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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.InlineStyleParser = factory());
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})(this, (function () { 'use strict';
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// http://www.w3.org/TR/CSS21/grammar.html
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// https://github.com/visionmedia/css-parse/pull/49#issuecomment-30088027
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var COMMENT_REGEX = /\/\*[^*]*\*+([^/*][^*]*\*+)*\//g;
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var NEWLINE_REGEX = /\n/g;
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var WHITESPACE_REGEX = /^\s*/;
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// declaration
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var PROPERTY_REGEX = /^(\*?[-#/*\\\w]+(\[[0-9a-z_-]+\])?)\s*/;
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var COLON_REGEX = /^:\s*/;
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var VALUE_REGEX = /^((?:'(?:\\'|.)*?'|"(?:\\"|.)*?"|\([^)]*?\)|[^};])+)/;
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var SEMICOLON_REGEX = /^[;\s]*/;
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// https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/Trim#Polyfill
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var TRIM_REGEX = /^\s+|\s+$/g;
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// strings
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var NEWLINE = '\n';
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var FORWARD_SLASH = '/';
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var ASTERISK = '*';
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var EMPTY_STRING = '';
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// types
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var TYPE_COMMENT = 'comment';
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var TYPE_DECLARATION = 'declaration';
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/**
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* @param {String} style
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* @param {Object} [options]
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* @return {Object[]}
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* @throws {TypeError}
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* @throws {Error}
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*/
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function index (style, options) {
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if (typeof style !== 'string') {
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throw new TypeError('First argument must be a string');
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}
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if (!style) return [];
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options = options || {};
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/**
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* Positional.
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*/
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var lineno = 1;
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var column = 1;
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/**
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* Update lineno and column based on `str`.
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*
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* @param {String} str
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*/
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function updatePosition(str) {
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var lines = str.match(NEWLINE_REGEX);
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if (lines) lineno += lines.length;
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var i = str.lastIndexOf(NEWLINE);
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column = ~i ? str.length - i : column + str.length;
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}
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/**
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* Mark position and patch `node.position`.
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*
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* @return {Function}
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*/
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function position() {
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var start = { line: lineno, column: column };
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return function (node) {
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node.position = new Position(start);
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whitespace();
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return node;
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};
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}
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/**
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* Store position information for a node.
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*
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* @constructor
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* @property {Object} start
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* @property {Object} end
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* @property {undefined|String} source
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*/
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function Position(start) {
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this.start = start;
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this.end = { line: lineno, column: column };
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this.source = options.source;
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}
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/**
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* Non-enumerable source string.
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*/
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Position.prototype.content = style;
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/**
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* Error `msg`.
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*
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* @param {String} msg
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* @throws {Error}
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*/
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function error(msg) {
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var err = new Error(
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options.source + ':' + lineno + ':' + column + ': ' + msg
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);
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err.reason = msg;
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err.filename = options.source;
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err.line = lineno;
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err.column = column;
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err.source = style;
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if (options.silent) ; else {
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throw err;
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}
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}
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/**
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* Match `re` and return captures.
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*
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* @param {RegExp} re
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* @return {undefined|Array}
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*/
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function match(re) {
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var m = re.exec(style);
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if (!m) return;
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var str = m[0];
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updatePosition(str);
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style = style.slice(str.length);
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return m;
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}
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/**
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* Parse whitespace.
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*/
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function whitespace() {
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match(WHITESPACE_REGEX);
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}
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/**
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* Parse comments.
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*
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* @param {Object[]} [rules]
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* @return {Object[]}
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*/
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function comments(rules) {
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var c;
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rules = rules || [];
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while ((c = comment())) {
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if (c !== false) {
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rules.push(c);
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}
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}
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return rules;
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}
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/**
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* Parse comment.
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*
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* @return {Object}
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* @throws {Error}
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*/
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function comment() {
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var pos = position();
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if (FORWARD_SLASH != style.charAt(0) || ASTERISK != style.charAt(1)) return;
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var i = 2;
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while (
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EMPTY_STRING != style.charAt(i) &&
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(ASTERISK != style.charAt(i) || FORWARD_SLASH != style.charAt(i + 1))
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) {
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++i;
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}
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i += 2;
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if (EMPTY_STRING === style.charAt(i - 1)) {
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return error('End of comment missing');
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}
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var str = style.slice(2, i - 2);
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column += 2;
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updatePosition(str);
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style = style.slice(i);
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column += 2;
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return pos({
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type: TYPE_COMMENT,
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comment: str
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});
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}
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/**
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* Parse declaration.
