🎉 initiate project *astro_rewrite*

node_modules/inline-style-parser/index.js

@@ -0,0 +1,261 @@
+// http://www.w3.org/TR/CSS21/grammar.html
+// https://github.com/visionmedia/css-parse/pull/49#issuecomment-30088027
+var COMMENT_REGEX = /\/\*[^*]*\*+([^/*][^*]*\*+)*\//g;
+
+var NEWLINE_REGEX = /\n/g;
+var WHITESPACE_REGEX = /^\s*/;
+
+// declaration
+var PROPERTY_REGEX = /^(\*?[-#/*\\\w]+(\[[0-9a-z_-]+\])?)\s*/;
+var COLON_REGEX = /^:\s*/;
+var VALUE_REGEX = /^((?:'(?:\\'|.)*?'|"(?:\\"|.)*?"|\([^)]*?\)|[^};])+)/;
+var SEMICOLON_REGEX = /^[;\s]*/;
+
+// https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/Trim#Polyfill
+var TRIM_REGEX = /^\s+|\s+$/g;
+
+// strings
+var NEWLINE = '\n';
+var FORWARD_SLASH = '/';
+var ASTERISK = '*';
+var EMPTY_STRING = '';
+
+// types
+var TYPE_COMMENT = 'comment';
+var TYPE_DECLARATION = 'declaration';
+
+/**
+ * @param {String} style
+ * @param {Object} [options]
+ * @return {Object[]}
+ * @throws {TypeError}
+ * @throws {Error}
+ */
+module.exports = function(style, options) {
+  if (typeof style !== 'string') {
+    throw new TypeError('First argument must be a string');
+  }
+
+  if (!style) return [];
+
+  options = options || {};
+
+  /**
+   * Positional.
+   */
+  var lineno = 1;
+  var column = 1;
+
+  /**
+   * Update lineno and column based on `str`.
+   *
+   * @param {String} str
+   */
+  function updatePosition(str) {
+    var lines = str.match(NEWLINE_REGEX);
+    if (lines) lineno += lines.length;
+    var i = str.lastIndexOf(NEWLINE);
+    column = ~i ? str.length - i : column + str.length;
+  }
+
+  /**
+   * Mark position and patch `node.position`.
+   *
+   * @return {Function}
+   */
+  function position() {
+    var start = { line: lineno, column: column };
+    return function(node) {
+      node.position = new Position(start);
+      whitespace();
+      return node;
+    };
+  }
+
+  /**
+   * Store position information for a node.
+   *
+   * @constructor
+   * @property {Object} start
+   * @property {Object} end
+   * @property {undefined|String} source
+   */
+  function Position(start) {
+    this.start = start;
+    this.end = { line: lineno, column: column };
+    this.source = options.source;
+  }
+
+  /**
+   * Non-enumerable source string.
+   */
+  Position.prototype.content = style;
+
+  var errorsList = [];
+
+  /**
+   * Error `msg`.
+   *
+   * @param {String} msg
+   * @throws {Error}
+   */
+  function error(msg) {
+    var err = new Error(
+      options.source + ':' + lineno + ':' + column + ': ' + msg
+    );
+    err.reason = msg;
+    err.filename = options.source;
+    err.line = lineno;
+    err.column = column;
+    err.source = style;
+
+    if (options.silent) {
+      errorsList.push(err);
+    } else {
+      throw err;
+    }
+  }
+
+  /**
+   * Match `re` and return captures.
+   *
+   * @param {RegExp} re
+   * @return {undefined|Array}
+   */
+  function match(re) {
+    var m = re.exec(style);
+    if (!m) return;
+    var str = m[0];
+    updatePosition(str);
+    style = style.slice(str.length);
+    return m;
+  }
+
+  /**
+   * Parse whitespace.
+   */
+  function whitespace() {
+    match(WHITESPACE_REGEX);
+  }
+
+  /**
+   * Parse comments.
+   *
+   * @param {Object[]} [rules]
+   * @return {Object[]}
+   */
+  function comments(rules) {
+    var c;
+    rules = rules || [];
+    while ((c = comment())) {
+      if (c !== false) {
+        rules.push(c);
+      }
+    }
+    return rules;
+  }
+
+  /**
+   * Parse comment.
+   *
+   * @return {Object}
+   * @throws {Error}
+   */
+  function comment() {
+    var pos = position();
+    if (FORWARD_SLASH != style.charAt(0) || ASTERISK != style.charAt(1)) return;
+
+    var i = 2;
+    while (
+      EMPTY_STRING != style.charAt(i) &&
+      (ASTERISK != style.charAt(i) || FORWARD_SLASH != style.charAt(i + 1))
+    ) {
+      ++i;
+    }
+    i += 2;
+
+    if (EMPTY_STRING === style.charAt(i - 1)) {
+      return error('End of comment missing');
+    }
+
+    var str = style.slice(2, i - 2);
+    column += 2;
+    updatePosition(str);
+    style = style.slice(i);
+    column += 2;
+
+    return pos({
+      type: TYPE_COMMENT,
+      comment: str
+    });
+  }
+
+  /**
+   * Parse declaration.
+   *
+   * @return {Object}
+   * @throws {Error}
+   */
+  function declaration() {
+    var pos = position();
+
+    // prop
+    var prop = match(PROPERTY_REGEX);
+    if (!prop) return;
+    comment();
+
+    // :
+    if (!match(COLON_REGEX)) return error("property missing ':'");
+
+    // val
+    var val = match(VALUE_REGEX);
+
+    var ret = pos({
+      type: TYPE_DECLARATION,
+      property: trim(prop[0].replace(COMMENT_REGEX, EMPTY_STRING)),
+      value: val
+        ? trim(val[0].replace(COMMENT_REGEX, EMPTY_STRING))
+        : EMPTY_STRING
+    });
+
+    // ;
+    match(SEMICOLON_REGEX);
+
+    return ret;
+  }
+
+  /**
+   * Parse declarations.
+   *
+   * @return {Object[]}
+   */
+  function declarations() {
+    var decls = [];
+
+    comments(decls);
+
+    // declarations
+    var decl;
+    while ((decl = declaration())) {
+      if (decl !== false) {
+        decls.push(decl);
+        comments(decls);
+      }
+    }
+
+    return decls;
+  }
+
+  whitespace();
+  return declarations();
+};
+
+/**
+ * Trim `str`.
+ *
+ * @param {String} str
+ * @return {String}
+ */
+function trim(str) {
+  return str ? str.replace(TRIM_REGEX, EMPTY_STRING) : EMPTY_STRING;
+}