feat(jest-validate): initial commit

types/jest-validate/index.d.ts

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+// Type definitions for jest-validate 21.0
+// Project: https://github.com/facebook/jest/tree/master/packages/jest-validate
+// Definitions by: Ika <https://github.com/ikatyang>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
+
+export class ValidationError extends Error {
+    name: string;
+    message: string;
+    constructor(name: string, message: string, comment?: string);
+}
+
+export function createDidYouMeanMessage(
+    unrecognized: string,
+    allowedOptions: string[]
+): string;
+
+export function format(value: any): string;
+
+export function logValidationWarning(
+    name: string,
+    message: string,
+    commant?: string
+): void;
+
+export interface Title {
+    deprecation?: string;
+    error?: string;
+    warning?: string;
+}
+
+export interface DeprecatedConfig {
+    [key: string]: (config: object) => string;
+}
+
+export interface ValidationOptions {
+    /**
+     * optional string to be rendered below error/warning message.
+     */
+    comment?: string;
+    /**
+     * an optional function with validation condition.
+     */
+    condition?(value: any, exampleValue: any): boolean;
+    /**
+     * optional object with deprecated config keys.
+     */
+    deprecatedConfig?: DeprecatedConfig;
+    /**
+     * the only **required** option with configuration against which you'd like to test.
+     */
+    exampleConfig: object;
+    /**
+     * optional object of titles for errors and messages.
+     */
+    title?: Title;
+    /**
+     * optional functions responsible for displaying warning and error messages.
+     */
+    deprecate?(
+        config: object,
+        key: string,
+        deprecatedConfig: DeprecatedConfig,
+        options: ValidationOptions
+    ): boolean;
+    /**
+     * optional functions responsible for displaying warning and error messages.
+     */
+    error?(
+        key: string,
+        received: any,
+        exampleValue: any,
+        options: ValidationOptions
+    ): void;
+    /**
+     * optional functions responsible for displaying warning and error messages.
+     */
+    unknown?(
+        config: object,
+        exampleConfig: object,
+        key: string,
+        options: ValidationOptions
+    ): void;
+}
+
+/**
+ * By default jest-validate will print generic warning and error messages.
+ * You can however customize this behavior by providing `options: ValidationOptions` object as a second argument:
+ *
+ * Almost anything can be overwritten to suite your needs.
+ */
+export function validate(
+    config: object,
+    options: ValidationOptions
+): { hasDeprecationWarnings: boolean; isValid: boolean };

types/jest-validate/jest-validate-tests.ts

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+import { validate, format, createDidYouMeanMessage } from 'jest-validate';
+
+validate(
+  { a: 0 },
+  {
+    condition: () => false,
+    exampleConfig: { a: 1, b: 2 },
+  },
+);
+
+const formatted = format({ c: 3 });
+
+const didYouMeanMessage = createDidYouMeanMessage('bbb', ['aaa', 'ccc']);

types/jest-validate/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": false,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "jest-validate-tests.ts"
+    ]
+}

types/jest-validate/tslint.json

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+{ "extends": "dtslint/dt.json" }