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authorlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:10:59 +0800
committerlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:41:44 +0800
commitfc87c009806dcc98867f6b58efe29b042aa01dee (patch)
tree8f59b3f4a5b66e9dfef2d40c8d318e258a521228 /node_modules/html-minifier-terser/src/htmlminifier.js
parent3336b2356ee6152d9c6ae59bd9b87ccbc0958407 (diff)
node: updatemain
Diffstat (limited to 'node_modules/html-minifier-terser/src/htmlminifier.js')
-rw-r--r--node_modules/html-minifier-terser/src/htmlminifier.js1366
1 files changed, 0 insertions, 1366 deletions
diff --git a/node_modules/html-minifier-terser/src/htmlminifier.js b/node_modules/html-minifier-terser/src/htmlminifier.js
deleted file mode 100644
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--- a/node_modules/html-minifier-terser/src/htmlminifier.js
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@@ -1,1366 +0,0 @@
-import CleanCSS from 'clean-css';
-import { decodeHTMLStrict, decodeHTML } from 'entities';
-import RelateURL from 'relateurl';
-import { minify as terser } from 'terser';
-
-import { HTMLParser, endTag } from './htmlparser.js';
-import TokenChain from './tokenchain.js';
-import { replaceAsync } from './utils.js';
-
-function trimWhitespace(str) {
- return str && str.replace(/^[ \n\r\t\f]+/, '').replace(/[ \n\r\t\f]+$/, '');
-}
-
-function collapseWhitespaceAll(str) {
- // Non-breaking space is specifically handled inside the replacer function here:
- return str && str.replace(/[ \n\r\t\f\xA0]+/g, function (spaces) {
- return spaces === '\t' ? '\t' : spaces.replace(/(^|\xA0+)[^\xA0]+/g, '$1 ');
- });
-}
-
-function collapseWhitespace(str, options, trimLeft, trimRight, collapseAll) {
- let lineBreakBefore = ''; let lineBreakAfter = '';
-
- if (options.preserveLineBreaks) {
- str = str.replace(/^[ \n\r\t\f]*?[\n\r][ \n\r\t\f]*/, function () {
- lineBreakBefore = '\n';
- return '';
- }).replace(/[ \n\r\t\f]*?[\n\r][ \n\r\t\f]*$/, function () {
- lineBreakAfter = '\n';
- return '';
- });
- }
-
- if (trimLeft) {
- // Non-breaking space is specifically handled inside the replacer function here:
- str = str.replace(/^[ \n\r\t\f\xA0]+/, function (spaces) {
- const conservative = !lineBreakBefore && options.conservativeCollapse;
- if (conservative && spaces === '\t') {
- return '\t';
- }
- return spaces.replace(/^[^\xA0]+/, '').replace(/(\xA0+)[^\xA0]+/g, '$1 ') || (conservative ? ' ' : '');
- });
- }
-
- if (trimRight) {
- // Non-breaking space is specifically handled inside the replacer function here:
- str = str.replace(/[ \n\r\t\f\xA0]+$/, function (spaces) {
- const conservative = !lineBreakAfter && options.conservativeCollapse;
- if (conservative && spaces === '\t') {
- return '\t';
- }
- return spaces.replace(/[^\xA0]+(\xA0+)/g, ' $1').replace(/[^\xA0]+$/, '') || (conservative ? ' ' : '');
- });
- }
-
- if (collapseAll) {
- // strip non space whitespace then compress spaces to one
- str = collapseWhitespaceAll(str);
- }
-
- return lineBreakBefore + str + lineBreakAfter;
-}
-
-// non-empty tags that will maintain whitespace around them
-const inlineTags = new Set(['a', 'abbr', 'acronym', 'b', 'bdi', 'bdo', 'big', 'button', 'cite', 'code', 'del', 'dfn', 'em', 'font', 'i', 'ins', 'kbd', 'label', 'mark', 'math', 'nobr', 'object', 'q', 'rp', 'rt', 'rtc', 'ruby', 's', 'samp', 'select', 'small', 'span', 'strike', 'strong', 'sub', 'sup', 'svg', 'textarea', 'time', 'tt', 'u', 'var']);
-// non-empty tags that will maintain whitespace within them
-const inlineTextTags = new Set(['a', 'abbr', 'acronym', 'b', 'big', 'del', 'em', 'font', 'i', 'ins', 'kbd', 'mark', 'nobr', 'rp', 's', 'samp', 'small', 'span', 'strike', 'strong', 'sub', 'sup', 'time', 'tt', 'u', 'var']);
-// self-closing tags that will maintain whitespace around them
-const selfClosingInlineTags = new Set(['comment', 'img', 'input', 'wbr']);
-
-function collapseWhitespaceSmart(str, prevTag, nextTag, options) {
- let trimLeft = prevTag && !selfClosingInlineTags.has(prevTag);
- if (trimLeft && !options.collapseInlineTagWhitespace) {
- trimLeft = prevTag.charAt(0) === '/' ? !inlineTags.has(prevTag.slice(1)) : !inlineTextTags.has(prevTag);
- }
- let trimRight = nextTag && !selfClosingInlineTags.has(nextTag);
- if (trimRight && !options.collapseInlineTagWhitespace) {
- trimRight = nextTag.charAt(0) === '/' ? !inlineTextTags.has(nextTag.slice(1)) : !inlineTags.has(nextTag);
- }
- return collapseWhitespace(str, options, trimLeft, trimRight, prevTag && nextTag);
-}
-
-function isConditionalComment(text) {
- return /^\[if\s[^\]]+]|\[endif]$/.test(text);
-}
-
-function isIgnoredComment(text, options) {
- for (let i = 0, len = options.ignoreCustomComments.length; i < len; i++) {
- if (options.ignoreCustomComments[i].test(text)) {
- return true;
- }
- }
- return false;
-}
-
-function isEventAttribute(attrName, options) {
- const patterns = options.customEventAttributes;
- if (patterns) {
- for (let i = patterns.length; i--;) {
- if (patterns[i].test(attrName)) {
- return true;
- }
- }
- return false;
- }
- return /^on[a-z]{3,}$/.test(attrName);
-}
-
-function canRemoveAttributeQuotes(value) {
- // https://mathiasbynens.be/notes/unquoted-attribute-values
- return /^[^ \t\n\f\r"'`=<>]+$/.test(value);
-}
-
-function attributesInclude(attributes, attribute) {
- for (let i = attributes.length; i--;) {
- if (attributes[i].name.toLowerCase() === attribute) {
- return true;
- }
- }
- return false;
-}
-
-function isAttributeRedundant(tag, attrName, attrValue, attrs) {
- attrValue = attrValue ? trimWhitespace(attrValue.toLowerCase()) : '';
-
- return (
- (tag === 'script' &&
- attrName === 'language' &&
- attrValue === 'javascript') ||
