@metamask/utils - npm Package Compare versions

Comparing version 3.6.0 to 4.0.0

dist/index.d.ts

@@ -7,4 +7,6 @@ export * from './assert';
 export * from './collections';
+export * from './encryption-types';
 export * from './hex';
 export * from './json';
+export * from './keyring';
 export * from './logging';
@@ -15,2 +17,3 @@ export * from './misc';
 export * from './time';
+export * from './transaction-types';
 export * from './versions';

dist/index.js

@@ -23,4 +23,6 @@ "use strict";
 __exportStar(require("./collections"), exports);
+__exportStar(require("./encryption-types"), exports);
 __exportStar(require("./hex"), exports);
 __exportStar(require("./json"), exports);
+__exportStar(require("./keyring"), exports);
 __exportStar(require("./logging"), exports);
@@ -31,3 +33,4 @@ __exportStar(require("./misc"), exports);
 __exportStar(require("./time"), exports);
+__exportStar(require("./transaction-types"), exports);
 __exportStar(require("./versions"), exports);
 //# sourceMappingURL=index.js.map

dist/index.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;AAAA,2CAAyB;AACzB,2CAAyB;AACzB,0CAAwB;AACxB,6CAA2B;AAC3B,6CAA2B;AAC3B,gDAA8B;AAC9B,wCAAsB;AACtB,yCAAuB;AACvB,4CAA0B;AAC1B,yCAAuB;AACvB,2CAAyB;AACzB,2CAAyB;AACzB,yCAAuB;AACvB,6CAA2B","sourcesContent":["export * from './assert';\nexport * from './base64';\nexport * from './bytes';\nexport * from './checksum';\nexport * from './coercers';\nexport * from './collections';\nexport * from './hex';\nexport * from './json';\nexport * from './logging';\nexport * from './misc';\nexport * from './number';\nexport * from './opaque';\nexport * from './time';\nexport * from './versions';\n"]}
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;AAAA,2CAAyB;AACzB,2CAAyB;AACzB,0CAAwB;AACxB,6CAA2B;AAC3B,6CAA2B;AAC3B,gDAA8B;AAC9B,qDAAmC;AACnC,wCAAsB;AACtB,yCAAuB;AACvB,4CAA0B;AAC1B,4CAA0B;AAC1B,yCAAuB;AACvB,2CAAyB;AACzB,2CAAyB;AACzB,yCAAuB;AACvB,sDAAoC;AACpC,6CAA2B","sourcesContent":["export * from './assert';\nexport * from './base64';\nexport * from './bytes';\nexport * from './checksum';\nexport * from './coercers';\nexport * from './collections';\nexport * from './encryption-types';\nexport * from './hex';\nexport * from './json';\nexport * from './keyring';\nexport * from './logging';\nexport * from './misc';\nexport * from './number';\nexport * from './opaque';\nexport * from './time';\nexport * from './transaction-types';\nexport * from './versions';\n"]}

dist/json.d.ts

 import { Infer, Struct } from 'superstruct';
 import { AssertionErrorConstructor } from './assert';
-export declare const JsonStruct: Struct<Json, null>;
 /**
@@ -11,2 +10,15 @@ * Any JSON-compatible value.
 /**
+ * A struct to check if the given value is a valid JSON-serializable value.
+ *
+ * Note that this struct is unsafe. For safe validation, use {@link JsonStruct}.
+ */
+export declare const UnsafeJsonStruct: Struct<Json>;
+/**
+ * A struct to check if the given value is a valid JSON-serializable value.
+ *
+ * This struct sanitizes the value before validating it, so that it is safe to
+ * use with untrusted input.
+ */
+export declare const JsonStruct: Struct<Json, null>;
+/**
  * Check if the given value is a valid {@link Json} value, i.e., a value that is
@@ -20,2 +32,9 @@ * serializable to JSON.
 /**
+ * Get the size of a JSON value in bytes. This also validates the value.
+ *
+ * @param value - The JSON value to get the size of.
+ * @returns The size of the JSON value in bytes.
+ */
+export declare function getJsonSize(value: unknown): number;
+/**
  * The string '2.0'.
@@ -61,3 +80,3 @@ */
 export declare type JsonRpcError = OptionalField<Infer<typeof JsonRpcErrorStruct>, 'data'>;
-export declare const JsonRpcParamsStruct: Struct<Record<string, Json> | Json[] | undefined, null>;
+export declare const JsonRpcParamsStruct: Struct<Json[] | Record<string, Json> | undefined, null>;
 export declare type JsonRpcParams = Infer<typeof JsonRpcParamsStruct>;
@@ -68,3 +87,3 @@ export declare const JsonRpcRequestStruct: Struct<{
     jsonrpc: "2.0";
-    params?: Record<string, Json> | Json[] | undefined;
+    params?: Json[] | Record<string, Json> | undefined;
 }, {
@@ -74,3 +93,3 @@ id: Struct<string | number | null, null>;
     method: Struct<string, null>;
-    params: Struct<Record<string, Json> | Json[] | undefined, null>;
+    params: Struct<Json[] | Record<string, Json> | undefined, null>;
 }>;
@@ -89,3 +108,3 @@ export declare type InferWithParams<Type extends Struct<any>, Params extends JsonRpcParams> = Omit<Infer<Type>, 'params'> & (keyof Params extends undefined ? {
     jsonrpc: "2.0";
-    params?: Record<string, Json> | Json[] | undefined;
+    params?: Json[] | Record<string, Json> | undefined;
 }, Omit<{
@@ -95,3 +114,3 @@ id: Struct<string | number | null, null>;
     method: Struct<string, null>;
-    params: Struct<Record<string, Json> | Json[] | undefined, null>;
+    params: Struct<Json[] | Record<string, Json> | undefined, null>;
 }, "id">>;
@@ -322,12 +341,2 @@ /**
 export declare function getJsonRpcIdValidator(options?: JsonRpcValidatorOptions): (id: unknown) => id is string | number | null;
-/**
- * Checks whether a value is JSON serializable and counts the total number
- * of bytes needed to store the serialized version of the value.
- *
- * @param jsObject - Potential JSON serializable object.
- * @param skipSizingProcess - Skip JSON size calculation (default: false).
- * @returns Tuple [isValid, plainTextSizeInBytes] containing a boolean that signals whether
- * the value was serializable and a number of bytes that it will use when serialized to JSON.
- */
-export declare function validateJsonAndGetSize(jsObject: unknown, skipSizingProcess?: boolean): [isValid: boolean, plainTextSizeInBytes: number];
 export {};

