/usr/lib/nodejs/cssom/CSSStyleSheet.js is in node-cssom 0.3.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88  | //.CommonJS
var CSSOM = {
	StyleSheet: require("./StyleSheet").StyleSheet,
	CSSStyleRule: require("./CSSStyleRule").CSSStyleRule
};
///CommonJS
/**
 * @constructor
 * @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet
 */
CSSOM.CSSStyleSheet = function CSSStyleSheet() {
	CSSOM.StyleSheet.call(this);
	this.cssRules = [];
};
CSSOM.CSSStyleSheet.prototype = new CSSOM.StyleSheet;
CSSOM.CSSStyleSheet.prototype.constructor = CSSOM.CSSStyleSheet;
/**
 * Used to insert a new rule into the style sheet. The new rule now becomes part of the cascade.
 *
 *   sheet = new Sheet("body {margin: 0}")
 *   sheet.toString()
 *   -> "body{margin:0;}"
 *   sheet.insertRule("img {border: none}", 0)
 *   -> 0
 *   sheet.toString()
 *   -> "img{border:none;}body{margin:0;}"
 *
 * @param {string} rule
 * @param {number} index
 * @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet-insertRule
 * @return {number} The index within the style sheet's rule collection of the newly inserted rule.
 */
CSSOM.CSSStyleSheet.prototype.insertRule = function(rule, index) {
	if (index < 0 || index > this.cssRules.length) {
		throw new RangeError("INDEX_SIZE_ERR");
	}
	var cssRule = CSSOM.parse(rule).cssRules[0];
	cssRule.parentStyleSheet = this;
	this.cssRules.splice(index, 0, cssRule);
	return index;
};
/**
 * Used to delete a rule from the style sheet.
 *
 *   sheet = new Sheet("img{border:none} body{margin:0}")
 *   sheet.toString()
 *   -> "img{border:none;}body{margin:0;}"
 *   sheet.deleteRule(0)
 *   sheet.toString()
 *   -> "body{margin:0;}"
 *
 * @param {number} index within the style sheet's rule list of the rule to remove.
 * @see http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleSheet-deleteRule
 */
CSSOM.CSSStyleSheet.prototype.deleteRule = function(index) {
	if (index < 0 || index >= this.cssRules.length) {
		throw new RangeError("INDEX_SIZE_ERR");
	}
	this.cssRules.splice(index, 1);
};
/**
 * NON-STANDARD
 * @return {string} serialize stylesheet
 */
CSSOM.CSSStyleSheet.prototype.toString = function() {
	var result = "";
	var rules = this.cssRules;
	for (var i=0; i<rules.length; i++) {
		result += rules[i].cssText + "\n";
	}
	return result;
};
//.CommonJS
exports.CSSStyleSheet = CSSOM.CSSStyleSheet;
CSSOM.parse = require('./parse').parse; // Cannot be included sooner due to the mutual dependency between parse.js and CSSStyleSheet.js
///CommonJS
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