-
- (tag === 'form' &&
- attrName === 'method' &&
- attrValue === 'get') ||
-
- (tag === 'input' &&
- attrName === 'type' &&
- attrValue === 'text') ||
-
- (tag === 'script' &&
- attrName === 'charset' &&
- !attributesInclude(attrs, 'src')) ||
-
- (tag === 'a' &&
- attrName === 'name' &&
- attributesInclude(attrs, 'id')) ||
-
- (tag === 'area' &&
- attrName === 'shape' &&
- attrValue === 'rect')
- );
-}
-
-// https://mathiasbynens.be/demo/javascript-mime-type
-// https://developer.mozilla.org/en/docs/Web/HTML/Element/script#attr-type
-const executableScriptsMimetypes = new Set([
- 'text/javascript',
- 'text/ecmascript',
- 'text/jscript',
- 'application/javascript',
- 'application/x-javascript',
- 'application/ecmascript',
- 'module'
-]);
-
-const keepScriptsMimetypes = new Set([
- 'module'
-]);
-
-function isScriptTypeAttribute(attrValue = '') {
- attrValue = trimWhitespace(attrValue.split(/;/, 2)[0]).toLowerCase();
- return attrValue === '' || executableScriptsMimetypes.has(attrValue);
-}
-
-function keepScriptTypeAttribute(attrValue = '') {
- attrValue = trimWhitespace(attrValue.split(/;/, 2)[0]).toLowerCase();
- return keepScriptsMimetypes.has(attrValue);
-}
-
-function isExecutableScript(tag, attrs) {
- if (tag !== 'script') {
- return false;
- }
- for (let i = 0, len = attrs.length; i < len; i++) {
- const attrName = attrs[i].name.toLowerCase();
- if (attrName === 'type') {
- return isScriptTypeAttribute(attrs[i].value);
- }
- }
- return true;
-}
-
-function isStyleLinkTypeAttribute(attrValue = '') {
- attrValue = trimWhitespace(attrValue).toLowerCase();
- return attrValue === '' || attrValue === 'text/css';
-}
-
-function isStyleSheet(tag, attrs) {
- if (tag !== 'style') {
- return false;
- }
- for (let i = 0, len = attrs.length; i < len; i++) {
- const attrName = attrs[i].name.toLowerCase();
- if (attrName === 'type') {
- return isStyleLinkTypeAttribute(attrs[i].value);
- }
- }
- return true;
-}
-
-const isSimpleBoolean = new Set(['allowfullscreen', 'async', 'autofocus', 'autoplay', 'checked', 'compact', 'controls', 'declare', 'default', 'defaultchecked', 'defaultmuted', 'defaultselected', 'defer', 'disabled', 'enabled', 'formnovalidate', 'hidden', 'indeterminate', 'inert', 'ismap', 'itemscope', 'loop', 'multiple', 'muted', 'nohref', 'noresize', 'noshade', 'novalidate', 'nowrap', 'open', 'pauseonexit', 'readonly', 'required', 'reversed', 'scoped', 'seamless', 'selected', 'sortable', 'truespeed', 'typemustmatch', 'visible']);
-const isBooleanValue = new Set(['true', 'false']);
-
-function isBooleanAttribute(attrName, attrValue) {
- return isSimpleBoolean.has(attrName) || (attrName === 'draggable' && !isBooleanValue.has(attrValue));
-}
-
-function isUriTypeAttribute(attrName, tag) {
- return (
- (/^(?:a|area|link|base)$/.test(tag) && attrName === 'href') ||
- (tag === 'img' && /^(?:src|longdesc|usemap)$/.test(attrName)) ||
- (tag === 'object' && /^(?:classid|codebase|data|usemap)$/.test(attrName)) ||
- (tag === 'q' && attrName === 'cite') ||
- (tag === 'blockquote' && attrName === 'cite') ||
- ((tag === 'ins' || tag === 'del') && attrName === 'cite') ||
- (tag === 'form' && attrName === 'action') ||
- (tag === 'input' && (attrName === 'src' || attrName === 'usemap')) ||
- (tag === 'head' && attrName === 'profile') ||
- (tag === 'script' && (attrName === 'src' || attrName === 'for'))
- );
-}
-
-function isNumberTypeAttribute(attrName, tag) {
- return (
- (/^(?:a|area|object|button)$/.test(tag) && attrName === 'tabindex') ||
- (tag === 'input' && (attrName === 'maxlength' || attrName === 'tabindex')) ||
- (tag === 'select' && (attrName === 'size' || attrName === 'tabindex')) ||
- (tag === 'textarea' && /^(?:rows|cols|tabindex)$/.test(attrName)) ||
- (tag === 'colgroup' && attrName === 'span') ||
- (tag === 'col' && attrName === 'span') ||
- ((tag === 'th' || tag === 'td') && (attrName === 'rowspan' || attrName === 'colspan'))
- );
-}
-
-function isLinkType(tag, attrs, value) {
- if (tag !== 'link') {
- return false;
- }
- for (let i = 0, len = attrs.length; i < len; i++) {
- if (attrs[i].name === 'rel' && attrs[i].value === value) {
- return true;
- }
- }
-}
-
-function isMediaQuery(tag, attrs, attrName) {
- return attrName === 'media' && (isLinkType(tag, attrs, 'stylesheet') || isStyleSheet(tag, attrs));
-}
-
-const srcsetTags = new Set(['img', 'source']);
-
-function isSrcset(attrName, tag) {
- return attrName === 'srcset' && srcsetTags.has(tag);
-}
-
-async function cleanAttributeValue(tag, attrName, attrValue, options, attrs) {
- if (isEventAttribute(attrName, options)) {
- attrValue = trimWhitespace(attrValue).replace(/^javascript:\s*/i, '');
- return options.minifyJS(attrValue, true);
- } else if (attrName === 'class') {
- attrValue = trimWhitespace(attrValue);
- if (options.sortClassName) {
- attrValue = options.sortClassName(attrValue);
- } else {
- attrValue = collapseWhitespaceAll(attrValue);
- }
- return attrValue;
- } else if (isUriTypeAttribute(attrName, tag)) {
- attrValue = trimWhitespace(attrValue);
- return isLinkType(tag, attrs, 'canonical') ? attrValue : options.minifyURLs(attrValue);
- } else if (isNumberTypeAttribute(attrName, tag)) {
- return trimWhitespace(attrValue);
- } else if (attrName === 'style') {
- attrValue = trimWhitespace(attrValue);
- if (attrValue) {
- if (/;$/.test(attrValue) && !/&#?[0-9a-zA-Z]+;$/.test(attrValue)) {
- attrValue = attrValue.replace(/\s*;$/, ';');
- }
- attrValue = await options.minifyCSS(attrValue, 'inline');
- }
- return attrValue;
- } else if (isSrcset(attrName, tag)) {
- // https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-srcset
- attrValue = trimWhitespace(attrValue).split(/\s+,\s*|\s*,\s+/).map(function (candidate) {
