MF2.0 Data Model

zibi.ts

// Changed NumberLiteral to be a float+precision
// Added Variant::default
// Separated Arguments and Options on a FunctionReference
// Added KeyValuePair used in FunctionReference and maybe in MessageReference
// Added optional MessageReference if we decide to go for it

export type Message = MessageValue;

export type MessageValue = Single | Multi;

export type Single = Pattern;

export interface Multi {
	selector: InlineExpression[];
	variants: Variant[];
}

export type Pattern = PatternElement[];

export type PatternElement = Text | Placeholder;
export type Text = string;
export type Placeholder = InlineExpression;

export interface Variant {
	key: VariantKey[];
	value: Pattern;
	default: bool;
}

export type VariantKey = StringLiteral | NumberLiteral;

export type InlineExpression = StringLiteral | NumberLiteral | FunctionReference | VariableReference | MessageReference;

export type StringLiteral = string;
export interface NumberLiteral = {
        value: Float;
        precision: Number;
}

export interface FunctionReference {
	id: Identifier;
	arguments: InlineExpression[];
	options: KeyValuePair[];
}
export interface KeyValuePair {
  	key: Identifier;
	value: InlineExpression;
}

export type VariableReference = Identifier[];

// If we decide to go for syntax, we could also just have a function MSG_REF()
export interface MessageReference = {
        id: Identifier[];
        arguments: KeyValuePair[];
}

export type Identifier = string; // [a-zA-Z][a-zA-Z0-9_-]