| import isFinite from "../polyfills/isFinite.mjs"; |
| import arrayFrom from "../polyfills/arrayFrom.mjs"; |
| import objectValues from "../polyfills/objectValues.mjs"; |
| import inspect from "../jsutils/inspect.mjs"; |
| import invariant from "../jsutils/invariant.mjs"; |
| import isObjectLike from "../jsutils/isObjectLike.mjs"; |
| import isCollection from "../jsutils/isCollection.mjs"; |
| import { Kind } from "../language/kinds.mjs"; |
| import { GraphQLID } from "../type/scalars.mjs"; |
| import { isLeafType, isEnumType, isInputObjectType, isListType, isNonNullType } from "../type/definition.mjs"; |
| /** |
| * Produces a GraphQL Value AST given a JavaScript object. |
| * Function will match JavaScript/JSON values to GraphQL AST schema format |
| * by using suggested GraphQLInputType. For example: |
| * |
| * astFromValue("value", GraphQLString) |
| * |
| * A GraphQL type must be provided, which will be used to interpret different |
| * JavaScript values. |
| * |
| * | JSON Value | GraphQL Value | |
| * | ------------- | -------------------- | |
| * | Object | Input Object | |
| * | Array | List | |
| * | Boolean | Boolean | |
| * | String | String / Enum Value | |
| * | Number | Int / Float | |
| * | Mixed | Enum Value | |
| * | null | NullValue | |
| * |
| */ |
| |
| export function astFromValue(value, type) { |
| if (isNonNullType(type)) { |
| var astValue = astFromValue(value, type.ofType); |
| |
| if ((astValue === null || astValue === void 0 ? void 0 : astValue.kind) === Kind.NULL) { |
| return null; |
| } |
| |
| return astValue; |
| } // only explicit null, not undefined, NaN |
| |
| |
| if (value === null) { |
| return { |
| kind: Kind.NULL |
| }; |
| } // undefined |
| |
| |
| if (value === undefined) { |
| return null; |
| } // Convert JavaScript array to GraphQL list. If the GraphQLType is a list, but |
| // the value is not an array, convert the value using the list's item type. |
| |
| |
| if (isListType(type)) { |
| var itemType = type.ofType; |
| |
| if (isCollection(value)) { |
| var valuesNodes = []; // Since we transpile for-of in loose mode it doesn't support iterators |
| // and it's required to first convert iteratable into array |
| |
| for (var _i2 = 0, _arrayFrom2 = arrayFrom(value); _i2 < _arrayFrom2.length; _i2++) { |
| var item = _arrayFrom2[_i2]; |
| var itemNode = astFromValue(item, itemType); |
| |
| if (itemNode != null) { |
| valuesNodes.push(itemNode); |
| } |
| } |
| |
| return { |
| kind: Kind.LIST, |
| values: valuesNodes |
| }; |
| } |
| |
| return astFromValue(value, itemType); |
| } // Populate the fields of the input object by creating ASTs from each value |
| // in the JavaScript object according to the fields in the input type. |
| |
| |
| if (isInputObjectType(type)) { |
| if (!isObjectLike(value)) { |
| return null; |
| } |
| |
| var fieldNodes = []; |
| |
| for (var _i4 = 0, _objectValues2 = objectValues(type.getFields()); _i4 < _objectValues2.length; _i4++) { |
| var field = _objectValues2[_i4]; |
| var fieldValue = astFromValue(value[field.name], field.type); |
| |
| if (fieldValue) { |
| fieldNodes.push({ |
| kind: Kind.OBJECT_FIELD, |
| name: { |
| kind: Kind.NAME, |
| value: field.name |
| }, |
| value: fieldValue |
| }); |
| } |
| } |
| |
| return { |
| kind: Kind.OBJECT, |
| fields: fieldNodes |
| }; |
| } |
| |
| /* istanbul ignore else */ |
| if (isLeafType(type)) { |
| // Since value is an internally represented value, it must be serialized |
| // to an externally represented value before converting into an AST. |
| var serialized = type.serialize(value); |
| |
| if (serialized == null) { |
| return null; |
| } // Others serialize based on their corresponding JavaScript scalar types. |
| |
| |
| if (typeof serialized === 'boolean') { |
| return { |
| kind: Kind.BOOLEAN, |
| value: serialized |
| }; |
| } // JavaScript numbers can be Int or Float values. |
| |
| |
| if (typeof serialized === 'number' && isFinite(serialized)) { |
| var stringNum = String(serialized); |
| return integerStringRegExp.test(stringNum) ? { |
| kind: Kind.INT, |
| value: stringNum |
| } : { |
| kind: Kind.FLOAT, |
| value: stringNum |
| }; |
| } |
| |
| if (typeof serialized === 'string') { |
| // Enum types use Enum literals. |
| if (isEnumType(type)) { |
| return { |
| kind: Kind.ENUM, |
| value: serialized |
| }; |
| } // ID types can use Int literals. |
| |
| |
| if (type === GraphQLID && integerStringRegExp.test(serialized)) { |
| return { |
| kind: Kind.INT, |
| value: serialized |
| }; |
| } |
| |
| return { |
| kind: Kind.STRING, |
| value: serialized |
| }; |
| } |
| |
| throw new TypeError("Cannot convert value to AST: ".concat(inspect(serialized), ".")); |
| } // Not reachable. All possible input types have been considered. |
| |
| |
| /* istanbul ignore next */ |
| invariant(false, 'Unexpected input type: ' + inspect(type)); |
| } |
| /** |
| * IntValue: |
| * - NegativeSign? 0 |
| * - NegativeSign? NonZeroDigit ( Digit+ )? |
| */ |
| |
| var integerStringRegExp = /^-?(?:0|[1-9][0-9]*)$/; |