| `minifyCSS` | Minify CSS in style elements and style attributes (uses [clean-css](https://github.com/GoalSmashers/clean-css)) | `false` (could be `true`, `false`, `Object` (options)) |
| `minifyURLs` | Minify URLs in various attributes (uses [relateurl](https://github.com/stevenvachon/relateurl)) | `false` (could be `Object` (options)) |
| `ignoreCustomComments` | Array of regex'es that allow to ignore certain comments, when matched | `[ ]` |
-| `ignoreCustomFragments` | Array of regex'es that allow to ignore certain fragments, when matched (e.g. `<?php ... ?>`, `{{ ... }}`, etc.) | `[ ]` |
+| `ignoreCustomFragments` | Array of regex'es that allow to ignore certain fragments, when matched (e.g. `<?php ... ?>`, `{{ ... }}`, etc.) | `[ /<%[\s\S]*?%>/, /<\?[\s\S]*?\?>/ ]` |
| `processScripts` | Array of strings corresponding to types of script elements to process through minifier (e.g. `text/ng-template`, `text/x-handlebars-template`, etc.) | `[ ]` |
| `maxLineLength` | Specify a maximum line length. Compressed output will be split by newlines at valid HTML split-points. |
| `customEventAttributes` | Arrays of regex'es that allow to support custom event attributes for `minifyJS` (e.g. `ng-click`) | `[ /^on[a-z]{3,}$/ ]` |
}
}
- // Ignored elements?
- if ( /^<\?/.test( html ) ) {
- index = html.indexOf( '?>', 2 );
- if ( index >= 0 ) {
- if ( handler.chars ) {
- handler.chars( html.substring( 0, index + 2 ) );
- }
- html = html.substring( index + 2 );
- prevTag = '';
- continue;
- }
- }
-
- if ( /^<%/.test( html ) ) {
- index = html.indexOf( '%>', 2 );
- if ( index >= 0 ) {
- if ( handler.chars ) {
- handler.chars(html.substring( 0, index + 2) );
- }
- html = html.substring( index + 2 );
- prevTag = '';
- continue;
- }
- }
-
// Doctype:
if ( (match = doctype.exec( html )) ) {
if ( handler.doctype ) {
};
}
- function collapseWhitespace(str) {
+ function collapseWhitespaceAll(str) {
return str ? str.replace(/[\t\n\r ]+/g, ' ') : str;
}
return createMap(values.split(/,/));
}
- // array of non-empty element tags that will maintain a single space outside of them
- var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,mark,math,q,rt,rp,s,samp,small,span,strike,strong,sub,sup,svg,time,tt,u,var');
-
- function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
+ function collapseWhitespace(str, preserveLineBreaks, conservativeCollapse, trimLeft, trimRight, collapseAll) {
var lineBreakBefore = '', lineBreakAfter = '';
- if (options.preserveLineBreaks) {
+ if (preserveLineBreaks) {
str = str.replace(/^[\t ]*[\n\r]+[\t\n\r ]*/, function() {
lineBreakBefore = '\n';
return '';
});
}
- if (prevTag && prevTag !== 'img' && prevTag !== 'input' && prevTag !== 'comment'
- && (prevTag.charAt(0) !== '/' || options.collapseInlineTagWhitespace || !inlineTags(prevTag.substr(1)))) {
- str = str.replace(/^\s+/, !lineBreakBefore && options.conservativeCollapse ? ' ' : '');
+ if (trimLeft) {
+ str = str.replace(/^\s+/, !lineBreakBefore && conservativeCollapse ? ' ' : '');
}
- if (nextTag && nextTag !== 'img' && nextTag !== 'input' && nextTag !== 'comment'
- && (nextTag.charAt(0) === '/' || options.collapseInlineTagWhitespace || !inlineTags(nextTag))) {
- str = str.replace(/\s+$/, !lineBreakAfter && options.conservativeCollapse ? ' ' : '');
+ if (trimRight) {
+ str = str.replace(/\s+$/, !lineBreakAfter && conservativeCollapse ? ' ' : '');
}
- if (prevTag && nextTag) {
+ if (collapseAll) {
// strip non space whitespace then compress spaces to one
- str = collapseWhitespace(str);
+ str = collapseWhitespaceAll(str);
}
return lineBreakBefore + str + lineBreakAfter;
}
+ // array of non-empty element tags that will maintain a single space outside of them
+ var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,mark,math,q,rt,rp,s,samp,small,span,strike,strong,sub,sup,svg,time,tt,u,var');
+ var selfClosingInlineTags = createMapFromString('comment,img,input');
