89 lines
3.8 KiB
JavaScript
89 lines
3.8 KiB
JavaScript
import { isJsonError } from "./types";
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import { mergeSchema } from "./mergeSchema";
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import { resolveIfSchema } from "./features/if";
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import { resolveDependencies } from "./features/dependencies";
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import { mergeAllOfSchema } from "./features/allOf";
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import { mergeValidAnyOfSchema } from "./features/anyOf";
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import { resolveOneOfFuzzy as resolveOneOf } from "./features/oneOf";
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import { omit } from "./utils/omit";
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const toOmit = ["allOf", "anyOf", "oneOf", "dependencies", "if", "then", "else"];
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const dynamicProperties = ["allOf", "anyOf", "oneOf", "dependencies", "if"];
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export function isDynamicSchema(schema) {
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const givenProps = Object.keys(schema);
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return dynamicProperties.findIndex((prop) => givenProps.includes(prop)) !== -1;
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}
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/**
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* @note this utility does not reference draft methods for resolution
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* @todo consider using draft methods
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*
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* Resolves all dynamic schema definitions for the given input data and returns
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* the resulting json-schema without any dynamic schema definitions. The result
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* is not merged with the original input schema, thus static definitions of the
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* input schema are untouched and missing. For a full schema definition of this
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* input data you have to merge the result with the original schema
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* (@see reduceSchema)
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*
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* dynamic schema definitions: dependencies, allOf, anyOf, oneOf, if
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*
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* @returns static schema from resolved dynamic schema definitions for this
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* specific input data
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*/
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export function resolveDynamicSchema(draft, schema, data, pointer) {
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let resolvedSchema;
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let error;
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schema = draft.resolveRef(schema);
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// @feature oneOf
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if (schema.oneOf) {
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const oneOfSchema = resolveOneOf(draft, data, schema, pointer);
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if (isJsonError(oneOfSchema)) {
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error = oneOfSchema;
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}
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else if (oneOfSchema) {
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resolvedSchema = mergeSchema(resolvedSchema !== null && resolvedSchema !== void 0 ? resolvedSchema : {}, oneOfSchema);
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}
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}
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// @feature allOf
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if (Array.isArray(schema.allOf)) {
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const allOf = schema.allOf.map((s) => {
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// before merging allOf schema we need to resolve all subschemas
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// if not, we would wrongly merge oneOf, if-then statements, etc
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if (isDynamicSchema(s)) {
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// copy of reduceSchema
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let result = resolveDynamicSchema(draft, s, data, pointer);
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if (result) {
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result = mergeSchema(s, result);
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return omit(result, ...toOmit);
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}
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return undefined;
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}
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return s;
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});
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if (allOf.length > 0) {
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const allOfSchema = mergeAllOfSchema(draft, { allOf });
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resolvedSchema = mergeSchema(resolvedSchema !== null && resolvedSchema !== void 0 ? resolvedSchema : {}, allOfSchema);
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}
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}
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// @feature anyOf
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const anyOfSchema = mergeValidAnyOfSchema(draft, schema, data);
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if (anyOfSchema) {
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resolvedSchema = mergeSchema(resolvedSchema !== null && resolvedSchema !== void 0 ? resolvedSchema : {}, anyOfSchema);
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}
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// @feature dependencies
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const dependenciesSchema = resolveDependencies(draft, schema, data);
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if (dependenciesSchema) {
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resolvedSchema = mergeSchema(resolvedSchema !== null && resolvedSchema !== void 0 ? resolvedSchema : {}, dependenciesSchema);
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}
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// @feature if-then-else
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const ifSchema = resolveIfSchema(draft, schema, data);
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if (ifSchema) {
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resolvedSchema = mergeSchema(resolvedSchema !== null && resolvedSchema !== void 0 ? resolvedSchema : {}, ifSchema);
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}
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if (resolvedSchema == null) {
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return error;
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}
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const nestedSchema = resolveDynamicSchema(draft, resolvedSchema, data, pointer);
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if (nestedSchema) {
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resolvedSchema = mergeSchema(resolvedSchema, nestedSchema);
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}
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return omit(resolvedSchema, ...toOmit);
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}
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