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*
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* @return {Object}
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* @throws {Error}
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*/
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function declaration() {
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var pos = position();
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// prop
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var prop = match(PROPERTY_REGEX);
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if (!prop) return;
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comment();
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// :
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if (!match(COLON_REGEX)) return error("property missing ':'");
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// val
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var val = match(VALUE_REGEX);
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var ret = pos({
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type: TYPE_DECLARATION,
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property: trim(prop[0].replace(COMMENT_REGEX, EMPTY_STRING)),
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value: val
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? trim(val[0].replace(COMMENT_REGEX, EMPTY_STRING))
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: EMPTY_STRING
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});
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// ;
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match(SEMICOLON_REGEX);
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return ret;
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}
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/**
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* Parse declarations.
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*
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* @return {Object[]}
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*/
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function declarations() {
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var decls = [];
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comments(decls);
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// declarations
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var decl;
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while ((decl = declaration())) {
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if (decl !== false) {
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decls.push(decl);
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comments(decls);
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}
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}
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return decls;
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}
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whitespace();
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return declarations();
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}
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/**
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* Trim `str`.
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*
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* @param {String} str
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* @return {String}
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*/
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function trim(str) {
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return str ? str.replace(TRIM_REGEX, EMPTY_STRING) : EMPTY_STRING;
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}
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return index;
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}));
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//# sourceMappingURL=inline-style-parser.js.map
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+1
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+2
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!function(n,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(n="undefined"!=typeof globalThis?globalThis:n||self).InlineStyleParser=e()}(this,(function(){"use strict";var n=/\/\*[^*]*\*+([^/*][^*]*\*+)*\//g,e=/\n/g,r=/^\s*/,t=/^(\*?[-#/*\\\w]+(\[[0-9a-z_-]+\])?)\s*/,o=/^:\s*/,i=/^((?:'(?:\\'|.)*?'|"(?:\\"|.)*?"|\([^)]*?\)|[^};])+)/,u=/^[;\s]*/,c=/^\s+|\s+$/g,f="";function s(n){return n?n.replace(c,f):f}return function(c,a){if("string"!=typeof c)throw new TypeError("First argument must be a string");if(!c)return[];a=a||{};var l=1,p=1;function h(n){var r=n.match(e);r&&(l+=r.length);var t=n.lastIndexOf("\n");p=~t?n.length-t:p+n.length}function m(){var n={line:l,column:p};return function(e){return e.position=new v(n),y(),e}}function v(n){this.start=n,this.end={line:l,column:p},this.source=a.source}function d(n){var e=new Error(a.source+":"+l+":"+p+": "+n);if(e.reason=n,e.filename=a.source,e.line=l,e.column=p,e.source=c,!a.silent)throw e}function g(n){var e=n.exec(c);if(e){var r=e[0];return h(r),c=c.slice(r.length),e}}function y(){g(r)}function w(n){var e;for(n=n||[];e=A();)!1!==e&&n.push(e);return n}function A(){var n=m();if("/"==c.charAt(0)&&"*"==c.charAt(1)){for(var e=2;f!=c.charAt(e)&&("*"!=c.charAt(e)||"/"!=c.charAt(e+1));)++e;if(e+=2,f===c.charAt(e-1))return d("End of comment missing");var r=c.slice(2,e-2);return p+=2,h(r),c=c.slice(e),p+=2,n({type:"comment",comment:r})}}function b(){var e=m(),r=g(t);if(r){if(A(),!g(o))return d("property missing ':'");var c=g(i),a=e({type:"declaration",property:s(r[0].replace(n,f)),value:c?s(c[0].replace(n,f)):f});return g(u),a}}return v.prototype.content=c,y(),function(){var n,e=[];for(w(e);n=b();)!1!==n&&(e.push(n),w(e));return e}()}}));
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//# sourceMappingURL=inline-style-parser.min.js.map
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+1
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