hexo/node_modules/@babel/traverse/lib/path/comments.js

55 lines
1.6 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.addComment = addComment;
exports.addComments = addComments;
exports.shareCommentsWithSiblings = shareCommentsWithSiblings;
var _t = require("@babel/types");
const {
addComment: _addComment,
addComments: _addComments
} = _t;
function shareCommentsWithSiblings() {
if (typeof this.key === "string") return;
const node = this.node;
if (!node) return;
const trailing = node.trailingComments;
const leading = node.leadingComments;
if (!trailing && !leading) return;
const prev = this.getSibling(this.key - 1);
const next = this.getSibling(this.key + 1);
const hasPrev = Boolean(prev.node);
const hasNext = Boolean(next.node);
if (hasPrev) {
if (leading) {
prev.addComments("trailing", removeIfExisting(leading, prev.node.trailingComments));
}
if (trailing && !hasNext) prev.addComments("trailing", trailing);
}
if (hasNext) {
if (trailing) {
next.addComments("leading", removeIfExisting(trailing, next.node.leadingComments));
}
if (leading && !hasPrev) next.addComments("leading", leading);
}
}
function removeIfExisting(list, toRemove) {
if (!toRemove) return list;
let lastFoundIndex = -1;
return list.filter(el => {
const i = toRemove.indexOf(el, lastFoundIndex);
if (i === -1) return true;
lastFoundIndex = i;
});
}
function addComment(type, content, line) {
_addComment(this.node, type, content, line);
}
function addComments(type, comments) {
_addComments(this.node, type, comments);
}
//# sourceMappingURL=comments.js.map