dart:js

function

void addMemberHelper(MethodMirror declaration, String path, StringBuffer sb, { bool isStatic: false, String memberName })

Source

@Deprecated("Internal Use Only")
void addMemberHelper(
    mirrors.MethodMirror declaration, String path, StringBuffer sb,
    {bool isStatic: false, String memberName}) {
  if (!declaration.isConstructor) {
    var jsName = _getJsMemberName(declaration);
    path = (path != null && path.isNotEmpty) ? "${path}.${jsName}" : jsName;
  }
  var name = memberName != null ? memberName : _getDeclarationName(declaration);
  if (declaration.isConstructor) {
    sb.write("factory");
  } else if (isStatic) {
    sb.write("static");
  } else {
    sb.write("@patch");
  }
  sb.write(" ");
  if (declaration.isGetter) {
    sb.write("get $name => ${_accessJsPath(path)};");
  } else if (declaration.isSetter) {
    sb.write("set $name(v) {\n"
        "  ${_JS_LIBRARY_PREFIX}.safeForTypedInterop(v);\n"
        "  return ${_accessJsPathSetter(path)};\n"
        "}\n");
  } else {
    sb.write("$name(");
    bool hasOptional = false;
    int i = 0;
    var args = <String>[];
    for (var p in declaration.parameters) {
      assert(!p.isNamed); // TODO(jacobr): throw.
      assert(!p.hasDefaultValue);
      if (i > 0) {
        sb.write(", ");
      }
      if (p.isOptional && !hasOptional) {
        sb.write("[");
        hasOptional = true;
      }
      var arg = "p$i";
      args.add(arg);
      sb.write(arg);
      if (p.isOptional) {
        sb.write("=${_UNDEFINED_VAR}");
      }
      i++;
    }
    if (hasOptional) {
      sb.write("]");
    }
    // TODO(jacobr):
    sb.write(") {\n");
    for (var arg in args) {
      sb.write("  ${_JS_LIBRARY_PREFIX}.safeForTypedInterop($arg);\n");
    }
    sb.write("  return ");
    if (declaration.isConstructor) {
      sb.write("${_JS_LIBRARY_PREFIX}.JsNative.callConstructor(");
      sb..write(_accessJsPath(path))..write(",");
    } else {
      sb.write(_accessJsPathCallMethodHelper(path));
    }
    sb.write("[${args.join(",")}]");

    if (hasOptional) {
      sb.write(".takeWhile((i) => i != ${_UNDEFINED_VAR}).toList()");
    }
    sb.write(");");
    sb.write("}\n");
  }
  sb.write("\n");
}