{"version":3,"file":"vnode.mjs","sources":["../../../../packages/utils/vnode.ts"],"sourcesContent":["import {\r\n Fragment,\r\n Text,\r\n Comment,\r\n createBlock,\r\n openBlock,\r\n createCommentVNode,\r\n isVNode,\r\n camelize,\r\n} from 'vue'\r\n\r\nimport { hasOwn, isArray } from '@vue/shared'\r\nimport { debugWarn } from './error'\r\nimport type { VNode, VNodeTypes, VNodeChild, VNodeNormalizedChildren } from 'vue'\r\n\r\ntype Children = VNodeTypes[] | VNodeTypes\r\n\r\nconst TEMPLATE = 'template'\r\n\r\nconst SCOPE = 'VNode'\r\n\r\nexport enum PatchFlags {\r\n TEXT = 1,\r\n CLASS = 2,\r\n STYLE = 4,\r\n PROPS = 8,\r\n FULL_PROPS = 16,\r\n HYDRATE_EVENTS = 32,\r\n STABLE_FRAGMENT = 64,\r\n KEYED_FRAGMENT = 128,\r\n UNKEYED_FRAGMENT = 256,\r\n NEED_PATCH = 512,\r\n DYNAMIC_SLOTS = 1024,\r\n HOISTED = -1,\r\n BAIL = -2,\r\n}\r\n\r\nexport type VNodeChildAtom = Exclude>\r\nexport type RawSlots = Exclude<\r\n VNodeNormalizedChildren,\r\n Array | null | string\r\n>\r\n\r\nexport const isFragment = (node: unknown): node is VNode =>\r\n isVNode(node) && node.type === Fragment\r\n\r\nexport const isText = (node: VNodeChild) => (node as VNode).type === Text\r\n\r\nexport const isComment = (node: VNodeChild) => (node as VNode).type === Comment\r\n\r\nexport const isTemplate = (node: VNodeChild) =>\r\n (node as VNode).type === TEMPLATE\r\n\r\n/**\r\n * get a valid child node (not fragment nor comment)\r\n * @param node {VNode} node to be searched\r\n * @param depth {number} depth to be searched\r\n */\r\nfunction getChildren(node: VNode, depth: number): undefined | VNode {\r\n if (isComment(node)) return\r\n if (isFragment(node) || isTemplate(node)) {\r\n return depth > 0\r\n ? getFirstValidNode(node.children as VNodeChild, depth - 1)\r\n : undefined\r\n }\r\n return node\r\n}\r\n\r\n/**\r\n * determine if the element is a valid element type rather than fragments and comment e.g.