fix: remove null-byte characters (#154)

Remove null-byte character (added when copy paste from Illustrator).

Fixes #153

Author: adrianhelvik

packages/core/src/__snapshots__/convert.test.js.snap

@@ -379,6 +379,24 @@ export default SvgComponent
 "
 `;
 
+exports[`convert should remove null characters 1`] = `
+"import React from 'react'
+
+const SvgComponent = props => (
+  <svg width={25} height={25} {...props}>
+    <path
+      d=\\"M19.4 24.5H5.6c-2.8 0-5.1-2.3-5.1-5.1V5.6C.5 2.8 2.8.5 5.6.5h13.8c2.8 0 5.1 2.3 5.1 5.1v13.8c0 2.8-2.3 5.1-5.1 5.1z\\"
+      fill=\\"#fff\\"
+      stroke=\\"#434a54\\"
+      strokeMiterlimit={10}
+    />
+  </svg>
+)
+
+export default SvgComponent
+"
+`;
+
 exports[`convert should remove style tags 1`] = `
 "import React from 'react'
 

packages/core/src/convert.js

@@ -9,6 +9,8 @@ async function convert(code, config = {}, state = {}) {
   config = { ...DEFAULT_CONFIG, ...config }
   state = expandState(state)
   let result = code
+  // Remove null-byte character (copy/paste from Illustrator)
+  result = String(result).replace('\0', '')
   result = await svgo(result, config, state)
   result = await h2x(result, config, state)
   result = await transform(result, config, state)

packages/core/src/convert.test.js

@@ -187,6 +187,27 @@ describe('convert', () => {
     expect(result).toMatchSnapshot()
   })
 
+  it('should remove null characters', async () => {
+    const result = await convert(
+      `<!-- Generator: Adobe Illustrator 21.1.0, SVG Export Plug-In  -->
+<svg version="1.1"
+	 xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:a="http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/"
+	 x="0px" y="0px" width="25px" height="25px" viewBox="0 0 25 25" style="enable-background:new 0 0 25 25;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#FFFFFF;stroke:#434A54;stroke-miterlimit:10;}
+</style>
+<defs>
+</defs>
+<path class="st0" d="M19.4,24.5H5.6c-2.8,0-5.1-2.3-5.1-5.1V5.6c0-2.8,2.3-5.1,5.1-5.1h13.8c2.8,0,5.1,2.3,5.1,5.1v13.8
+	C24.5,22.2,22.2,24.5,19.4,24.5z"/>
+</svg>
+\0`
+    )
+
+    expect(result).toMatchSnapshot()
+    expect(result).not.toContain('\0')
+  })
+
   describe('config', () => {
     const configs = [
       [{ dimensions: false }],
@@ -228,3 +249,4 @@ describe('convert', () => {
     })
   })
 })
+