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Diffstat (limited to 'alarm/node_modules/graphql/utilities/astFromValue.mjs')
-rw-r--r-- | alarm/node_modules/graphql/utilities/astFromValue.mjs | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/alarm/node_modules/graphql/utilities/astFromValue.mjs b/alarm/node_modules/graphql/utilities/astFromValue.mjs new file mode 100644 index 0000000..b35fb6c --- /dev/null +++ b/alarm/node_modules/graphql/utilities/astFromValue.mjs @@ -0,0 +1,178 @@ +import isFinite from "../polyfills/isFinite.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 safeArrayFrom from "../jsutils/safeArrayFrom.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; + var items = safeArrayFrom(value); + + if (items != null) { + var valuesNodes = []; + + for (var _i2 = 0; _i2 < items.length; _i2++) { + var item = items[_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 (See: 'https://github.com/graphql/graphql-js/issues/2618') + + + 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), ".")); + } // istanbul ignore next (Not reachable. All possible input types have been considered) + + + false || invariant(0, 'Unexpected input type: ' + inspect(type)); +} +/** + * IntValue: + * - NegativeSign? 0 + * - NegativeSign? NonZeroDigit ( Digit+ )? + */ + +var integerStringRegExp = /^-?(?:0|[1-9][0-9]*)$/; |