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

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
var __extends = (this && this.__extends)/* istanbul ignore next */ || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var errors = require("./../../errors");
var callBaseFill_1 = require("./../callBaseFill");
var manipulation_1 = require("./../../manipulation");
var typescript_1 = require("./../../typescript");
function AwaitableNode(Base) {
    return /** @class */ (function (_super) {
        __extends(class_1, _super);
        function class_1() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        class_1.prototype.isAwaited = function () {
            return this.compilerNode.awaitModifier != null;
        };
        class_1.prototype.getAwaitKeyword = function () {
            var awaitModifier = this.compilerNode.awaitModifier;
            return this.getNodeFromCompilerNodeIfExists(awaitModifier);
        };
        class_1.prototype.getAwaitKeywordOrThrow = function () {
            return errors.throwIfNullOrUndefined(this.getAwaitKeyword(), "Expected to find an await token.");
        };
        class_1.prototype.setIsAwaited = function (value) {
            var awaitModifier = this.getAwaitKeyword();
            var isSet = awaitModifier != null;
            if (isSet === value)
                return this;
            if (awaitModifier == null) {
                var info = getAwaitInsertInfo(this);
                manipulation_1.insertIntoParent({
                    insertPos: info.pos,
                    childIndex: info.childIndex,
                    insertItemsCount: 1,
                    parent: this,
                    newText: " await"
                });
            }
            else {
                manipulation_1.removeChildren({
                    children: [awaitModifier],
                    removePrecedingSpaces: true
                });
            }
            return this;
        };
        class_1.prototype.fill = function (structure) {
            callBaseFill_1.callBaseFill(Base.prototype, this, structure);
            if (structure.isAwaited != null)
                this.setIsAwaited(structure.isAwaited);
            return this;
        };
        return class_1;
    }(Base));
}
exports.AwaitableNode = AwaitableNode;
function getAwaitInsertInfo(node) {
    if (node.getKind() === typescript_1.SyntaxKind.ForOfStatement) {
        var forKeyword = node.getFirstChildByKindOrThrow(typescript_1.SyntaxKind.ForKeyword);
        return {
            pos: forKeyword.getEnd(),
            childIndex: forKeyword.getChildIndex() + 1
        };
    }
    throw new errors.NotImplementedError("Expected a for of statement node.");
}