- let url = candidate;
- let descriptor = '';
- const match = candidate.match(/\s+([1-9][0-9]*w|[0-9]+(?:\.[0-9]+)?x)$/);
- if (match) {
- url = url.slice(0, -match[0].length);
- const num = +match[1].slice(0, -1);
- const suffix = match[1].slice(-1);
- if (num !== 1 || suffix !== 'x') {
- descriptor = ' ' + num + suffix;
- }
- }
- return options.minifyURLs(url) + descriptor;
- }).join(', ');
- } else if (isMetaViewport(tag, attrs) && attrName === 'content') {
- attrValue = attrValue.replace(/\s+/g, '').replace(/[0-9]+\.[0-9]+/g, function (numString) {
- // "0.90000" -> "0.9"
- // "1.0" -> "1"
- // "1.0001" -> "1.0001" (unchanged)
- return (+numString).toString();
- });
- } else if (isContentSecurityPolicy(tag, attrs) && attrName.toLowerCase() === 'content') {
- return collapseWhitespaceAll(attrValue);
- } else if (options.customAttrCollapse && options.customAttrCollapse.test(attrName)) {
- attrValue = trimWhitespace(attrValue.replace(/ ?[\n\r]+ ?/g, '').replace(/\s{2,}/g, options.conservativeCollapse ? ' ' : ''));
- } else if (tag === 'script' && attrName === 'type') {
- attrValue = trimWhitespace(attrValue.replace(/\s*;\s*/g, ';'));
- } else if (isMediaQuery(tag, attrs, attrName)) {
- attrValue = trimWhitespace(attrValue);
- return options.minifyCSS(attrValue, 'media');
- }
- return attrValue;
-}
-
-function isMetaViewport(tag, attrs) {
- if (tag !== 'meta') {
- return false;
- }
- for (let i = 0, len = attrs.length; i < len; i++) {
- if (attrs[i].name === 'name' && attrs[i].value === 'viewport') {
- return true;
- }
- }
-}
-
-function isContentSecurityPolicy(tag, attrs) {
- if (tag !== 'meta') {
- return false;
- }
- for (let i = 0, len = attrs.length; i < len; i++) {
- if (attrs[i].name.toLowerCase() === 'http-equiv' && attrs[i].value.toLowerCase() === 'content-security-policy') {
- return true;
- }
- }
-}
-
-function ignoreCSS(id) {
- return '/* clean-css ignore:start */' + id + '/* clean-css ignore:end */';
-}
-
-// Wrap CSS declarations for CleanCSS > 3.x
-// See https://github.com/jakubpawlowicz/clean-css/issues/418
-function wrapCSS(text, type) {
- switch (type) {
- case 'inline':
- return '*{' + text + '}';
- case 'media':
- return '@media ' + text + '{a{top:0}}';
- default:
- return text;
- }
-}
-
-function unwrapCSS(text, type) {
- let matches;
- switch (type) {
- case 'inline':
- matches = text.match(/^\*\{([\s\S]*)\}$/);
- break;
- case 'media':
- matches = text.match(/^@media ([\s\S]*?)\s*{[\s\S]*}$/);
- break;
- }
- return matches ? matches[1] : text;
-}
-
-async function cleanConditionalComment(comment, options) {
- return options.processConditionalComments
- ? await replaceAsync(comment, /^(\[if\s[^\]]+]>)([\s\S]*?)(<!\[endif])$/, async function (match, prefix, text, suffix) {
- return prefix + await minifyHTML(text, options, true) + suffix;
- })
- : comment;
-}
-
-async function processScript(text, options, currentAttrs) {
- for (let i = 0, len = currentAttrs.length; i < len; i++) {
- if (currentAttrs[i].name.toLowerCase() === 'type' &&
- options.processScripts.indexOf(currentAttrs[i].value) > -1) {
- return await minifyHTML(text, options);
- }
- }
- return text;
-}
-
-// Tag omission rules from https://html.spec.whatwg.org/multipage/syntax.html#optional-tags
-// with the following deviations:
-// - retain <body> if followed by <noscript>
-// - </rb>, </rt>, </rtc>, </rp> & </tfoot> follow https://www.w3.org/TR/html5/syntax.html#optional-tags
-// - retain all tags which are adjacent to non-standard HTML tags
-const optionalStartTags = new Set(['html', 'head', 'body', 'colgroup', 'tbody']);
-const optionalEndTags = new Set(['html', 'head', 'body', 'li', 'dt', 'dd', 'p', 'rb', 'rt', 'rtc', 'rp', 'optgroup', 'option', 'colgroup', 'caption', 'thead', 'tbody', 'tfoot', 'tr', 'td', 'th']);
-const headerTags = new Set(['meta', 'link', 'script', 'style', 'template', 'noscript']);
-const descriptionTags = new Set(['dt', 'dd']);
-const pBlockTags = new Set(['address', 'article', 'aside', 'blockquote', 'details', 'div', 'dl', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hgroup', 'hr', 'main', 'menu', 'nav', 'ol', 'p', 'pre', 'section', 'table', 'ul']);
-const pInlineTags = new Set(['a', 'audio', 'del', 'ins', 'map', 'noscript', 'video']);
-const rubyTags = new Set(['rb', 'rt', 'rtc', 'rp']);
-const rtcTag = new Set(['rb', 'rtc', 'rp']);
-const optionTag = new Set(['option', 'optgroup']);
-const tableContentTags = new Set(['tbody', 'tfoot']);
-const tableSectionTags = new Set(['thead', 'tbody', 'tfoot']);
-const cellTags = new Set(['td', 'th']);
-const topLevelTags = new Set(['html', 'head', 'body']);
-const compactTags = new Set(['html', 'body']);
-const looseTags = new Set(['head', 'colgroup', 'caption']);
-const trailingTags = new Set(['dt', 'thead']);
-const htmlTags = new Set(['a', 'abbr', 'acronym', 'address', 'applet', 'area', 'article', 'aside', 'audio', 'b', 'base', 'basefont', 'bdi', 'bdo', 'bgsound', 'big', 'blink', 'blockquote', 'body', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'command', 'content', 'data', 'datalist', 'dd', 'del', 'details', 'dfn', 'dialog', 'dir', 'div', 'dl', 'dt', 'element', 'em', 'embed', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr', 'html', 'i', 'iframe', 'image', 'img', 'input', 'ins', 'isindex', 'kbd', 'keygen', 'label', 'legend', 'li', 'link', 'listing', 'main', 'map', 'mark', 'marquee', 'menu', 'menuitem', 'meta', 'meter', 'multicol', 'nav', 'nobr', 'noembed', 'noframes', 'noscript', 'object', 'ol', 'optgroup', 'option', 'output', 'p', 'param', 'picture', 'plaintext', 'pre', 'progress', 'q', 'rb', 'rp', 'rt', 'rtc', 'ruby', 's', 'samp', 'script', 'section', 'select', 'shadow', 'small', 'source', 'spacer', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'title', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr', 'xmp']);
