function isBemDecl(node) {
    if (node.type !== 'CallExpression') {
        return false;
    }

    if (node.callee.type !== 'MemberExpression') {
        return false;
    }

    if (node.callee.property.type !== 'Identifier' || node.callee.property.name !== 'decl') {
        return false;
    }

    var obj = node.callee.object;
    if (obj.type === "Identifier") {
        return obj.name === "BEM";
    }

    if (obj.type === "MemberExpression") {
        if (obj.object.type !== "Identifier") {
            return false;
        }

        if (obj.object.name !== "BEM") {
            return false;
        }

        if (obj.property.type !== "Identifier") {
            return false;
        }

        return obj.property.name === "DOM";
    }
    return false;
}
function isBemDecl(node) {
    if (node.type !== 'CallExpression') {
        return false;
    }

    if (node.callee.type !== 'MemberExpression') {
        return false;
    }

    if (node.callee.property.type !== 'Identifier' || node.callee.property.name !== 'decl') {
        return false;
    }

    var obj = node.callee.object;
    if (obj.type === "Identifier") {
        return obj.name === "BEM";
    }

    if (obj.type === "MemberExpression") {
        if (obj.object.type !== "Identifier") {
            return false;
        }

        if (obj.object.name !== "BEM") {
            return false;
        }

        if (obj.property.type !== "Identifier") {
            return false;
        }

        return obj.property.name === "DOM";
    }
    return false;
}
function isBemDecl ( node ) { if ( node . type !== 'CallExpression' ) { return false ; } if ( node . callee . type !== 'MemberExpression' ) { return false ; } if ( node . callee . property . type !== 'Identifier' || node . callee . property . name !== 'decl' ) { return false ; } var obj = node . callee . object ; if ( obj . type === "Identifier" ) { return obj . name === "BEM" ; } if ( obj . type === "MemberExpression" ) { if ( obj . object . type !== "Identifier" ) { return false ; } if ( obj . object . name !== "BEM" ) { return false ; } if ( obj . property . type !== "Identifier" ) { return false ; } return obj . property . name === "DOM" ; } return false ; }
Checks if AST node is `BEM.decl` or `BEM.DOM.decl` call.

@param {Object} node Mozilla Parser API AST node
Checks if AST node is BEM . decl or BEM . DOM . decl call .