dist/json.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.validateJsonAndGetSize = exports.getJsonRpcIdValidator = exports.assertIsJsonRpcError = exports.isJsonRpcError = exports.assertIsJsonRpcFailure = exports.isJsonRpcFailure = exports.assertIsJsonRpcSuccess = exports.isJsonRpcSuccess = exports.assertIsJsonRpcResponse = exports.isJsonRpcResponse = exports.assertIsPendingJsonRpcResponse = exports.isPendingJsonRpcResponse = exports.JsonRpcResponseStruct = exports.JsonRpcFailureStruct = exports.JsonRpcSuccessStruct = exports.PendingJsonRpcResponseStruct = exports.assertIsJsonRpcRequest = exports.isJsonRpcRequest = exports.assertIsJsonRpcNotification = exports.isJsonRpcNotification = exports.JsonRpcNotificationStruct = exports.JsonRpcRequestStruct = exports.JsonRpcParamsStruct = exports.JsonRpcErrorStruct = exports.JsonRpcIdStruct = exports.JsonRpcVersionStruct = exports.jsonrpc2 = exports.isValidJson = exports.JsonStruct = void 0;
+exports.getJsonRpcIdValidator = exports.assertIsJsonRpcError = exports.isJsonRpcError = exports.assertIsJsonRpcFailure = exports.isJsonRpcFailure = exports.assertIsJsonRpcSuccess = exports.isJsonRpcSuccess = exports.assertIsJsonRpcResponse = exports.isJsonRpcResponse = exports.assertIsPendingJsonRpcResponse = exports.isPendingJsonRpcResponse = exports.JsonRpcResponseStruct = exports.JsonRpcFailureStruct = exports.JsonRpcSuccessStruct = exports.PendingJsonRpcResponseStruct = exports.assertIsJsonRpcRequest = exports.isJsonRpcRequest = exports.assertIsJsonRpcNotification = exports.isJsonRpcNotification = exports.JsonRpcNotificationStruct = exports.JsonRpcRequestStruct = exports.JsonRpcParamsStruct = exports.JsonRpcErrorStruct = exports.JsonRpcIdStruct = exports.JsonRpcVersionStruct = exports.jsonrpc2 = exports.getJsonSize = exports.isValidJson = exports.JsonStruct = exports.UnsafeJsonStruct = void 0;
 const superstruct_1 = require("superstruct");
 const assert_1 = require("./assert");
-const misc_1 = require("./misc");
-exports.JsonStruct = (0, superstruct_1.define)('Json', (value) => {
-    const [isValid] = validateJsonAndGetSize(value, true);
-    if (!isValid) {
-        return 'Expected a valid JSON-serializable value';
+/**
+ * A struct to check if the given value is finite number. Superstruct's
+ * `number()` struct does not check if the value is finite.
+ *
+ * @returns A struct to check if the given value is finite number.
+ */
+const finiteNumber = () => (0, superstruct_1.define)('finite number', (value) => {
+    return (0, superstruct_1.is)(value, (0, superstruct_1.number)()) && Number.isFinite(value);
+});
+/**
+ * A struct to check if the given value is a valid JSON-serializable value.
+ *
+ * Note that this struct is unsafe. For safe validation, use {@link JsonStruct}.
+ */
+// We cannot infer the type of the struct, because it is recursive.
+exports.UnsafeJsonStruct = (0, superstruct_1.union)([
+    (0, superstruct_1.literal)(null),
+    (0, superstruct_1.boolean)(),
+    finiteNumber(),
+    (0, superstruct_1.string)(),
+    (0, superstruct_1.array)((0, superstruct_1.lazy)(() => exports.UnsafeJsonStruct)),
+    (0, superstruct_1.record)((0, superstruct_1.string)(), (0, superstruct_1.lazy)(() => exports.UnsafeJsonStruct)),
+]);
+/**
+ * A struct to check if the given value is a valid JSON-serializable value.
+ *
+ * This struct sanitizes the value before validating it, so that it is safe to
+ * use with untrusted input.
+ */
+exports.JsonStruct = (0, superstruct_1.define)('Json', (value, context) => {
+    /**
+     * Helper function that runs the given struct validator and returns the
+     * validation errors, if any. If the value is valid, it returns `true`.
+     *
+     * @param innerValue - The value to validate.
+     * @param struct - The struct to use for validation.
+     * @returns The validation errors, or `true` if the value is valid.
+     */
+    function checkStruct(innerValue, struct) {
+        const iterator = struct.validator(innerValue, context);
+        const errors = [...iterator];
+        if (errors.length > 0) {
+            return errors;
+        }
+        return true;
     }
-    return true;
+    try {
+        // The plain value must be a valid JSON value, but it may be altered in the
+        // process of JSON serialization, so we need to validate it again after
+        // serialization. This has the added benefit that the returned error messages
+        // will be more helpful, as they will point to the exact location of the
+        // invalid value.
+        //
+        // This seems overcomplicated, but without checking the plain value first,
+        // there are some cases where the validation passes, even though the value is
+        // not valid JSON. For example, `undefined` is not valid JSON, but serializing
+        // it will remove it from the object, so the validation will pass.
+        const unsafeResult = checkStruct(value, exports.UnsafeJsonStruct);
+        if (unsafeResult !== true) {
+            return unsafeResult;
+        }
+        // JavaScript engines are highly optimized for this specific use case of
+        // JSON parsing and stringifying, so there should be no performance impact.
+        return checkStruct(JSON.parse(JSON.stringify(value)), exports.UnsafeJsonStruct);
+    }
+    catch (error) {
+        if (error instanceof RangeError) {
+            return 'Circular reference detected';
+        }
+        return false;
+    }
 });
@@ -26,2 +90,14 @@ /**
 /**
+ * Get the size of a JSON value in bytes. This also validates the value.
+ *
+ * @param value - The JSON value to get the size of.
+ * @returns The size of the JSON value in bytes.
+ */
+function getJsonSize(value) {
+    (0, assert_1.assertStruct)(value, exports.JsonStruct, 'Invalid JSON value');
+    const json = JSON.stringify(value);
+    return new TextEncoder().encode(json).byteLength;
