lint and autoformat

Author: hdachev

.jshintrc

@@ -0,0 +1,6 @@
+{ "node": true
+, "supernew": true
+, "laxcomma": true
+, "laxbreak": true
+, "unused": true
+}

jsfmt.js

@@ -0,0 +1,119 @@
+
+function formatSource(src) {
+  var literals = {}
+    , idc = 0;
+
+  function stash(literal) {
+    var id = idc++;
+    literals[id] = literal;
+    return "__unstash(" + id + ")";
+  }
+
+  function unstash(macro) {
+    return literals[macro.replace(/[^0-9]+/g, '')];
+  }
+
+  return (
+    src
+
+      // stash string literals, comments and regexps
+      .replace(/\/\/[^\n]*/g, stash)
+      .replace(/\/\*[^]*?\*\//g, stash)
+
+      .replace(/'[^\n']*?(\\'[^\n']*?)*'/g, stash)
+      .replace(/"[^\n"]*?(\\"[^\n"]*?)*"/g, stash)
+      .replace(/\/[^\n\/]*?(\\\/[^\n\/]*?)*\/[a-z]*/g, stash)
+
+      .replace(/\/\/[^\n]*/g, stash)
+      .replace(/\/\*[^]*?\*\//g, stash)
+
+      .replace(/'[^\n']*?(\\'[^\n']*?)*'/g, stash)
+      .replace(/"[^\n"]*?(\\"[^\n"]*?)*"/g, stash)
+      .replace(/\/[^\n\/]*?(\\\/[^\n\/]*?)*\/[a-z]*/g, stash)
+
+      // assume 4 space indent style
+      .replace(/    /g, "\t")
+      .replace(/  +/g, " ")
+
+      // remove spaces around parens
+      .replace(/ *([[({})\]]) */g, "$1")
+      .replace(/ *([[({})\]]) */g, "$1")
+      .replace(/ *([[({})\]]) */g, "$1")
+
+      // till unstash
+
+      // keep spaces around keywords/identifiers
+      .replace(/(if|else|while|for|return|do)([({[])/g, "$1 $2")
+      .replace(/([)}])([a-zA-Z])/g, "$1 $2")
+
+      // fix ){
+      .replace(/\)\{/g, ") {")
+      // fix one liner functions
+      .replace(/\{([\S])/g, "{ $1")
+      .replace(/([\S])\}/g, "$1 }")
+
+      // fix { }
+      .replace(/\{ \}/g, "{}")
+
+      // move opening { on same line
+      .replace(/\n\s*\{\s*\n/g, " {\n")
+
+      // move opening ( on same line
+      .replace(/\n\s*\(\s*\n/g, "(\n")
+
+      // fix : spacing
+      .replace(/\s*:\s*/g, ": ")
+
+      // fix ternary operator : spacing
+      .replace(/(\?[^\n:]+):/g, "$1 :")
+
+      // fix operator spacing
+      .replace(/\s*(\+\+|--|\|\||&&|\+=|-=|\*=|\/=|\+|-|<=|>=|<+|>+|!==|===|=|%)[^\S\n]*/g, " $1 ")
+      .replace(/\s*(\+\+|--|\|\||&&|\+=|-=|\*=|\/=|\+|-|<=|>=|<+|>+|!==|===|=|%)[^\S\n]*/g, " $1 ")
+      .replace(/\s*(\+\+|--) */g, "$1")
+
+      // unstash stuff
+      .replace(/__unstash\([0-9]+\)/g, unstash)
+      .replace(/__unstash\([0-9]+\)/g, unstash)
+      .replace(/__unstash\([0-9]+\)/g, unstash)
+      .replace(/__unstash\([0-9]+\)/g, unstash)
+
+      // from here on only patterns that include newlines are safe
+
+      // fix var indent and move var , on next line
+      .replace(/var [^\;]+;/g, function(vars) {
+        return vars.replace(/,(\n(?:\t*\n)*\t+)/g, "$1, ");
+      })
+
+      // move obj literal commas for comma-first style
+      .replace(/,(\n(?:\t*(?:\/\/[^\n]*)?\n)*)\t([a-zA-Z$_])/g, "$1, $2")
+
+      // fix non-whitespace followed commas
+      .replace(/,([\S])/g, ", $1")
+
+      // indent = 2 spaces
+      .replace(/\t/g, "  ")
+
+      // fix the stupid comment style
+      .replace(/  \/\/\/\/ */g, "// ")
+
+      // remove more than two line long instances of whitespace
+      .replace(/\n\n\n\n+/g, "\n\n\n")
+  );
+}
+
+var fs = require('fs');
+function formatFile(filename) {
+  fs.readFile(filename + '.unfmt.js', 'utf8', function(err, src) {
+    if (err)
+      throw err;
+
+    fs.writeFile(filename + '.js', formatSource(src), function(err) {
+      if (err)
+        throw err;
+    });
+  });
+}
+
+var filenames = ["main", "lib/backend", "lib/connection", "lib/helpers"];
+filenames.forEach(formatFile);