ts-simple-ast/dist/compiler/base/QuestionTokenableNode.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ts = require("typescript");
const errors = require("./../../errors");
const manipulation_1 = require("./../../manipulation");
const callBaseFill_1 = require("./../callBaseFill");
function QuestionTokenableNode(Base) {
    return class extends Base {
        hasQuestionToken() {
            return this.compilerNode.questionToken != null;
        }
        getQuestionTokenNode() {
            if (this.compilerNode.questionToken == null)
                return undefined;
            return this.global.compilerFactory.getNodeFromCompilerNode(this.compilerNode.questionToken, this.sourceFile);
        }
        getQuestionTokenNodeOrThrow() {
            return errors.throwIfNullOrUndefined(this.getQuestionTokenNode(), "Expected to find a question token.");
        }
        setIsOptional(value) {
            const questionTokenNode = this.getQuestionTokenNode();
            const hasQuestionToken = questionTokenNode != null;
            if (value === hasQuestionToken)
                return this;
            if (value) {
                const colonNode = this.getFirstChildByKindOrThrow(ts.SyntaxKind.ColonToken);
                manipulation_1.insertIntoParent({
                    insertPos: colonNode.getStart(),
                    childIndex: colonNode.getChildIndex(),
                    insertItemsCount: 1,
                    parent: this,
                    newText: "?"
                });
            }
            else {
                manipulation_1.removeChildren({ children: [questionTokenNode] });
            }
            return this;
        }
        fill(structure) {
            callBaseFill_1.callBaseFill(Base.prototype, this, structure);
            if (structure.hasQuestionToken != null)
                this.setIsOptional(structure.hasQuestionToken);
            return this;
        }
    };
}
exports.QuestionTokenableNode = QuestionTokenableNode;

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