All files / runtime-test/src nodeOps.ts

87.69% Statements 57/65
81.25% Branches 13/16
93.33% Functions 14/15
87.69% Lines 57/65

Press n or j to go to the next uncovered block, b, p or k for the previous block.

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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 24833x                                                                                                               33x 33x   33x 4657x     33x 13x     33x 7x 7x 7x       1191x                 1191x             1191x 1191x       358x           358x             358x 358x       315x           315x             315x 315x       33x         33x         1576x 333x 333x           1576x             1576x   1576x 1576x 1243x 1243x   333x 333x         1956x 1956x 650x 380x           650x 650x 650x           650x         515x         515x 89x   515x 39x   476x                       493x       791x 791x     791x 791x               47x     33x                          
import { markRaw } from '@vue/reactivity'
 
export const enum NodeTypes {
  TEXT = 'text',
  ELEMENT = 'element',
  COMMENT = 'comment'
}
 
export const enum NodeOpTypes {
  CREATE = 'create',
  INSERT = 'insert',
  REMOVE = 'remove',
  SET_TEXT = 'setText',
  SET_ELEMENT_TEXT = 'setElementText',
  PATCH = 'patch'
}
 
export interface TestElement {
  id: number
  type: NodeTypes.ELEMENT
  parentNode: TestElement | null
  tag: string
  children: TestNode[]
  props: Record<string, any>
  eventListeners: Record<string, Function | Function[]> | null
}
 
export interface TestText {
  id: number
  type: NodeTypes.TEXT
  parentNode: TestElement | null
  text: string
}
 
export interface TestComment {
  id: number
  type: NodeTypes.COMMENT
  parentNode: TestElement | null
  text: string
}
 
export type TestNode = TestElement | TestText | TestComment
 
export interface NodeOp {
  type: NodeOpTypes
  nodeType?: NodeTypes
  tag?: string
  text?: string
  targetNode?: TestNode
  parentNode?: TestElement
  refNode?: TestNode | null
  propKey?: string
  propPrevValue?: any
  propNextValue?: any
}
 
let nodeId: number = 0
let recordedNodeOps: NodeOp[] = []
 
export function logNodeOp(op: NodeOp) {
  recordedNodeOps.push(op)
}
 
export function resetOps() {
  recordedNodeOps = []
}
 
export function dumpOps(): NodeOp[] {
  const ops = recordedNodeOps.slice()
  resetOps()
  return ops
}
 
function createElement(tag: string): TestElement {
  const node: TestElement = {
    id: nodeId++,
    type: NodeTypes.ELEMENT,
    tag,
    children: [],
    props: {},
    parentNode: null,
    eventListeners: null
  }
  logNodeOp({
    type: NodeOpTypes.CREATE,
    nodeType: NodeTypes.ELEMENT,
    targetNode: node,
    tag
  })
  // avoid test nodes from being observed
  markRaw(node)
  return node
}
 
function createText(text: string): TestText {
  const node: TestText = {
    id: nodeId++,
    type: NodeTypes.TEXT,
    text,
    parentNode: null
  }
  logNodeOp({
    type: NodeOpTypes.CREATE,
    nodeType: NodeTypes.TEXT,
    targetNode: node,
    text
  })
  // avoid test nodes from being observed
  markRaw(node)
  return node
}
 
function createComment(text: string): TestComment {
  const node: TestComment = {
    id: nodeId++,
    type: NodeTypes.COMMENT,
    text,
    parentNode: null
  }
  logNodeOp({
    type: NodeOpTypes.CREATE,
    nodeType: NodeTypes.COMMENT,
    targetNode: node,
    text
  })
  // avoid test nodes from being observed
  markRaw(node)
  return node
}
 
function setText(node: TestText, text: string) {
  logNodeOp({
    type: NodeOpTypes.SET_TEXT,
    targetNode: node,
    text
  })
  node.text = text
}
 
function insert(child: TestNode, parent: TestElement, ref?: TestNode | null) {
  let refIndex
  if (ref) {
    refIndex = parent.children.indexOf(ref)
    Iif (refIndex === -1) {
      console.error('ref: ', ref)
      console.error('parent: ', parent)
      throw new Error('ref is not a child of parent')
    }
  }
  logNodeOp({
    type: NodeOpTypes.INSERT,
    targetNode: child,
    parentNode: parent,
    refNode: ref
  })
  // remove the node first, but don't log it as a REMOVE op
  remove(child, false)
  // re-calculate the ref index because the child's removal may have affected it
  refIndex = ref ? parent.children.indexOf(ref) : -1
  if (refIndex === -1) {
    parent.children.push(child)
    child.parentNode = parent
  } else {
    parent.children.splice(refIndex, 0, child)
    child.parentNode = parent
  }
}
 
function remove(child: TestNode, logOp = true) {
  const parent = child.parentNode
  if (parent) {
    if (logOp) {
      logNodeOp({
        type: NodeOpTypes.REMOVE,
        targetNode: child,
        parentNode: parent
      })
    }
    const i = parent.children.indexOf(child)
    if (i > -1) {
      parent.children.splice(i, 1)
    } else E{
      console.error('target: ', child)
      console.error('parent: ', parent)
      throw Error('target is not a childNode of parent')
    }
    child.parentNode = null
  }
}
 
function setElementText(el: TestElement, text: string) {
  logNodeOp({
    type: NodeOpTypes.SET_ELEMENT_TEXT,
    targetNode: el,
    text
  })
  el.children.forEach(c => {
    c.parentNode = null
  })
  if (!text) {
    el.children = []
  } else {
    el.children = [
      {
        id: nodeId++,
        type: NodeTypes.TEXT,
        text,
        parentNode: el
      }
    ]
  }
}
 
function parentNode(node: TestNode): TestElement | null {
  return node.parentNode
}
 
function nextSibling(node: TestNode): TestNode | null {
  const parent = node.parentNode
  Iif (!parent) {
    return null
  }
  const i = parent.children.indexOf(node)
  return parent.children[i + 1] || null
}
 
function querySelector(): never {
  throw new Error('querySelector not supported in test renderer.')
}
 
function setScopeId(el: TestElement, id: string) {
  el.props[id] = ''
}
 
export const nodeOps = {
  insert,
  remove,
  createElement,
  createText,
  createComment,
  setText,
  setElementText,
  parentNode,
  nextSibling,
  querySelector,
  setScopeId
}