440 lines
14 KiB
JavaScript
440 lines
14 KiB
JavaScript
/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */
|
|
/*
|
|
|
|
The MIT License (MIT)
|
|
|
|
Copyright (c) 2007-2013 Einar Lielmanis and contributors.
|
|
|
|
Permission is hereby granted, free of charge, to any person
|
|
obtaining a copy of this software and associated documentation files
|
|
(the "Software"), to deal in the Software without restriction,
|
|
including without limitation the rights to use, copy, modify, merge,
|
|
publish, distribute, sublicense, and/or sell copies of the Software,
|
|
and to permit persons to whom the Software is furnished to do so,
|
|
subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be
|
|
included in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
|
|
|
|
CSS Beautifier
|
|
---------------
|
|
|
|
Written by Harutyun Amirjanyan, (amirjanyan@gmail.com)
|
|
|
|
Based on code initially developed by: Einar Lielmanis, <einar@jsbeautifier.org>
|
|
http://jsbeautifier.org/
|
|
|
|
Usage:
|
|
css_beautify(source_text);
|
|
css_beautify(source_text, options);
|
|
|
|
The options are (default in brackets):
|
|
indent_size (4) — indentation size,
|
|
indent_char (space) — character to indent with,
|
|
selector_separator_newline (true) - separate selectors with newline or
|
|
not (e.g. "a,\nbr" or "a, br")
|
|
end_with_newline (false) - end with a newline
|
|
|
|
e.g
|
|
|
|
css_beautify(css_source_text, {
|
|
'indent_size': 1,
|
|
'indent_char': '\t',
|
|
'selector_separator': ' ',
|
|
'end_with_newline': false,
|
|
});
|
|
*/
|
|
|
|
// http://www.w3.org/TR/CSS21/syndata.html#tokenization
|
|
// http://www.w3.org/TR/css3-syntax/
|
|
|
|
(function() {
|
|
function css_beautify(source_text, options) {
|
|
options = options || {};
|
|
var indentSize = options.indent_size || 4;
|
|
var indentCharacter = options.indent_char || ' ';
|
|
var selectorSeparatorNewline = (options.selector_separator_newline === undefined) ? true : options.selector_separator_newline;
|
|
var end_with_newline = (options.end_with_newline === undefined) ? false : options.end_with_newline;
|
|
|
|
// compatibility
|
|
if (typeof indentSize === "string") {
|
|
indentSize = parseInt(indentSize, 10);
|
|
}
|
|
|
|
|
|
// tokenizer
|
|
var whiteRe = /^\s+$/;
|
|
var wordRe = /[\w$\-_]/;
|
|
|
|
var pos = -1,
|
|
ch;
|
|
|
|
function next() {
|
|
ch = source_text.charAt(++pos);
|
|
return ch || '';
|
|
}
|
|
|
|
function peek(skipWhitespace) {
|
|
var prev_pos = pos;
|
|
if (skipWhitespace) {
|
|
eatWhitespace();
|
|
}
|
|
result = source_text.charAt(pos + 1) || '';
|
|
pos = prev_pos - 1;
|
|
next();
|
|
return result;
|
|
}
|
|
|
|
function eatString(endChars) {
|
|
var start = pos;
|
|
while (next()) {
|
|
if (ch === "\\") {
|
|
next();
|
|
} else if (endChars.indexOf(ch) !== -1) {
|
|
break;
|
|
} else if (ch === "\n") {
|
|
break;
|
|
}
|
|
}
|
|
return source_text.substring(start, pos + 1);
|
|
}
|
|
|
|
function peekString(endChar) {
|
|
var prev_pos = pos;
|
|
var str = eatString(endChar);
|
|
pos = prev_pos - 1;
|
|
next();
|
|
return str;
|
|
}
|
|
|
|
function eatWhitespace() {
|
|
var result = '';
|
|
while (whiteRe.test(peek())) {
|
|
next()
|
|
result += ch;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function skipWhitespace() {
|
|
var result = '';
|
|
if (ch && whiteRe.test(ch)) {
|
|
result = ch;
|
|
}
|
|
while (whiteRe.test(next())) {
|
|
result += ch
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function eatComment(singleLine) {
|
|
var start = pos;
|
|
var singleLine = peek() === "/";
|
|
next();
|
|
while (next()) {
|
|
if (!singleLine && ch === "*" && peek() === "/") {
|
|
next();
|
|
break;
|
|
} else if (singleLine && ch === "\n") {
|
|
return source_text.substring(start, pos);
