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require: add missing blacklistTests, implement opts.whitelist and opts.only - closes #125

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Conflicts:
	lib/6to5/register.js
This commit is contained in:
Sebastian McKenzie
2014-11-07 13:16:26 +11:00
parent 5deeae1aa2
commit 54f901f131
2 changed files with 62 additions and 18 deletions
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55
lib/6to5/register.js
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@@ -20,20 +20,57 @@ sourceMapSupport.install({
//
var blacklist = [];
var blacklistTest = function (transformer, code) {
try {
if (_.isFunction(code)) {
code();
} else {
new Function(code);
}
blacklist.push(transformer);
} catch (err) {
if (err.name !== "SyntaxError") throw err;
}
};
blacklistTest("arrayComprehension", "var foo = [for (foo of bar) foo * foo];");
blacklistTest("arrowFunctions", "var foo = x => x * x;");
blacklistTest("classes", "class Foo {}");
blacklistTest("computedPropertyNames", "var foo = { [foo]: bar };");
//blacklistTest("constants", "const foo = 0;");
blacklistTest("defaultParamaters", "var foo = function (bar = 0) {};");
blacklistTest("destructuring", "var { x, y } = { x: 0, y: 0 };");
blacklistTest("forOf", "for (var foo of bar) {}");
blacklistTest("generators", "function* foo() {}");
blacklistTest("letScoping", "let foo = 0;");
blacklistTest("modules", 'import foo from "from";');
blacklistTest("propertyMethodAssignment", "{ get foo() {} }");
blacklistTest("propertyNameShorthand", "var foo = { x, y };");
blacklistTest("restParameters", "function foo(...bar) {}");
blacklistTest("spread", "foo(...bar);");
blacklistTest("templateLiterals", "`foo`");
blacklistTest("unicodeRegex", function () { new RegExp("foo", "u"); });
//
var ignoreRegex = /node_modules/;
var blacklist = [];
var onlyRegex;
var whitelist = [];
var exts = {};
var maps = {};
var old = require.extensions[".js"];
var loader = function (m, filename) {
if (ignoreRegex && ignoreRegex.test(filename)) {
if ((ignoreRegex && ignoreRegex.test(filename)) || (onlyRegex && !onlyRegex.test(filename))) {
return old.apply(this, arguments);
}
var result = to5.transformFileSync(filename, {
sourceMap: true,
blacklist: blacklist
whitelist: whitelist,
blacklist: blacklist,
sourceMap: true
});
maps[filename] = result.map;
@@ -57,14 +94,16 @@ var hookExtensions = function (_exts) {
hookExtensions([".es6", ".js"]);
module.exports = function (opts) {
// normalise options
opts = opts || {};
if (_.isRegExp(opts)) opts = { ignoreRegex: opts };
if (_.isRegExp(opts)) opts = { ignore: opts };
opts.ignore = opts.ignore || opts.ignoreRegex;
if (opts.ignoreRegex != null) {
ignoreRegex = opts.ignoreRegex;
}
if (opts.only != null) onlyRegex = opts.only;
if (opts.ignore != null) ignoreRegex = opts.ignore;
if (opts.extensions) hookExtensions(opts.extensions);
if (opts.blacklist) blacklist = opts.blacklist;
if (opts.whitelist) whitelist = opts.whitelist;
};