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fix whitespace around comments

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This commit is contained in:
alexlamsl 2017-12-24 05:02:41 +08:00
parent e3d99ef1e0
commit 11f1beb337
2 changed files with 33 additions and 3 deletions
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26
lib/output.js
View File

@ -201,6 +201,8 @@ function OutputStream(options) {
var might_need_semicolon = false;
var might_add_newline = 0;
var need_newline_indented = false;
var need_space = false;
var newline_insert = -1;
var last = "";
var mapping_token, mapping_name, mappings = options.source_map && [];
@ -266,6 +268,13 @@ function OutputStream(options) {
indent();
}
}
if (need_space && ch) {
need_space = false;
if (!/[\s;})]/.test(ch)) {
space();
}
}
newline_insert = -1;
var prev = last.charAt(last.length - 1);
if (might_need_semicolon) {
might_need_semicolon = false;
@ -364,7 +373,13 @@ function OutputStream(options) {
} : function(col, cont) { return cont() };
var newline = options.beautify ? function() {
print("\n");
if (newline_insert < 0) return print("\n");
if (OUTPUT[newline_insert] != "\n") {
OUTPUT = OUTPUT.slice(0, newline_insert) + "\n" + OUTPUT.slice(newline_insert);
current_pos++;
current_line++;
}
newline_insert++;
} : options.max_line_len ? function() {
ensure_line_len();
might_add_newline = OUTPUT.length;
@ -521,11 +536,16 @@ function OutputStream(options) {
var comments = token[tail ? "comments_before" : "comments_after"];
if (comments && comments._dumped !== self) {
comments._dumped = self;
var insert = OUTPUT.length;
comments.filter(comment_filter, node).forEach(function(c, i) {
if (need_newline_indented || c.nlb) {
need_space = false;
if (need_newline_indented) {
print("\n");
indent();
need_newline_indented = false;
} else if (c.nlb && (i > 0 || !/(^|\n) *$/.test(OUTPUT))) {
print("\n");
indent();
} else if (i > 0 || !tail) {
space();
}
@ -534,8 +554,10 @@ function OutputStream(options) {
need_newline_indented = true;
} else if (c.type == "comment2") {
print("/*" + c.value + "*/");
need_space = true;
}
});
if (OUTPUT.length > insert) newline_insert = insert;
}
}

10
lib/parse.js
View File

@ -1276,9 +1276,17 @@ function parse($TEXT, options) {
case "(":
next();
var ex = expression(true);
start.comments_before.orig_len = start.comments_before.length;
var orig_len = start.comments_before.length;
start.comments_before.orig_len = orig_len;
[].push.apply(start.comments_before, ex.start.comments_before);
ex.start.comments_before = start.comments_before;
if (orig_len == 0 && start.comments_before.length > 0) {
var comment = start.comments_before[0];
if (!comment.nlb) {
comment.nlb = start.nlb;
start.nlb = false;
}
}
start.comments_after = ex.start.comments_after;
ex.start = start;
expect(")");