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export type Value = number
| string
| ((...args: Value[]) => Value)
| { [propertyName: string]: Value };
export interface Values {
[propertyName: string]: Value;
}
export interface ParserOptions {
allowMemberAccess?: boolean;
operators?: {
add?: boolean,
comparison?: boolean,
concatenate?: boolean,
conditional?: boolean,
divide?: boolean,
factorial?: boolean,
logical?: boolean,
multiply?: boolean,
power?: boolean,
remainder?: boolean,
subtract?: boolean,
sin?: boolean,
cos?: boolean,
tan?: boolean,
asin?: boolean,
acos?: boolean,
atan?: boolean,
sinh?: boolean,
cosh?: boolean,
tanh?: boolean,
asinh?: boolean,
acosh?: boolean,
atanh?: boolean,
sqrt?: boolean,
log?: boolean,
ln?: boolean,
lg?: boolean,
log10?: boolean,
abs?: boolean,
ceil?: boolean,
floor?: boolean,
round?: boolean,
trunc?: boolean,
exp?: boolean,
length?: boolean,
in?: boolean,
random?: boolean,
min?: boolean,
max?: boolean,
assignment?: boolean,
fndef?: boolean,
cbrt?: boolean,
expm1?: boolean,
log1p?: boolean,
sign?: boolean,
log2?: boolean
};
}
export class Parser {
constructor(options?: ParserOptions);
unaryOps: any;
functions: any;
consts: any;
parse(expression: string): Expression;
evaluate(expression: string, values?: Value): number;
static parse(expression: string): Expression;
static evaluate(expression: string, values?: Value): number;
}
export interface Expression {
simplify(values?: Value): Expression;
evaluate(values?: Value): any;
substitute(variable: string, value: Expression | string | number): Expression;
symbols(options?: { withMembers?: boolean }): string[];
variables(options?: { withMembers?: boolean }): string[];
toJSFunction(params: string, values?: Value): (...args: any[]) => number;
}
|