Add Support for JSON Schema Draft-04 Keywords

src/error-handlers/draft-04/dependencies.js

@@ -0,0 +1,47 @@
+import { getSchema } from "@hyperjump/json-schema/experimental";
+import { getErrors } from "../../json-schema-errors.js";
+import * as Schema from "@hyperjump/browser";
+import * as Instance from "@hyperjump/json-schema/instance/experimental";
+
+/**
+ * @import { ErrorHandler, ErrorObject, NormalizedOutput } from "../../index.d.ts"
+ */
+
+/** @type ErrorHandler */
+const dependenciesErrorHandler = async (normalizedErrors, instance, localization) => {
+  /** @type ErrorObject[] */
+  const errors = [];
+
+  for (const schemaLocation in normalizedErrors["https://json-schema.org/keyword/draft-04/dependencies"]) {
+    if (typeof normalizedErrors["https://json-schema.org/keyword/draft-04/dependencies"][schemaLocation] === "boolean") {
+      continue;
+    }
+
+    const outputs = normalizedErrors["https://json-schema.org/keyword/draft-04/dependencies"][schemaLocation];
+    for (const output of outputs) {
+      const result = await getErrors(output, instance, localization);
+      errors.push(...result);
+    }
+
+    const dependencies = await getSchema(schemaLocation);
+    for await (const [property, dependency] of Schema.entries(dependencies)) {
+      if (!Instance.has(property, instance)) {
+        continue;
+      }
+
+      if (Schema.typeOf(dependency) === "array") {
+        const dependentRequired = /** @type {string[]} */ (Schema.value(dependency));
+        const missing = dependentRequired.filter((required) => !Instance.has(required, instance));
+        errors.push({
+          message: localization.getRequiredErrorMessage(missing),
+          instanceLocation: Instance.uri(instance),
+          schemaLocations: [schemaLocation]
+        });
+      }
+    }
+  }
+
+  return errors;
+};
+
+export default dependenciesErrorHandler;

src/error-handlers/draft-04/maximum.js

@@ -0,0 +1,52 @@
+import { getSchema } from "@hyperjump/json-schema/experimental";
+import * as Schema from "@hyperjump/browser";
+import * as Instance from "@hyperjump/json-schema/instance/experimental";
+
+/**
+ * @import { ErrorHandler, ErrorObject } from "../../index.d.ts"
+ */
+
+/** @type ErrorHandler */
+const maximumErrorHandler = async (normalizedErrors, instance, localization) => {
+  /** @type ErrorObject[] */
+  const errors = [];
+
+  for (const schemaLocation in normalizedErrors["https://json-schema.org/keyword/draft-04/maximum"]) {
+    if (normalizedErrors["https://json-schema.org/keyword/draft-04/maximum"][schemaLocation]) {
+      continue;
+    }
+
+    const compiled = await getSchema(schemaLocation);
+    const maximum = /** @type number */ (Schema.value(compiled));
+
+    const parentLocation = schemaLocation.replace(/\/[^/]+$/, "");
+
+    let exclusive = false;
+    for (const exclusiveLocation in normalizedErrors["https://json-schema.org/keyword/draft-04/exclusiveMaximum"]) {
+      const exclusiveParentLocation = exclusiveLocation.replace(/\/[^/]+$/, "");
+      if (exclusiveParentLocation === parentLocation) {
+        const exclusiveCompiled = await getSchema(exclusiveLocation);
+        exclusive = /** @type boolean */ (Schema.value(exclusiveCompiled));
+        break;
+      }
+    }
+
+    if (exclusive) {
+      errors.push({
+        message: localization.getExclusiveMaximumErrorMessage(maximum),
+        instanceLocation: Instance.uri(instance),
+        schemaLocations: [schemaLocation]
+      });
+    } else {
+      errors.push({
+        message: localization.getMaximumErrorMessage(maximum),
+        instanceLocation: Instance.uri(instance),
+        schemaLocations: [schemaLocation]
+      });
+    }
+  }
+
+  return errors;
+};
+
+export default maximumErrorHandler;

src/error-handlers/draft-04/minimum.js

@@ -0,0 +1,52 @@
+import { getSchema } from "@hyperjump/json-schema/experimental";
+import * as Schema from "@hyperjump/browser";
+import * as Instance from "@hyperjump/json-schema/instance/experimental";
+
+/**
+ * @import { ErrorHandler, ErrorObject } from "../../index.d.ts"
+ */
+
+/** @type ErrorHandler */
+const minimumErrorHandler = async (normalizedErrors, instance, localization) => {
+  /** @type ErrorObject[] */
+  const errors = [];
+
+  for (const schemaLocation in normalizedErrors["https://json-schema.org/keyword/draft-04/minimum"]) {
+    if (normalizedErrors["https://json-schema.org/keyword/draft-04/minimum"][schemaLocation]) {
+      continue;
+    }
+
+    const compiled = await getSchema(schemaLocation);
+    const minimum = /** @type number */ (Schema.value(compiled));
+
+    const parentLocation = schemaLocation.replace(/\/[^/]+$/, "");
+
+    let exclusive = false;
+    for (const exclusiveLocation in normalizedErrors["https://json-schema.org/keyword/draft-04/exclusiveMinimum"]) {
+      const exclusiveParentLocation = exclusiveLocation.replace(/\/[^/]+$/, "");
+      if (exclusiveParentLocation === parentLocation) {
+        const exclusiveCompiled = await getSchema(exclusiveLocation);
+        exclusive = /** @type boolean */ (Schema.value(exclusiveCompiled));
+        break;
+      }
+    }
+
+    if (exclusive) {
+      errors.push({
+        message: localization.getExclusiveMinimumErrorMessage(minimum),
+        instanceLocation: Instance.uri(instance),
+        schemaLocations: [schemaLocation]
+      });
+    } else {
+      errors.push({
+        message: localization.getMinimumErrorMessage(minimum),
+        instanceLocation: Instance.uri(instance),
+        schemaLocations: [schemaLocation]
+      });
+    }
+  }
+
+  return errors;
+};
+
+export default minimumErrorHandler;

