getMdxFrontmatterVariableValue() — astro Function Reference

Architecture documentation for the getMdxFrontmatterVariableValue() function in rehype-collect-headings.ts from the astro codebase.

Function typescript CoreAstro RenderingEngine called by 1

Entity Profile

CoreAstro→ RenderingEngine→ getMdxFrontmatterVariableValue() — astro Function Reference

Dependency Diagram

graph TD
  6902e837_4b60_5ac8_9f68_532ce6abcccc["getMdxFrontmatterVariableValue()"]
  cabcee29_0c1e_3e48_86ec_bfe2c4e47f2c["rehype-collect-headings.ts"]
  6902e837_4b60_5ac8_9f68_532ce6abcccc -->|defined in| cabcee29_0c1e_3e48_86ec_bfe2c4e47f2c
  634cb6a1_87c1_3f69_eebe_1e03253219c2["rehypeHeadingIds()"]
  634cb6a1_87c1_3f69_eebe_1e03253219c2 -->|calls| 6902e837_4b60_5ac8_9f68_532ce6abcccc
  style 6902e837_4b60_5ac8_9f68_532ce6abcccc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/markdown/remark/src/rehype-collect-headings.ts lines 116–126

function getMdxFrontmatterVariableValue(frontmatter: Record<string, any>, path: string[]) {
	let value = frontmatter;

	for (const key of path) {
		if (!value[key]) return undefined;

		value = value[key];
	}

	return value;
}