fix: handle filename with numbers

Fixes #62
Replace #64

src/__snapshots__/index.test.js.snap

@@ -171,3 +171,12 @@ const MyComponent = (props) => {/*?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?*/
 
 export default MyComponent"
 `;
+
+exports[`should handle componentName with only numbers 1`] = `
+"import React from 'react'
+
+const Svg1BigSvg = (props) => <svg />
+
+
+export default Svg1BigSvg"
+`;

src/index.js

@@ -27,9 +27,17 @@ export {
   removeStyle,
 }
 
-function expandState(state) {
+function getComponentName(state) {
   const componentName = pascalCase(path.parse(state.filePath).name)
-  return { ...state, componentName }
+  if (Number.isNaN(parseInt(componentName[0], 10))) {
+    return componentName
+  }
+
+  return `Svg${componentName}`
+}
+
+function expandState(state) {
+  return { componentName: getComponentName(state), ...state  }
 }
 
 export async function rawConvert(code, options, state) {

src/index.test.js

@@ -36,13 +36,28 @@ describe('rawConvert', () => {
         },
         template: wrapIntoComponent({ expandProps: true }),
       },
-      { filePath: 'MyComponent.js' },
+      { filePath: 'MyComponent.svg' },
     )
 
     expect(result).toMatchSnapshot()
   })
 })
 
+it('should handle componentName with only numbers', async () => {
+  const result = await rawConvert(
+    `<svg></svg>`,
+    {
+      h2x: {
+        plugins: [jsx],
+      },
+      template: wrapIntoComponent({ expandProps: true }),
+    },
+    { filePath: '1_big_svg.svg' },
+  )
+
+  expect(result).toMatchSnapshot()
+})
+
 describe('convert', () => {
   it('should convert using config', async () => {
     const result = await convert(