eslint

src/syntax.js

@@ -1,55 +1,55 @@
-const operators = require('./operators.js');
-const lexical = require('./lexical.js');
-const assert = require('../src/util/assert.js');
+const operators = require('./operators.js')
+const lexical = require('./lexical.js')
+const assert = require('../src/util/assert.js')
 
-function evalExp(exp, scope) {
-    assert(scope, 'unable to evalExp: scope undefined');
-    var operatorREs = lexical.operators,
-        match;
-    for (var i = 0; i < operatorREs.length; i++) {
-        var operatorRE = operatorREs[i];
-        var expRE = new RegExp(`^(${lexical.quoteBalanced.source})(${operatorRE.source})(${lexical.quoteBalanced.source})$`);
-        if (match = exp.match(expRE)) {
-            var l = evalExp(match[1], scope);
-            var op = operators[match[2].trim()];
-            var r = evalExp(match[3], scope);
-            return op(l, r);
-        }
+function evalExp (exp, scope) {
+  assert(scope, 'unable to evalExp: scope undefined')
+  var operatorREs = lexical.operators
+  var match
+  for (var i = 0; i < operatorREs.length; i++) {
+    var operatorRE = operatorREs[i]
+    var expRE = new RegExp(`^(${lexical.quoteBalanced.source})(${operatorRE.source})(${lexical.quoteBalanced.source})$`)
+    if ((match = exp.match(expRE))) {
+      var l = evalExp(match[1], scope)
+      var op = operators[match[2].trim()]
+      var r = evalExp(match[3], scope)
+      return op(l, r)
     }
+  }
 
-    if (match = exp.match(lexical.rangeLine)) {
-        var low = evalValue(match[1], scope),
-            high = evalValue(match[2], scope);
-        var range = [];
-        for (var j = low; j <= high; j++) {
-            range.push(j);
-        }
-        return range;
+  if ((match = exp.match(lexical.rangeLine))) {
+    var low = evalValue(match[1], scope)
+    var high = evalValue(match[2], scope)
+    var range = []
+    for (var j = low; j <= high; j++) {
+      range.push(j)
     }
+    return range
+  }
 
-    return evalValue(exp, scope);
+  return evalValue(exp, scope)
 }
 
-function evalValue(str, scope) {
-    str = str && str.trim();
-    if (!str) return undefined;
+function evalValue (str, scope) {
+  str = str && str.trim()
+  if (!str) return undefined
 
-    if (lexical.isLiteral(str)) {
-        return lexical.parseLiteral(str);
-    }
-    if (lexical.isVariable(str)) {
-        return scope.get(str);
-    }
+  if (lexical.isLiteral(str)) {
+    return lexical.parseLiteral(str)
+  }
+  if (lexical.isVariable(str)) {
+    return scope.get(str)
+  }
 }
 
-function isTruthy(val) {
-    return !isFalsy(val);
+function isTruthy (val) {
+  return !isFalsy(val)
 }
 
-function isFalsy(val) {
-    return false === val || undefined === val || null === val;;
+function isFalsy (val) {
+  return val === false || undefined === val || val === null
 }
 
 module.exports = {
-    evalExp, evalValue, isTruthy, isFalsy
-};
+  evalExp, evalValue, isTruthy, isFalsy
+}