@aws-amplify/graphql-api-construct
Version:
AppSync GraphQL Api Construct using Amplify GraphQL Transformer.
69 lines (53 loc) • 2.18 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.valueFromASTUntyped = valueFromASTUntyped;
var _inspect = _interopRequireDefault(require("../jsutils/inspect.js"));
var _invariant = _interopRequireDefault(require("../jsutils/invariant.js"));
var _keyValMap = _interopRequireDefault(require("../jsutils/keyValMap.js"));
var _kinds = require("../language/kinds.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Produces a JavaScript value given a GraphQL Value AST.
*
* Unlike `valueFromAST()`, no type is provided. The resulting JavaScript value
* will reflect the provided GraphQL value AST.
*
* | GraphQL Value | JavaScript Value |
* | -------------------- | ---------------- |
* | Input Object | Object |
* | List | Array |
* | Boolean | Boolean |
* | String / Enum | String |
* | Int / Float | Number |
* | Null | null |
*
*/
function valueFromASTUntyped(valueNode, variables) {
switch (valueNode.kind) {
case _kinds.Kind.NULL:
return null;
case _kinds.Kind.INT:
return parseInt(valueNode.value, 10);
case _kinds.Kind.FLOAT:
return parseFloat(valueNode.value);
case _kinds.Kind.STRING:
case _kinds.Kind.ENUM:
case _kinds.Kind.BOOLEAN:
return valueNode.value;
case _kinds.Kind.LIST:
return valueNode.values.map(function (node) {
return valueFromASTUntyped(node, variables);
});
case _kinds.Kind.OBJECT:
return (0, _keyValMap.default)(valueNode.fields, function (field) {
return field.name.value;
}, function (field) {
return valueFromASTUntyped(field.value, variables);
});
case _kinds.Kind.VARIABLE:
return variables === null || variables === void 0 ? void 0 : variables[valueNode.name.value];
} // istanbul ignore next (Not reachable. All possible value nodes have been considered)
false || (0, _invariant.default)(0, 'Unexpected value node: ' + (0, _inspect.default)(valueNode));
}