graphql/validation/rules/UniqueDirectiveNamesRule.mjs.map

A Query Language and Runtime which can target any service.

{"version":3,"file":"UniqueDirectiveNamesRule.js","sourceRoot":"","sources":["../../../src/validation/rules/UniqueDirectiveNamesRule.ts"],"names":[],"mappings":"AAEA,OAAO,EAAE,YAAY,EAAE,qCAAoC;AAgC3D,MAAM,UAAU,wBAAwB,CACtC,OAA6B;IAE7B,MAAM,mBAAmB,GAAG,IAAI,GAAG,EAAoB,CAAC;IACxD,MAAM,MAAM,GAAG,OAAO,CAAC,SAAS,EAAE,CAAC;IAEnC,OAAO;QACL,mBAAmB,CAAC,IAAI;YACtB,MAAM,aAAa,GAAG,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC;YAEtC,IAAI,MAAM,EAAE,YAAY,CAAC,aAAa,CAAC,EAAE,CAAC;gBACxC,OAAO,CAAC,WAAW,CACjB,IAAI,YAAY,CACd,eAAe,aAAa,yDAAyD,EACrF,EAAE,KAAK,EAAE,IAAI,CAAC,IAAI,EAAE,CACrB,CACF,CAAC;gBACF,OAAO;YACT,CAAC;YAED,MAAM,SAAS,GAAG,mBAAmB,CAAC,GAAG,CAAC,aAAa,CAAC,CAAC;YACzD,IAAI,SAAS,EAAE,CAAC;gBACd,OAAO,CAAC,WAAW,CACjB,IAAI,YAAY,CACd,2CAA2C,aAAa,IAAI,EAC5D,EAAE,KAAK,EAAE,CAAC,SAAS,EAAE,IAAI,CAAC,IAAI,CAAC,EAAE,CAClC,CACF,CAAC;YACJ,CAAC;iBAAM,CAAC;gBACN,mBAAmB,CAAC,GAAG,CAAC,aAAa,EAAE,IAAI,CAAC,IAAI,CAAC,CAAC;YACpD,CAAC;YAED,OAAO,KAAK,CAAC;QACf,CAAC;KACF,CAAC;AACJ,CAAC","sourcesContent":["/** @category Validation Rules */\n\nimport { GraphQLError } from '../../error/GraphQLError.ts';\n\nimport type { NameNode } from '../../language/ast.ts';\nimport type { ASTVisitor } from '../../language/visitor.ts';\n\nimport type { SDLValidationContext } from '../ValidationContext.ts';\n\n/**\n * Unique directive names\n *\n * A GraphQL document is only valid if all defined directives have unique names.\n * @param context - The validation context used while checking the document.\n * @returns A visitor that reports validation errors for this rule.\n * @example\n * ```ts\n * import { buildSchema } from 'graphql';\n * import { UniqueDirectiveNamesRule } from 'graphql/validation';\n *\n * const invalidSDL = `\n *   directive @tag on FIELD directive @tag on QUERY type Query { name: String }\n * `;\n *\n * UniqueDirectiveNamesRule.name; // => 'UniqueDirectiveNamesRule'\n * buildSchema(invalidSDL); // throws an error\n *\n * const validSDL = `\n *   directive @tag on FIELD type Query { name: String }\n * `;\n *\n * buildSchema(validSDL); // does not throw\n * ```\n */\nexport function UniqueDirectiveNamesRule(\n  context: SDLValidationContext,\n): ASTVisitor {\n  const knownDirectiveNames = new Map<string, NameNode>();\n  const schema = context.getSchema();\n\n  return {\n    DirectiveDefinition(node) {\n      const directiveName = node.name.value;\n\n      if (schema?.getDirective(directiveName)) {\n        context.reportError(\n          new GraphQLError(\n            `Directive \"@${directiveName}\" already exists in the schema. It cannot be redefined.`,\n            { nodes: node.name },\n          ),\n        );\n        return;\n      }\n\n      const knownName = knownDirectiveNames.get(directiveName);\n      if (knownName) {\n        context.reportError(\n          new GraphQLError(\n            `There can be only one directive named \"@${directiveName}\".`,\n            { nodes: [knownName, node.name] },\n          ),\n        );\n      } else {\n        knownDirectiveNames.set(directiveName, node.name);\n      }\n\n      return false;\n    },\n  };\n}\n"]}