-
-function canRemoveParentTag(optionalStartTag, tag) {
- switch (optionalStartTag) {
- case 'html':
- case 'head':
- return true;
- case 'body':
- return !headerTags.has(tag);
- case 'colgroup':
- return tag === 'col';
- case 'tbody':
- return tag === 'tr';
- }
- return false;
-}
-
-function isStartTagMandatory(optionalEndTag, tag) {
- switch (tag) {
- case 'colgroup':
- return optionalEndTag === 'colgroup';
- case 'tbody':
- return tableSectionTags.has(optionalEndTag);
- }
- return false;
-}
-
-function canRemovePrecedingTag(optionalEndTag, tag) {
- switch (optionalEndTag) {
- case 'html':
- case 'head':
- case 'body':
- case 'colgroup':
- case 'caption':
- return true;
- case 'li':
- case 'optgroup':
- case 'tr':
- return tag === optionalEndTag;
- case 'dt':
- case 'dd':
- return descriptionTags.has(tag);
- case 'p':
- return pBlockTags.has(tag);
- case 'rb':
- case 'rt':
- case 'rp':
- return rubyTags.has(tag);
- case 'rtc':
- return rtcTag.has(tag);
- case 'option':
- return optionTag.has(tag);
- case 'thead':
- case 'tbody':
- return tableContentTags.has(tag);
- case 'tfoot':
- return tag === 'tbody';
- case 'td':
- case 'th':
- return cellTags.has(tag);
- }
- return false;
-}
-
-const reEmptyAttribute = new RegExp(
- '^(?:class|id|style|title|lang|dir|on(?:focus|blur|change|click|dblclick|mouse(' +
- '?:down|up|over|move|out)|key(?:press|down|up)))$');
-
-function canDeleteEmptyAttribute(tag, attrName, attrValue, options) {
- const isValueEmpty = !attrValue || /^\s*$/.test(attrValue);
- if (!isValueEmpty) {
- return false;
- }
- if (typeof options.removeEmptyAttributes === 'function') {
- return options.removeEmptyAttributes(attrName, tag);
- }
- return (tag === 'input' && attrName === 'value') || reEmptyAttribute.test(attrName);
-}
-
-function hasAttrName(name, attrs) {
- for (let i = attrs.length - 1; i >= 0; i--) {
- if (attrs[i].name === name) {
- return true;
- }
- }
- return false;
-}
-
-function canRemoveElement(tag, attrs) {
- switch (tag) {
- case 'textarea':
- return false;
- case 'audio':
- case 'script':
- case 'video':
- if (hasAttrName('src', attrs)) {
- return false;
- }
- break;
- case 'iframe':
- if (hasAttrName('src', attrs) || hasAttrName('srcdoc', attrs)) {
- return false;
- }
- break;
- case 'object':
- if (hasAttrName('data', attrs)) {
- return false;
- }
- break;
- case 'applet':
- if (hasAttrName('code', attrs)) {
- return false;
- }
- break;
- }
- return true;
-}
-
-function canCollapseWhitespace(tag) {
- return !/^(?:script|style|pre|textarea)$/.test(tag);
-}
-
-function canTrimWhitespace(tag) {
- return !/^(?:pre|textarea)$/.test(tag);
-}
-
-async function normalizeAttr(attr, attrs, tag, options) {
- const attrName = options.name(attr.name);
- let attrValue = attr.value;
-
- if (options.decodeEntities && attrValue) {
- attrValue = decodeHTMLStrict(attrValue);
- }
-
- if ((options.removeRedundantAttributes &&
- isAttributeRedundant(tag, attrName, attrValue, attrs)) ||
- (options.removeScriptTypeAttributes && tag === 'script' &&
- attrName === 'type' && isScriptTypeAttribute(attrValue) && !keepScriptTypeAttribute(attrValue)) ||
- (options.removeStyleLinkTypeAttributes && (tag === 'style' || tag === 'link') &&
- attrName === 'type' && isStyleLinkTypeAttribute(attrValue))) {
- return;
- }
-
- if (attrValue) {
- attrValue = await cleanAttributeValue(tag, attrName, attrValue, options, attrs);
- }
-
- if (options.removeEmptyAttributes &&
- canDeleteEmptyAttribute(tag, attrName, attrValue, options)) {
- return;
- }
-
- if (options.decodeEntities && attrValue) {
- attrValue = attrValue.replace(/&(#?[0-9a-zA-Z]+;)/g, '&amp;$1');
- }
-
- return {
- attr,
- name: attrName,
- value: attrValue
- };
-}
-
-function buildAttr(normalized, hasUnarySlash, options, isLast, uidAttr) {
- const attrName = normalized.name;
- let attrValue = normalized.value;
- const attr = normalized.attr;
- let attrQuote = attr.quote;
- let attrFragment;
- let emittedAttrValue;
-
- if (typeof attrValue !== 'undefined' && (!options.removeAttributeQuotes ||
- ~attrValue.indexOf(uidAttr) || !canRemoveAttributeQuotes(attrValue))) {
- if (!options.preventAttributesEscaping) {
- if (typeof options.quoteCharacter === 'undefined') {
- const apos = (attrValue.match(/'/g) || []).length;
- const quot = (attrValue.match(/"/g) || []).length;
- attrQuote = apos < quot ? '\'' : '"';
- } else {
- attrQuote = options.quoteCharacter === '\'' ? '\'' : '"';
- }
- if (attrQuote === '"') {
- attrValue = attrValue.replace(/"/g, '&#34;');
- } else {
- attrValue = attrValue.replace(/'/g, '&#39;');
- }
- }
- emittedAttrValue = attrQuote + attrValue + attrQuote;
- if (!isLast && !options.removeTagWhitespace) {
- emittedAttrValue += ' ';
- }
- } else if (isLast && !hasUnarySlash && !/\/$/.test(attrValue)) {
- // make sure trailing slash is not interpreted as HTML self-closing tag
- emittedAttrValue = attrValue;
- } else {
- emittedAttrValue = attrValue + ' ';
- }
-
- if (typeof attrValue === 'undefined' || (options.collapseBooleanAttributes &&
- isBooleanAttribute(attrName.toLowerCase(), attrValue.toLowerCase()))) {
- attrFragment = attrName;
- if (!isLast) {
- attrFragment += ' ';
- }
- } else {
- attrFragment = attrName + attr.customAssign + emittedAttrValue;
- }
-
- return attr.customOpen + attrFragment + attr.customClose;
-}
-
-function identity(value) {
- return value;
-}
-
-function identityAsync(value) {
- return Promise.resolve(value);
-}
-
-const processOptions = (inputOptions) => {
- const options = {
- name: function (name) {
- return name.toLowerCase();
- },
- canCollapseWhitespace,
- canTrimWhitespace,