+
+ function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
+ var trimLeft = prevTag && !selfClosingInlineTags(prevTag) && (options.collapseInlineTagWhitespace || prevTag.charAt(0) !== '/' || !inlineTags(prevTag.substr(1)));
+ var trimRight = nextTag && !selfClosingInlineTags(nextTag) && (options.collapseInlineTagWhitespace || nextTag.charAt(0) === '/' || !inlineTags(nextTag));
+ return collapseWhitespace(str, options.preserveLineBreaks, options.conservativeCollapse, trimLeft, trimRight, prevTag && nextTag);
+ }
+
function isConditionalComment(text) {
return ((/\[if[^\]]+\]/).test(text) || (/\s*((?:<!)?\[endif\])$/).test(text));
}
return attrValue;
}
else if (attrName === 'class') {
- return collapseWhitespace(trimWhitespace(attrValue));
+ return collapseWhitespaceAll(trimWhitespace(attrValue));
}
else if (isUriTypeAttribute(attrName, tag)) {
attrValue = trimWhitespace(attrValue);
});
}
- if (options.ignoreCustomFragments) {
- uidAttr = uniqueId(value);
- var customFragments = options.ignoreCustomFragments.map(function(re) {
- return re.source;
- });
+ var customFragments = (options.ignoreCustomFragments || [
+ /<%[\s\S]*?%>/,
+ /<\?[\s\S]*?\?>/
+ ]).map(function(re) {
+ return re.source;
+ });
+ if (customFragments.length) {
var reCustomIgnore = new RegExp('\\s*(?:' + customFragments.join('|') + ')\\s*', 'g');
// temporarily replace custom ignored fragments with unique attributes
value = value.replace(reCustomIgnore, function(match) {
+ if (!uidAttr) {
+ uidAttr = uniqueId(value);
+ }
ignoredCustomMarkupChunks.push(match);
return ' ' + uidAttr + ' ';
});
text = prevTag || nextTag ? collapseWhitespaceSmart(text, prevTag, nextTag, options) : trimWhitespace(text);
}
if (!stackNoCollapseWhitespace.length) {
- text = prevTag && nextTag || nextTag === 'html' ? text : collapseWhitespace(text);
+ text = prevTag && nextTag || nextTag === 'html' ? text : collapseWhitespaceAll(text);
}
}
if (currentTag === 'script' || currentTag === 'style') {
buffer.push(text);
},
doctype: function(doctype) {
- buffer.push(options.useShortDoctype ? '<!DOCTYPE html>' : collapseWhitespace(doctype));
+ buffer.push(options.useShortDoctype ? '<!DOCTYPE html>' : collapseWhitespaceAll(doctype));
},
customAttrAssign: options.customAttrAssign,
customAttrSurround: options.customAttrSurround
var str = joinResultSegments(results, options);
if (uidAttr) {
- str = str.replace(new RegExp('\\s*' + uidAttr + '\\s*', 'g'), function() {
- return ignoredCustomMarkupChunks.shift();
+ str = str.replace(new RegExp('(\\s*)' + uidAttr + '(\\s*)', 'g'), function(match, prefix, suffix) {
+ var chunk = ignoredCustomMarkupChunks.shift();
+ return options.collapseWhitespace ? collapseWhitespace(prefix + chunk + suffix, options.preserveLineBreaks, true, true, true) : chunk;
});
}
if (uidIgnore) {
* Copyright 2010-2016 Juriy "kangax" Zaytsev
* Licensed under the MIT license
*/
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return str ? str.replace(/[\t\n\r ]+/g, ' ') : str;
}
return createMap(values.split(/,/));
}
- // array of non-empty element tags that will maintain a single space outside of them
- var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,mark,math,q,rt,rp,s,samp,small,span,strike,strong,sub,sup,svg,time,tt,u,var');
-
- function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
+ function collapseWhitespace(str, preserveLineBreaks, conservativeCollapse, trimLeft, trimRight, collapseAll) {
var lineBreakBefore = '', lineBreakAfter = '';
- if (options.preserveLineBreaks) {
+ if (preserveLineBreaks) {
str = str.replace(/^[\t ]*[\n\r]+[\t\n\r ]*/, function() {
lineBreakBefore = '\n';
return '';
});
}
- if (prevTag && prevTag !== 'img' && prevTag !== 'input' && prevTag !== 'comment'
- && (prevTag.charAt(0) !== '/' || options.collapseInlineTagWhitespace || !inlineTags(prevTag.substr(1)))) {
- str = str.replace(/^\s+/, !lineBreakBefore && options.conservativeCollapse ? ' ' : '');