|
|
}
|
|
}
|
|
|
|
return source_text.substring(start, pos) + ch;
|
|
}
|
|
|
|
|
|
function lookBack(str) {
|
|
return source_text.substring(pos - str.length, pos).toLowerCase() ===
|
|
str;
|
|
}
|
|
|
|
// Nested pseudo-class if we are insideRule
|
|
// and the next special character found opens
|
|
// a new block
|
|
function foundNestedPseudoClass() {
|
|
for (var i = pos + 1; i < source_text.length; i++){
|
|
var ch = source_text.charAt(i);
|
|
if (ch === "{"){
|
|
return true;
|
|
} else if (ch === ";" || ch === "}" || ch === ")") {
|
|
return false;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// printer
|
|
var basebaseIndentString = source_text.match(/^[\t ]*/)[0];
|
|
var singleIndent = new Array(indentSize + 1).join(indentCharacter);
|
|
var indentLevel = 0;
|
|
var nestedLevel = 0;
|
|
|
|
function indent() {
|
|
indentLevel++;
|
|
basebaseIndentString += singleIndent;
|
|
}
|
|
|
|
function outdent() {
|
|
indentLevel--;
|
|
basebaseIndentString = basebaseIndentString.slice(0, -indentSize);
|
|
}
|
|
|
|
var print = {};
|
|
print["{"] = function(ch) {
|
|
print.singleSpace();
|
|
output.push(ch);
|
|
print.newLine();
|
|
};
|
|
print["}"] = function(ch) {
|
|
print.newLine();
|
|
output.push(ch);
|
|
print.newLine();
|
|
};
|
|
|
|
print._lastCharWhitespace = function() {
|
|
return whiteRe.test(output[output.length - 1]);
|
|
};
|
|
|
|
print.newLine = function(keepWhitespace) {
|
|
if (!keepWhitespace) {
|
|
print.trim();
|
|
}
|
|
|
|
if (output.length) {
|
|
output.push('\n');
|
|
}
|
|
if (basebaseIndentString) {
|
|
output.push(basebaseIndentString);
|
|
}
|
|
};
|
|
print.singleSpace = function() {
|
|
if (output.length && !print._lastCharWhitespace()) {
|
|
output.push(' ');
|
|
}
|
|
};
|
|
|
|
print.trim = function() {
|
|
while (print._lastCharWhitespace()) {
|
|
output.pop();
|
|
}
|
|
};
|
|
|
|
|
|
var output = [];
|
|
if (basebaseIndentString) {
|
|
output.push(basebaseIndentString);
|
|
}
|
|
/*_____________________--------------------_____________________*/
|
|
|
|
var insideRule = false;
|
|
var enteringConditionalGroup = false;
|
|
var top_ch = '';
|
|
var last_top_ch = '';
|
|
|
|
while (true) {
|
|
var whitespace = skipWhitespace();
|
|
var isAfterSpace = whitespace !== '';
|
|
var isAfterNewline = whitespace.indexOf('\n') !== -1;
|
|
var last_top_ch = top_ch;
|
|
var top_ch = ch;
|
|
|
|
if (!ch) {
|
|
break;
|
|
} else if (ch === '/' && peek() === '*') { /* css comment */
|
|
var header = lookBack("");
|
|
print.newLine();
|
|
output.push(eatComment());
|
|
print.newLine();
|
|
if (header) {
|
|
print.newLine(true);
|
|
}
|
|
} else if (ch === '/' && peek() === '/') { // single line comment
|
|
if (!isAfterNewline && last_top_ch !== '{') {
|
|
print.trim();
|
|
}
|
|
print.singleSpace();
|
|
output.push(eatComment());
|
|
print.newLine();
|
|
} else if (ch === '@') {
|
|
// pass along the space we found as a separate item
|
|
if (isAfterSpace) {
|
|
print.singleSpace();
|
|
}
|
|
output.push(ch);
|
|
|
|
// strip trailing space, if present, for hash property checks
|
|
var variableOrRule = peekString(": ,;{}()[]/='\"").replace(/\s$/, '');
|
|
|
|
// might be a nesting at-rule
|
|
if (variableOrRule in css_beautify.NESTED_AT_RULE) {
|
|
nestedLevel += 1;
|
|
if (variableOrRule in css_beautify.CONDITIONAL_GROUP_RULE) {
|
|
enteringConditionalGroup = true;
|
|
}
|
|
} else if (': '.indexOf(variableOrRule[variableOrRule.length -1]) >= 0) {
|
|
//we have a variable, add it and insert one space before continuing
|
|
next();
|
|
variableOrRule = eatString(": ").replace(/\s$/, '');
|
|
output.push(variableOrRule);
|
|
print.singleSpace();
|
|
}
|
|
} else if (ch === '{') {
|
|
if (peek(true) === '}') {
|
|
eatWhitespace();
