Create types for sade (#40398)

types/sade/index.d.ts

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+// Type definitions for sade 1.6
+// Project: https://github.com/lukeed/sade#readme
+// Definitions by: Epimodev <https://github.com/Epimodev>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import * as mri from 'mri';
+
+type Handler = (...args: any[]) => void;
+
+declare namespace sade {
+    interface CommandOptions {
+        default?: boolean;
+    }
+
+    interface ParseOptions extends mri.Options {
+        lazy?: boolean;
+    }
+
+    interface Sade {
+        command(str: string, desc?: string, opts?: Readonly<CommandOptions>): Sade;
+        describe(str: string | ReadonlyArray<string>): Sade;
+        option(str: string, desc: string, val?: string | number): Sade;
+        action(handler: Handler): Sade;
+        example(str: string): Sade;
+        version(str: string): Sade;
+        parse(arr: string[], opts?: Readonly<ParseOptions>): { args: string[]; name: string; handler: Handler } | void;
+        help(str: string): void;
+    }
+}
+
+declare function sade(str: string, isOne?: boolean): sade.Sade;
+
+export = sade;

types/sade/sade-tests.ts

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+import sade = require('sade');
+
+const prog = sade('my-cli');
+
+const argv = ['sirv', 'build'];
+
+prog.version('1.0.5')
+    .option('--global, -g', 'An example global flag')
+    .option('-c, --config', 'Provide path to custom config', 'foo.config.js');
+
+prog.command('build <src> <dest>')
+    .describe('Build the source directory. Expects an `index.js` entry file.')
+    .option('-o, --output', 'Change the name of the output file', 'bundle.js')
+    .example('build src build --global --config my-conf.js')
+    .example('build app public -o main.js')
+    .action((src: any, dest: any, opts: any) => {});
+
+prog.help('build');
+
+prog.parse(argv);

types/sade/tsconfig.json

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

types/sade/tslint.json

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