Fixing error when there are non svelte files (#26)

* Fixing error when there are non svelte files

* Apply suggestions from code review

Co-authored-by: Eric Liu <ericyl.us@gmail.com>

Co-authored-by: neelneelneel <>
Co-authored-by: Eric Liu <ericyl.us@gmail.com>

integration/glob/.gitignore

@@ -0,0 +1,2 @@
+/lib
+/node_modules

integration/glob/COMPONENT_API.json

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+{
+  "total": 1,
+  "components": [
+    {
+      "moduleName": "Button",
+      "filePath": "src/button/Button.svelte",
+      "props": [
+        {
+          "name": "type",
+          "kind": "let",
+          "type": "string",
+          "value": "\"button2\"",
+          "isFunction": false,
+          "constant": false,
+          "reactive": false
+        },
+        {
+          "name": "primary",
+          "kind": "let",
+          "type": "boolean",
+          "value": "false",
+          "isFunction": false,
+          "constant": false,
+          "reactive": false
+        }
+      ],
+      "slots": [
+        {
+          "name": "__default__",
+          "default": true,
+          "fallback": "Click me",
+          "slot_props": "{}"
+        }
+      ],
+      "events": [{ "type": "forwarded", "name": "click", "element": "button" }],
+      "typedefs": [],
+      "rest_props": { "type": "Element", "name": "button" }
+    }
+  ]
+}

integration/glob/COMPONENT_INDEX.md

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+# Component Index
+
+> 1 components exported from glob@0.0.1.
+
+## Components
+
+- [`Button`](#button)
+
+---
+
+## `Button`
+
+### Props
+
+| Prop name | Kind             | Reactive | Type                 | Default value          | Description |
+| :-------- | :--------------- | :------- | :------------------- | ---------------------- | ----------- |
+| type      | <code>let</code> | No       | <code>string</code>  | <code>"button2"</code> | --          |
+| primary   | <code>let</code> | No       | <code>boolean</code> | <code>false</code>     | --          |
+
+### Slots
+
+| Slot name | Default | Props | Fallback              |
+| :-------- | :------ | :---- | :-------------------- |
+| --        | Yes     | --    | <code>Click me</code> |
+
+### Events
+
+| Event name | Type      | Detail |
+| :--------- | :-------- | :----- |
+| click      | forwarded | --     |

integration/glob/package.json

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+{
+  "name": "glob",
+  "version": "0.0.1",
+  "private": true,
+  "svelte": "./src/index.js",
+  "module": "./lib/index.mjs",
+  "types": "./types/index.d.ts",
+  "scripts": {
+    "svelte-check": "svelte-check --workspace test",
+    "build": "rollup -c"
+  },
+  "devDependencies": {
+    "@rollup/plugin-node-resolve": "^10.0.0",
+    "@tsconfig/svelte": "^1.0.10",
+    "rollup": "^2.32.1",
+    "rollup-plugin-svelte": "^6.1.1",
+    "svelte": "^3.31.0",
+    "svelte-check": "^1.1.17",
+    "typescript": "^4.0.5"
+  }
+}

integration/glob/rollup.config.js

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+import pkg from "./package.json";
+import svelte from "rollup-plugin-svelte";
+import resolve from "@rollup/plugin-node-resolve";
+import sveld from "sveld";
+
+const production = !process.env.ROLLUP_WATCH;
+
+export default {
+  input: "src/index.js",
+  output: { format: "es", file: pkg.module },
+  plugins: [
+    svelte(),
+    resolve(),
+    production &&
+      sveld({
+        glob:true,
+        markdown: true,
+        markdownOptions: {
+          onAppend: (type, document, components) => {
+            if (type === "h1")
+              document.append("quote", `${components.size} components exported from ${pkg.name}@${pkg.version}.`);
+          },
+        },
+        json: true,
+      }),
+  ],
+};

integration/glob/src/action/Action.js

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+export default function () {
+  console.log('hello');
+}

integration/glob/src/action/index.js

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+export { default as Action } from "./Action.js";

integration/glob/src/button/Button.svelte

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+<script>
+  export let type = "button2";
+  export let primary = false;
+</script>
+
+<button {...$$restProps} {type} class:primary on:click>
+  <slot>Click me</slot>
+</button>

integration/glob/src/button/index.js

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+export { default as Button } from "./Button.svelte";

integration/glob/src/index.js

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+export { Action } from "./action/";
+export { Button } from "./button/";

integration/glob/tsconfig.json

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+{
+  "extends": "@tsconfig/svelte",
+}

integration/glob/types/button/Button.d.ts

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+/// <reference types="svelte" />
+import { SvelteComponentTyped } from "svelte";
+
+export interface ButtonProps
+  extends svelte.JSX.HTMLAttributes<HTMLElementTagNameMap["button"]> {
+  /**
+   * @default "button2"
+   */
+  type?: string;
+
+  /**
+   * @default false
+   */
+  primary?: boolean;
+}
+
+export default class Button extends SvelteComponentTyped<
+  ButtonProps,
+  { click: WindowEventMap["click"] },
+  { default: {} }
+> {}

integration/glob/types/index.d.ts

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+export { default as Action } from "./action/";
+export { default as Button } from "./button/Button";