|
|
next();
|
|
print.singleSpace();
|
|
output.push("{}");
|
|
} else {
|
|
indent();
|
|
print["{"](ch);
|
|
// when entering conditional groups, only rulesets are allowed
|
|
if (enteringConditionalGroup) {
|
|
enteringConditionalGroup = false;
|
|
insideRule = (indentLevel > nestedLevel);
|
|
} else {
|
|
// otherwise, declarations are also allowed
|
|
insideRule = (indentLevel >= nestedLevel);
|
|
}
|
|
}
|
|
} else if (ch === '}') {
|
|
outdent();
|
|
print["}"](ch);
|
|
insideRule = false;
|
|
if (nestedLevel) {
|
|
nestedLevel--;
|
|
}
|
|
} else if (ch === ":") {
|
|
eatWhitespace();
|
|
if ((insideRule || enteringConditionalGroup) &&
|
|
!(lookBack("&") || foundNestedPseudoClass())) {
|
|
// 'property: value' delimiter
|
|
// which could be in a conditional group query
|
|
output.push(':');
|
|
print.singleSpace();
|
|
} else {
|
|
// sass/less parent reference don't use a space
|
|
// sass nested pseudo-class don't use a space
|
|
if (peek() === ":") {
|
|
// pseudo-element
|
|
next();
|
|
output.push("::");
|
|
} else {
|
|
// pseudo-class
|
|
output.push(':');
|
|
}
|
|
}
|
|
} else if (ch === '"' || ch === '\'') {
|
|
if (isAfterSpace) {
|
|
print.singleSpace();
|
|
}
|
|
output.push(eatString(ch));
|
|
} else if (ch === ';') {
|
|
output.push(ch);
|
|
print.newLine();
|
|
} else if (ch === '(') { // may be a url
|
|
if (lookBack("url")) {
|
|
output.push(ch);
|
|
eatWhitespace();
|
|
if (next()) {
|
|
if (ch !== ')' && ch !== '"' && ch !== '\'') {
|
|
output.push(eatString(')'));
|
|
} else {
|
|
pos--;
|
|
}
|
|
}
|
|
} else {
|
|
if (isAfterSpace) {
|
|
print.singleSpace();
|
|
}
|
|
output.push(ch);
|
|
eatWhitespace();
|
|
}
|
|
} else if (ch === ')') {
|
|
output.push(ch);
|
|
} else if (ch === ',') {
|
|
output.push(ch);
|
|
eatWhitespace();
|
|
if (!insideRule && selectorSeparatorNewline) {
|
|
print.newLine();
|
|
} else {
|
|
print.singleSpace();
|
|
}
|
|
} else if (ch === ']') {
|
|
output.push(ch);
|
|
} else if (ch === '[') {
|
|
if (isAfterSpace) {
|
|
print.singleSpace();
|
|
}
|
|
output.push(ch);
|
|
} else if (ch === '=') { // no whitespace before or after
|
|
eatWhitespace();
|
|
output.push(ch);
|
|
} else {
|
|
if (isAfterSpace) {
|
|
print.singleSpace();
|
|
}
|
|
|
|
output.push(ch);
|
|
}
|
|
}
|
|
|
|
|
|
var sweetCode = output.join('').replace(/[\r\n\t ]+$/, '');
|
|
|
|
// establish end_with_newline
|
|
if (end_with_newline) {
|
|
sweetCode += "\n";
|
|
}
|
|
|
|
return sweetCode;
|
|
}
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/CSS/At-rule
|
|
css_beautify.NESTED_AT_RULE = {
|
|
"@page": true,
|
|
"@font-face": true,
|
|
"@keyframes": true,
|
|
// also in CONDITIONAL_GROUP_RULE below
|
|
"@media": true,
|
|
"@supports": true,
|
|
"@document": true
|
|
};
|
|
css_beautify.CONDITIONAL_GROUP_RULE = {
|
|
"@media": true,
|
|
"@supports": true,
|
|
"@document": true
|
|
};
|
|
|
|
/*global define */
|
|
if (typeof define === "function" && define.amd) {
|
|
// Add support for AMD ( https://github.com/amdjs/amdjs-api/wiki/AMD#defineamd-property- )
|
|
define([], function() {
|
|
return {
|
|
css_beautify: css_beautify
|
|
};
|
|
});
|
|
} else if (typeof exports !== "undefined") {
|
|
// Add support for CommonJS. Just put this file somewhere on your require.paths
|
|
// and you will be able to `var html_beautify = require("beautify").html_beautify`.
|
|
exports.css_beautify = css_beautify;
|
|
} else if (typeof window !== "undefined") {
|
|
// If we're running a web page and don't have either of the above, add our one global
|
|
window.css_beautify = css_beautify;
|
|
} else if (typeof global !== "undefined") {
|
|
// If we don't even have window, try global.
|
|
global.css_beautify = css_beautify;
|
|
}
|
|
|
|
}());
|