+}
+exports.getJsonSize = getJsonSize;
+/**
  * The string '2.0'.
@@ -277,126 +353,2 @@ */
 exports.getJsonRpcIdValidator = getJsonRpcIdValidator;
-/**
- * Checks whether a value is JSON serializable and counts the total number
- * of bytes needed to store the serialized version of the value.
- *
- * @param jsObject - Potential JSON serializable object.
- * @param skipSizingProcess - Skip JSON size calculation (default: false).
- * @returns Tuple [isValid, plainTextSizeInBytes] containing a boolean that signals whether
- * the value was serializable and a number of bytes that it will use when serialized to JSON.
- */
-function validateJsonAndGetSize(jsObject, skipSizingProcess = false) {
-    const seenObjects = new Set();
-    /**
-     * Checks whether a value is JSON serializable and counts the total number
-     * of bytes needed to store the serialized version of the value.
-     *
-     * This function assumes the encoding of the JSON is done in UTF-8.
-     *
-     * @param value - Potential JSON serializable value.
-     * @param skipSizing - Skip JSON size calculation (default: false).
-     * @returns Tuple [isValid, plainTextSizeInBytes] containing a boolean that signals whether
-     * the value was serializable and a number of bytes that it will use when serialized to JSON.
-     */
-    function getJsonSerializableInfo(value, skipSizing) {
-        if (value === undefined) {
-            return [false, 0];
-        }
-        else if (value === null) {
-            // Return already specified constant size for null (special object)
-            return [true, skipSizing ? 0 : misc_1.JsonSize.Null];
-        }
-        // Check and calculate sizes for basic (and some special) types
-        const typeOfValue = typeof value;
-        try {
-            if (typeOfValue === 'function') {
-                return [false, 0];
-            }
-            else if (typeOfValue === 'string' || value instanceof String) {
-                return [
-                    true,
-                    skipSizing
-                        ? 0
-                        : (0, misc_1.calculateStringSize)(value) + misc_1.JsonSize.Quote * 2,
-                ];
-            }
-            else if (typeOfValue === 'boolean' || value instanceof Boolean) {
-                if (skipSizing) {
-                    return [true, 0];
-                }
-                // eslint-disable-next-line eqeqeq
-                return [true, value == true ? misc_1.JsonSize.True : misc_1.JsonSize.False];
-            }
-            else if (typeOfValue === 'number' || value instanceof Number) {
-                if (skipSizing) {
-                    return [true, 0];
-                }
-                return [true, (0, misc_1.calculateNumberSize)(value)];
-            }
-            else if (value instanceof Date) {
-                if (skipSizing) {
-                    return [true, 0];
-                }
-                return [
-                    true,
-                    // Note: Invalid dates will serialize to null
-                    isNaN(value.getDate())
-                        ? misc_1.JsonSize.Null
-                        : misc_1.JsonSize.Date + misc_1.JsonSize.Quote * 2,
-                ];
-            }
-        }
-        catch (_) {
-            return [false, 0];
-        }
-        // If object is not plain and cannot be serialized properly,
-        // stop here and return false for serialization
-        if (!(0, misc_1.isPlainObject)(value) && !Array.isArray(value)) {
-            return [false, 0];
-        }
-        // Circular object detection (handling)
-        // Check if the same object already exists
-        if (seenObjects.has(value)) {
-            return [false, 0];
-        }
-        // Add new object to the seen objects set
-        // Only the plain objects should be added (Primitive types are skipped)
-        seenObjects.add(value);
-        // Continue object decomposition
-        try {
-            return [
-                true,
-                Object.entries(value).reduce((sum, [key, nestedValue], idx, arr) => {
-                    // Recursively process next nested object or primitive type
-                    // eslint-disable-next-line prefer-const
-                    let [valid, size] = getJsonSerializableInfo(nestedValue, skipSizing);
-                    if (!valid) {
-                        throw new Error('JSON validation did not pass. Validation process stopped.');
-                    }
-                    // Circular object detection
-                    // Once a child node is visited and processed remove it from the set.
-                    // This will prevent false positives with the same adjacent objects.
-                    seenObjects.delete(value);
-                    if (skipSizing) {
-                        return 0;
-                    }
-                    // Objects will have be serialized with "key": value,
-                    // therefore we include the key in the calculation here
-                    const keySize = Array.isArray(value)
-                        ? 0
-                        : key.length + misc_1.JsonSize.Comma + misc_1.JsonSize.Colon * 2;
-                    const separator = idx < arr.length - 1 ? misc_1.JsonSize.Comma : 0;
-                    return sum + keySize + size + separator;
-                }, 
-                // Starts at 2 because the serialized JSON string data (plain text)
-                // will minimally contain {}/[]
-                skipSizing ? 0 : misc_1.JsonSize.Wrapper * 2),
-            ];
-        }
-        catch (_) {
-            return [false, 0];
-        }
-    }
-    return getJsonSerializableInfo(jsObject, skipSizingProcess);
-}
-exports.validateJsonAndGetSize = validateJsonAndGetSize;
 //# sourceMappingURL=json.js.map