src/hyperjump-json-schema.test.js

@@ -10,6 +10,7 @@ import "@hyperjump/json-schema/formats";
 import { BASIC } from "@hyperjump/json-schema/experimental";
 import { jsonSchemaErrors } from "../src/index.js";
 import { FluentBundle, FluentResource } from "@fluent/bundle";
+import "@hyperjump/json-schema/draft-04";
 
 /**
  * @import { SchemaObject } from "@hyperjump/json-schema"
@@ -183,4 +184,4 @@ runTests("https://json-schema.org/draft/2020-12/schema", 2020);
 // runTests("https://json-schema.org/draft/2019-09/schema", 2019);
 // runTests("http://json-schema.org/draft-07/schema", 7);
 // runTests("http://json-schema.org/draft-06/schema", 6);
-// runTests("http://json-schema.org/draft-04/schema", 4);
+runTests("http://json-schema.org/draft-04/schema", 4);

src/index.js

@@ -43,6 +43,14 @@ import unevaluatedItemsNormalizationHandler from "./normalization-handlers/uneva
 import unevaluatedPropertiesNormalizationHandler from "./normalization-handlers/unevaluatedProperties.js";
 import uniqueItemsNormalizationHandler from "./normalization-handlers/uniqueItems.js";
 import unknownNormalizationHandler from "./normalization-handlers/unknown.js";
+// Draft 04 Normalization Handlers
+import draft04AdditionalItemsNormalizationHandler from "./normalization-handlers/draft-04/additionalItems.js";
+import draft04DependenciesNormalizationHandler from "./normalization-handlers/draft-04/dependencies.js";
+import draft04ExclusiveMaximumNormalizationHandler from "./normalization-handlers/draft-04/exclusiveMaximum.js";
+import draft04ExclusiveMinimumNormalizationHandler from "./normalization-handlers/draft-04/exclusiveMinimum.js";
+import draft04ItemsNormalizationHandler from "./normalization-handlers/draft-04/items.js";
+import draft04MaximumNormalizationHandler from "./normalization-handlers/draft-04/maximum.js";
+import draft04MinimumNormalizationHandler from "./normalization-handlers/draft-04/minimum.js";
 
 // Error Handlers
 import anyOfErrorHandler from "./error-handlers/anyOf.js";
@@ -70,6 +78,10 @@ import requiredErrorHandler from "./error-handlers/required.js";
 import typeErrorHandler from "./error-handlers/type.js";
 import uniqueItemsErrorHandler from "./error-handlers/uniqueItems.js";
 import unknownErrorHandler from "./error-handlers/unknown.js";
+// Draft 04 Error Handlers
+import draft04DependenciesErrorHandler from "./error-handlers/draft-04/dependencies.js";
+import draft04MaximumErrorHandler from "./error-handlers/draft-04/maximum.js";
+import draft04MinimumErrorHandler from "./error-handlers/draft-04/minimum.js";
 
 setNormalizationHandler("https://json-schema.org/keyword/additionalProperties", additionalPropertiesNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/allOf", allOfNormalizationHandler);
@@ -119,6 +131,13 @@ setNormalizationHandler("https://json-schema.org/keyword/unevaluatedItems", unev
 setNormalizationHandler("https://json-schema.org/keyword/unevaluatedProperties", unevaluatedPropertiesNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/uniqueItems", uniqueItemsNormalizationHandler);
 setNormalizationHandler("https://json-schema.org/keyword/unknown", unknownNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/draft-04/additionalItems", draft04AdditionalItemsNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/draft-04/dependencies", draft04DependenciesNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/draft-04/exclusiveMaximum", draft04ExclusiveMaximumNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/draft-04/exclusiveMinimum", draft04ExclusiveMinimumNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/draft-04/items", draft04ItemsNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/draft-04/maximum", draft04MaximumNormalizationHandler);
+setNormalizationHandler("https://json-schema.org/keyword/draft-04/minimum", draft04MinimumNormalizationHandler);
 
