enum.js 1.7 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. const codegen_1 = require("../../compile/codegen");
  4. const metadata_1 = require("./metadata");
  5. const nullable_1 = require("./nullable");
  6. const error = {
  7. message: "must be equal to one of the allowed values",
  8. params: ({ schemaCode }) => (0, codegen_1._) `{allowedValues: ${schemaCode}}`,
  9. };
  10. const def = {
  11. keyword: "enum",
  12. schemaType: "array",
  13. error,
  14. code(cxt) {
  15. (0, metadata_1.checkMetadata)(cxt);
  16. const { gen, data, schema, schemaValue, parentSchema, it } = cxt;
  17. if (schema.length === 0)
  18. throw new Error("enum must have non-empty array");
  19. if (schema.length !== new Set(schema).size)
  20. throw new Error("enum items must be unique");
  21. let valid;
  22. const isString = (0, codegen_1._) `typeof ${data} == "string"`;
  23. if (schema.length >= it.opts.loopEnum) {
  24. let cond;
  25. [valid, cond] = (0, nullable_1.checkNullable)(cxt, isString);
  26. gen.if(cond, loopEnum);
  27. }
  28. else {
  29. /* istanbul ignore if */
  30. if (!Array.isArray(schema))
  31. throw new Error("ajv implementation error");
  32. valid = (0, codegen_1.and)(isString, (0, codegen_1.or)(...schema.map((value) => (0, codegen_1._) `${data} === ${value}`)));
  33. if (parentSchema.nullable)
  34. valid = (0, codegen_1.or)((0, codegen_1._) `${data} === null`, valid);
  35. }
  36. cxt.pass(valid);
  37. function loopEnum() {
  38. gen.forOf("v", schemaValue, (v) => gen.if((0, codegen_1._) `${valid} = ${data} === ${v}`, () => gen.break()));
  39. }
  40. },
  41. };
  42. exports.default = def;
  43. //# sourceMappingURL=enum.js.map