fix lint

contracts/mocks/SafeCastMock.sol

@@ -255,5 +255,4 @@ contract SafeCastMock {
     function toInt8(int256 a) public pure returns (int8) {
         return a.toInt8();
     }
-
 }

scripts/generate/format-lines.js

@@ -9,7 +9,7 @@ function *indentEach (indent, lines) {
     } else if (Array.isArray(line)) {
       yield * indentEach(indent + 1, line);
     } else {
-      yield '  '.repeat(indent) + line;
+      yield '    '.repeat(indent) + line;
     }
   }
 }

scripts/generate/templates/SafeCast.js

@@ -101,6 +101,6 @@ module.exports = format(
     toUint(256),
     ...LENGTHS.map(size => toIntDownCast(size)),
     toInt(256).trimEnd(),
-  ].map(fn => fn.split('\n')),
+  ].flatMap(fn => fn.split('\n')),
   '}',
 );

scripts/generate/templates/SafeCastMock.js

@@ -46,6 +46,6 @@ module.exports = format(
     ...LENGTHS.map(size => toUintDownCast(size)),
     toInt(256),
     ...LENGTHS.map(size => toIntDownCast(size)),
-  ].map(fn => fn.split('\n')),
+  ].flatMap(fn => fn.split('\n')).slice(0, -1),
   '}',
 );