/* @internal */

namespace ts.formatting {

export interface Rule {

// Used for debugging to identify each rule based on the property name it's assigned to.

readonly debugName: string;

readonly context: ReadonlyArray<ContextPredicate>;

readonly action: RuleAction;

readonly flags: RuleFlags;

}

export type ContextPredicate = (context: FormattingContext) => boolean;

export const anyContext: ReadonlyArray<ContextPredicate> = emptyArray;

export const enum RuleAction {

Ignore = 1 << 0,

Space = 1 << 1,

NewLine = 1 << 2,

Delete = 1 << 3,

}

export const enum RuleFlags {

None,

CanDeleteNewLines,

}

export interface TokenRange {

readonly tokens: ReadonlyArray<SyntaxKind>;

readonly isSpecific: boolean;

}

}