
return schemaConfig === extendedConfig ? schema : new _schema.GraphQLSchema(extendedConfig);
}
/**
* @internal
*/
function extendSchemaImpl(schemaConfig, documentAST, options) {
var _schemaDef, _schemaDef$descriptio, _schemaDef2, _options$assumeValid;
// Collect the type definitions and extensions found in the document.
var typeDefs = [];
var typeExtensionsMap = Object.create(null); // New directives and types are separate because a directives and types can
// have the same name. For example, a type named "skip".
var directiveDefs = [];
var schemaDef; // Schema extensions are collected which may add additional operation types.
var schemaExtensions = [];
for (var _i2 = 0, _documentAST$definiti2 = documentAST.definitions; _i2 < _documentAST$definiti2.length; _i2++) {
var def = _documentAST$definiti2[_i2];
if (def.kind === _kinds.Kind.SCHEMA_DEFINITION) {
schemaDef = def;
} else if (def.kind === _kinds.Kind.SCHEMA_EXTENSION) {
schemaExtensions.push(def);
} else if ((0, _predicates.isTypeDefinitionNode)(def)) {
typeDefs.push(def);
} else if ((0, _predicates.isTypeExtensionNode)(def)) {
var extendedTypeName = def.name.value;
var existingTypeExtensions = typeExtensionsMap[extendedTypeName];
typeExtensionsMap[extendedTypeName] = existingTypeExtensions ? existingTypeExtensions.concat([def]) : [def];
} else if (def.kind === _kinds.Kind.DIRECTIVE_DEFINITION) {
directiveDefs.push(def);
}
} // If this document contains no new types, extensions, or directives then
// return the same unmodified GraphQLSchema instance.
if (Object.keys(typeExtensionsMap).length === 0 && typeDefs.length === 0 && directiveDefs.length === 0 && schemaExtensions.length === 0 && schemaDef == null) {
return schemaConfig;
}
var typeMap = Object.create(null);
for (var _i4 = 0, _schemaConfig$types2 = schemaConfig.types; _i4 < _schemaConfig$types2.length; _i4++) {
var existingType = _schemaConfig$types2[_i4];
typeMap[existingType.name] = extendNamedType(existingType);
}
for (var _i6 = 0; _i6 < typeDefs.length; _i6++) {
var _stdTypeMap$name;
var typeNode = typeDefs[_i6];
var name = typeNode.name.value;
typeMap[name] = (_stdTypeMap$name = stdTypeMap[name]) !== null && _stdTypeMap$name !== void 0 ? _stdTypeMap$name : buildType(typeNode);
}
var operationTypes = _objectSpread(_objectSpread({
// Get the extended root operation types.
query: schemaConfig.query && replaceNamedType(schemaConfig.query),
mutation: schemaConfig.mutation && replaceNamedType(schemaConfig.mutation),
subscription: schemaConfig.subscription && replaceNamedType(schemaConfig.subscription)
}, schemaDef && getOperationTypes([schemaDef])), getOperationTypes(schemaExtensions)); // Then produce and return a Schema config with these types.
return _objectSpread(_objectSpread({
description: (_schemaDef = schemaDef) === null || _schemaDef === void 0 ? void 0 : (_schemaDef$descriptio = _schemaDef.description) === null || _schemaDef$descriptio === void 0 ? void 0 : _schemaDef$descriptio.value
}, operationTypes), {}, {
types: (0, _objectValues.default)(typeMap),
directives: [].concat(schemaConfig.directives.map(replaceDirective), directiveDefs.map(buildDirective)),
extensions: undefined,
astNode: (_schemaDef2 = schemaDef) !== null && _schemaDef2 !== void 0 ? _schemaDef2 : schemaConfig.astNode,
extensionASTNodes: schemaConfig.extensionASTNodes.concat(schemaExtensions),
assumeValid: (_options$assumeValid = options === null || options === void 0 ? void 0 : options.assumeValid) !== null && _options$assumeValid !== void 0 ? _options$assumeValid : false
}); // Below are functions used for producing this schema that have closed over
// this scope and have access to the schema, cache, and newly defined types.
function replaceType(type) {
if ((0, _definition.isListType)(type)) {
// $FlowFixMe[incompatible-return]
return new _definition.GraphQLList(replaceType(type.ofType));
}
if ((0, _definition.isNonNullType)(type)) {
// $FlowFixMe[incompatible-return]
return new _definition.GraphQLNonNull(replaceType(type.ofType));
}
return replaceNamedType(type);
}
function replaceNamedType(type) {
// Note: While this could make early assertions to get the correctly
// typed values, that would throw immediately while type system
// validation with validateSchema() will produce more actionable results.
