Fix TypeScript definitions for targets

Author: devongovett

node/targets.d.ts

@@ -1,13 +1,13 @@
 // This file is autogenerated by build-prefixes.js. DO NOT EDIT!
 
 export interface Targets {
-  android?: string,
-  chrome?: string,
-  edge?: string,
-  firefox?: string,
-  ie?: string,
-  ios_saf?: string,
-  opera?: string,
-  safari?: string,
-  samsung?: string
+  android?: number,
+  chrome?: number,
+  edge?: number,
+  firefox?: number,
+  ie?: number,
+  ios_saf?: number,
+  opera?: number,
+  safari?: number,
+  samsung?: number
 }

scripts/build-prefixes.js

@@ -261,7 +261,7 @@ fs.writeFileSync('src/targets.rs', targets);
 let targets_dts = `// This file is autogenerated by build-prefixes.js. DO NOT EDIT!
 
 export interface Targets {
-  ${Object.keys(browsers).filter(b => !(b in BROWSER_MAPPING)).sort().join('?: string,\n  ')}?: string
+  ${Object.keys(browsers).filter(b => !(b in BROWSER_MAPPING)).sort().join('?: number,\n  ')}?: number
 }
 `;