warnOnce() — vue Function Reference

Architecture documentation for the warnOnce() function in warn.ts from the vue codebase.

Function typescript SfcCompiler ScriptCompiler calls 1 called by 1

Entity Profile

SfcCompiler→ ScriptCompiler→ warnOnce() — vue Function Reference

Dependency Diagram

graph TD
  e49b037f_d27b_861a_74e2_10d6a15d0ca4["warnOnce()"]
  4737f55f_f5f5_3f4a_4740_cc6b9e6f750a["warn.ts"]
  e49b037f_d27b_861a_74e2_10d6a15d0ca4 -->|defined in| 4737f55f_f5f5_3f4a_4740_cc6b9e6f750a
  4dff3da5_c3f4_4303_7989_1d16ed3f091d["compileScript()"]
  4dff3da5_c3f4_4303_7989_1d16ed3f091d -->|calls| e49b037f_d27b_861a_74e2_10d6a15d0ca4
  26fb4426_4cdb_bc95_e35e_df2799ebb54e["warn()"]
  e49b037f_d27b_861a_74e2_10d6a15d0ca4 -->|calls| 26fb4426_4cdb_bc95_e35e_df2799ebb54e
  style e49b037f_d27b_861a_74e2_10d6a15d0ca4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/compiler-sfc/src/warn.ts lines 3–10

export function warnOnce(msg: string) {
  const isNodeProd =
    typeof process !== 'undefined' && process.env.NODE_ENV === 'production'
  if (!isNodeProd && !hasWarned[msg]) {
    hasWarned[msg] = true
    warn(msg)
  }
}