59 lines
2 KiB
JavaScript
59 lines
2 KiB
JavaScript
"use strict";
|
|
|
|
// comment fixes
|
|
module.exports = function(ast, comments, tokens) {
|
|
if (comments.length) {
|
|
var firstComment = comments[0];
|
|
var lastComment = comments[comments.length - 1];
|
|
// fixup program start
|
|
if (!tokens.length) {
|
|
// if no tokens, the program starts at the end of the last comment
|
|
ast.start = lastComment.end;
|
|
ast.loc.start.line = lastComment.loc.end.line;
|
|
ast.loc.start.column = lastComment.loc.end.column;
|
|
|
|
if (ast.leadingComments === null && ast.innerComments.length) {
|
|
ast.leadingComments = ast.innerComments;
|
|
}
|
|
} else if (firstComment.start < tokens[0].start) {
|
|
// if there are comments before the first token, the program starts at the first token
|
|
var token = tokens[0];
|
|
// ast.start = token.start;
|
|
// ast.loc.start.line = token.loc.start.line;
|
|
// ast.loc.start.column = token.loc.start.column;
|
|
|
|
// estraverse do not put leading comments on first node when the comment
|
|
// appear before the first token
|
|
if (ast.body.length) {
|
|
var node = ast.body[0];
|
|
node.leadingComments = [];
|
|
var firstTokenStart = token.start;
|
|
var len = comments.length;
|
|
for (var i = 0; i < len && comments[i].start < firstTokenStart; i++) {
|
|
node.leadingComments.push(comments[i]);
|
|
}
|
|
}
|
|
}
|
|
// fixup program end
|
|
if (tokens.length) {
|
|
var lastToken = tokens[tokens.length - 1];
|
|
if (lastComment.end > lastToken.end) {
|
|
// If there is a comment after the last token, the program ends at the
|
|
// last token and not the comment
|
|
// ast.end = lastToken.end;
|
|
ast.range[1] = lastToken.end;
|
|
ast.loc.end.line = lastToken.loc.end.line;
|
|
ast.loc.end.column = lastToken.loc.end.column;
|
|
}
|
|
}
|
|
} else {
|
|
if (!tokens.length) {
|
|
ast.loc.start.line = 1;
|
|
ast.loc.end.line = 1;
|
|
}
|
|
}
|
|
if (ast.body && ast.body.length > 0) {
|
|
ast.loc.start.line = ast.body[0].loc.start.line;
|
|
ast.range[0] = ast.body[0].start;
|
|
}
|
|
};
|