Upgrade flow parser to 0.45 (#1447)

This fixes all the unicode issues and spacing between elements in array.

Fixes #1336
Fixes #1427
Fixes #770

package.json

@@ -15,7 +15,7 @@
     "babylon": "7.0.0-beta.8",
     "chalk": "1.1.3",
     "esutils": "2.0.2",
-    "flow-parser": "0.43.0",
+    "flow-parser": "0.45.0",
     "get-stdin": "5.0.1",
     "glob": "7.1.1",
     "jest-validate": "19.0.0",

src/printer.js

@@ -2180,10 +2180,7 @@ function printPropertyKey(path, options, print) {
     (key.type === "StringLiteral" ||
       (key.type === "Literal" && typeof key.value === "string")) &&
     isIdentifierName(key.value) &&
-    !node.computed &&
+    !node.computed
-    // There's a bug in the flow parser where it throws if there are
-    // unquoted unicode literals as keys. Let's quote them for now.
-    (options.parser !== "flow" || key.value.match(/[a-zA-Z0-9$_]/))
   ) {
     // 'a' -> a
     return path.call(
@@ -3412,13 +3409,6 @@ function nodeStr(node, options) {
   const str = node.value;
   isString.assert(str);
 
-  // Workaround a bug in the Javascript version of the flow parser where
-  // astral unicode characters like \uD801\uDC28 are incorrectly parsed as
-  // a sequence of \uFFFD.
-  if (options.parser === "flow" && str.indexOf("\ufffd") !== -1) {
-    return node.raw;
-  }
-
   const raw = node.extra ? node.extra.raw : node.raw;
   // `rawContent` is the string exactly like it appeared in the input source
   // code, with its enclosing quote.

tests/flow/new_react/__snapshots__/jsfmt.spec.js.snap

@@ -341,6 +341,7 @@ Foo.bar();
 
 var FooLegacy = React.createClass({
   is_mounted: (undefined: ?boolean),
+
   propTypes: {
     x: React.PropTypes.number.isRequired
   },

tests/flow/refinements/__snapshots__/jsfmt.spec.js.snap

@@ -2220,6 +2220,7 @@ function foo(text: string | number): string {
       return "wat";
   }
 }
+
 function bar(text: string | number): string {
   switch (typeof text) {
     case "string":
@@ -2228,16 +2229,17 @@ function bar(text: string | number): string {
       return text++ + "";
   }
 }
+
 function baz1(text: string | number): string {
   switch (typeof text) {
     case "number":
     case "string":
-      return text[0];
+      return text[0]; // error, [0] on number
-    // error, [0] on number
     default:
       return "wat";
   }
 }
+
 function baz2(text: string | number): string {
   switch (typeof text) {
     case "string":
@@ -2247,12 +2249,15 @@ function baz2(text: string | number): string {
       return "wat";
   }
 }
+
 function corge(text: string | number | Array<string>): string {
   switch (typeof text) {
     case "object":
       return text[0];
     case "string":
-    case "number": // using ++ since it isn't valid on arrays or strings. // should only error for string since Array was filtered out.
+    case "number":
+      // using ++ since it isn't valid on arrays or strings.
+      // should only error for string since Array was filtered out.
       return text++ + "";
     default:
       return "wat";

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

@@ -320,3 +320,46 @@ exports[`quotes.js 1`] = `
 <div id={"'\\"&quot;<>&amp;quot;"} />;
 
 `;
+
+exports[`spacing.js 1`] = `
+const Labels = {
+  label1: (
+    <fbt>
+      Label 1
+    </fbt>
+  ),
+
+  label2: (
+    <fbt>
+      Label 2
+    </fbt>
+  ),
+
+  label3: (
+    <fbt>
+      Label 3
+    </fbt>
+  ),
+};
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const Labels = {
+  label1: (
+    <fbt>
+      Label 1
+    </fbt>
+  ),
+
+  label2: (
+    <fbt>
+      Label 2
+    </fbt>
+  ),
+
+  label3: (
+    <fbt>
+      Label 3
+    </fbt>
+  )
+};
+
+`;

tests/jsx/spacing.js

@@ -0,0 +1,19 @@
+const Labels = {
+  label1: (
+    <fbt>
+      Label 1
+    </fbt>
+  ),
+
+  label2: (
+    <fbt>
+      Label 2
+    </fbt>
+  ),
+
+  label3: (
+    <fbt>
+      Label 3
+    </fbt>
+  ),
+};

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

@@ -26,6 +26,7 @@ raw_amp = <span>foo & bar</span>
 many_nbsp = <div>&nbsp; &nbsp; </div>;
 single_nbsp = <div>&nbsp;</div>;
 many_raw_nbsp = <div>&nbsp;&nbsp;&nbsp;</div>;
+
 amp = <span>foo &amp; bar</span>;
 raw_amp = <span>foo & bar</span>;
 

tests/no-semi/__snapshots__/jsfmt.spec.js.snap

@@ -305,6 +305,7 @@ class A {
 
   // none of the semicolons above this comment can be omitted.
   // none of the semicolons below this comment are necessary.
+
   q() {}
   [h]() {}
 
@@ -632,6 +633,7 @@ class A {
 
   // none of the semicolons above this comment can be omitted.
   // none of the semicolons below this comment are necessary.
+
   q() {}
   [h]() {}
 

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

@@ -117,31 +117,44 @@ exports[`strings.js 1`] = `
 "\\0";
 