dist/json.js.map

@@ -1,1 +0,1 @@
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Must be checked to determine whether it's a\n * success or failure.\n *\n * @template Result - The type of the result.\n */\nexport type JsonRpcResponse<Result extends Json> =\n  | JsonRpcSuccess<Result>\n  | JsonRpcFailure;\n\n/**\n * Type guard to check whether specified JSON-RPC response is a\n * {@link PendingJsonRpcResponse}.\n *\n * @param response - The JSON-RPC response to check.\n * @returns Whether the specified JSON-RPC response is pending.\n */\nexport function isPendingJsonRpcResponse(\n  response: unknown,\n): response is PendingJsonRpcResponse<Json> {\n  return is(response, PendingJsonRpcResponseStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link PendingJsonRpcResponse} object.\n *\n * @param response - The JSON-RPC response to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link PendingJsonRpcResponse}\n * object.\n */\nexport function assertIsPendingJsonRpcResponse(\n  response: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts response is PendingJsonRpcResponse<Json> {\n  assertStruct(\n    response,\n    PendingJsonRpcResponseStruct,\n    'Invalid pending JSON-RPC response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Type guard to check if a value is a {@link JsonRpcResponse}.\n *\n * @param response - The object to check.\n * @returns Whether the object is a JsonRpcResponse.\n */\nexport function isJsonRpcResponse(\n  response: unknown,\n): response is JsonRpcResponse<Json> {\n  return is(response, JsonRpcResponseStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcResponse} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcResponse} object.\n */\nexport function assertIsJsonRpcResponse(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcResponse<Json> {\n  assertStruct(\n    value,\n    JsonRpcResponseStruct,\n    'Invalid JSON-RPC response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Check if the given value is a valid {@link JsonRpcSuccess} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcSuccess} object.\n */\nexport function isJsonRpcSuccess(\n  value: unknown,\n): value is JsonRpcSuccess<Json> {\n  return is(value, JsonRpcSuccessStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcSuccess} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcSuccess} object.\n */\nexport function assertIsJsonRpcSuccess(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcSuccess<Json> {\n  assertStruct(\n    value,\n    JsonRpcSuccessStruct,\n    'Invalid JSON-RPC success response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Check if the given value is a valid {@link JsonRpcFailure} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcFailure} object.\n */\nexport function isJsonRpcFailure(value: unknown): value is JsonRpcFailure {\n  return is(value, JsonRpcFailureStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcFailure} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcFailure} object.\n */\nexport function assertIsJsonRpcFailure(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcFailure {\n  assertStruct(\n    value,\n    JsonRpcFailureStruct,\n    'Invalid JSON-RPC failure response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Check if the given value is a valid {@link JsonRpcError} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcError} object.\n */\nexport function isJsonRpcError(value: unknown): value is JsonRpcError {\n  return is(value, JsonRpcErrorStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcError} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcError} object.\n */\nexport function assertIsJsonRpcError(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcError {\n  assertStruct(\n    value,\n    JsonRpcErrorStruct,\n    'Invalid JSON-RPC error',\n    ErrorWrapper,\n  );\n}\n\ntype JsonRpcValidatorOptions = {\n  permitEmptyString?: boolean;\n  permitFractions?: boolean;\n  permitNull?: boolean;\n};\n\n/**\n * Gets a function for validating JSON-RPC request / response `id` values.\n *\n * By manipulating the options of this factory, you can control the behavior\n * of the resulting validator for some edge cases. This is useful because e.g.\n * `null` should sometimes but not always be permitted.\n *\n * Note that the empty string (`''`) is always permitted by the JSON-RPC\n * specification, but that kind of sucks and you may want to forbid it in some\n * instances anyway.\n *\n * For more details, see the\n * [JSON-RPC Specification](https://www.jsonrpc.org/specification).\n *\n * @param options - An options object.\n * @param options.permitEmptyString - Whether the empty string (i.e. `''`)\n * should be treated as a valid ID. Default: `true`\n * @param options.permitFractions - Whether fractional numbers (e.g. `1.2`)\n * should be treated as valid IDs. Default: `false`\n * @param options.permitNull - Whether `null` should be treated as a valid ID.\n * Default: `true`\n * @returns The JSON-RPC ID validator function.