import Let from './let';
import Var from './var';
import Literal from './literal';
import Assertion from './assertion';
import Coercion from './coercion';
import At from './at';
import In from './in';
import IndexOf from './index_of';
import Match from './match';
import Case from './case';
import Slice from './slice';
import Step from './step';
import Interpolate from './interpolate';
import Coalesce from './coalesce';
import {
    Equals,
    NotEquals,
    LessThan,
    GreaterThan,
    LessThanOrEqual,
    GreaterThanOrEqual
} from './comparison';
import CollatorExpression from './collator';
import NumberFormat from './number_format';
import FormatExpression from './format';
import ImageExpression from './image';
import Length from './length';
import Within from './within';
import Distance from './distance';

import type {ExpressionRegistry} from '../expression';

export const expressions: ExpressionRegistry = {
    // special forms
    '==': Equals,
    '!=': NotEquals,
    '>': GreaterThan,
    '<': LessThan,
    '>=': GreaterThanOrEqual,
    '<=': LessThanOrEqual,
    'array': Assertion,
    'at': At,
    'boolean': Assertion,
    'case': Case,
    'coalesce': Coalesce,
    'collator': CollatorExpression,
    'format': FormatExpression,
    'image': ImageExpression,
    'in': In,
    'index-of': IndexOf,
    'interpolate': Interpolate,
    'interpolate-hcl': Interpolate,
    'interpolate-lab': Interpolate,
    'length': Length,
    'let': Let,
    'literal': Literal,
    'match': Match,
    'number': Assertion,
    'number-format': NumberFormat,
    'object': Assertion,
    'slice': Slice,
    'step': Step,
    'string': Assertion,
    'to-boolean': Coercion,
    'to-color': Coercion,
    'to-number': Coercion,
    'to-string': Coercion,
    'var': Var,
    'within': Within,
    'distance': Distance
};

export default expressions;