return typeMap[type.name];
}
function replaceDirective(directive) {
var config = directive.toConfig();
return new _directives.GraphQLDirective(_objectSpread(_objectSpread({}, config), {}, {
args: (0, _mapValue.default)(config.args, extendArg)
}));
}
function extendNamedType(type) {
if ((0, _introspection.isIntrospectionType)(type) || (0, _scalars.isSpecifiedScalarType)(type)) {
// Builtin types are not extended.
return type;
}
if ((0, _definition.isScalarType)(type)) {
return extendScalarType(type);
}
if ((0, _definition.isObjectType)(type)) {
return extendObjectType(type);
}
if ((0, _definition.isInterfaceType)(type)) {
return extendInterfaceType(type);
}
if ((0, _definition.isUnionType)(type)) {
return extendUnionType(type);
}
if ((0, _definition.isEnumType)(type)) {
return extendEnumType(type);
} // istanbul ignore else (See: 'https://github.com/graphql/graphql-js/issues/2618')
if ((0, _definition.isInputObjectType)(type)) {
return extendInputObjectType(type);
} // istanbul ignore next (Not reachable. All possible types have been considered)
false || (0, _invariant.default)(0, 'Unexpected type: ' + (0, _inspect.default)(type));
}
function extendInputObjectType(type) {
var _typeExtensionsMap$co;
var config = type.toConfig();
var extensions = (_typeExtensionsMap$co = typeExtensionsMap[config.name]) !== null && _typeExtensionsMap$co !== void 0 ? _typeExtensionsMap$co : [];
return new _definition.GraphQLInputObjectType(_objectSpread(_objectSpread({}, config), {}, {
fields: function fields() {
return _objectSpread(_objectSpread({}, (0, _mapValue.default)(config.fields, function (field) {
return _objectSpread(_objectSpread({}, field), {}, {
type: replaceType(field.type)
});
})), buildInputFieldMap(extensions));
},
extensionASTNodes: config.extensionASTNodes.concat(extensions)
}));
}
function extendEnumType(type) {
var _typeExtensionsMap$ty;
var config = type.toConfig();
var extensions = (_typeExtensionsMap$ty = typeExtensionsMap[type.name]) !== null && _typeExtensionsMap$ty !== void 0 ? _typeExtensionsMap$ty : [];
return new _definition.GraphQLEnumType(_objectSpread(_objectSpread({}, config), {}, {
values: _objectSpread(_objectSpread({}, config.values), buildEnumValueMap(extensions)),
extensionASTNodes: config.extensionASTNodes.concat(extensions)
}));
}
function extendScalarType(type) {
var _typeExtensionsMap$co2;
var config = type.toConfig();
var extensions = (_typeExtensionsMap$co2 = typeExtensionsMap[config.name]) !== null && _typeExtensionsMap$co2 !== void 0 ? _typeExtensionsMap$co2 : [];
var specifiedByUrl = config.specifiedByUrl;
for (var _i8 = 0; _i8 < extensions.length; _i8++) {
var _getSpecifiedByUrl;
var extensionNode = extensions[_i8];
specifiedByUrl = (_getSpecifiedByUrl = getSpecifiedByUrl(extensionNode)) !== null && _getSpecifiedByUrl !== void 0 ? _getSpecifiedByUrl : specifiedByUrl;
}
return new _definition.GraphQLScalarType(_objectSpread(_objectSpread({}, config), {}, {
specifiedByUrl: specifiedByUrl,
extensionASTNodes: config.extensionASTNodes.concat(extensions)
}));
}
function extendObjectType(type) {
var _typeExtensionsMap$co3;
var config = type.toConfig();
var extensions = (_typeExtensionsMap$co3 = typeExtensionsMap[config.name]) !== null && _typeExtensionsMap$co3 !== void 0 ? _typeExtensionsMap$co3 : [];
return new _definition.GraphQLObjectType(_objectSpread(_objectSpread({}, config), {}, {
interfaces: function interfaces() {
return [].concat(type.getInterfaces().map(replaceNamedType), buildInterfaces(extensions));
},
fields: function fields() {
return _objectSpread(_objectSpread({}, (0, _mapValue.default)(config.fields, extendField)), buildFieldMap(extensions));
},
extensionASTNodes: config.extensionASTNodes.concat(extensions)
}));
}
function extendInterfaceType(type) {
var _typeExtensionsMap$co4;
var config = type.toConfig();