- html5: true,
- ignoreCustomComments: [
- /^!/,
- /^\s*#/
- ],
- ignoreCustomFragments: [
- /<%[\s\S]*?%>/,
- /<\?[\s\S]*?\?>/
- ],
- includeAutoGeneratedTags: true,
- log: identity,
- minifyCSS: identityAsync,
- minifyJS: identity,
- minifyURLs: identity
- };
-
- Object.keys(inputOptions).forEach(function (key) {
- const option = inputOptions[key];
-
- if (key === 'caseSensitive') {
- if (option) {
- options.name = identity;
- }
- } else if (key === 'log') {
- if (typeof option === 'function') {
- options.log = option;
- }
- } else if (key === 'minifyCSS' && typeof option !== 'function') {
- if (!option) {
- return;
- }
-
- const cleanCssOptions = typeof option === 'object' ? option : {};
-
- options.minifyCSS = async function (text, type) {
- text = text.replace(/(url\s*\(\s*)("|'|)(.*?)\2(\s*\))/ig, function (match, prefix, quote, url, suffix) {
- return prefix + quote + options.minifyURLs(url) + quote + suffix;
- });
-
- const inputCSS = wrapCSS(text, type);
-
- return new Promise((resolve) => {
- new CleanCSS(cleanCssOptions).minify(inputCSS, (_err, output) => {
- if (output.errors.length > 0) {
- output.errors.forEach(options.log);
- resolve(text);
- }
-
- const outputCSS = unwrapCSS(output.styles, type);
- resolve(outputCSS);
- });
- });
- };
- } else if (key === 'minifyJS' && typeof option !== 'function') {
- if (!option) {
- return;
- }
-
- const terserOptions = typeof option === 'object' ? option : {};
-
- terserOptions.parse = {
- ...terserOptions.parse,
- bare_returns: false
- };
-
- options.minifyJS = async function (text, inline) {
- const start = text.match(/^\s*<!--.*/);
- const code = start ? text.slice(start[0].length).replace(/\n\s*-->\s*$/, '') : text;
-
- terserOptions.parse.bare_returns = inline;
-
- try {
- const result = await terser(code, terserOptions);
- return result.code.replace(/;$/, '');
- } catch (error) {
- options.log(error);
- return text;
- }
- };
- } else if (key === 'minifyURLs' && typeof option !== 'function') {
- if (!option) {
- return;
- }
-
- let relateUrlOptions = option;
-
- if (typeof option === 'string') {
- relateUrlOptions = { site: option };
- } else if (typeof option !== 'object') {
- relateUrlOptions = {};
- }
-
- options.minifyURLs = function (text) {
- try {
- return RelateURL.relate(text, relateUrlOptions);
- } catch (err) {
- options.log(err);
- return text;
- }
- };
- } else {
- options[key] = option;
- }
- });
- return options;
-};
-
-function uniqueId(value) {
- let id;
- do {
- id = Math.random().toString(36).replace(/^0\.[0-9]*/, '');
- } while (~value.indexOf(id));
- return id;
-}
-
-const specialContentTags = new Set(['script', 'style']);
-
-async function createSortFns(value, options, uidIgnore, uidAttr) {
- const attrChains = options.sortAttributes && Object.create(null);
- const classChain = options.sortClassName && new TokenChain();
-
- function attrNames(attrs) {
- return attrs.map(function (attr) {
- return options.name(attr.name);
- });
- }
-
- function shouldSkipUID(token, uid) {
- return !uid || token.indexOf(uid) === -1;
- }
-
- function shouldSkipUIDs(token) {
- return shouldSkipUID(token, uidIgnore) && shouldSkipUID(token, uidAttr);
- }
-
- async function scan(input) {
- let currentTag, currentType;
- const parser = new HTMLParser(input, {
- start: function (tag, attrs) {
- if (attrChains) {
- if (!attrChains[tag]) {
- attrChains[tag] = new TokenChain();
- }
- attrChains[tag].add(attrNames(attrs).filter(shouldSkipUIDs));
- }
- for (let i = 0, len = attrs.length; i < len; i++) {
- const attr = attrs[i];
- if (classChain && attr.value && options.name(attr.name) === 'class') {
- classChain.add(trimWhitespace(attr.value).split(/[ \t\n\f\r]+/).filter(shouldSkipUIDs));
- } else if (options.processScripts && attr.name.toLowerCase() === 'type') {
- currentTag = tag;
- currentType = attr.value;
- }
- }
- },
- end: function () {
- currentTag = '';
- },
- chars: async function (text) {
- if (options.processScripts && specialContentTags.has(currentTag) &&
- options.processScripts.indexOf(currentType) > -1) {
- await scan(text);
- }
- }
- });
-
- await parser.parse();
- }
-
- const log = options.log;
- options.log = identity;
- options.sortAttributes = false;
- options.sortClassName = false;
- await scan(await minifyHTML(value, options));
- options.log = log;
- if (attrChains) {
- const attrSorters = Object.create(null);
- for (const tag in attrChains) {
- attrSorters[tag] = attrChains[tag].createSorter();
- }
- options.sortAttributes = function (tag, attrs) {
- const sorter = attrSorters[tag];
- if (sorter) {
- const attrMap = Object.create(null);
- const names = attrNames(attrs);
- names.forEach(function (name, index) {
- (attrMap[name] || (attrMap[name] = [])).push(attrs[index]);
- });
- sorter.sort(names).forEach(function (name, index) {
- attrs[index] = attrMap[name].shift();
- });
- }
- };
- }
- if (classChain) {
- const sorter = classChain.createSorter();
- options.sortClassName = function (value) {
- return sorter.sort(value.split(/[ \n\f\r]+/)).join(' ');
- };
- }
-}
-
-async function minifyHTML(value, options, partialMarkup) {
- if (options.collapseWhitespace) {
- value = collapseWhitespace(value, options, true, true);
- }
-
- const buffer = [];
- let charsPrevTag;
- let currentChars = '';
- let hasChars;
- let currentTag = '';
- let currentAttrs = [];
- const stackNoTrimWhitespace = [];
- const stackNoCollapseWhitespace = [];
- let optionalStartTag = '';
- let optionalEndTag = '';
- const ignoredMarkupChunks = [];
- const ignoredCustomMarkupChunks = [];
- let uidIgnore;
- let uidAttr;
- let uidPattern;
-
- // temporarily replace ignored chunks with comments,
- // so that we don't have to worry what's there.
