@graphql-tools/utils
Version:
Common package containing utils and types for GraphQL tools
56 lines (55 loc) • 2.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseInputValueLiteral = exports.parseInputValue = exports.serializeInputValue = exports.transformInputValue = void 0;
const graphql_1 = require("graphql");
function transformInputValue(type, value, inputLeafValueTransformer = null, inputObjectValueTransformer = null) {
if (value == null) {
return value;
}
const nullableType = (0, graphql_1.getNullableType)(type);
if ((0, graphql_1.isLeafType)(nullableType)) {
return inputLeafValueTransformer != null ? inputLeafValueTransformer(nullableType, value) : value;
}
else if ((0, graphql_1.isListType)(nullableType)) {
return value.map((listMember) => transformInputValue(nullableType.ofType, listMember, inputLeafValueTransformer, inputObjectValueTransformer));
}
else if ((0, graphql_1.isInputObjectType)(nullableType)) {
const fields = nullableType.getFields();
const newValue = {};
for (const key in value) {
const field = fields[key];
if (field != null) {
newValue[key] = transformInputValue(field.type, value[key], inputLeafValueTransformer, inputObjectValueTransformer);
}
}
return inputObjectValueTransformer != null ? inputObjectValueTransformer(nullableType, newValue) : newValue;
}
// unreachable, no other possible return value
}
exports.transformInputValue = transformInputValue;
function serializeInputValue(type, value) {
return transformInputValue(type, value, (t, v) => {
try {
return t.serialize(v);
}
catch (_a) {
return v;
}
});
}
exports.serializeInputValue = serializeInputValue;
function parseInputValue(type, value) {
return transformInputValue(type, value, (t, v) => {
try {
return t.parseValue(v);
}
catch (_a) {
return v;
}
});
}
exports.parseInputValue = parseInputValue;
function parseInputValueLiteral(type, value) {
return transformInputValue(type, value, (t, v) => t.parseLiteral(v, {}));
}
exports.parseInputValueLiteral = parseInputValueLiteral;