var extensions = (_typeExtensionsMap$co4 = typeExtensionsMap[config.name]) !== null && _typeExtensionsMap$co4 !== void 0 ? _typeExtensionsMap$co4 : [];
return new _definition.GraphQLInterfaceType(_objectSpread(_objectSpread({}, config), {}, {
interfaces: function interfaces() {
return [].concat(type.getInterfaces().map(replaceNamedType), buildInterfaces(extensions));
},
fields: function fields() {
return _objectSpread(_objectSpread({}, (0, _mapValue.default)(config.fields, extendField)), buildFieldMap(extensions));
},
extensionASTNodes: config.extensionASTNodes.concat(extensions)
}));
}
function extendUnionType(type) {
var _typeExtensionsMap$co5;
var config = type.toConfig();
var extensions = (_typeExtensionsMap$co5 = typeExtensionsMap[config.name]) !== null && _typeExtensionsMap$co5 !== void 0 ? _typeExtensionsMap$co5 : [];
return new _definition.GraphQLUnionType(_objectSpread(_objectSpread({}, config), {}, {
types: function types() {
return [].concat(type.getTypes().map(replaceNamedType), buildUnionTypes(extensions));
},
extensionASTNodes: config.extensionASTNodes.concat(extensions)
}));
}
function extendField(field) {
return _objectSpread(_objectSpread({}, field), {}, {
type: replaceType(field.type),
// $FlowFixMe[incompatible-call]
args: (0, _mapValue.default)(field.args, extendArg)
});
}
function extendArg(arg) {
return _objectSpread(_objectSpread({}, arg), {}, {
type: replaceType(arg.type)
});
}
function getOperationTypes(nodes) {
var opTypes = {};
for (var _i10 = 0; _i10 < nodes.length; _i10++) {
var _node$operationTypes;
var node = nodes[_i10];
// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2203')
var operationTypesNodes = (_node$operationTypes = node.operationTypes) !== null && _node$operationTypes !== void 0 ? _node$operationTypes : [];
for (var _i12 = 0; _i12 < operationTypesNodes.length; _i12++) {
var operationType = operationTypesNodes[_i12];
opTypes[operationType.operation] = getNamedType(operationType.type);
}
} // Note: While this could make early assertions to get the correctly
// typed values below, that would throw immediately while type system
// validation with validateSchema() will produce more actionable results.
return opTypes;
}
function getNamedType(node) {
var _stdTypeMap$name2;
var name = node.name.value;
var type = (_stdTypeMap$name2 = stdTypeMap[name]) !== null && _stdTypeMap$name2 !== void 0 ? _stdTypeMap$name2 : typeMap[name];
if (type === undefined) {
throw new Error("Unknown type: \"".concat(name, "\"."));
}
return type;
}
function getWrappedType(node) {
if (node.kind === _kinds.Kind.LIST_TYPE) {
return new _definition.GraphQLList(getWrappedType(node.type));
}
if (node.kind === _kinds.Kind.NON_NULL_TYPE) {
return new _definition.GraphQLNonNull(getWrappedType(node.type));
}
return getNamedType(node);
}
function buildDirective(node) {
var locations = node.locations.map(function (_ref) {
var value = _ref.value;
return value;
});
return new _directives.GraphQLDirective({
name: node.name.value,
description: getDescription(node, options),
locations: locations,
isRepeatable: node.repeatable,
args: buildArgumentMap(node.arguments),
astNode: node
});
}
function buildFieldMap(nodes) {
var fieldConfigMap = Object.create(null);
for (var _i14 = 0; _i14 < nodes.length; _i14++) {
var _node$fields;
var node = nodes[_i14];
// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2203')
var nodeFields = (_node$fields = node.fields) !== null && _node$fields !== void 0 ? _node$fields : [];
for (var _i16 = 0; _i16 < nodeFields.length; _i16++) {
var field = nodeFields[_i16];
fieldConfigMap[field.name.value] = {
// Note: While this could make assertions to get the correctly typed
// value, that would throw immediately while type system validation
// with validateSchema() will produce more actionable results.
