| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | const codegen_1 = require("../../compile/codegen");
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| 4 | const types_1 = require("../discriminator/types");
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| 5 | const compile_1 = require("../../compile");
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| 6 | const ref_error_1 = require("../../compile/ref_error");
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| 7 | const util_1 = require("../../compile/util");
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| 8 | const error = {
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| 9 | message: ({ params: { discrError, tagName } }) => discrError === types_1.DiscrError.Tag
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| 10 | ? `tag "${tagName}" must be string`
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| 11 | : `value of tag "${tagName}" must be in oneOf`,
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| 12 | params: ({ params: { discrError, tag, tagName } }) => (0, codegen_1._) `{error: ${discrError}, tag: ${tagName}, tagValue: ${tag}}`,
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| 13 | };
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| 14 | const def = {
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| 15 | keyword: "discriminator",
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| 16 | type: "object",
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| 17 | schemaType: "object",
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| 18 | error,
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| 19 | code(cxt) {
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| 20 | const { gen, data, schema, parentSchema, it } = cxt;
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| 21 | const { oneOf } = parentSchema;
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| 22 | if (!it.opts.discriminator) {
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| 23 | throw new Error("discriminator: requires discriminator option");
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| 24 | }
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| 25 | const tagName = schema.propertyName;
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| 26 | if (typeof tagName != "string")
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| 27 | throw new Error("discriminator: requires propertyName");
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| 28 | if (schema.mapping)
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| 29 | throw new Error("discriminator: mapping is not supported");
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| 30 | if (!oneOf)
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| 31 | throw new Error("discriminator: requires oneOf keyword");
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| 32 | const valid = gen.let("valid", false);
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| 33 | const tag = gen.const("tag", (0, codegen_1._) `${data}${(0, codegen_1.getProperty)(tagName)}`);
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| 34 | gen.if((0, codegen_1._) `typeof ${tag} == "string"`, () => validateMapping(), () => cxt.error(false, { discrError: types_1.DiscrError.Tag, tag, tagName }));
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| 35 | cxt.ok(valid);
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| 36 | function validateMapping() {
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| 37 | const mapping = getMapping();
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| 38 | gen.if(false);
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| 39 | for (const tagValue in mapping) {
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| 40 | gen.elseIf((0, codegen_1._) `${tag} === ${tagValue}`);
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| 41 | gen.assign(valid, applyTagSchema(mapping[tagValue]));
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| 42 | }
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| 43 | gen.else();
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| 44 | cxt.error(false, { discrError: types_1.DiscrError.Mapping, tag, tagName });
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| 45 | gen.endIf();
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| 46 | }
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| 47 | function applyTagSchema(schemaProp) {
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| 48 | const _valid = gen.name("valid");
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| 49 | const schCxt = cxt.subschema({ keyword: "oneOf", schemaProp }, _valid);
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| 50 | cxt.mergeEvaluated(schCxt, codegen_1.Name);
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| 51 | return _valid;
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| 52 | }
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| 53 | function getMapping() {
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| 54 | var _a;
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| 55 | const oneOfMapping = {};
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| 56 | const topRequired = hasRequired(parentSchema);
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| 57 | let tagRequired = true;
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| 58 | for (let i = 0; i < oneOf.length; i++) {
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| 59 | let sch = oneOf[i];
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| 60 | if ((sch === null || sch === void 0 ? void 0 : sch.$ref) && !(0, util_1.schemaHasRulesButRef)(sch, it.self.RULES)) {
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| 61 | const ref = sch.$ref;
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| 62 | sch = compile_1.resolveRef.call(it.self, it.schemaEnv.root, it.baseId, ref);
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| 63 | if (sch instanceof compile_1.SchemaEnv)
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| 64 | sch = sch.schema;
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| 65 | if (sch === undefined)
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| 66 | throw new ref_error_1.default(it.opts.uriResolver, it.baseId, ref);
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| 67 | }
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| 68 | const propSch = (_a = sch === null || sch === void 0 ? void 0 : sch.properties) === null || _a === void 0 ? void 0 : _a[tagName];
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| 69 | if (typeof propSch != "object") {
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| 70 | throw new Error(`discriminator: oneOf subschemas (or referenced schemas) must have "properties/${tagName}"`);
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| 71 | }
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| 72 | tagRequired = tagRequired && (topRequired || hasRequired(sch));
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| 73 | addMappings(propSch, i);
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| 74 | }
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| 75 | if (!tagRequired)
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| 76 | throw new Error(`discriminator: "${tagName}" must be required`);
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| 77 | return oneOfMapping;
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| 78 | function hasRequired({ required }) {
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| 79 | return Array.isArray(required) && required.includes(tagName);
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| 80 | }
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| 81 | function addMappings(sch, i) {
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| 82 | if (sch.const) {
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| 83 | addMapping(sch.const, i);
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| 84 | }
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| 85 | else if (sch.enum) {
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| 86 | for (const tagValue of sch.enum) {
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| 87 | addMapping(tagValue, i);
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| 88 | }
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| 89 | }
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| 90 | else {
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| 91 | throw new Error(`discriminator: "properties/${tagName}" must have "const" or "enum"`);
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| 92 | }
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| 93 | }
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| 94 | function addMapping(tagValue, i) {
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| 95 | if (typeof tagValue != "string" || tagValue in oneOfMapping) {
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| 96 | throw new Error(`discriminator: "${tagName}" values must be unique strings`);
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| 97 | }
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| 98 | oneOfMapping[tagValue] = i;
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| 99 | }
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| 100 | }
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| 101 | },
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| 102 | };
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| 103 | exports.default = def;
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| 104 | //# sourceMappingURL=index.js.map |
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