- // for all we care there might be
- // completely-horribly-broken-alien-non-html-emoj-cthulhu-filled content
- value = value.replace(/<!-- htmlmin:ignore -->([\s\S]*?)<!-- htmlmin:ignore -->/g, function (match, group1) {
- if (!uidIgnore) {
- uidIgnore = uniqueId(value);
- const pattern = new RegExp('^' + uidIgnore + '([0-9]+)$');
- if (options.ignoreCustomComments) {
- options.ignoreCustomComments = options.ignoreCustomComments.slice();
- } else {
- options.ignoreCustomComments = [];
- }
- options.ignoreCustomComments.push(pattern);
- }
- const token = '<!--' + uidIgnore + ignoredMarkupChunks.length + '-->';
- ignoredMarkupChunks.push(group1);
- return token;
- });
-
- const customFragments = options.ignoreCustomFragments.map(function (re) {
- return re.source;
- });
- if (customFragments.length) {
- const 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);
- uidPattern = new RegExp('(\\s*)' + uidAttr + '([0-9]+)' + uidAttr + '(\\s*)', 'g');
-
- if (options.minifyCSS) {
- options.minifyCSS = (function (fn) {
- return function (text, type) {
- text = text.replace(uidPattern, function (match, prefix, index) {
- const chunks = ignoredCustomMarkupChunks[+index];
- return chunks[1] + uidAttr + index + uidAttr + chunks[2];
- });
-
- const ids = [];
- new CleanCSS().minify(wrapCSS(text, type)).warnings.forEach(function (warning) {
- const match = uidPattern.exec(warning);
- if (match) {
- const id = uidAttr + match[2] + uidAttr;
- text = text.replace(id, ignoreCSS(id));
- ids.push(id);
- }
- });
-
- return fn(text, type).then(chunk => {
- ids.forEach(function (id) {
- chunk = chunk.replace(ignoreCSS(id), id);
- });
-
- return chunk;
- });
- };
- })(options.minifyCSS);
- }
-
- if (options.minifyJS) {
- options.minifyJS = (function (fn) {
- return function (text, type) {
- return fn(text.replace(uidPattern, function (match, prefix, index) {
- const chunks = ignoredCustomMarkupChunks[+index];
- return chunks[1] + uidAttr + index + uidAttr + chunks[2];
- }), type);
- };
- })(options.minifyJS);
- }
- }
-
- const token = uidAttr + ignoredCustomMarkupChunks.length + uidAttr;
- ignoredCustomMarkupChunks.push(/^(\s*)[\s\S]*?(\s*)$/.exec(match));
- return '\t' + token + '\t';
- });
- }
-
- if ((options.sortAttributes && typeof options.sortAttributes !== 'function') ||
- (options.sortClassName && typeof options.sortClassName !== 'function')) {
- await createSortFns(value, options, uidIgnore, uidAttr);
- }
-
- function _canCollapseWhitespace(tag, attrs) {
- return options.canCollapseWhitespace(tag, attrs, canCollapseWhitespace);
- }
-
- function _canTrimWhitespace(tag, attrs) {
- return options.canTrimWhitespace(tag, attrs, canTrimWhitespace);
- }
-
- function removeStartTag() {
- let index = buffer.length - 1;
- while (index > 0 && !/^<[^/!]/.test(buffer[index])) {
- index--;
- }
- buffer.length = Math.max(0, index);
- }
-
- function removeEndTag() {
- let index = buffer.length - 1;
- while (index > 0 && !/^<\//.test(buffer[index])) {
- index--;
- }
- buffer.length = Math.max(0, index);
- }
-
- // look for trailing whitespaces, bypass any inline tags
- function trimTrailingWhitespace(index, nextTag) {
- for (let endTag = null; index >= 0 && _canTrimWhitespace(endTag); index--) {
- const str = buffer[index];
- const match = str.match(/^<\/([\w:-]+)>$/);
- if (match) {
- endTag = match[1];
- } else if (/>$/.test(str) || (buffer[index] = collapseWhitespaceSmart(str, null, nextTag, options))) {
- break;
- }
- }
- }
-
- // look for trailing whitespaces from previously processed text
- // which may not be trimmed due to a following comment or an empty
- // element which has now been removed
- function squashTrailingWhitespace(nextTag) {
- let charsIndex = buffer.length - 1;
- if (buffer.length > 1) {
- const item = buffer[buffer.length - 1];
- if (/^(?:<!|$)/.test(item) && item.indexOf(uidIgnore) === -1) {
- charsIndex--;
- }
- }
- trimTrailingWhitespace(charsIndex, nextTag);
- }
-
- const parser = new HTMLParser(value, {
- partialMarkup,
- continueOnParseError: options.continueOnParseError,
- customAttrAssign: options.customAttrAssign,
- customAttrSurround: options.customAttrSurround,
- html5: options.html5,
-
- start: async function (tag, attrs, unary, unarySlash, autoGenerated) {
- if (tag.toLowerCase() === 'svg') {
- options = Object.create(options);
- options.caseSensitive = true;
- options.keepClosingSlash = true;
- options.name = identity;
- }
- tag = options.name(tag);
- currentTag = tag;
- charsPrevTag = tag;
- if (!inlineTextTags.has(tag)) {
- currentChars = '';
- }
- hasChars = false;
- currentAttrs = attrs;
-
- let optional = options.removeOptionalTags;
- if (optional) {
- const htmlTag = htmlTags.has(tag);
- // <html> may be omitted if first thing inside is not comment
- // <head> may be omitted if first thing inside is an element
- // <body> may be omitted if first thing inside is not space, comment, <meta>, <link>, <script>, <style> or <template>
- // <colgroup> may be omitted if first thing inside is <col>
- // <tbody> may be omitted if first thing inside is <tr>
- if (htmlTag && canRemoveParentTag(optionalStartTag, tag)) {
- removeStartTag();
- }
- optionalStartTag = '';
- // end-tag-followed-by-start-tag omission rules
- if (htmlTag && canRemovePrecedingTag(optionalEndTag, tag)) {
- removeEndTag();
- // <colgroup> cannot be omitted if preceding </colgroup> is omitted
- // <tbody> cannot be omitted if preceding </tbody>, </thead> or </tfoot> is omitted
- optional = !isStartTagMandatory(optionalEndTag, tag);
- }
- optionalEndTag = '';
- }
-
- // set whitespace flags for nested tags (eg. <code> within a <pre>)
- if (options.collapseWhitespace) {
- if (!stackNoTrimWhitespace.length) {
- squashTrailingWhitespace(tag);
- }
- if (!unary) {
- if (!_canTrimWhitespace(tag, attrs) || stackNoTrimWhitespace.length) {
- stackNoTrimWhitespace.push(tag);
- }
- if (!_canCollapseWhitespace(tag, attrs) || stackNoCollapseWhitespace.length) {
- stackNoCollapseWhitespace.push(tag);
