isImportUsed() — vue Function Reference

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

Function typescript CompilerSFC ScriptAnalyzer calls 1 called by 2

Entity Profile

CompilerSFC→ ScriptAnalyzer→ isImportUsed() — vue Function Reference

Dependency Diagram

graph TD
  5b047687_7011_90aa_7925_63a1d469fe2b["isImportUsed()"]
  b9f12a63_b611_1b00_0717_3ff21d7ce156["compileScript.ts"]
  5b047687_7011_90aa_7925_63a1d469fe2b -->|defined in| b9f12a63_b611_1b00_0717_3ff21d7ce156
  6195696d_b4e9_b5d7_3dd5_1966a03d855f["compileScript()"]
  6195696d_b4e9_b5d7_3dd5_1966a03d855f -->|calls| 5b047687_7011_90aa_7925_63a1d469fe2b
  77a507e4_1c27_8178_ab4a_e01ee29e1b0d["hmrShouldReload()"]
  77a507e4_1c27_8178_ab4a_e01ee29e1b0d -->|calls| 5b047687_7011_90aa_7925_63a1d469fe2b
  77885a00_badc_8a1d_b8c5_1d9ab042a484["resolveTemplateUsageCheckString()"]
  5b047687_7011_90aa_7925_63a1d469fe2b -->|calls| 77885a00_badc_8a1d_b8c5_1d9ab042a484
  style 5b047687_7011_90aa_7925_63a1d469fe2b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/compiler-sfc/src/compileScript.ts lines 1879–1889

function isImportUsed(
  local: string,
  sfc: SFCDescriptor,
  isTS: boolean
): boolean {
  return new RegExp(
    // #4274 escape $ since it's a special char in regex
    // (and is the only regex special char that is valid in identifiers)
    `[^\\w$_]${local.replace(/\$/g, '\\$')}[^\\w$_]`
  ).test(resolveTemplateUsageCheckString(sfc, isTS))
}