\n */\nexport function getJsonRpcIdValidator(options?: JsonRpcValidatorOptions) {\n  const { permitEmptyString, permitFractions, permitNull } = {\n    permitEmptyString: true,\n    permitFractions: false,\n    permitNull: true,\n    ...options,\n  };\n\n  /**\n   * Type guard for {@link JsonRpcId}.\n   *\n   * @param id - The JSON-RPC ID value to check.\n   * @returns Whether the given ID is valid per the options given to the\n   * factory.\n   */\n  const isValidJsonRpcId = (id: unknown): id is JsonRpcId => {\n    return Boolean(\n      (typeof id === 'number' && (permitFractions || Number.isInteger(id))) ||\n        (typeof id === 'string' && (permitEmptyString || id.length > 0)) ||\n        (permitNull && id === null),\n    );\n  };\n\n  return isValidJsonRpcId;\n}\n\n/**\n * Checks whether a value is JSON serializable and counts the total number\n * of bytes needed to store the serialized version of the value.\n *\n * @param jsObject - Potential JSON serializable object.\n * @param skipSizingProcess - Skip JSON size calculation (default: false).\n * @returns Tuple [isValid, plainTextSizeInBytes] containing a boolean that signals whether\n * the value was serializable and a number of bytes that it will use when serialized to JSON.\n */\nexport function validateJsonAndGetSize(\n  jsObject: unknown,\n  skipSizingProcess = false,\n): [isValid: boolean, plainTextSizeInBytes: number] {\n  const seenObjects = new Set();\n  /**\n   * Checks whether a value is JSON serializable and counts the total number\n   * of bytes needed to store the serialized version of the value.\n   *\n   * This function assumes the encoding of the JSON is done in UTF-8.\n   *\n   * @param value - Potential JSON serializable value.\n   * @param skipSizing - Skip JSON size calculation (default: false).\n   * @returns Tuple [isValid, plainTextSizeInBytes] containing a boolean that signals whether\n   * the value was serializable and a number of bytes that it will use when serialized to JSON.\n   */\n  function getJsonSerializableInfo(\n    value: unknown,\n    skipSizing: boolean,\n  ): [isValid: boolean, plainTextSizeInBytes: number] {\n    if (value === undefined) {\n      return [false, 0];\n    } else if (value === null) {\n      // Return already specified constant size for null (special object)\n      return [true, skipSizing ? 0 : JsonSize.Null];\n    }\n\n    // Check and calculate sizes for basic (and some special) types\n    const typeOfValue = typeof value;\n    try {\n      if (typeOfValue === 'function') {\n        return [false, 0];\n      } else if (typeOfValue === 'string' || value instanceof String) {\n        return [\n          true,\n          skipSizing\n            ? 0\n            : calculateStringSize(value as string) + JsonSize.Quote * 2,\n        ];\n      } else if (typeOfValue === 'boolean' || value instanceof Boolean) {\n        if (skipSizing) {\n          return [true, 0];\n        }\n        // eslint-disable-next-line eqeqeq\n        return [true, value == true ? JsonSize.True : JsonSize.False];\n      } else if (typeOfValue === 'number' || value instanceof Number) {\n        if (skipSizing) {\n          return [true, 0];\n        }\n        return [true, calculateNumberSize(value as number)];\n      } else if (value instanceof Date) {\n        if (skipSizing) {\n          return [true, 0];\n        }\n        return [\n          true,\n          // Note: Invalid dates will serialize to null\n          isNaN(value.getDate())\n            ? 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Validation process stopped.',\n              );\n            }\n\n            // Circular object detection\n            // Once a child node is visited and processed remove it from the set.\n            // This will prevent false positives with the same adjacent objects.\n            seenObjects.delete(value);\n\n            if (skipSizing) {\n              return 0;\n            }\n\n            // Objects will have be serialized with \"key\": value,\n            // therefore we include the key in the calculation here\n            const keySize = Array.isArray(value)\n              ? 0\n              : key.length + JsonSize.Comma + JsonSize.Colon * 2;\n\n            const separator = idx < arr.length - 1 ? JsonSize.Comma : 0;\n\n            return sum + keySize + size + separator;\n          },\n          // Starts at 2 because the serialized JSON string data (plain text)\n          // will minimally contain {}/[]\n          skipSizing ? 0 : JsonSize.Wrapper * 2,\n        ),\n      ];\n    } catch (_) {\n      return [false, 0];\n    }\n  }\n\n  return getJsonSerializableInfo(jsObject, skipSizingProcess);\n}\n"]}
