fix(index): don't set to value (options) (#339)

Author: camshaft

lib/index.js

@@ -103,7 +103,6 @@ module.exports = function loader (css, map, meta) {
 
     let plugins = config.plugins || []
     let options = Object.assign({
-      to: file,
       from: file,
       map: sourceMap
         ? sourceMap === 'inline'

test/options/__snapshots__/sourceMap.test.js.snap

@@ -4,11 +4,11 @@ exports[`Options Sourcemap - {Boolean} 1`] = `"module.exports = \\"a { color: rg
 
 exports[`Options Sourcemap - {Boolean} 2`] = `
 Object {
-  "file": "../../style.css",
+  "file": "../fixtures/css/style.css",
   "mappings": "AAAA,IAAI,2BAAY,EAAE",
   "names": Array [],
   "sources": Array [
-    "../../style.css",
+    "../fixtures/css/style.css",
   ],
   "sourcesContent": Array [
     "a { color: black }
@@ -18,4 +18,4 @@ Object {
 }
 `;
 
-exports[`Options Sourcemap - {String} 1`] = `"module.exports = \\"a { color: rgba(255, 0, 0, 1.0) }\\\\n\\\\n/*# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInN0eWxlLmNzcyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQSxJQUFJLDJCQUFZLEVBQUUiLCJmaWxlIjoic3R5bGUuY3NzIiwic291cmNlc0NvbnRlbnQiOlsiYSB7IGNvbG9yOiBibGFjayB9XG4iXX0= */\\""`;
+exports[`Options Sourcemap - {String} 1`] = `"module.exports = \\"a { color: rgba(255, 0, 0, 1.0) }\\\\n\\\\n/*# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInRlc3QvZml4dHVyZXMvY3NzL3N0eWxlLmNzcyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQSxJQUFJLDJCQUFZLEVBQUUiLCJmaWxlIjoidGVzdC9maXh0dXJlcy9jc3Mvc3R5bGUuY3NzIiwic291cmNlc0NvbnRlbnQiOlsiYSB7IGNvbG9yOiBibGFjayB9XG4iXX0= */\\""`;

test/options/sourceMap.test.js

@@ -41,7 +41,7 @@ describe('Options', () => {
     return webpack('css/index.js', config).then((stats) => {
         const src = loader(stats).src
 
-        expect(src).toEqual("module.exports = \"a { color: rgba(255, 0, 0, 1.0) }\\n\\n/*# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInN0eWxlLmNzcyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQSxJQUFJLDJCQUFZLEVBQUUiLCJmaWxlIjoic3R5bGUuY3NzIiwic291cmNlc0NvbnRlbnQiOlsiYSB7IGNvbG9yOiBibGFjayB9XG4iXX0= */\"")
+        expect(src).toEqual("module.exports = \"a { color: rgba(255, 0, 0, 1.0) }\\n\\n/*# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInRlc3QvZml4dHVyZXMvY3NzL3N0eWxlLmNzcyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQSxJQUFJLDJCQUFZLEVBQUUiLCJmaWxlIjoidGVzdC9maXh0dXJlcy9jc3Mvc3R5bGUuY3NzIiwic291cmNlc0NvbnRlbnQiOlsiYSB7IGNvbG9yOiBibGFjayB9XG4iXX0= */\"")
         expect(src).toMatchSnapshot()
       })
   })