CallExpression()

in packages/docusaurus/src/server/translations/translationsExtractor.ts [334:369]

• 30 lines of code
• 7 McCabe index (conditional complexity)

      CallExpression(path) {
        if (!path.get('callee').isIdentifier({name: translateFunctionName})) {
          return;
        }

        const args = path.get('arguments');
        if (args.length === 1 || args.length === 2) {
          const firstArgPath = args[0]!;

          // translate("x" + "y"); => translate("xy");
          const firstArgEvaluated = firstArgPath.evaluate();

          if (
            firstArgEvaluated.confident &&
            typeof firstArgEvaluated.value === 'object'
          ) {
            const {message, id, description} = firstArgEvaluated.value;
            translations[id ?? message] = {
              message: message ?? id,
              ...(description && {description}),
            };
          } else {
            warnings.push(
              `translate() first arg should be a statically evaluable object.
Example: translate({message: "text",id: "optional.id",description: "optional description"}
Dynamically constructed values are not allowed, because they prevent translations to be extracted.
${sourceWarningPart(path.node)}`,
            );
          }
        } else {
          warnings.push(
            `translate() function only takes 1 or 2 args
${sourceWarningPart(path.node)}`,
          );
        }
      },