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Superstruct's\n * `number()` struct does not check if the value is finite.\n *\n * @returns A struct to check if the given value is finite number.\n */\nconst finiteNumber = () =>\n  define<number>('finite number', (value) => {\n    return is(value, number()) && Number.isFinite(value);\n  });\n\n/**\n * A struct to check if the given value is a valid JSON-serializable value.\n *\n * Note that this struct is unsafe. For safe validation, use {@link JsonStruct}.\n */\n// We cannot infer the type of the struct, because it is recursive.\nexport const UnsafeJsonStruct: Struct<Json> = union([\n  literal(null),\n  boolean(),\n  finiteNumber(),\n  string(),\n  array(lazy(() => UnsafeJsonStruct)),\n  record(\n    string(),\n    lazy(() => UnsafeJsonStruct),\n  ),\n]);\n\n/**\n * A struct to check if the given value is a valid JSON-serializable value.\n *\n * This struct sanitizes the value before validating it, so that it is safe to\n * use with untrusted input.\n */\nexport const JsonStruct = define<Json>('Json', (value, context) => {\n  /**\n   * Helper function that runs the given struct validator and returns the\n   * validation errors, if any. If the value is valid, it returns `true`.\n   *\n   * @param innerValue - The value to validate.\n   * @param struct - The struct to use for validation.\n   * @returns The validation errors, or `true` if the value is valid.\n   */\n  function checkStruct<Type>(innerValue: unknown, struct: Struct<Type>) {\n    const iterator = struct.validator(innerValue, context);\n    const errors = [...iterator];\n\n    if (errors.length > 0) {\n      return errors;\n    }\n\n    return true;\n  }\n\n  try {\n    // The plain value must be a valid JSON value, but it may be altered in the\n    // process of JSON serialization, so we need to validate it again after\n    // serialization. This has the added benefit that the returned error messages\n    // will be more helpful, as they will point to the exact location of the\n    // invalid value.\n    //\n    // This seems overcomplicated, but without checking the plain value first,\n    // there are some cases where the validation passes, even though the value is\n    // not valid JSON. For example, `undefined` is not valid JSON, but serializing\n    // it will remove it from the object, so the validation will pass.\n    const unsafeResult = checkStruct(value, UnsafeJsonStruct);\n    if (unsafeResult !== true) {\n      return unsafeResult;\n    }\n\n    // JavaScript engines are highly optimized for this specific use case of\n    // JSON parsing and stringifying, so there should be no performance impact.\n    return checkStruct(JSON.parse(JSON.stringify(value)), UnsafeJsonStruct);\n  } catch (error) {\n    if (error instanceof RangeError) {\n      return 'Circular reference detected';\n    }\n\n    return false;\n  }\n});\n\n/**\n * Check if the given value is a valid {@link Json} value, i.e., a value that is\n * serializable to JSON.\n *\n * @param value - The value to check.\n * @returns Whether the value is a valid {@link Json} value.\n */\nexport function isValidJson(value: unknown): value is Json {\n  return is(value, JsonStruct);\n}\n\n/**\n * Get the size of a JSON value in bytes. This also validates the value.\n *\n * @param value - The JSON value to get the size of.\n * @returns The size of the JSON value in bytes.\n */\nexport function getJsonSize(value: unknown): number {\n  assertStruct(value, JsonStruct, 'Invalid JSON value');\n\n  const json = JSON.stringify(value);\n  return new TextEncoder().encode(json).byteLength;\n}\n\n/**\n * The string '2.0'.\n */\nexport const jsonrpc2 = '2.0' as const;\nexport const JsonRpcVersionStruct = literal(jsonrpc2);\n\n/**\n * A String specifying the version of the JSON-RPC protocol.\n * MUST be exactly \"2.0\".\n */\nexport type JsonRpcVersion2 = typeof jsonrpc2;\n\nexport const JsonRpcIdStruct = nullable(union([number(), string()]));\n\n/**\n * An identifier established by the Client that MUST contain a String, Number,\n * or NULL value if included. If it is not included it is assumed to be a\n * notification. The value SHOULD normally not be Null and Numbers SHOULD\n * NOT contain fractional parts.\n */\nexport type JsonRpcId = Infer<typeof JsonRpcIdStruct>;\n\nexport const JsonRpcErrorStruct = object({\n  code: integer(),\n  message: string(),\n  data: optional(JsonStruct),\n  stack: optional(string()),\n});\n\n/**\n * Mark a certain key of a type as optional.\n */\nexport type OptionalField<\n  Type extends Record<string, unknown>,\n  Key extends keyof Type,\n> = Omit<Type, Key> & Partial<Pick<Type, Key>>;\n\n/**\n * A JSON-RPC error object.\n *\n * Note that TypeScript infers `unknown | undefined` as `unknown`, meaning that\n * the `data` field is not optional. To make it optional, we use the\n * `OptionalField` helper, to explicitly make it optional.\n */\nexport type JsonRpcError = OptionalField<\n  Infer<typeof JsonRpcErrorStruct>,\n  'data'\n>;\n\nexport const JsonRpcParamsStruct = optional(\n  union([record(string(), JsonStruct), array(JsonStruct)]),\n);\nexport type JsonRpcParams = Infer<typeof JsonRpcParamsStruct>;\n\nexport const JsonRpcRequestStruct = object({\n  id: JsonRpcIdStruct,\n  jsonrpc: JsonRpcVersionStruct,\n  method: string(),\n  params: JsonRpcParamsStruct,\n});\n\nexport type InferWithParams<\n  Type extends Struct<any>,\n  Params extends JsonRpcParams,\n> = Omit<Infer<Type>, 'params'> &\n  (keyof Params extends undefined\n    ? {\n        params?: Params;\n      }\n    : {\n        params: Params;\n      });\n\n/**\n * A JSON-RPC request object.