JS: Format if statements with no else on a single line

test/codegen/expect/expect.js

 dart_library.library('expect', null, /* Imports */[
   "dart/_runtime",
   'dart/core'
 ], /* Lazy imports */[
 ], function(exports, dart, core) {
   'use strict';
   let dartx = dart.dartx;
   class Expect extends core.Object {
     static _truncateString(string, start, end, length) {
       if (dart.notNull(end) - dart.notNull(start) > dart.notNull(length)) {
         end = dart.notNull(start) + dart.notNull(length);
       } else if (dart.notNull(end) - dart.notNull(start) < dart.notNull(length)) {
         let overflow = dart.notNull(length) - (dart.notNull(end) - dart.notNull(start));
-        if (dart.notNull(overflow) > 10)
-          overflow = 10;
+        if (dart.notNull(overflow) > 10) overflow = 10;
         start = dart.notNull(start) - ((dart.notNull(overflow) + 1) / 2)[dartx.truncate]();
         end = dart.notNull(end) + (dart.notNull(overflow) / 2)[dartx.truncate]();
-        if (dart.notNull(start) < 0)
-          start = 0;
-        if (dart.notNull(end) > dart.notNull(string[dartx.length]))
-          end = string[dartx.length];
+        if (dart.notNull(start) < 0) start = 0;
+        if (dart.notNull(end) > dart.notNull(string[dartx.length])) end = string[dartx.length];
       }
-      if (start == 0 && end == string[dartx.length])
-        return string;
+      if (start == 0 && end == string[dartx.length]) return string;
       let buf = new core.StringBuffer();
-      if (dart.notNull(start) > 0)
-        buf.write("...");
+      if (dart.notNull(start) > 0) buf.write("...");
       for (let i = start; dart.notNull(i) < dart.notNull(end); i = dart.notNull(i) + 1) {
         let code = string[dartx.codeUnitAt](i);
         if (dart.notNull(code) < 32) {
           buf.write("\\x");
           buf.write("0123456789abcdef"[dartx.get]((dart.notNull(code) / 16)[dartx.truncate]()));
           buf.write("0123456789abcdef"[dartx.get](dart.notNull(code) % 16));
         } else {
           buf.writeCharCode(string[dartx.codeUnitAt](i));
         }
       }
-      if (dart.notNull(end) < dart.notNull(string[dartx.length]))
-        buf.write("...");
+      if (dart.notNull(end) < dart.notNull(string[dartx.length])) buf.write("...");
       return dart.toString(buf);
     }
     static _stringDifference(expected, actual) {
-      if (dart.notNull(expected[dartx.length]) < 20 && dart.notNull(actual[dartx.length]) < 20)
-        return null;
+      if (dart.notNull(expected[dartx.length]) < 20 && dart.notNull(actual[dartx.length]) < 20) return null;
       for (let i = 0; dart.notNull(i) < dart.notNull(expected[dartx.length]) && dart.notNull(i) < dart.notNull(actual[dartx.length]); i = dart.notNull(i) + 1) {
         if (expected[dartx.codeUnitAt](i) != actual[dartx.codeUnitAt](i)) {
           let start = i;
           i = dart.notNull(i) + 1;
           while (dart.notNull(i) < dart.notNull(expected[dartx.length]) && dart.notNull(i) < dart.notNull(actual[dartx.length])) {
-            if (expected[dartx.codeUnitAt](i) == actual[dartx.codeUnitAt](i))
-              break;
+            if (expected[dartx.codeUnitAt](i) == actual[dartx.codeUnitAt](i)) break;
             i = dart.notNull(i) + 1;
           }
           let end = i;
           let truncExpected = Expect._truncateString(expected, start, end, 20);
           let truncActual = Expect._truncateString(actual, start, end, 20);
           return `at index ${start}: Expected <${truncExpected}>, ` + `Found: <${truncActual}>`;
         }
       }
       return null;
     }
     static equals(expected, actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (dart.equals(expected, actual))
-        return;
+      if (reason === void 0) reason = null;
+      if (dart.equals(expected, actual)) return;
       let msg = Expect._getMessage(reason);
       if (typeof expected == 'string' && typeof actual == 'string') {
         let stringDifference = Expect._stringDifference(dart.as(expected, core.String), dart.as(actual, core.String));
         if (stringDifference != null) {
           Expect._fail(`Expect.equals(${stringDifference}${msg}) fails.`);
         }
       }
       Expect._fail(`Expect.equals(expected: <${expected}>, actual: <${actual}>${msg}) fails.`);
     }
