cleanup

contrib/bake-vscode/node_modules/yeoman-generator/lib/util/binary-diff.js

@@ -0,0 +1,48 @@
+'use strict';
+const fs = require('fs');
+const readChunk = require('read-chunk');
+const istextorbinary = require('istextorbinary');
+const dateFormat = require('dateformat');
+const prettyBytes = require('pretty-bytes');
+const Table = require('cli-table');
+
+exports.isBinary = (existingFilePath, newFileContents) => {
+  const existingHeader = readChunk.sync(existingFilePath, 0, 512);
+  return (
+    istextorbinary.isBinarySync(undefined, existingHeader) ||
+    (newFileContents && istextorbinary.isBinarySync(undefined, newFileContents))
+  );
+};
+
+exports.diff = (existingFilePath, newFileContents) => {
+  const existingStat = fs.statSync(existingFilePath);
+  const table = new Table({
+    head: ['', 'Existing', 'Replacement', 'Diff']
+  });
+
+  let sizeDiff;
+
+  if (!newFileContents) {
+    newFileContents = Buffer.from([]);
+  }
+
+  if (existingStat.size > newFileContents.length) {
+    sizeDiff = '-';
+  } else {
+    sizeDiff = '+';
+  }
+
+  sizeDiff += prettyBytes(Math.abs(existingStat.size - newFileContents.length));
+
+  table.push(
+    [
+      'Size',
+      prettyBytes(existingStat.size),
+      prettyBytes(newFileContents.length),
+      sizeDiff
+    ],
+    ['Last modified', dateFormat(existingStat.mtime), '', '']
+  );
+
+  return table.toString();
+};