isImportUsed() — vue Function Reference

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

Function typescript CompilerSFC ScriptCompiler calls 1 called by 2

Entity Profile

CompilerSFC→ ScriptCompiler→ isImportUsed() — vue Function Reference

Dependency Diagram

graph TD
  ed5fe71b_2eb2_ab85_8bbb_eb87a7fa5e82["isImportUsed()"]
  16b5f9ed_1e09_eff8_5797_7cb90fc86d37["compileScript()"]
  16b5f9ed_1e09_eff8_5797_7cb90fc86d37 -->|calls| ed5fe71b_2eb2_ab85_8bbb_eb87a7fa5e82
  de7c238b_5de0_b239_8e00_2ac0473f2a86["hmrShouldReload()"]
  de7c238b_5de0_b239_8e00_2ac0473f2a86 -->|calls| ed5fe71b_2eb2_ab85_8bbb_eb87a7fa5e82
  fac2f34b_3866_3537_2607_6622b0e848eb["resolveTemplateUsageCheckString()"]
  ed5fe71b_2eb2_ab85_8bbb_eb87a7fa5e82 -->|calls| fac2f34b_3866_3537_2607_6622b0e848eb
  style ed5fe71b_2eb2_ab85_8bbb_eb87a7fa5e82 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))
}