     static isTrue(actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (dart.notNull(_identical(actual, true)))
-        return;
+      if (reason === void 0) reason = null;
+      if (dart.notNull(_identical(actual, true))) return;
       let msg = Expect._getMessage(reason);
       Expect._fail(`Expect.isTrue(${actual}${msg}) fails.`);
     }
     static isFalse(actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (dart.notNull(_identical(actual, false)))
-        return;
+      if (reason === void 0) reason = null;
+      if (dart.notNull(_identical(actual, false))) return;
       let msg = Expect._getMessage(reason);
       Expect._fail(`Expect.isFalse(${actual}${msg}) fails.`);
     }
     static isNull(actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (null == actual)
-        return;
+      if (reason === void 0) reason = null;
+      if (null == actual) return;
       let msg = Expect._getMessage(reason);
       Expect._fail(`Expect.isNull(actual: <${actual}>${msg}) fails.`);
     }
     static isNotNull(actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (null != actual)
-        return;
+      if (reason === void 0) reason = null;
+      if (null != actual) return;
       let msg = Expect._getMessage(reason);
       Expect._fail(`Expect.isNotNull(actual: <${actual}>${msg}) fails.`);
     }
     static identical(expected, actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (dart.notNull(_identical(expected, actual)))
-        return;
+      if (reason === void 0) reason = null;
+      if (dart.notNull(_identical(expected, actual))) return;
       let msg = Expect._getMessage(reason);
       Expect._fail(`Expect.identical(expected: <${expected}>, actual: <${actual}>${msg}) ` + "fails.");
     }
     static fail(msg) {
       Expect._fail(`Expect.fail('${msg}')`);
     }
     static approxEquals(expected, actual, tolerance, reason) {
-      if (tolerance === void 0)
-        tolerance = null;
-      if (reason === void 0)
-        reason = null;
+      if (tolerance === void 0) tolerance = null;
+      if (reason === void 0) reason = null;
       if (tolerance == null) {
         tolerance = (dart.notNull(expected) / 10000.0)[dartx.abs]();
       }
-      if (dart.notNull((dart.notNull(expected) - dart.notNull(actual))[dartx.abs]()) <= dart.notNull(tolerance))
-        return;
+      if (dart.notNull((dart.notNull(expected) - dart.notNull(actual))[dartx.abs]()) <= dart.notNull(tolerance)) return;
       let msg = Expect._getMessage(reason);
       Expect._fail(`Expect.approxEquals(expected:<${expected}>, actual:<${actual}>, ` + `tolerance:<${tolerance}>${msg}) fails`);
     }
     static notEquals(unexpected, actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (!dart.equals(unexpected, actual))
-        return;
+      if (reason === void 0) reason = null;
+      if (!dart.equals(unexpected, actual)) return;
       let msg = Expect._getMessage(reason);
       Expect._fail(`Expect.notEquals(unexpected: <${unexpected}>, actual:<${actual}>${msg}) ` + "fails.");
     }
     static listEquals(expected, actual, reason) {
-      if (reason === void 0)
-        reason = null;
+      if (reason === void 0) reason = null;
       let msg = Expect._getMessage(reason);
       let n = dart.notNull(expected[dartx.length]) < dart.notNull(actual[dartx.length]) ? expected[dartx.length] : actual[dartx.length];
       for (let i = 0; dart.notNull(i) < dart.notNull(n); i = dart.notNull(i) + 1) {
         if (!dart.equals(expected[dartx.get](i), actual[dartx.get](i))) {
           Expect._fail(`Expect.listEquals(at index ${i}, ` + `expected: <${expected[dartx.get](i)}>, actual: <${actual[dartx.get](i)}>${msg}) fails`);
         }
       }
       if (expected[dartx.length] != actual[dartx.length]) {
         Expect._fail('Expect.listEquals(list length, ' + `expected: <${expected[dartx.length]}>, actual: <${actual[dartx.length]}>${msg}) ` + 'fails: Next element <' + `${dart.notNull(expected[dartx.length]) > dart.notNull(n) ? expected[dartx.get](n) : actual[dartx.get](n)}>`);
       }
     }
     static mapEquals(expected, actual, reason) {
-      if (reason === void 0)
-        reason = null;
+      if (reason === void 0) reason = null;
       let msg = Expect._getMessage(reason);
       for (let key of expected.keys) {
         if (!dart.notNull(actual.containsKey(key))) {