type: getWrappedType(field.type),
description: getDescription(field, options),
args: buildArgumentMap(field.arguments),
deprecationReason: getDeprecationReason(field),
astNode: field
};
}
}
return fieldConfigMap;
}
function buildArgumentMap(args) {
// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2203')
var argsNodes = args !== null && args !== void 0 ? args : [];
var argConfigMap = Object.create(null);
for (var _i18 = 0; _i18 < argsNodes.length; _i18++) {
var arg = argsNodes[_i18];
// Note: While this could make assertions to get the correctly typed
// value, that would throw immediately while type system validation
// with validateSchema() will produce more actionable results.
var type = getWrappedType(arg.type);
argConfigMap[arg.name.value] = {
type: type,
description: getDescription(arg, options),
defaultValue: (0, _valueFromAST.valueFromAST)(arg.defaultValue, type),
deprecationReason: getDeprecationReason(arg),
astNode: arg
};
}
return argConfigMap;
}
function buildInputFieldMap(nodes) {
var inputFieldMap = Object.create(null);
for (var _i20 = 0; _i20 < nodes.length; _i20++) {
var _node$fields2;
var node = nodes[_i20];
// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2203')
var fieldsNodes = (_node$fields2 = node.fields) !== null && _node$fields2 !== void 0 ? _node$fields2 : [];
for (var _i22 = 0; _i22 < fieldsNodes.length; _i22++) {
var field = fieldsNodes[_i22];
// Note: While this could make assertions to get the correctly typed
// value, that would throw immediately while type system validation
// with validateSchema() will produce more actionable results.
var type = getWrappedType(field.type);
inputFieldMap[field.name.value] = {
type: type,
description: getDescription(field, options),
defaultValue: (0, _valueFromAST.valueFromAST)(field.defaultValue, type),
deprecationReason: getDeprecationReason(field),
astNode: field
};
}
}
return inputFieldMap;
}
function buildEnumValueMap(nodes) {
var enumValueMap = Object.create(null);
for (var _i24 = 0; _i24 < nodes.length; _i24++) {
var _node$values;
var node = nodes[_i24];
// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2203')
var valuesNodes = (_node$values = node.values) !== null && _node$values !== void 0 ? _node$values : [];
for (var _i26 = 0; _i26 < valuesNodes.length; _i26++) {
var value = valuesNodes[_i26];
enumValueMap[value.name.value] = {
description: getDescription(value, options),
deprecationReason: getDeprecationReason(value),
astNode: value
};
}
}
return enumValueMap;
}
function buildInterfaces(nodes) {
var interfaces = [];
for (var _i28 = 0; _i28 < nodes.length; _i28++) {
var _node$interfaces;
var node = nodes[_i28];
// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2203')
var interfacesNodes = (_node$interfaces = node.interfaces) !== null && _node$interfaces !== void 0 ? _node$interfaces : [];
for (var _i30 = 0; _i30 < interfacesNodes.length; _i30++) {
var type = interfacesNodes[_i30];
// Note: While this could make assertions to get the correctly typed
// values below, that would throw immediately while type system
// validation with validateSchema() will produce more actionable
// results.
interfaces.push(getNamedType(type));
}
}
return interfaces;
}
function buildUnionTypes(nodes) {
var types = [];
for (var _i32 = 0; _i32 < nodes.length; _i32++) {
var _node$types;
var node = nodes[_i32];
// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2203')
var typeNodes = (_node$types = node.types) !== null && _node$types !== void 0 ? _node$types : [];
for (var _i34 = 0; _i34 < typeNodes.length; _i34++) {
var type = typeNodes[_i34];
// Note: While this could make assertions to get the correctly typed
// values below, that would throw immediately while type system
// validation with validateSchema() will produce more actionable
// results.