\n */\nexport type JsonRpcRequest<Params extends JsonRpcParams = JsonRpcParams> =\n  InferWithParams<typeof JsonRpcRequestStruct, Params>;\n\nexport const JsonRpcNotificationStruct = omit(JsonRpcRequestStruct, ['id']);\n\n/**\n * A JSON-RPC notification object.\n */\nexport type JsonRpcNotification<Params extends JsonRpcParams = JsonRpcParams> =\n  InferWithParams<typeof JsonRpcNotificationStruct, Params>;\n\n/**\n * Check if the given value is a valid {@link JsonRpcNotification} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcNotification}\n * object.\n */\nexport function isJsonRpcNotification(\n  value: unknown,\n): value is JsonRpcNotification {\n  return is(value, JsonRpcNotificationStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcNotification} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcNotification} object.\n */\nexport function assertIsJsonRpcNotification(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcNotification {\n  assertStruct(\n    value,\n    JsonRpcNotificationStruct,\n    'Invalid JSON-RPC notification',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Check if the given value is a valid {@link JsonRpcRequest} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcRequest} object.\n */\nexport function isJsonRpcRequest(value: unknown): value is JsonRpcRequest {\n  return is(value, JsonRpcRequestStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcRequest} object.\n *\n * @param value - The JSON-RPC request or notification to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcRequest} object.\n */\nexport function assertIsJsonRpcRequest(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcRequest {\n  assertStruct(\n    value,\n    JsonRpcRequestStruct,\n    'Invalid JSON-RPC request',\n    ErrorWrapper,\n  );\n}\n\nexport const PendingJsonRpcResponseStruct = object({\n  id: JsonRpcIdStruct,\n  jsonrpc: JsonRpcVersionStruct,\n  result: optional(unknown()),\n  error: optional(JsonRpcErrorStruct),\n});\n\n/**\n * A JSON-RPC response object that has not yet been resolved.\n */\nexport type PendingJsonRpcResponse<Result extends Json> = Omit<\n  Infer<typeof PendingJsonRpcResponseStruct>,\n  'result'\n> & {\n  result?: Result;\n};\n\nexport const JsonRpcSuccessStruct = object({\n  id: JsonRpcIdStruct,\n  jsonrpc: JsonRpcVersionStruct,\n  result: JsonStruct,\n});\n\n/**\n * A successful JSON-RPC response object.\n */\nexport type JsonRpcSuccess<Result extends Json> = Omit<\n  Infer<typeof JsonRpcSuccessStruct>,\n  'result'\n> & {\n  result: Result;\n};\n\nexport const JsonRpcFailureStruct = object({\n  id: JsonRpcIdStruct,\n  jsonrpc: JsonRpcVersionStruct,\n  error: JsonRpcErrorStruct as Struct<JsonRpcError>,\n});\n\n/**\n * A failed JSON-RPC response object.\n */\nexport type JsonRpcFailure = Infer<typeof JsonRpcFailureStruct>;\n\nexport const JsonRpcResponseStruct = union([\n  JsonRpcSuccessStruct,\n  JsonRpcFailureStruct,\n]);\n\n/**\n * A JSON-RPC response object. Must be checked to determine whether it's a\n * success or failure.\n *\n * @template Result - The type of the result.\n */\nexport type JsonRpcResponse<Result extends Json> =\n  | JsonRpcSuccess<Result>\n  | JsonRpcFailure;\n\n/**\n * Type guard to check whether specified JSON-RPC response is a\n * {@link PendingJsonRpcResponse}.\n *\n * @param response - The JSON-RPC response to check.\n * @returns Whether the specified JSON-RPC response is pending.\n */\nexport function isPendingJsonRpcResponse(\n  response: unknown,\n): response is PendingJsonRpcResponse<Json> {\n  return is(response, PendingJsonRpcResponseStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link PendingJsonRpcResponse} object.\n *\n * @param response - The JSON-RPC response to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link PendingJsonRpcResponse}\n * object.\n */\nexport function assertIsPendingJsonRpcResponse(\n  response: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts response is PendingJsonRpcResponse<Json> {\n  assertStruct(\n    response,\n    PendingJsonRpcResponseStruct,\n    'Invalid pending JSON-RPC response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Type guard to check if a value is a {@link JsonRpcResponse}.\n *\n * @param response - The object to check.\n * @returns Whether the object is a JsonRpcResponse.\n */\nexport function isJsonRpcResponse(\n  response: unknown,\n): response is JsonRpcResponse<Json> {\n  return is(response, JsonRpcResponseStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcResponse} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcResponse} object.\n */\nexport function assertIsJsonRpcResponse(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcResponse<Json> {\n  assertStruct(\n    value,\n    JsonRpcResponseStruct,\n    'Invalid JSON-RPC response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Check if the given value is a valid {@link JsonRpcSuccess} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcSuccess} object.