 addErrorHandler(anyOfErrorHandler);
 addErrorHandler(booleanSchemaErrorHandler);
@@ -145,6 +164,9 @@ addErrorHandler(requiredErrorHandler);
 addErrorHandler(typeErrorHandler);
 addErrorHandler(uniqueItemsErrorHandler);
 addErrorHandler(unknownErrorHandler);
+addErrorHandler(draft04DependenciesErrorHandler);
+addErrorHandler(draft04MaximumErrorHandler);
+addErrorHandler(draft04MinimumErrorHandler);
 
 export {
   addErrorHandler,

src/normalization-handlers/draft-04/additionalItems.js

@@ -0,0 +1,28 @@
+import { evaluateSchema } from "../../json-schema-errors.js";
+import * as Instance from "@hyperjump/json-schema/instance/experimental";
+import * as Pact from "@hyperjump/pact";
+
+/**
+ * @import { NormalizationHandler, NormalizedOutput } from "../../index.d.ts"
+ */
+
+/** @type NormalizationHandler<[number, string]> */
+const additionalItemsNormalizationHandler = {
+  evaluate([numberOfItems, additionalItems], instance, context) {
+    /** @type NormalizedOutput[] */
+    const outputs = [];
+
+    if (Instance.typeOf(instance) !== "array") {
+      return outputs;
+    }
+
+    for (const item of Pact.drop(numberOfItems, Instance.iter(instance))) {
+      outputs.push(evaluateSchema(additionalItems, item, context));
+    }
+
+    return outputs;
+  },
+  simpleApplicator: true
+};
+
+export default additionalItemsNormalizationHandler;

src/normalization-handlers/draft-04/dependencies.js

@@ -0,0 +1,32 @@
+import { evaluateSchema } from "../../json-schema-errors.js";
+import * as Instance from "@hyperjump/json-schema/instance/experimental";
+
+/**
+ * @import { NormalizationHandler, NormalizedOutput } from "../../index.d.ts"
+ */
+
+/** @type NormalizationHandler<Array<[string, string | string[]]>> */
+const dependenciesNormalizationHandler = {
+  evaluate(dependencies, instance, context) {
+    /** @type NormalizedOutput[] */
+    const outputs = [];
+
+    if (Instance.typeOf(instance) !== "object") {
+      return outputs;
+    }
+
+    for (const [property, dependency] of dependencies) {
+      if (!Instance.has(property, instance)) {
+        continue;
+      }
+
+      if (typeof dependency === "string") {
+        outputs.push(evaluateSchema(dependency, instance, context));
+      }
+    }
+
+    return outputs;
+  }
+};
+
+export default dependenciesNormalizationHandler;

src/normalization-handlers/draft-04/exclusiveMaximum.js

@@ -0,0 +1,11 @@
+/**
+ * @import { NormalizationHandler } from "../../index.d.ts"
+ */
+
+/** @type NormalizationHandler */
+const exclusiveMaximumNormalizationHandler = {
+  evaluate() {
+  }
+};
+
+export default exclusiveMaximumNormalizationHandler;

src/normalization-handlers/draft-04/exclusiveMinimum.js

@@ -0,0 +1,11 @@
+/**
+ * @import { NormalizationHandler } from "../../index.d.ts"
+ */
+
+/** @type NormalizationHandler */
+const exclusiveMinimumNormalizationHandler = {
+  evaluate() {
+  }
+};
+
+export default exclusiveMinimumNormalizationHandler;

src/normalization-handlers/draft-04/items.js

@@ -0,0 +1,36 @@
+import { evaluateSchema } from "../../json-schema-errors.js";
+import * as Instance from "@hyperjump/json-schema/instance/experimental";
+
+/**
+ * @import { NormalizationHandler, NormalizedOutput } from "../../index.d.ts"
+ */
+
+/** @type NormalizationHandler<string | string[]> */
+const itemsNormalizationHandler = {
+  evaluate(items, instance, context) {
+    /** @type NormalizedOutput[] */
+    const outputs = [];
+
+    if (Instance.typeOf(instance) !== "array") {
+      return outputs;
+    }
+
+    if (typeof items === "string") {
+      for (const itemNode of Instance.iter(instance)) {
+        outputs.push(evaluateSchema(items, itemNode, context));
+      }
+    } else {
+      for (const [index, schemaLocation] of items.entries()) {
+        const itemNode = Instance.step(String(index), instance);
+        if (itemNode) {
+          outputs.push(evaluateSchema(schemaLocation, itemNode, context));
+        }
+      }
+    }
+
+    return outputs;
+  },
+  simpleApplicator: true
+};
+
+export default itemsNormalizationHandler;

src/normalization-handlers/draft-04/maximum.js

@@ -0,0 +1,11 @@
+/**
+ * @import { NormalizationHandler } from "../../index.d.ts"
+ */
+
+/** @type NormalizationHandler */
+const maximumNormalizationHandler = {
+  evaluate() {
+  }
+};
+
+export default maximumNormalizationHandler;

src/normalization-handlers/draft-04/minimum.js

@@ -0,0 +1,11 @@
+/**
+ * @import { NormalizationHandler } from "../../index.d.ts"
+ */
+
+/** @type NormalizationHandler */
+const minimumNormalizationHandler = {
+  evaluate() {
+  }
+};
+
+export default minimumNormalizationHandler;