refactor: remove a lot of implicit anys (#7468)

packages/docusaurus-mdx-loader/src/remark/toc/__tests__/__snapshots__/index.test.ts.snap

@@ -75,50 +75,6 @@ exports[`toc remark plugin exports even with existing name 1`] = `
 "
 `;
 
-exports[`toc remark plugin exports with custom name 1`] = `
-"export const customName = [
-	{
-		value: 'Endi',
-		id: 'endi',
-		level: 3
-	},
-	{
-		value: 'Endi',
-		id: 'endi-1',
-		level: 2
-	},
-	{
-		value: 'Yangshun',
-		id: 'yangshun',
-		level: 3
-	},
-	{
-		value: 'I ♥ unicode.',
-		id: 'i--unicode',
-		level: 2
-	}
-];
-
-### Endi
-
-\`\`\`md
-## This is ignored
-\`\`\`
-
-## Endi
-
-Lorem ipsum
-
-### Yangshun
-
-Some content here
-
-## I ♥ unicode.
-
-export const c = 1;
-"
-`;
-
 exports[`toc remark plugin handles empty headings 1`] = `
 "export const toc = [];
 

packages/docusaurus-mdx-loader/src/remark/toc/__tests__/index.test.ts

@@ -12,13 +12,13 @@ import vfile from 'to-vfile';
 import plugin from '../index';
 import headings from '../../headings/index';
 
-const processFixture = async (name, options?) => {
+const processFixture = async (name: string) => {
   const filePath = path.join(__dirname, '__fixtures__', `${name}.md`);
   const file = await vfile.read(filePath);
   const result = await remark()
     .use(headings)
     .use(mdx)
-    .use(plugin, options)
+    .use(plugin)
     .process(file);
 
   return result.toString();
@@ -45,14 +45,6 @@ describe('toc remark plugin', () => {
     expect(result).toMatchSnapshot();
   });
 
-  it('exports with custom name', async () => {
-    const options = {
-      name: 'customName',
-    };
-    const result = await processFixture('just-content', options);
-    expect(result).toMatchSnapshot();
-  });
-
   it('inserts below imports', async () => {
     const result = await processFixture('insert-below-imports');
     expect(result).toMatchSnapshot();

packages/docusaurus-mdx-loader/src/remark/toc/index.ts

@@ -23,15 +23,13 @@ const parseOptions: ParserOptions = {
   sourceType: 'module',
 };
 
+const name = 'toc';
+
 const isImport = (child: Node): child is Literal => child.type === 'import';
 const hasImports = (index: number) => index > -1;
 const isExport = (child: Node): child is Literal => child.type === 'export';
 
-type PluginOptions = {
-  name?: string;
-};
-
-const isTarget = (child: Literal, name: string) => {
+const isTarget = (child: Literal) => {
   let found = false;
   const ast = parse(child.value, parseOptions);
   traverse(ast, {
@@ -44,14 +42,14 @@ const isTarget = (child: Literal, name: string) => {
   return found;
 };
 
-const getOrCreateExistingTargetIndex = (children: Node[], name: string) => {
+const getOrCreateExistingTargetIndex = (children: Node[]) => {
   let importsIndex = -1;
   let targetIndex = -1;
 
   children.forEach((child, index) => {
     if (isImport(child)) {
       importsIndex = index;
-    } else if (isExport(child) && isTarget(child, name)) {
+    } else if (isExport(child) && isTarget(child)) {
       targetIndex = index;
     }
   });
@@ -70,9 +68,7 @@ const getOrCreateExistingTargetIndex = (children: Node[], name: string) => {
   return targetIndex;
 };
 
-export default function plugin(options: PluginOptions = {}): Transformer {
-  const name = options.name || 'toc';
-
+export default function plugin(): Transformer {
   return (root) => {
     const headings: TOCItem[] = [];
 
@@ -91,7 +87,7 @@ export default function plugin(options: PluginOptions = {}): Transformer {
       });
     });
     const {children} = root as Parent<Literal>;
-    const targetIndex = getOrCreateExistingTargetIndex(children, name);
+    const targetIndex = getOrCreateExistingTargetIndex(children);
 
     if (headings.length) {
       children[targetIndex]!.value = `export const ${name} = ${stringifyObject(