canNeverBeRef() — vue Function Reference

Architecture documentation for the canNeverBeRef() function in compileScript.ts from the vue codebase.

Function typescript CompilerSFC ScriptCompiler calls 1 called by 1

Entity Profile

CompilerSFC→ ScriptCompiler→ canNeverBeRef() — vue Function Reference

Dependency Diagram

graph TD
  88e9f5e4_bd74_6987_a9a2_2217c1e15c8d["canNeverBeRef()"]
  4816b617_49b6_86ec_ba60_1b6ac824a31a["walkDeclaration()"]
  4816b617_49b6_86ec_ba60_1b6ac824a31a -->|calls| 88e9f5e4_bd74_6987_a9a2_2217c1e15c8d
  65dd2fc2_3f14_bf7a_311d_99f9d039a8a7["isCallOf()"]
  88e9f5e4_bd74_6987_a9a2_2217c1e15c8d -->|calls| 65dd2fc2_3f14_bf7a_311d_99f9d039a8a7
  style 88e9f5e4_bd74_6987_a9a2_2217c1e15c8d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/compiler-sfc/src/compileScript.ts lines 1630–1656

function canNeverBeRef(node: Node, userReactiveImport: string): boolean {
  if (isCallOf(node, userReactiveImport)) {
    return true
  }
  switch (node.type) {
    case 'UnaryExpression':
    case 'BinaryExpression':
    case 'ArrayExpression':
    case 'ObjectExpression':
    case 'FunctionExpression':
    case 'ArrowFunctionExpression':
    case 'UpdateExpression':
    case 'ClassExpression':
    case 'TaggedTemplateExpression':
      return true
    case 'SequenceExpression':
      return canNeverBeRef(
        node.expressions[node.expressions.length - 1],
        userReactiveImport
      )
    default:
      if (node.type.endsWith('Literal')) {
        return true
      }
      return false
  }
}