add strict mode to every file

lib/6to5/browser.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var transform = module.exports = require("./transformation/transform");
 
 transform.version = require("../../package").version;

lib/6to5/file.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = File;
 
 var SHEBANG_REGEX = /^\#\!.*/;

lib/6to5/generation/buffer.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = Buffer;
 
 var util = require("../util");

lib/6to5/generation/generator.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = function (ast, opts, code) {
   var gen = new CodeGenerator(ast, opts, code);
   return gen.generate();

lib/6to5/generation/generators/base.js

@@ -1,3 +1,5 @@
+"use strict";
+
 exports.File = function (node, print) {
   print(node.program);
 };

lib/6to5/generation/generators/classes.js

@@ -1,3 +1,5 @@
+"use strict";
+
 exports.ClassExpression =
 exports.ClassDeclaration = function (node, print) {
   this.push("class");

lib/6to5/generation/generators/comprehensions.js

@@ -1,3 +1,5 @@
+"use strict";
+
 exports.ComprehensionBlock = function (node, print) {
   this.keyword("for");
   this.push("(");

lib/6to5/generation/generators/expressions.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var util = require("../../util");
 var t    = require("../../types");
 var _    = require("lodash");

lib/6to5/generation/generators/flow.js

@@ -1,3 +1,5 @@
+"use strict";
+
 exports.AnyTypeAnnotation =
 exports.ArrayTypeAnnotation =
 exports.BooleanTypeAnnotation =

lib/6to5/generation/generators/jsx.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 var _ = require("lodash");
 

lib/6to5/generation/generators/methods.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports._params = function (node, print) {

lib/6to5/generation/generators/modules.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 var _ = require("lodash");
 

lib/6to5/generation/generators/playground.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var _ = require("lodash");
 
 _.each(["BindMemberExpression", "BindFunctionExpression"], function (type) {

lib/6to5/generation/generators/statements.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var util = require("../../util");
 var t    = require("../../types");
 

lib/6to5/generation/generators/template-literals.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var _ = require("lodash");
 
 exports.TaggedTemplateExpression = function (node, print) {

lib/6to5/generation/generators/types.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var _ = require("lodash");
 
 exports.Identifier = function (node) {

lib/6to5/generation/node/index.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = Node;
 
 var whitespace = require("./whitespace");

lib/6to5/generation/node/parentheses.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 var _ = require("lodash");
 

lib/6to5/generation/node/whitespace.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var _ = require("lodash");
 var t = require("../../types");
 

lib/6to5/generation/position.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = Position;
 
 function Position() {

lib/6to5/generation/source-map.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = SourceMap;
 
 var sourceMap = require("source-map");

lib/6to5/generation/whitespace.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = Whitespace;
 
 var _    = require("lodash");

lib/6to5/index.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var transform = require("./transformation/transform");
 var util      = require("./util");
 var fs        = require("fs");

lib/6to5/patch.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("./types");
 var _ = require("lodash");
 

lib/6to5/polyfill.js

@@ -1,2 +1,4 @@
+"use strict";
+
 require("core-js/shim");
 require("regenerator/runtime");

lib/6to5/register-browser.js

@@ -1,3 +1,5 @@
+"use strict";
+
 // required to safely use 6to5/register within a browserify codebase
 
 module.exports = function () {};

lib/6to5/register.js

@@ -1,3 +1,5 @@
+"use strict";
+
 require("./polyfill");
 
 var sourceMapSupport = require("source-map-support");

lib/6to5/runtime-generator.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var generator = require("./generation/generator");
 var util      = require("./util");
 var File      = require("./file");

lib/6to5/to-fast-properties.js

@@ -1,3 +1,5 @@
+"use strict";
+
 /**
  * A trick from Bluebird to force V8 to use fast properties for an object.
  * Read more: http://stackoverflow.com/questions/24987896/

lib/6to5/transformation/helpers/build-binary-assignment-operator-transformer.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var explode = require("./explode-assignable-expression");
 var t       = require("../../types");
 

lib/6to5/transformation/helpers/build-comprehension.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 module.exports = function build(node, buildBody) {

lib/6to5/transformation/helpers/build-conditional-assignment-operator-transformer.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var explode = require("./explode-assignable-expression");
 var t       = require("../../types");
 

lib/6to5/transformation/helpers/explode-assignable-expression.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 var getObjRef = function (node, nodes, file, scope) {

