diff options
Diffstat (limited to 'node_modules/stylus/lib/nodes/block.js')
| -rw-r--r-- | node_modules/stylus/lib/nodes/block.js | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/node_modules/stylus/lib/nodes/block.js b/node_modules/stylus/lib/nodes/block.js new file mode 100644 index 00000000..ed4e9776 --- /dev/null +++ b/node_modules/stylus/lib/nodes/block.js @@ -0,0 +1,127 @@ + +/*! + * Stylus - Block + * Copyright (c) Automattic <developer.wordpress.com> + * MIT Licensed + */ + +/** + * Module dependencies. + */ + +var Node = require('./node'); + +/** + * Initialize a new `Block` node with `parent` Block. + * + * @param {Block} parent + * @api public + */ + +var Block = module.exports = function Block(parent, node){ + Node.call(this); + this.nodes = []; + this.parent = parent; + this.node = node; + this.scope = true; +}; + +/** + * Inherit from `Node.prototype`. + */ + +Block.prototype.__proto__ = Node.prototype; + +/** + * Check if this block has properties.. + * + * @return {Boolean} + * @api public + */ + +Block.prototype.__defineGetter__('hasProperties', function(){ + for (var i = 0, len = this.nodes.length; i < len; ++i) { + if ('property' == this.nodes[i].nodeName) { + return true; + } + } +}); + +/** + * Check if this block has @media nodes. + * + * @return {Boolean} + * @api public + */ + +Block.prototype.__defineGetter__('hasMedia', function(){ + for (var i = 0, len = this.nodes.length; i < len; ++i) { + var nodeName = this.nodes[i].nodeName; + if ('media' == nodeName) { + return true; + } + } + return false; +}); + +/** + * Check if this block is empty. + * + * @return {Boolean} + * @api public + */ + +Block.prototype.__defineGetter__('isEmpty', function(){ + return !this.nodes.length; +}); + +/** + * Return a clone of this node. + * + * @return {Node} + * @api public + */ + +Block.prototype.clone = function(parent, node){ + parent = parent || this.parent; + var clone = new Block(parent, node || this.node); + clone.lineno = this.lineno; + clone.column = this.column; + clone.filename = this.filename; + clone.scope = this.scope; + this.nodes.forEach(function(node){ + clone.push(node.clone(clone, clone)); + }); + return clone; +}; + +/** + * Push a `node` to this block. + * + * @param {Node} node + * @api public + */ + +Block.prototype.push = function(node){ + this.nodes.push(node); +}; + +/** + * Return a JSON representation of this node. + * + * @return {Object} + * @api public + */ + +Block.prototype.toJSON = function(){ + return { + __type: 'Block', + // parent: this.parent, + // node: this.node, + scope: this.scope, + lineno: this.lineno, + column: this.column, + filename: this.filename, + nodes: this.nodes + }; +}; |