- }
- }
- }
-
- const openTag = '<' + tag;
- const hasUnarySlash = unarySlash && options.keepClosingSlash;
-
- buffer.push(openTag);
-
- if (options.sortAttributes) {
- options.sortAttributes(tag, attrs);
- }
-
- const parts = [];
- for (let i = attrs.length, isLast = true; --i >= 0;) {
- const normalized = await normalizeAttr(attrs[i], attrs, tag, options);
- if (normalized) {
- parts.unshift(buildAttr(normalized, hasUnarySlash, options, isLast, uidAttr));
- isLast = false;
- }
- }
- if (parts.length > 0) {
- buffer.push(' ');
- buffer.push.apply(buffer, parts);
- } else if (optional && optionalStartTags.has(tag)) {
- // start tag must never be omitted if it has any attributes
- optionalStartTag = tag;
- }
-
- buffer.push(buffer.pop() + (hasUnarySlash ? '/' : '') + '>');
-
- if (autoGenerated && !options.includeAutoGeneratedTags) {
- removeStartTag();
- optionalStartTag = '';
- }
- },
- end: function (tag, attrs, autoGenerated) {
- if (tag.toLowerCase() === 'svg') {
- options = Object.getPrototypeOf(options);
- }
- tag = options.name(tag);
-
- // check if current tag is in a whitespace stack
- if (options.collapseWhitespace) {
- if (stackNoTrimWhitespace.length) {
- if (tag === stackNoTrimWhitespace[stackNoTrimWhitespace.length - 1]) {
- stackNoTrimWhitespace.pop();
- }
- } else {
- squashTrailingWhitespace('/' + tag);
- }
- if (stackNoCollapseWhitespace.length &&
- tag === stackNoCollapseWhitespace[stackNoCollapseWhitespace.length - 1]) {
- stackNoCollapseWhitespace.pop();
- }
- }
-
- let isElementEmpty = false;
- if (tag === currentTag) {
- currentTag = '';
- isElementEmpty = !hasChars;
- }
-
- if (options.removeOptionalTags) {
- // <html>, <head> or <body> may be omitted if the element is empty
- if (isElementEmpty && topLevelTags.has(optionalStartTag)) {
- removeStartTag();
- }
- optionalStartTag = '';
- // </html> or </body> may be omitted if not followed by comment
- // </head> may be omitted if not followed by space or comment
- // </p> may be omitted if no more content in non-</a> parent
- // except for </dt> or </thead>, end tags may be omitted if no more content in parent element
- if (htmlTags.has(tag) && optionalEndTag && !trailingTags.has(optionalEndTag) && (optionalEndTag !== 'p' || !pInlineTags.has(tag))) {
- removeEndTag();
- }
- optionalEndTag = optionalEndTags.has(tag) ? tag : '';
- }
-
- if (options.removeEmptyElements && isElementEmpty && canRemoveElement(tag, attrs)) {
- // remove last "element" from buffer
- removeStartTag();
- optionalStartTag = '';
- optionalEndTag = '';
- } else {
- if (autoGenerated && !options.includeAutoGeneratedTags) {
- optionalEndTag = '';
- } else {
- buffer.push('</' + tag + '>');
- }
- charsPrevTag = '/' + tag;
- if (!inlineTags.has(tag)) {
- currentChars = '';
- } else if (isElementEmpty) {
- currentChars += '|';
- }
- }
- },
- chars: async function (text, prevTag, nextTag) {
- prevTag = prevTag === '' ? 'comment' : prevTag;
- nextTag = nextTag === '' ? 'comment' : nextTag;
- if (options.decodeEntities && text && !specialContentTags.has(currentTag)) {
- text = decodeHTML(text);
- }
- if (options.collapseWhitespace) {
- if (!stackNoTrimWhitespace.length) {
- if (prevTag === 'comment') {
- const prevComment = buffer[buffer.length - 1];
- if (prevComment.indexOf(uidIgnore) === -1) {
- if (!prevComment) {
- prevTag = charsPrevTag;
- }
- if (buffer.length > 1 && (!prevComment || (!options.conservativeCollapse && / $/.test(currentChars)))) {
- const charsIndex = buffer.length - 2;
- buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function (trailingSpaces) {
- text = trailingSpaces + text;
- return '';
- });
- }
- }
- }
- if (prevTag) {
- if (prevTag === '/nobr' || prevTag === 'wbr') {
- if (/^\s/.test(text)) {
- let tagIndex = buffer.length - 1;
- while (tagIndex > 0 && buffer[tagIndex].lastIndexOf('<' + prevTag) !== 0) {
- tagIndex--;
- }
- trimTrailingWhitespace(tagIndex - 1, 'br');
- }
- } else if (inlineTextTags.has(prevTag.charAt(0) === '/' ? prevTag.slice(1) : prevTag)) {
- text = collapseWhitespace(text, options, /(?:^|\s)$/.test(currentChars));
- }
- }
- if (prevTag || nextTag) {
- text = collapseWhitespaceSmart(text, prevTag, nextTag, options);
- } else {
- text = collapseWhitespace(text, options, true, true);
- }
- if (!text && /\s$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {
- trimTrailingWhitespace(buffer.length - 1, nextTag);
- }
- }
- if (!stackNoCollapseWhitespace.length && nextTag !== 'html' && !(prevTag && nextTag)) {
- text = collapseWhitespace(text, options, false, false, true);
- }
- }
- if (options.processScripts && specialContentTags.has(currentTag)) {
- text = await processScript(text, options, currentAttrs);
- }
- if (isExecutableScript(currentTag, currentAttrs)) {
- text = await options.minifyJS(text);
- }
- if (isStyleSheet(currentTag, currentAttrs)) {
- text = await options.minifyCSS(text);
- }
- if (options.removeOptionalTags && text) {
- // <html> may be omitted if first thing inside is not comment
- // <body> may be omitted if first thing inside is not space, comment, <meta>, <link>, <script>, <style> or <template>
- if (optionalStartTag === 'html' || (optionalStartTag === 'body' && !/^\s/.test(text))) {
- removeStartTag();
- }
- optionalStartTag = '';
- // </html> or </body> may be omitted if not followed by comment
- // </head>, </colgroup> or </caption> may be omitted if not followed by space or comment
- if (compactTags.has(optionalEndTag) || (looseTags.has(optionalEndTag) && !/^\s/.test(text))) {
- removeEndTag();
- }
- optionalEndTag = '';
- }
- charsPrevTag = /^\s*$/.test(text) ? prevTag : 'comment';
- if (options.decodeEntities && text && !specialContentTags.has(currentTag)) {
- // Escape any `&` symbols that start either:
- // 1) a legacy named character reference (i.e. one that doesn't end with `;`)
- // 2) or any other character reference (i.e. one that does end with `;`)
- // Note that `&` can be escaped as `&amp`, without the semi-colon.