lib/6to5/transformation/helpers/name-method.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var util     = require("../../util");
 var t        = require("../../types");

lib/6to5/transformation/helpers/remap-async-to-generator.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var t        = require("../../types");
 

lib/6to5/transformation/helpers/replace-supers.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = ReplaceSupers;
 
 var traverse = require("../../traverse");

lib/6to5/transformation/helpers/use-strict.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.has = function (node) {

lib/6to5/transformation/modules/_default.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = DefaultFormatter;
 
 var traverse = require("../../traverse");

lib/6to5/transformation/modules/_strict.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var util = require("../../util");
 
 module.exports = function (Parent) {

lib/6to5/transformation/modules/amd-strict.js

@@ -1 +1,3 @@
+"use strict";
+
 module.exports = require("./_strict")(require("./amd"));

lib/6to5/transformation/modules/amd.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = AMDFormatter;
 
 var DefaultFormatter = require("./_default");

lib/6to5/transformation/modules/common-strict.js

@@ -1 +1,3 @@
+"use strict";
+
 module.exports = require("./_strict")(require("./common"));

lib/6to5/transformation/modules/common.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = CommonJSFormatter;
 
 var DefaultFormatter = require("./_default");

lib/6to5/transformation/modules/ignore.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = IgnoreFormatter;
 
 var t = require("../../types");

lib/6to5/transformation/modules/system.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = SystemFormatter;
 
 var AMDFormatter = require("./amd");

lib/6to5/transformation/modules/umd-strict.js

@@ -1 +1,3 @@
+"use strict";
+
 module.exports = require("./_strict")(require("./umd"));

lib/6to5/transformation/modules/umd.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = UMDFormatter;
 
 var AMDFormatter = require("./amd");

lib/6to5/transformation/transform.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = transform;
 
 var Transformer = require("./transformer");

lib/6to5/transformation/transformer.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = Transformer;
 
 var traverse = require("../traverse");

lib/6to5/transformation/transformers/_alias-functions.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var t        = require("../../types");
 

lib/6to5/transformation/transformers/_block-hoist.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var useStrict = require("../helpers/use-strict");
 var _         = require("lodash");
 

lib/6to5/transformation/transformers/_declarations.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var useStrict = require("../helpers/use-strict");
 var t         = require("../../types");
 

lib/6to5/transformation/transformers/_module-formatter.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var transform = require("../transform");
 
 exports.ast = {

lib/6to5/transformation/transformers/es6-arrow-functions.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.ArrowFunctionExpression = function (node) {

lib/6to5/transformation/transformers/es6-classes.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var ReplaceSupers = require("../helpers/replace-supers");
 var nameMethod    = require("../helpers/name-method");
 var util          = require("../../util");

lib/6to5/transformation/transformers/es6-computed-property-names.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.ObjectExpression = function (node, parent, scope, context, file) {

lib/6to5/transformation/transformers/es6-constants.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var t        = require("../../types");
 var _        = require("lodash");

lib/6to5/transformation/transformers/es6-default-parameters.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var util     = require("../../util");
 var t        = require("../../types");

lib/6to5/transformation/transformers/es6-destructuring.js

@@ -1,3 +1,5 @@
+"use strict";
+
 // TODO: Clean up
 
 var t = require("../../types");

lib/6to5/transformation/transformers/es6-for-of.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var util = require("../../util");
 var t    = require("../../types");
 

lib/6to5/transformation/transformers/es6-generators.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var regenerator = require("regenerator");
 
 exports.ast = {

lib/6to5/transformation/transformers/es6-let-scoping.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var util     = require("../../util");
 var t        = require("../../types");

lib/6to5/transformation/transformers/es6-modules.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.ast = {

lib/6to5/transformation/transformers/es6-property-method-assignment.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var nameMethod = require("../helpers/name-method");
 var util       = require("../../util");
 var t          = require("../../types");

lib/6to5/transformation/transformers/es6-property-name-shorthand.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 var _ = require("lodash");
 

lib/6to5/transformation/transformers/es6-rest-parameters.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var util = require("../../util");
 var t    = require("../../types");
 

lib/6to5/transformation/transformers/es6-spread.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 var _ = require("lodash");
 

lib/6to5/transformation/transformers/es6-template-literals.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 var buildBinaryExpression = function (left, right) {

