"// prettier-ignore" position within comments doesn't matter (#1126)

* // prettier-ignore can be within any part of the comment block

* Add test for // prettier-ignore being anywhere within comments

src/printer.js

@@ -65,7 +65,7 @@ function genericPrint(path, options, printPath) {
   if (
     node.comments &&
     node.comments.length > 0 &&
-    node.comments[node.comments.length - 1].value.trim() === "prettier-ignore"
+    node.comments.some(comment => comment.value.trim() === "prettier-ignore")
   ) {
     return options.originalText.slice(util.locStart(node), util.locEnd(node));
   }

tests/ignore/__snapshots__/jsfmt.spec.js.snap

@@ -26,6 +26,11 @@ exports[`ignore.js 1`] = `
             \\"gross-formatting\\",
   };
 
+  function giveMeSome() {
+    a(  a  ); // prettier-ignore
+    // shouldn't I return something?  :shrug:
+  }
+
   // prettier-ignore
   console.error(
     'In order to use ' + prompt + ', you need to configure a ' +
@@ -85,6 +90,11 @@ function a() {
             \\"gross-formatting\\",
   };
 
+  function giveMeSome() {
+    a(  a  ); // prettier-ignore
+    // shouldn't I return something?  :shrug:
+  }
+
   // prettier-ignore
   console.error(
     'In order to use ' + prompt + ', you need to configure a ' +

tests/ignore/ignore.js

@@ -23,6 +23,11 @@ function a() {
             "gross-formatting",
   };
 
+  function giveMeSome() {
+    a(  a  ); // prettier-ignore
+    // shouldn't I return something?  :shrug:
+  }
+
   // prettier-ignore
   console.error(
     'In order to use ' + prompt + ', you need to configure a ' +