Function extractMessageComponent

packages/cli-lib/svelte_extractor.ts:98–135

(
  node: SvelteNode,
  source: string,
  parseScriptFn: ScriptParseFn
)

}

function extractMessageComponent(
  node: SvelteNode,
  source: string,
  parseScriptFn: ScriptParseFn
): void {
  if (typeof node.name !== 'string' || !isValidIdentifier(node.name)) {
    return
  }

  const props: string[] = []
  for (const attr of node.attributes || []) {
    if (
      attr.type !== 'Attribute' ||
      typeof attr.name !== 'string' ||
      !MESSAGE_DESCRIPTOR_PROPS.has(attr.name)
    ) {
      continue
    }

    const expression = getAttributeExpression(attr, source)
    if (expression != null) {
      props.push(`${attr.name}: ${expression}`)
    }
  }

  if (!props.length) {
    return
  }

  try {
    parseScriptFn(`${node.name}({${props.join(', ')}})`)
  } catch (e) {
    console.warn(
      `Failed to parse ${node.name} message component. Ignore this if component has no extractable message`,
      e
    )
  }
}

function walkNode(
  node: SvelteNode,