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add t.isReferencedIdentifier

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This commit is contained in:
Sebastian McKenzie
2015-01-20 00:17:11 +11:00
parent 4a1addc558
commit da16bf1e42
5 changed files with 17 additions and 10 deletions
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2
lib/6to5/transformation/transformers/es6-default-parameters.js
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@@ -17,7 +17,7 @@ exports.Function = function (node, parent, scope, context, file) {
var checkTDZ = function (ids) {
var check = function (node, parent) {
if (!t.isIdentifier(node) || !t.isReferenced(node, parent)) return;
if (!t.isReferencedIdentifier(node, parent)) return;
if (ids.indexOf(node.name) >= 0) {
throw file.errorWithNode(node, "Temporal dead zone - accessing a variable before it's initialized");

8
lib/6to5/transformation/transformers/es6-let-scoping.js
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@@ -146,8 +146,7 @@ LetScoping.prototype.remap = function () {
//
var replace = function (node, parent, scope, context, remaps) {
if (!t.isIdentifier(node)) return;
if (!t.isReferenced(node, parent)) return;
if (!t.isReferencedIdentifier(node, parent)) return;
var remap = remaps[node.name];
if (!remap) return;
@@ -266,11 +265,8 @@ LetScoping.prototype.getLetReferences = function () {
if (t.isFunction(node)) {
traverse(node, {
enter: function (node, parent) {
// not an identifier so we have no use
if (!t.isIdentifier(node)) return;
// not a direct reference
if (!t.isReferenced(node, parent)) return;
if (!t.isReferencedIdentifier(node, parent)) return;
// this scope has a variable with the same name so it couldn't belong
// to our let scope

3
lib/6to5/transformation/transformers/optional-block-scoping-tdz.js
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@@ -16,8 +16,7 @@ exports.BlockStatement = function (node, parent, scope, context, file) {
traverse(node, {
enter: function (node, parent, scope, context, state) {
if (!t.isIdentifier(node)) return;
if (!t.isReferenced(node, parent)) return;
if (!t.isReferencedIdentifier(node, parent)) return;
var declared = state.letRefs[node.name];
if (!declared) return;

2
lib/6to5/transformation/transformers/optional-core-aliasing.js
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@@ -42,7 +42,7 @@ exports.ast = {
context.skip();
return t.prependToMemberExpression(node, file._coreId);
}
} else if (t.isIdentifier(node) && !t.isMemberExpression(parent) && t.isReferenced(node, parent) && _.contains(ALIASABLE_CONSTRUCTORS, node.name)) {
} else if (t.isReferencedIdentifier(node, parent) && !t.isMemberExpression(parent) && _.contains(ALIASABLE_CONSTRUCTORS, node.name)) {
// Symbol() -> _core.Symbol(); new Promise -> new _core.Promise
return t.memberExpression(file._coreId, node);
} else if (t.isCallExpression(node)) {

12
lib/6to5/types/index.js
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@@ -263,6 +263,18 @@ t.isReferenced = function (node, parent) {
return false;
};
/**
* Description
*
* @param {Object} node
* @param {Object} parent
* @returns {Boolean}
*/
t.isReferencedIdentifier = function (node, parent) {
return t.isIdentifier(node) && t.isReferenced(node, parent);
};
/**
* Description
*