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Fixed conditional comments in some rare cases

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This commit is contained in:
sanex3339
2020-01-07 14:22:18 +03:00
parent 023c5b54a7
commit 6d3c2ae467
9 changed files with 87 additions and 36 deletions
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src/node-transformers/preparing-transformers/CommentsTransformer.ts
+39 -25
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@@ -60,35 +60,49 @@ export class CommentsTransformer extends AbstractNodeTransformer {
* `@license`, `@preserve` or `javascript-obfuscator` words
* Move comments to their nodes
*
* @param {Node} programNode
* @param {Node} rootNode
* @returns {NodeGuards}
*/
public transformNode (programNode: ESTree.Program): ESTree.Node {
if (programNode.comments) {
const comments: ESTree.Comment[] = this.transformComments(programNode.comments);
estraverse.traverse(programNode, {
enter: (node: ESTree.Node): void => {
if (comments.length === 0) {
return;
}
const commentIdx: number = comments.findIndex((comment: ESTree.Comment) =>
comment.range && node.range && comment.range[0] < node.range[0]
);
if (commentIdx === -1) {
return;
}
node.leadingComments = comments.splice(commentIdx, comments.length - commentIdx).reverse();
}
});
if (comments.length > 0) {
programNode.trailingComments = comments.reverse();
}
public transformNode (rootNode: ESTree.Program): ESTree.Node {
if (!rootNode.comments || !rootNode.comments.length) {
return rootNode;
}
return programNode;
const comments: ESTree.Comment[] = this.transformComments(rootNode.comments);
if (comments.length === 0) {
return rootNode;
}
if (!rootNode.body.length) {
rootNode.leadingComments = comments;
return rootNode;
}
estraverse.traverse(rootNode, {
enter: (node: ESTree.Node): void => {
if (node === rootNode) {
return;
}
const commentIdx: number = comments.findIndex((comment: ESTree.Comment) =>
comment.range && node.range && comment.range[0] < node.range[0]
);
if (commentIdx === -1) {
return;
}
node.leadingComments = comments.splice(commentIdx, comments.length - commentIdx).reverse();
}
});
if (comments.length > 0) {
rootNode.trailingComments = comments.reverse();
}
return rootNode;
}
/**