types.push(getNamedType(type));
}
}
return types;
}
function buildType(astNode) {
var _typeExtensionsMap$na;
var name = astNode.name.value;
var description = getDescription(astNode, options);
var extensionNodes = (_typeExtensionsMap$na = typeExtensionsMap[name]) !== null && _typeExtensionsMap$na !== void 0 ? _typeExtensionsMap$na : [];
switch (astNode.kind) {
case _kinds.Kind.OBJECT_TYPE_DEFINITION:
{
var extensionASTNodes = extensionNodes;
var allNodes = [astNode].concat(extensionASTNodes);
return new _definition.GraphQLObjectType({
name: name,
description: description,
interfaces: function interfaces() {
return buildInterfaces(allNodes);
},
fields: function fields() {
return buildFieldMap(allNodes);
},
astNode: astNode,
extensionASTNodes: extensionASTNodes
});
}
case _kinds.Kind.INTERFACE_TYPE_DEFINITION:
{
var _extensionASTNodes = extensionNodes;
var _allNodes = [astNode].concat(_extensionASTNodes);
return new _definition.GraphQLInterfaceType({
name: name,
description: description,
interfaces: function interfaces() {
return buildInterfaces(_allNodes);
},
fields: function fields() {
return buildFieldMap(_allNodes);
},
astNode: astNode,
extensionASTNodes: _extensionASTNodes
});
}
case _kinds.Kind.ENUM_TYPE_DEFINITION:
{
var _extensionASTNodes2 = extensionNodes;
var _allNodes2 = [astNode].concat(_extensionASTNodes2);
return new _definition.GraphQLEnumType({
name: name,
description: description,
values: buildEnumValueMap(_allNodes2),
astNode: astNode,
extensionASTNodes: _extensionASTNodes2
});
}
case _kinds.Kind.UNION_TYPE_DEFINITION:
{
var _extensionASTNodes3 = extensionNodes;
var _allNodes3 = [astNode].concat(_extensionASTNodes3);
return new _definition.GraphQLUnionType({
name: name,
description: description,
types: function types() {
return buildUnionTypes(_allNodes3);
},
astNode: astNode,
extensionASTNodes: _extensionASTNodes3
});
}
case _kinds.Kind.SCALAR_TYPE_DEFINITION:
{
var _extensionASTNodes4 = extensionNodes;
return new _definition.GraphQLScalarType({
name: name,
description: description,
specifiedByUrl: getSpecifiedByUrl(astNode),
astNode: astNode,
extensionASTNodes: _extensionASTNodes4
});
}
case _kinds.Kind.INPUT_OBJECT_TYPE_DEFINITION:
{
var _extensionASTNodes5 = extensionNodes;
var _allNodes4 = [astNode].concat(_extensionASTNodes5);
return new _definition.GraphQLInputObjectType({
name: name,
description: description,
fields: function fields() {
return buildInputFieldMap(_allNodes4);
},
astNode: astNode,
extensionASTNodes: _extensionASTNodes5
});
}
} // istanbul ignore next (Not reachable. All possible type definition nodes have been considered)
false || (0, _invariant.default)(0, 'Unexpected type definition node: ' + (0, _inspect.default)(astNode));
}
}
var stdTypeMap = (0, _keyMap.default)(_scalars.specifiedScalarTypes.concat(_introspection.introspectionTypes), function (type) {
return type.name;
});
/**
* Given a field or enum value node, returns the string value for the
* deprecation reason.
*/
function getDeprecationReason(node) {
var deprecated = (0, _values.getDirectiveValues)(_directives.GraphQLDeprecatedDirective, node);
return deprecated === null || deprecated === void 0 ? void 0 : deprecated.reason;
}
/**
* Given a scalar node, returns the string value for the specifiedByUrl.
*/
function getSpecifiedByUrl(node) {
var specifiedBy = (0, _values.getDirectiveValues)(_directives.GraphQLSpecifiedByDirective, node);
return specifiedBy === null || specifiedBy === void 0 ? void 0 : specifiedBy.url;
}
/**
* Given an ast node, returns its string description.
* @deprecated: provided to ease adoption and will be removed in v16.
*
* Accepts options as a second argument:
*
* - commentDescriptions:
* Provide true to use preceding comments as the description.
*
*/
function getDescription(node, options) {
if (node.description) {
return node.description.value;
}
if ((options === null || options === void 0 ? void 0 : options.commentDescriptions) === true) {
var rawValue = getLeadingCommentBlock(node);
if (rawValue !== undefined) {
return (0, _blockString.dedentBlockStringValue)('\n' + rawValue);
}
}
}
function getLeadingCommentBlock(node) {
var loc = node.loc;
if (!loc) {
return;
}
var comments = [];
var token = loc.startToken.prev;
while (token != null && token.kind === _tokenKind.TokenKind.COMMENT && token.next && token.prev && token.line + 1 === token.next.line && token.line !== token.prev.line) {
var value = String(token.value);
comments.push(value);
token = token.prev;
}
return comments.length > 0 ? comments.reverse().join('\n') : undefined;
}