- // https://mathiasbynens.be/notes/ambiguous-ampersands
- text = text.replace(/&((?:Iacute|aacute|uacute|plusmn|Otilde|otilde|agrave|Agrave|Yacute|yacute|Oslash|oslash|atilde|Atilde|brvbar|ccedil|Ccedil|Ograve|curren|divide|eacute|Eacute|ograve|Oacute|egrave|Egrave|Ugrave|frac12|frac14|frac34|ugrave|oacute|iacute|Ntilde|ntilde|Uacute|middot|igrave|Igrave|iquest|Aacute|cedil|laquo|micro|iexcl|Icirc|icirc|acirc|Ucirc|Ecirc|ocirc|Ocirc|ecirc|ucirc|Aring|aring|AElig|aelig|acute|pound|raquo|Acirc|times|THORN|szlig|thorn|COPY|auml|ordf|ordm|Uuml|macr|uuml|Auml|ouml|Ouml|para|nbsp|euml|quot|QUOT|Euml|yuml|cent|sect|copy|sup1|sup2|sup3|iuml|Iuml|ETH|shy|reg|not|yen|amp|AMP|REG|uml|eth|deg|gt|GT|LT|lt)(?!;)|(?:#?[0-9a-zA-Z]+;))/g, '&amp$1').replace(/</g, '&lt;');
- }
- if (uidPattern && options.collapseWhitespace && stackNoTrimWhitespace.length) {
- text = text.replace(uidPattern, function (match, prefix, index) {
- return ignoredCustomMarkupChunks[+index][0];
- });
- }
- currentChars += text;
- if (text) {
- hasChars = true;
- }
- buffer.push(text);
- },
- comment: async function (text, nonStandard) {
- const prefix = nonStandard ? '<!' : '<!--';
- const suffix = nonStandard ? '>' : '-->';
- if (isConditionalComment(text)) {
- text = prefix + await cleanConditionalComment(text, options) + suffix;
- } else if (options.removeComments) {
- if (isIgnoredComment(text, options)) {
- text = '<!--' + text + '-->';
- } else {
- text = '';
- }
- } else {
- text = prefix + text + suffix;
- }
- if (options.removeOptionalTags && text) {
- // preceding comments suppress tag omissions
- optionalStartTag = '';
- optionalEndTag = '';
- }
- buffer.push(text);
- },
- doctype: function (doctype) {
- buffer.push(options.useShortDoctype
- ? '<!doctype' +
- (options.removeTagWhitespace ? '' : ' ') + 'html>'
- : collapseWhitespaceAll(doctype));
- }
- });
-
- await parser.parse();
-
- if (options.removeOptionalTags) {
- // <html> may be omitted if first thing inside is not comment
- // <head> or <body> may be omitted if empty
- if (topLevelTags.has(optionalStartTag)) {
- removeStartTag();
- }
- // except for </dt> or </thead>, end tags may be omitted if no more content in parent element
- if (optionalEndTag && !trailingTags.has(optionalEndTag)) {
- removeEndTag();
- }
- }
- if (options.collapseWhitespace) {
- squashTrailingWhitespace('br');
- }
-
- return joinResultSegments(buffer, options, uidPattern
- ? function (str) {
- return str.replace(uidPattern, function (match, prefix, index, suffix) {
- let chunk = ignoredCustomMarkupChunks[+index][0];
- if (options.collapseWhitespace) {
- if (prefix !== '\t') {
- chunk = prefix + chunk;
- }
- if (suffix !== '\t') {
- chunk += suffix;
- }
- return collapseWhitespace(chunk, {
- preserveLineBreaks: options.preserveLineBreaks,
- conservativeCollapse: !options.trimCustomFragments
- }, /^[ \n\r\t\f]/.test(chunk), /[ \n\r\t\f]$/.test(chunk));
- }
- return chunk;
- });
- }
- : identity, uidIgnore
- ? function (str) {
- return str.replace(new RegExp('<!--' + uidIgnore + '([0-9]+)-->', 'g'), function (match, index) {
- return ignoredMarkupChunks[+index];
- });
- }
- : identity);
-}
-
-function joinResultSegments(results, options, restoreCustom, restoreIgnore) {
- let str;
- const maxLineLength = options.maxLineLength;
- const noNewlinesBeforeTagClose = options.noNewlinesBeforeTagClose;
-
- if (maxLineLength) {
- let line = ''; const lines = [];
- while (results.length) {
- const len = line.length;
- const end = results[0].indexOf('\n');
- const isClosingTag = Boolean(results[0].match(endTag));
- const shouldKeepSameLine = noNewlinesBeforeTagClose && isClosingTag;
-
- if (end < 0) {
- line += restoreIgnore(restoreCustom(results.shift()));
- } else {
- line += restoreIgnore(restoreCustom(results[0].slice(0, end)));
- results[0] = results[0].slice(end + 1);
- }
- if (len > 0 && line.length > maxLineLength && !shouldKeepSameLine) {
- lines.push(line.slice(0, len));
- line = line.slice(len);
- } else if (end >= 0) {
- lines.push(line);
- line = '';
- }
- }
- if (line) {
- lines.push(line);
- }
- str = lines.join('\n');
- } else {
- str = restoreIgnore(restoreCustom(results.join('')));
- }
- return options.collapseWhitespace ? collapseWhitespace(str, options, true, true) : str;
-}
-
-export const minify = async function (value, options) {
- const start = Date.now();
- options = processOptions(options || {});
- const result = await minifyHTML(value, options);
- options.log('minified in: ' + (Date.now() - start) + 'ms');
- return result;
-};
-
-export default { minify };