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node_modules/assert-never/README.md

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+# Assert Never [![npm version][npm-image]][npm-url]
+
+Helper function for [exhaustive checks][exhaustive-checks] of discriminated
+unions in TypeScript.
+
+## Installation
+
+```
+npm install --save assert-never
+```
+
+## Usage
+
+```ts
+import {assertNever} from "assert-never";
+
+type A = {type: 'a'};
+type B = {type: 'b'};
+type Union = A | B;
+
+function doSomething(arg: Union) {
+  if (arg.type === 'a') {
+    return something;
+  }
+
+  if (arg.type === 'b') {
+    return somethingElse;
+  }
+
+  // TS will error if there are other types in the union
+  // Will throw an Error when called at runtime. Use `assertNever(arg, true)`
+  // instead to fail silently.
+  return assertNever(arg);
+}
+```
+
+[npm-image]: https://badge.fury.io/js/assert-never.svg
+[npm-url]: https://badge.fury.io/js/assert-never
+[exhaustive-checks]: https://basarat.gitbooks.io/typescript/docs/types/discriminated-unions.html#exhaustive-checks

node_modules/assert-never/index.d.ts

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+/**
+ * Helper function for exhaustive checks of discriminated unions.
+ * https://basarat.gitbooks.io/typescript/docs/types/discriminated-unions.html
+ *
+ * @example
+ *
+ *    type A = {type: 'a'};
+ *    type B = {type: 'b'};
+ *    type Union = A | B;
+ *
+ *    function doSomething(arg: Union) {
+ *      if (arg.type === 'a') {
+ *        return something;
+ *      }
+ *
+ *      if (arg.type === 'b') {
+ *        return somethingElse;
+ *      }
+ *
+ *      // TS will error if there are other types in the union
+ *      // Will throw an Error when called at runtime.
+ *      // Use `assertNever(arg, true)` instead to fail silently.
+ *      return assertNever(arg);
+ *    }
+ */
+export declare function assertNever(value: never, noThrow?: boolean): never;
+export default assertNever;

node_modules/assert-never/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+/**
+ * Helper function for exhaustive checks of discriminated unions.
+ * https://basarat.gitbooks.io/typescript/docs/types/discriminated-unions.html
+ *
+ * @example
+ *
+ *    type A = {type: 'a'};
+ *    type B = {type: 'b'};
+ *    type Union = A | B;
+ *
+ *    function doSomething(arg: Union) {
+ *      if (arg.type === 'a') {
+ *        return something;
+ *      }
+ *
+ *      if (arg.type === 'b') {
+ *        return somethingElse;
+ *      }
+ *
+ *      // TS will error if there are other types in the union
+ *      // Will throw an Error when called at runtime.
+ *      // Use `assertNever(arg, true)` instead to fail silently.
+ *      return assertNever(arg);
+ *    }
+ */
+function assertNever(value, noThrow) {
+    if (noThrow) {
+        return value;
+    }
+    throw new Error("Unhandled discriminated union member: " + JSON.stringify(value));
+}
+exports.assertNever = assertNever;
+exports.default = assertNever;

node_modules/assert-never/index.ts

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+/**
+ * Helper function for exhaustive checks of discriminated unions.
+ * https://basarat.gitbooks.io/typescript/docs/types/discriminated-unions.html
+ *
+ * @example
+ *
+ *    type A = {type: 'a'};
+ *    type B = {type: 'b'};
+ *    type Union = A | B;
+ *
+ *    function doSomething(arg: Union) {
+ *      if (arg.type === 'a') {
+ *        return something;
+ *      }
+ *
+ *      if (arg.type === 'b') {
+ *        return somethingElse;
+ *      }
+ *
+ *      // TS will error if there are other types in the union
+ *      // Will throw an Error when called at runtime.
+ *      // Use `assertNever(arg, true)` instead to fail silently.
+ *      return assertNever(arg);
+ *    }
+ */
+export function assertNever(value: never, noThrow?: boolean): never {
+  if (noThrow) {
+    return value
+  }
+
+  throw new Error(
+    `Unhandled discriminated union member: ${JSON.stringify(value)}`,
+  );
+}
+
+export default assertNever;

node_modules/assert-never/package.json

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+{
+  "name": "assert-never",
+  "version": "1.2.1",
+  "description": "Helper function for exhaustive checks of discriminated unions in TypeScript",
+  "main": "index.js",
+  "typings": "index.d.ts",
+  "files": [
+    "index.js",
+    "index.ts",
+    "index.d.ts"
+  ],
+  "scripts": {
+    "build": "tsc",
+    "prepublish": "npm run build"
+  },
+  "keywords": [
+    "typescript",
+    "discriminated unions",
+    "assert",
+    "never"
+  ],
+  "repository": "aikoven/assert-never",
+  "author": "Daniel Lytkin <dan.lytkin@gmail.com>",
+  "license": "MIT",
+  "devDependencies": {
+    "typescript": "^2.2.1"
+  }
+}