import type { Evaluator } from './evalutor';
export interface FilterMap {
    [propName: string]: (this: FilterContext, input: any, ...args: any[]) => any;
}
export interface FunctionMap {
    [propName: string]: (this: Evaluator, ast: Object, data: any) => any;
}
export interface FilterContext {
    data: Object;
    filter?: {
        name: string;
        args: Array<any>;
    };
    restFilters: Array<{
        name: string;
        args: Array<any>;
    }>;
}
export interface EvaluatorOptions {
    /**
     * 可以外部传入 ast 节点处理器，定制或者扩充自定义函数
     */
    functions?: FunctionMap;
    /**
     * 可以外部扩充 filter
     */
    filters?: FilterMap;
    defaultFilter?: string;
}
export interface LexerOptions {
    /**
     * 直接是运算表达式？还是从模板开始 ${} 里面才算运算表达式
     */
    evalMode?: boolean;
    /**
     * 只支持取变量。
     */
    variableMode?: boolean;
    /**
     * 是否允许 filter 语法，比如：
     *
     * ${abc | html}
     */
    allowFilter?: boolean;
}
export type TokenTypeName = 'Boolean' | 'Raw' | 'Variable' | 'OpenScript' | 'CloseScript' | 'EOF' | 'Identifier' | 'Literal' | 'Numeric' | 'Punctuator' | 'String' | 'RegularExpression' | 'TemplateRaw' | 'TemplateLeftBrace' | 'TemplateRightBrace' | 'OpenFilter' | 'Char';
export interface Position {
    index: number;
    line: number;
    column: number;
}
export interface Token {
    type: TokenTypeName;
    value: any;
    raw?: string;
    start: Position;
    end: Position;
}
export type NodeType = 'content' | 'raw' | 'conditional';
export interface ParserOptions {
    /**
     * 直接是运算表达式？还是从模板开始 ${} 里面才算运算表达式
     */
    evalMode?: boolean;
    /**
     * 只支持取变量。
     */
    variableMode?: boolean;
    /**
     * 是否允许 filter 语法，比如：
     *
     * ${abc | html}
     */
    allowFilter?: boolean;
    variableNamespaces?: Array<string>;
}
export interface ASTNode {
    type: string;
    start: Position;
    end: Position;
    [propname: string]: any;
}
export type ASTNodeOrNull = ASTNode | null;