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cloneAstNode() — tailwindcss Function Reference

Architecture documentation for the cloneAstNode() function in ast.ts from the tailwindcss codebase.

Function typescript PostCSSPlugin AstTransformation called by 3

Entity Profile

Dependency Diagram

graph TD
  5869f1b5_a990_0c82_42cb_68e660c3f400["cloneAstNode()"]
  556f6ab2_af7d_ed90_84f0_6b49e632571a["substituteAtApply()"]
  556f6ab2_af7d_ed90_84f0_6b49e632571a -->|calls| 5869f1b5_a990_0c82_42cb_68e660c3f400
  69cc8435_e606_a151_8be0_cd5f1378ad52["createUtilityPropertiesCache()"]
  69cc8435_e606_a151_8be0_cd5f1378ad52 -->|calls| 5869f1b5_a990_0c82_42cb_68e660c3f400
  5af2f27c_4323_fb62_14cc_5b4f717b4d2f["createCssUtility()"]
  5af2f27c_4323_fb62_14cc_5b4f717b4d2f -->|calls| 5869f1b5_a990_0c82_42cb_68e660c3f400
  style 5869f1b5_a990_0c82_42cb_68e660c3f400 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/tailwindcss/src/ast.ts lines 126–186

export function cloneAstNode<T extends AstNode>(node: T): T {
  switch (node.kind) {
    case 'rule':
      return {
        kind: node.kind,
        selector: node.selector,
        nodes: node.nodes.map(cloneAstNode),
        src: node.src,
        dst: node.dst,
      } satisfies StyleRule as T

    case 'at-rule':
      return {
        kind: node.kind,
        name: node.name,
        params: node.params,
        nodes: node.nodes.map(cloneAstNode),
        src: node.src,
        dst: node.dst,
      } satisfies AtRule as T

    case 'at-root':
      return {
        kind: node.kind,
        nodes: node.nodes.map(cloneAstNode),
        src: node.src,
        dst: node.dst,
      } satisfies AtRoot as T

    case 'context':
      return {
        kind: node.kind,
        context: { ...node.context },
        nodes: node.nodes.map(cloneAstNode),
        src: node.src,
        dst: node.dst,
      } satisfies Context as T

    case 'declaration':
      return {
        kind: node.kind,
        property: node.property,
        value: node.value,
        important: node.important,
        src: node.src,
        dst: node.dst,
      } satisfies Declaration as T

    case 'comment':
      return {
        kind: node.kind,
        value: node.value,
        src: node.src,
        dst: node.dst,
      } satisfies Comment as T

    default:
      node satisfies never
      throw new Error(`Unknown node kind: ${(node as any).kind}`)
  }
}

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Frequently Asked Questions

What does cloneAstNode() do?
cloneAstNode() is a function in the tailwindcss codebase.
What calls cloneAstNode()?
cloneAstNode() is called by 3 function(s): createCssUtility, createUtilityPropertiesCache, substituteAtApply.

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