Function isSingularMessageDecl

packages/ts-transformer/transform.ts:223–251

(
  ts: TypeScript,
  node:
    | typescript.CallExpression
    | typescript.JsxOpeningElement
    | typescript.JsxSelfClosingElement,
  additionalComponentNames: string[]
)

}

function isSingularMessageDecl(
  ts: TypeScript,
  node:
    | typescript.CallExpression
    | typescript.JsxOpeningElement
    | typescript.JsxSelfClosingElement,
  additionalComponentNames: string[]
) {
  const compNames = new Set([
    'FormattedMessage',
    'defineMessage',
    'formatMessage',
    '$formatMessage',
    '$t',
    ...additionalComponentNames,
  ])
  let fnName = ''
  if (ts.isCallExpression(node) && ts.isIdentifier(node.expression)) {
    fnName = node.expression.text
  } else if (ts.isJsxOpeningElement(node) && ts.isIdentifier(node.tagName)) {
    fnName = node.tagName.text
  } else if (
    ts.isJsxSelfClosingElement(node) &&
    ts.isIdentifier(node.tagName)
  ) {
    fnName = node.tagName.text
  }
  return compNames.has(fnName)
}

function evaluateStringConcat(
  ts: TypeScript,