+ if (trimLeft) {
+ str = str.replace(/^\s+/, !lineBreakBefore && conservativeCollapse ? ' ' : '');
}
- if (nextTag && nextTag !== 'img' && nextTag !== 'input' && nextTag !== 'comment'
- && (nextTag.charAt(0) === '/' || options.collapseInlineTagWhitespace || !inlineTags(nextTag))) {
- str = str.replace(/\s+$/, !lineBreakAfter && options.conservativeCollapse ? ' ' : '');
+ if (trimRight) {
+ str = str.replace(/\s+$/, !lineBreakAfter && conservativeCollapse ? ' ' : '');
}
- if (prevTag && nextTag) {
+ if (collapseAll) {
// strip non space whitespace then compress spaces to one
- str = collapseWhitespace(str);
+ str = collapseWhitespaceAll(str);
}
return lineBreakBefore + str + lineBreakAfter;
}
+ // array of non-empty element tags that will maintain a single space outside of them
+ var inlineTags = createMapFromString('a,abbr,acronym,b,bdi,bdo,big,button,cite,code,del,dfn,em,font,i,ins,kbd,mark,math,q,rt,rp,s,samp,small,span,strike,strong,sub,sup,svg,time,tt,u,var');
+ var selfClosingInlineTags = createMapFromString('comment,img,input');
+
+ function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
+ var trimLeft = prevTag && !selfClosingInlineTags(prevTag) && (options.collapseInlineTagWhitespace || prevTag.charAt(0) !== '/' || !inlineTags(prevTag.substr(1)));
+ var trimRight = nextTag && !selfClosingInlineTags(nextTag) && (options.collapseInlineTagWhitespace || nextTag.charAt(0) === '/' || !inlineTags(nextTag));
+ return collapseWhitespace(str, options.preserveLineBreaks, options.conservativeCollapse, trimLeft, trimRight, prevTag && nextTag);
+ }
+
function isConditionalComment(text) {
return ((/\[if[^\]]+\]/).test(text) || (/\s*((?:<!)?\[endif\])$/).test(text));
}
return attrValue;
}
else if (attrName === 'class') {
- return collapseWhitespace(trimWhitespace(attrValue));
+ return collapseWhitespaceAll(trimWhitespace(attrValue));
}
else if (isUriTypeAttribute(attrName, tag)) {
attrValue = trimWhitespace(attrValue);
});
}
- if (options.ignoreCustomFragments) {
- uidAttr = uniqueId(value);
- var customFragments = options.ignoreCustomFragments.map(function(re) {
- return re.source;
- });
+ var customFragments = (options.ignoreCustomFragments || [
+ /<%[\s\S]*?%>/,
+ /<\?[\s\S]*?\?>/
+ ]).map(function(re) {
+ return re.source;
+ });
+ if (customFragments.length) {
var reCustomIgnore = new RegExp('\\s*(?:' + customFragments.join('|') + ')\\s*', 'g');
// temporarily replace custom ignored fragments with unique attributes
value = value.replace(reCustomIgnore, function(match) {
+ if (!uidAttr) {
+ uidAttr = uniqueId(value);
+ }
ignoredCustomMarkupChunks.push(match);
return ' ' + uidAttr + ' ';
});
text = prevTag || nextTag ? collapseWhitespaceSmart(text, prevTag, nextTag, options) : trimWhitespace(text);
}
if (!stackNoCollapseWhitespace.length) {
- text = prevTag && nextTag || nextTag === 'html' ? text : collapseWhitespace(text);
+ text = prevTag && nextTag || nextTag === 'html' ? text : collapseWhitespaceAll(text);
}
}
if (currentTag === 'script' || currentTag === 'style') {
buffer.push(text);
},
doctype: function(doctype) {
- buffer.push(options.useShortDoctype ? '<!DOCTYPE html>' : collapseWhitespace(doctype));
+ buffer.push(options.useShortDoctype ? '<!DOCTYPE html>' : collapseWhitespaceAll(doctype));
},
customAttrAssign: options.customAttrAssign,
customAttrSurround: options.customAttrSurround
var str = joinResultSegments(results, options);
if (uidAttr) {
- str = str.replace(new RegExp('\\s*' + uidAttr + '\\s*', 'g'), function() {
- return ignoredCustomMarkupChunks.shift();
+ str = str.replace(new RegExp('(\\s*)' + uidAttr + '(\\s*)', 'g'), function(match, prefix, suffix) {
+ var chunk = ignoredCustomMarkupChunks.shift();
+ return options.collapseWhitespace ? collapseWhitespace(prefix + chunk + suffix, options.preserveLineBreaks, true, true, true) : chunk;
});
}
if (uidIgnore) {
}
}
- // Ignored elements?
