| 65 | } |
| 66 | |
| 67 | constructor(defaults = {}) { |
| 68 | this.raws = {} |
| 69 | this[isClean] = false |
| 70 | this[my] = true |
| 71 | |
| 72 | for (let name in defaults) { |
| 73 | if (name === 'nodes') { |
| 74 | this.nodes = [] |
| 75 | for (let node of defaults[name]) { |
| 76 | // Clone only nodes that already belong to another tree, so passing a |
| 77 | // freshly created (parent-less) node adopts that instance instead of |
| 78 | // a copy and keeps the caller's reference usable. See #1987. |
| 79 | if (typeof node.clone === 'function' && node.parent) { |
| 80 | this.append(node.clone()) |
| 81 | } else { |
| 82 | this.append(node) |
| 83 | } |
| 84 | } |
| 85 | } else { |
| 86 | this[name] = defaults[name] |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | addToError(error) { |
| 92 | error.postcssNode = this |