/usr/lib/nodejs/babel-eslint/babylon-to-espree/attachComments.js is in node-babel-eslint 7.2.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | "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;
}
};
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