 // Emoji.
-"🐶"; // Empty string.
+"🐶";
+// Empty string.
 "";
-""; // Single double quote.
+"";
+// Single double quote.
 '"';
-'"'; // Single single quote.
+'"';
+// Single single quote.
 "'";
-"'"; // Unnecessary escapes.
 "'";
-'"'; // One of each.
+// Unnecessary escapes.
+"'";
+'"';
+// One of each.
 "\\"'";
-"\\"'"; // One of each with unnecessary escapes.
 "\\"'";
-"\\"'"; // More double quotes than single quotes.
+// One of each with unnecessary escapes.
+"\\"'";
+"\\"'";
+// More double quotes than single quotes.
 '"\\'"';
-'"\\'"'; // More single quotes than double quotes.
+'"\\'"';
+// More single quotes than double quotes.
 "\\"''";
-"\\"''"; // Two of each.
+"\\"''";
+// Two of each.
 "\\"\\"''";
-"\\"\\"''"; // Single backslash.
+"\\"\\"''";
+// Single backslash.
 "\\\\";
-"\\\\"; // Backslases.
+"\\\\";
+// Backslases.
 "\\"\\\\\\"\\\\\\\\\\" ''\\\\'\\\\'\\\\\\\\'";
-'\\'\\\\\\'\\\\\\\\\\' ""\\\\"\\\\"\\\\\\\\"'; // Somewhat more real-word example.
+'\\'\\\\\\'\\\\\\\\\\' ""\\\\"\\\\"\\\\\\\\"';
+// Somewhat more real-word example.
 "He's sayin': \\"How's it goin'?\\" Don't ask me why.";
-"He's sayin': \\"How's it goin'?\\" Don't ask me why."; // Somewhat more real-word example 2.
+"He's sayin': \\"How's it goin'?\\" Don't ask me why.";
+// Somewhat more real-word example 2.
 'var backslash = "\\\\", doubleQuote = \\'"\\';';
 'var backslash = "\\\\", doubleQuote = \\'"\\';';
 
@@ -234,31 +247,44 @@ exports[`strings.js 2`] = `
 '\\0';
 
 // Emoji.
-'🐶'; // Empty string.
+'🐶';
+// Empty string.
 '';
-''; // Single double quote.
+'';
+// Single double quote.
 '"';
-'"'; // Single single quote.
+'"';
+// Single single quote.
 "'";
-"'"; // Unnecessary escapes.
 "'";
-'"'; // One of each.
+// Unnecessary escapes.
+"'";
+'"';
+// One of each.
 '"\\'';
-'"\\''; // One of each with unnecessary escapes.
 '"\\'';
-'"\\''; // More double quotes than single quotes.
+// One of each with unnecessary escapes.
+'"\\'';
+'"\\'';
+// More double quotes than single quotes.
 '"\\'"';
-'"\\'"'; // More single quotes than double quotes.
+'"\\'"';
+// More single quotes than double quotes.
 "\\"''";
-"\\"''"; // Two of each.
+"\\"''";
+// Two of each.
 '""\\'\\'';
-'""\\'\\''; // Single backslash.
+'""\\'\\'';
+// Single backslash.
 '\\\\';
-'\\\\'; // Backslases.
+'\\\\';
+// Backslases.
 "\\"\\\\\\"\\\\\\\\\\" ''\\\\'\\\\'\\\\\\\\'";
-'\\'\\\\\\'\\\\\\\\\\' ""\\\\"\\\\"\\\\\\\\"'; // Somewhat more real-word example.
+'\\'\\\\\\'\\\\\\\\\\' ""\\\\"\\\\"\\\\\\\\"';
+// Somewhat more real-word example.
 "He's sayin': \\"How's it goin'?\\" Don't ask me why.";
-"He's sayin': \\"How's it goin'?\\" Don't ask me why."; // Somewhat more real-word example 2.
+"He's sayin': \\"How's it goin'?\\" Don't ask me why.";
+// Somewhat more real-word example 2.
 'var backslash = "\\\\", doubleQuote = \\'"\\';';
 'var backslash = "\\\\", doubleQuote = \\'"\\';';
 

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

@@ -49,7 +49,7 @@ exports[`strings.js 1`] = `
 
   "\\0",
   "🐶",
-  '\\uD801\\uDC28'
+  "\\uD801\\uDC28"
 ];
 
 `;
@@ -103,7 +103,7 @@ exports[`strings.js 2`] = `
 
   "\\0",
   "🐶",
-  '\\uD801\\uDC28',
+  "\\uD801\\uDC28",
 ];
 
 `;

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

@@ -3,6 +3,6 @@
 exports[`keys.js 1`] = `
 ({'この事はつもり素晴らしいことさ': '35jL9V'})
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-({ "この事はつもり素晴らしいことさ": "35jL9V" });
+({ この事はつもり素晴らしいことさ: "35jL9V" });
 
 `;

yarn.lock

@@ -746,9 +746,9 @@ find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
-flow-parser@0.43.0:
+flow-parser@0.45.0:
-  version "0.43.0"
+  version "0.45.0"
-  resolved "https://registry.yarnpkg.com/flow-parser/-/flow-parser-0.43.0.tgz#e2b8eb1ac83dd53f7b6b04a7c35b6a52c33479b7"
+  resolved "https://registry.yarnpkg.com/flow-parser/-/flow-parser-0.45.0.tgz#aa29d4ae27f06aa02817772bba0fcbefef7e62f0"
 
 for-in@^0.1.5:
   version "0.1.6"