46 lines
995 B
JavaScript
46 lines
995 B
JavaScript
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import RollTerm from "./term.mjs";
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/**
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* A type of RollTerm used to represent strings which have not yet been matched.
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* @extends {RollTerm}
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*/
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export default class StringTerm extends RollTerm {
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constructor({term, options}={}) {
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super({options});
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this.term = term;
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}
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/**
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* The term's string value.
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* @type {string}
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*/
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term;
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/** @inheritdoc */
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static SERIALIZE_ATTRIBUTES = ["term"];
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/** @inheritdoc */
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get expression() {
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return this.term;
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}
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/** @inheritdoc */
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get total() {
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return this.term;
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}
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/** @inheritdoc */
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get isDeterministic() {
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const classified = Roll.defaultImplementation._classifyStringTerm(this.term, {intermediate: false});
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if ( classified instanceof StringTerm ) return true;
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return classified.isDeterministic;
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}
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/** @inheritdoc */
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evaluate({ allowStrings=false }={}) {
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if ( !allowStrings ) throw new Error(`Unresolved StringTerm ${this.term} requested for evaluation`);
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return this;
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}
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}
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