           Expect._fail(`Expect.mapEquals(missing expected key: <${key}>${msg}) fails`);
         }
         Expect.equals(expected.get(key), actual.get(key));
       }
       for (let key of actual.keys) {
         if (!dart.notNull(expected.containsKey(key))) {
           Expect._fail(`Expect.mapEquals(unexpected key: <${key}>${msg}) fails`);
         }
       }
     }
     static stringEquals(expected, actual, reason) {
-      if (reason === void 0)
-        reason = null;
-      if (expected == actual)
-        return;
+      if (reason === void 0) reason = null;
+      if (expected == actual) return;
       let msg = Expect._getMessage(reason);
       let defaultMessage = `Expect.stringEquals(expected: <${expected}>", <${actual}>${msg}) fails`;
       if (expected == null || actual == null) {
         Expect._fail(`${defaultMessage}`);
       }
       let left = 0;
       let right = 0;
       let eLen = expected[dartx.length];
       let aLen = actual[dartx.length];
       while (true) {
@@ skipping 16 matching lines @@
       let eSnippet = expected[dartx.substring](left, dart.notNull(eLen) - dart.notNull(right));
       let aSnippet = actual[dartx.substring](left, dart.notNull(aLen) - dart.notNull(right));
       if (dart.notNull(eSnippet[dartx.length]) > 43) {
         eSnippet = dart.notNull(eSnippet[dartx.substring](0, 20)) + "..." + dart.notNull(eSnippet[dartx.substring](dart.notNull(eSnippet[dartx.length]) - 20));
       }
       if (dart.notNull(aSnippet[dartx.length]) > 43) {
         aSnippet = dart.notNull(aSnippet[dartx.substring](0, 20)) + "..." + dart.notNull(aSnippet[dartx.substring](dart.notNull(aSnippet[dartx.length]) - 20));
       }
       let leftLead = "...";
       let rightTail = "...";
-      if (dart.notNull(left) <= 10)
-        leftLead = "";
-      if (dart.notNull(right) <= 10)
-        rightTail = "";
+      if (dart.notNull(left) <= 10) leftLead = "";
+      if (dart.notNull(right) <= 10) rightTail = "";
       let diff = `\nDiff (${left}..${dart.notNull(eLen) - dart.notNull(right)}/${dart.notNull(aLen) - dart.notNull(right)}):\n` + `${leftLead}${leftSnippet}[ ${eSnippet} ]${rightSnippet}${rightTail}\n` + `${leftLead}${leftSnippet}[ ${aSnippet} ]${rightSnippet}${rightTail}`;
       Expect._fail(`${defaultMessage}${diff}`);
     }
     static setEquals(expected, actual, reason) {
-      if (reason === void 0)
-        reason = null;
+      if (reason === void 0) reason = null;
       let missingSet = core.Set.from(expected);
       missingSet.removeAll(actual);
       let extraSet = core.Set.from(actual);
       extraSet.removeAll(expected);
-      if (dart.notNull(extraSet.isEmpty) && dart.notNull(missingSet.isEmpty))
-        return;
+      if (dart.notNull(extraSet.isEmpty) && dart.notNull(missingSet.isEmpty)) return;
       let msg = Expect._getMessage(reason);
       let sb = new core.StringBuffer(`Expect.setEquals(${msg}) fails`);
       if (!dart.notNull(missingSet.isEmpty)) {
         sb.write('\nExpected collection does not contain: ');
       }
       for (let val of missingSet) {
         sb.write(`${val} `);
       }
       if (!dart.notNull(extraSet.isEmpty)) {
         sb.write('\nExpected collection should not contain: ');
       }
       for (let val of extraSet) {
         sb.write(`${val} `);
       }
       Expect._fail(dart.toString(sb));
     }
     static throws(f, check, reason) {
-      if (check === void 0)
-        check = null;
-      if (reason === void 0)
-        reason = null;
+      if (check === void 0) check = null;
+      if (reason === void 0) reason = null;
       let msg = reason == null ? "" : `(${reason})`;
       if (!dart.is(f, _Nullary)) {
         Expect._fail(`Expect.throws${msg}: Function f not callable with zero arguments`);
       }
       try {
         f();
       } catch (e) {
         let s = dart.stackTrace(e);
         if (check != null) {
           if (!dart.notNull(dart.dcall(check, e))) {
@@ skipping 74 matching lines @@
   dart.setSignature(AssumeDynamic, {
     constructors: () => ({AssumeDynamic: [AssumeDynamic, []]})
   });
   // Exports:
   exports.Expect = Expect;
   exports.ExpectException = ExpectException;
   exports.NoInline = NoInline;
   exports.TrustTypeAnnotations = TrustTypeAnnotations;
   exports.AssumeDynamic = AssumeDynamic;
 });