cerxes/babel
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

make traversal code simpler

Browse Source
This commit is contained in:
Sebastian McKenzie
2014-12-27 17:01:47 +11:00
parent 13a2d469a3
commit e96d02c972
11 changed files with 178 additions and 165 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
lib/6to5/traverse/scope.js
View File

@@ -82,31 +82,33 @@ Scope.prototype.getInfo = function () {
// Program, Function - var variables
if (t.isProgram(block) || t.isFunction(block)) {
traverse(block, function (node, parent, scope) {
if (t.isFor(node)) {
_.each(FOR_KEYS, function (key) {
var declar = node[key];
if (t.isVar(declar)) add(declar);
});
traverse(block, {
enter: function (node, parent, scope) {
if (t.isFor(node)) {
_.each(FOR_KEYS, function (key) {
var declar = node[key];
if (t.isVar(declar)) add(declar);
});
}
// this block is a function so we'll stop since none of the variables
// declared within are accessible
if (t.isFunction(node)) return false;
// function identifier doesn't belong to this scope
if (block.id && node === block.id) return;
if (t.isIdentifier(node) && t.isReferenced(node, parent) && !scope.has(node.name)) {
add(node, true);
}
// we've ran into a declaration!
// we'll let the BlockStatement scope deal with `let` declarations unless
if (t.isDeclaration(node) && !t.isLet(node)) {
add(node);
}
}
// this block is a function so we'll stop since none of the variables
// declared within are accessible
if (t.isFunction(node)) return false;
// function identifier doesn't belong to this scope
if (block.id && node === block.id) return;
if (t.isIdentifier(node) && t.isReferenced(node, parent) && !scope.has(node.name)) {
add(node, true);
}
// we've ran into a declaration!
// we'll let the BlockStatement scope deal with `let` declarations unless
if (t.isDeclaration(node) && !t.isLet(node)) {
add(node);
}
}, { scope: this });
}, this);
}
// Function - params, rest