\n */\nexport function isJsonRpcSuccess(\n  value: unknown,\n): value is JsonRpcSuccess<Json> {\n  return is(value, JsonRpcSuccessStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcSuccess} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcSuccess} object.\n */\nexport function assertIsJsonRpcSuccess(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcSuccess<Json> {\n  assertStruct(\n    value,\n    JsonRpcSuccessStruct,\n    'Invalid JSON-RPC success response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Check if the given value is a valid {@link JsonRpcFailure} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcFailure} object.\n */\nexport function isJsonRpcFailure(value: unknown): value is JsonRpcFailure {\n  return is(value, JsonRpcFailureStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcFailure} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcFailure} object.\n */\nexport function assertIsJsonRpcFailure(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcFailure {\n  assertStruct(\n    value,\n    JsonRpcFailureStruct,\n    'Invalid JSON-RPC failure response',\n    ErrorWrapper,\n  );\n}\n\n/**\n * Check if the given value is a valid {@link JsonRpcError} object.\n *\n * @param value - The value to check.\n * @returns Whether the given value is a valid {@link JsonRpcError} object.\n */\nexport function isJsonRpcError(value: unknown): value is JsonRpcError {\n  return is(value, JsonRpcErrorStruct);\n}\n\n/**\n * Assert that the given value is a valid {@link JsonRpcError} object.\n *\n * @param value - The value to check.\n * @param ErrorWrapper - The error class to throw if the assertion fails.\n * Defaults to {@link AssertionError}.\n * @throws If the given value is not a valid {@link JsonRpcError} object.\n */\nexport function assertIsJsonRpcError(\n  value: unknown,\n  // eslint-disable-next-line @typescript-eslint/naming-convention\n  ErrorWrapper?: AssertionErrorConstructor,\n): asserts value is JsonRpcError {\n  assertStruct(\n    value,\n    JsonRpcErrorStruct,\n    'Invalid JSON-RPC error',\n    ErrorWrapper,\n  );\n}\n\ntype JsonRpcValidatorOptions = {\n  permitEmptyString?: boolean;\n  permitFractions?: boolean;\n  permitNull?: boolean;\n};\n\n/**\n * Gets a function for validating JSON-RPC request / response `id` values.\n *\n * By manipulating the options of this factory, you can control the behavior\n * of the resulting validator for some edge cases. This is useful because e.g.\n * `null` should sometimes but not always be permitted.\n *\n * Note that the empty string (`''`) is always permitted by the JSON-RPC\n * specification, but that kind of sucks and you may want to forbid it in some\n * instances anyway.\n *\n * For more details, see the\n * [JSON-RPC Specification](https://www.jsonrpc.org/specification).\n *\n * @param options - An options object.\n * @param options.permitEmptyString - Whether the empty string (i.e. `''`)\n * should be treated as a valid ID. Default: `true`\n * @param options.permitFractions - Whether fractional numbers (e.g. `1.2`)\n * should be treated as valid IDs. Default: `false`\n * @param options.permitNull - Whether `null` should be treated as a valid ID.\n * Default: `true`\n * @returns The JSON-RPC ID validator function.\n */\nexport function getJsonRpcIdValidator(options?: JsonRpcValidatorOptions) {\n  const { permitEmptyString, permitFractions, permitNull } = {\n    permitEmptyString: true,\n    permitFractions: false,\n    permitNull: true,\n    ...options,\n  };\n\n  /**\n   * Type guard for {@link JsonRpcId}.\n   *\n   * @param id - The JSON-RPC ID value to check.\n   * @returns Whether the given ID is valid per the options given to the\n   * factory.\n   */\n  const isValidJsonRpcId = (id: unknown): id is JsonRpcId => {\n    return Boolean(\n      (typeof id === 'number' && (permitFractions || Number.isInteger(id))) ||\n        (typeof id === 'string' && (permitEmptyString || id.length > 0)) ||\n        (permitNull && id === null),\n    );\n  };\n\n  return isValidJsonRpcId;\n}\n"]}

package.json

 {
   "name": "@metamask/utils",
-  "version": "3.6.0",
+  "version": "4.0.0",
   "description": "Various JavaScript/TypeScript utilities of wide relevance to the MetaMask codebase.",
@@ -5,0 +5,0 @@ "repository": {

New alerts

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Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

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Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

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Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

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Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Worsened metrics

Total package byte prevSize

240827

-2.18%

Lines of code

3217

-1.02%

Number of low supply chain risk alerts

4

100%

No dependency changes