lib/6to5/transformation/transformers/es6-unicode-regex.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var rewritePattern = require("regexpu/rewrite-pattern");
 var _              = require("lodash");
 

lib/6to5/transformation/transformers/es7-abstract-references.js

@@ -1,3 +1,5 @@
+"use strict";
+
 // https://github.com/zenparsing/es-abstract-refs
 
 var util = require("../../util");

lib/6to5/transformation/transformers/es7-array-comprehension.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var buildComprehension = require("../helpers/build-comprehension");
 var traverse           = require("../../traverse");
 var util               = require("../../util");

lib/6to5/transformation/transformers/es7-exponentiation-operator.js

@@ -1,3 +1,5 @@
+"use strict";
+
 // https://github.com/rwaldron/exponentiation-operator
 
 exports.experimental = true;

lib/6to5/transformation/transformers/es7-generator-comprehension.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var buildComprehension = require("../helpers/build-comprehension");
 var t                  = require("../../types");
 

lib/6to5/transformation/transformers/es7-object-spread.js

@@ -1,3 +1,5 @@
+"use strict";
+
 // https://github.com/sebmarkbage/ecmascript-rest-spread
 
 var t = require("../../types");

lib/6to5/transformation/transformers/optional-async-to-generator.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var remapAsyncToGenerator = require("../helpers/remap-async-to-generator");
 var bluebirdCoroutines    = require("./optional-bluebird-coroutines");
 

lib/6to5/transformation/transformers/optional-bluebird-coroutines.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var remapAsyncToGenerator = require("../helpers/remap-async-to-generator");
 var t                     = require("../../types");
 

lib/6to5/transformation/transformers/optional-core-aliasing.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var util     = require("../../util");
 var core     = require("core-js/library");

lib/6to5/transformation/transformers/optional-proto-to-assign.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 var _ = require("lodash");
 

lib/6to5/transformation/transformers/optional-typeof-symbol.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.optional = true;

lib/6to5/transformation/transformers/optional-undefined-to-void.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.optional = true;

lib/6to5/transformation/transformers/playground-mallet-operator.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var build = require("../helpers/build-conditional-assignment-operator-transformer");
 var t      = require("../../types");
 

lib/6to5/transformation/transformers/playground-memoization-operator.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var build = require("../helpers/build-conditional-assignment-operator-transformer");
 var t     = require("../../types");
 

lib/6to5/transformation/transformers/playground-method-binding.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.BindMemberExpression = function (node, parent, scope, context, file) {

lib/6to5/transformation/transformers/playground-object-getter-memoization.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var traverse = require("../../traverse");
 var t        = require("../../types");
 

lib/6to5/transformation/transformers/react.js

@@ -1,3 +1,5 @@
+"use strict";
+
 // Based upon the excellent jsx-transpiler by Ingvar Stepanyan (RReverser)
 // https://github.com/RReverser/jsx-transpiler
 

lib/6to5/transformation/transformers/spec-block-scoped-functions.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.FunctionDeclaration = function (node, parent) {

lib/6to5/transformation/transformers/spec-member-expression-literals.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.MemberExpression = function (node) {

lib/6to5/transformation/transformers/spec-no-for-in-of-assignment.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.ForInStatement =

lib/6to5/transformation/transformers/spec-property-literals.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var t = require("../../types");
 
 exports.Property = function (node) {

lib/6to5/transformation/transformers/spec-setters.js

@@ -1,3 +1,5 @@
+"use strict";
+
 exports.MethodDefinition =
 exports.Property = function (node, parent, scope, context, file) {
   if (node.kind === "set" && node.value.params.length !== 1) {

lib/6to5/transformation/transformers/use-strict.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var useStrict = require("../helpers/use-strict");
 var t         = require("../../types");
 

lib/6to5/traverse/index.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = traverse;
 
 /* jshint maxparams:7 */

lib/6to5/traverse/scope.js

@@ -1,3 +1,5 @@
+"use strict";
+
 module.exports = Scope;
 
 var traverse = require("./index");

lib/6to5/types/index.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var toFastProperties = require("../to-fast-properties");
 var esutils          = require("esutils");
 var _                = require("lodash");

lib/6to5/util.js

@@ -1,3 +1,5 @@
+"use strict";
+
 require("./patch");
 
 var estraverse = require("estraverse");