[Breaking] update svgo to v2; drop node < v10.13

Author: ljharb

.travis.yml

@@ -2,10 +2,11 @@ language: node_js
 os:
  - linux
 node_js:
+  - "15"
+  - "14"
+  - "12"
   - "10"
-  - "9"
-  - "8"
-  - "6"
+  - "10.13"
 before_install:
   - 'nvm install-latest-npm'
 script:

package.json

@@ -50,6 +50,9 @@
     "@babel/parser": "^7.0.0",
     "lodash.isplainobject": "^4.0.6",
     "resolve": "^1.20.0",
-    "svgo": "^0.7.2"
+    "svgo": "^2.0.0"
+  },
+  "engines": {
+    "node": ">=10.13"
   }
 }

src/escapeBraces.js

@@ -7,5 +7,5 @@ export default function escapeBraces(raw) {
   // <style> .class1 {} .class2{}</style>
   // to
   // <style> .class1 {`{`}{`}`} .class2{`{`}{`}`}</style>
-  return raw.replace(/(\{|\})/g, '{`$1`}');
+  return { ...raw, data: raw.data.replace(/(\{|\})/g, '{`$1`}') };
 }

src/index.js

@@ -75,7 +75,7 @@ export default declare(({
 
       const escapeSvgSource = escapeBraces(optimizedSource);
 
-      const parsedSvgAst = parse(escapeSvgSource, {
+      const parsedSvgAst = parse(escapeSvgSource.data, {
         sourceType: 'module',
         plugins: ['jsx'],
       });

src/optimize.js

@@ -1,7 +1,7 @@
 // validates svgo opts
 // to contain minimal set of plugins that will strip some stuff
 // for the babylon JSX parser to work
-import Svgo from 'svgo';
+import * as SVGO from 'svgo';
 import isPlainObject from 'lodash.isplainobject';
 
 const essentialPlugins = ['removeDoctype', 'removeComments'];
@@ -54,17 +54,6 @@ function validateAndFix(opts) {
 
 export default function optimize(content, opts = {}) {
   validateAndFix(opts);
-  const svgo = new Svgo(opts);
 
-  // Svgo isn't _really_ async, so let's do it this way:
-  let returnValue;
-  svgo.optimize(content, (response) => {
-    if (response.error) {
-      returnValue = response.error;
-    } else {
-      returnValue = response.data;
-    }
-  });
-
-  return returnValue;
+  return SVGO.optimize(content, opts);
 }