- if ( /^<\?/.test( html ) ) {
- index = html.indexOf( '?>', 2 );
- if ( index >= 0 ) {
- if ( handler.chars ) {
- handler.chars( html.substring( 0, index + 2 ) );
- }
- html = html.substring( index + 2 );
- prevTag = '';
- continue;
- }
- }
-
- if ( /^<%/.test( html ) ) {
- index = html.indexOf( '%>', 2 );
- if ( index >= 0 ) {
- if ( handler.chars ) {
- handler.chars(html.substring( 0, index + 2) );
- }
- html = html.substring( index + 2 );
- prevTag = '';
- continue;
- }
- }
-
// Doctype:
if ( (match = doctype.exec( html )) ) {
if ( handler.doctype ) {
// https://github.com/kangax/html-minifier/issues/10
test('Ignore custom fragments', function() {
- var reFragments = [ /<\?[^\?]+\?>/, /<%[^%]+%>/ ];
+ var reFragments = [ /<\?[^\?]+\?>/, /<%[^%]+%>/, /\{\{[^\}]*\}\}/ ];
- input = 'This is the start. <% ... %>\r\n<%= ... %>\r\n<? ... ?>\r\n<!-- This is the middle, and a comment. -->\r\nNo comment, but middle.\r\n<?= ... ?>\r\n<?php ... ?>\r\n<?xml ... ?>\r\nHello, this is the end!';
- output = 'This is the start. <% ... %> <%= ... %> <? ... ?> No comment, but middle. <?= ... ?> <?php ... ?> <?xml ... ?> Hello, this is the end!';
+ input = 'This is the start. <% ... %>\r\n<%= ... %>\r\n<? ... ?>\r\n<!-- This is the middle, and a comment. -->\r\nNo comment, but middle.\r\n{{ ... }}\r\n<?php ... ?>\r\n<?xml ... ?>\r\nHello, this is the end!';
+ output = 'This is the start. <% ... %> <%= ... %> <? ... ?> No comment, but middle. {{ ... }} <?php ... ?> <?xml ... ?> Hello, this is the end!';
equal(minify(input, {}), input);
equal(minify(input, { removeComments: true, collapseWhitespace: true }), output);
+ equal(minify(input, {
+ removeComments: true,
+ collapseWhitespace: true,
+ ignoreCustomFragments: reFragments
+ }), output);
- output = 'This is the start. <% ... %>\r\n<%= ... %>\r\n<? ... ?>\r\nNo comment, but middle.\r\n<?= ... ?>\r\n<?php ... ?>\r\n<?xml ... ?>\r\nHello, this is the end!';
+ output = 'This is the start. <% ... %>\n<%= ... %>\n<? ... ?>\nNo comment, but middle. {{ ... }}\n<?php ... ?>\n<?xml ... ?>\nHello, this is the end!';
equal(minify(input, {
removeComments: true,
collapseWhitespace: true,
+ preserveLineBreaks: true
+ }), output);
+
+ output = 'This is the start. <% ... %>\n<%= ... %>\n<? ... ?>\nNo comment, but middle.\n{{ ... }}\n<?php ... ?>\n<?xml ... ?>\nHello, this is the end!';
+
+ equal(minify(input, {
+ removeComments: true,
+ collapseWhitespace: true,
+ preserveLineBreaks: true,
ignoreCustomFragments: reFragments
}), output);
- input = '<% if foo? %>\r\n <div class="bar">\r\n ...\r\n </div>\r\n<% end %>';
- output = '<% if foo? %><div class="bar">...</div><% end %>';
+ input = '{{ if foo? }}\r\n <div class="bar">\r\n ...\r\n </div>\r\n{{ end \n}}';
+ output = '{{ if foo? }}<div class="bar">...</div>{{ end }}';
equal(minify(input, {}), input);
equal(minify(input, { collapseWhitespace: true }), output);
+ equal(minify(input, { collapseWhitespace: true, ignoreCustomFragments: [] }), output);
- output = '<% if foo? %>\r\n <div class="bar">...</div>\r\n<% end %>';
+ output = '{{ if foo? }} <div class="bar">...</div> {{ end \n}}';
equal(minify(input, { collapseWhitespace: true, ignoreCustomFragments: reFragments }), output);
- input = '<a class="<% if foo? %>bar<% end %>"></a>';
+ output = '{{ if foo? }}\n<div class="bar">\n...\n</div>\n{{ end \n}}';
+
+ equal(minify(input, {
+ collapseWhitespace: true,
+ preserveLineBreaks: true,
+ ignoreCustomFragments: reFragments
+ }), output);
+
+ input = '<a class="<% if foo? %>bar<% end %> {{ ... }}"></a>';
equal(minify(input, {}), input);
equal(minify(input, { ignoreCustomFragments: reFragments }), input);
public / html-minifier.git / commitdiff