You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.4 KiB
53 lines
1.4 KiB
4 months ago
|
'use strict';
|
||
|
|
||
|
Object.defineProperty(exports, '__esModule', {
|
||
|
value: true,
|
||
|
});
|
||
|
exports.NoUndefinedVariablesRule = NoUndefinedVariablesRule;
|
||
|
|
||
|
var _GraphQLError = require('../../error/GraphQLError.js');
|
||
|
|
||
|
/**
|
||
|
* No undefined variables
|
||
|
*
|
||
|
* A GraphQL operation is only valid if all variables encountered, both directly
|
||
|
* and via fragment spreads, are defined by that operation.
|
||
|
*
|
||
|
* See https://spec.graphql.org/draft/#sec-All-Variable-Uses-Defined
|
||
|
*/
|
||
|
function NoUndefinedVariablesRule(context) {
|
||
|
let variableNameDefined = Object.create(null);
|
||
|
return {
|
||
|
OperationDefinition: {
|
||
|
enter() {
|
||
|
variableNameDefined = Object.create(null);
|
||
|
},
|
||
|
|
||
|
leave(operation) {
|
||
|
const usages = context.getRecursiveVariableUsages(operation);
|
||
|
|
||
|
for (const { node } of usages) {
|
||
|
const varName = node.name.value;
|
||
|
|
||
|
if (variableNameDefined[varName] !== true) {
|
||
|
context.reportError(
|
||
|
new _GraphQLError.GraphQLError(
|
||
|
operation.name
|
||
|
? `Variable "$${varName}" is not defined by operation "${operation.name.value}".`
|
||
|
: `Variable "$${varName}" is not defined.`,
|
||
|
{
|
||
|
nodes: [node, operation],
|
||
|
},
|
||
|
),
|
||
|
);
|
||
|
}
|
||
|
}
|
||
|
},
|
||
|
},
|
||
|
|
||
|
VariableDefinition(node) {
|
||
|
variableNameDefined[node.variable.name.value] = true;
|
||
|
},
|
||
|
};
|
||
|
}
|