Magic-Mirror/js-beautify
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Experimental newline preservation. Javascripts without semicolons should work nice; I hope the usual js-es won't get too ugly.

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This commit is contained in:
Einars Lielmanis 2007-11-21 07:49:41 +00:00
parent fc5cce1d19
commit edca6a24c1
2 changed files with 17 additions and 21 deletions
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7
beautify-tests.php
View File

@ -46,7 +46,6 @@ function results()
bt('');
bt('a = 1', 'a = 1');
bt('a=1', 'a = 1');
bt("a\n=\n2", 'a = 2');
bt("a();\n\nb();", "a();\n\nb();");
bt('var a = 1 var b = 2', "var a = 1\nvar b = 2");
bt('a = " 12345 "');
@ -95,12 +94,14 @@ bt('a !== b');
bt('if (a) b(); else c();', "if (a) b();\nelse c();");
bt("// comment\n(function()"); // typical greasemonkey start
bt("// comment\n(function something()"); // typical greasemonkey start
/*
// known problem, duplicate enter:
bt('{
x();
}'); // newline messed up the closing brace
}');
*/
bt('if (a in b)');
//bt('var a, b');
bt('{a:1, b:2}', "{\n a: 1,\n b: 2\n}");

31
beautify.php
View File

@ -123,16 +123,16 @@ function js_beautify($js_source_text, $tab_size = 4)
if ($last_type == TK_END_EXPR) {
unindent();
nl();
nl(false);
} elseif ($last_type == TK_END_BLOCK) {
unindent();
nl();
nl(false);
} elseif ($last_type == TK_START_BLOCK) {
// nothing
unindent();
} else {
unindent();
nl();
nl(false);
}
token();
in_pop();
@ -343,15 +343,14 @@ function nl($ignore_repeated = true)
}
// ugly hack for correct multiple newline handling
function safe_nl()
// hack for correct multiple newline handling
function safe_nl($newlines = 1)
{
global $output, $is_last_nl;
if (preg_match('/\n( *)$/', $output, $matches)) {
$output .= "\n" . $matches[1];
} else {
$output .= "\n";
global $output;
if ($newlines) {
$output .= str_repeat("\n", $newlines - 1);
}
nl();
}
@ -438,8 +437,7 @@ function get_next_token(&$pos)
if (!$wordchar) $wordchar = make_array('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_$');
if (!$punct) $punct = explode(' ', '+ - * / % & ++ -- = += -= *= /= %= == === != !== > < >= <= >> << >>> <<< >>= <<= && | || ! !! , : ?');
$num_newlines = 0;
$n_newlines = 0;
do {
if ($pos >= $input_length) {
return array('', TK_EOF);
@ -447,17 +445,14 @@ function get_next_token(&$pos)
$c = $input[$pos];
$pos += 1;
if ($c == "\n") {
$num_newlines += 1;
$n_newlines += 1;
}
} while (in_array($c, $whitespace));
if ($num_newlines > 1) {
safe_nl();
if ($n_newlines) {
safe_nl($n_newlines);
}
if (in_array($c, $wordchar)) {
if ($pos < $input_length) {
while (in_array($input[$pos], $wordchar)) {