ts-simple-ast/dist/manipulation/removal/removeCommaSeparatedChild.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ts = require("typescript");
var removeChildren_1 = require("./removeChildren");
function removeCommaSeparatedChild(child, opts) {
    var _a = (opts || {}).removePrecedingSpaces, removePrecedingSpaces = _a === void 0 ? undefined : _a;
    var childrenToRemove = [child];
    var syntaxList = child.getParentSyntaxListOrThrow();
    addNextCommaIfAble();
    addPreviousCommaIfAble();
    removeChildren_1.removeChildren({
        children: childrenToRemove,
        removePrecedingSpaces: removePrecedingSpaces == null ? true : removePrecedingSpaces,
        removeFollowingSpaces: childrenToRemove[0] === syntaxList.getFirstChild()
    });
    function addNextCommaIfAble() {
        var commaToken = child.getNextSiblingIfKind(ts.SyntaxKind.CommaToken);
        if (commaToken != null)
            childrenToRemove.push(commaToken);
    }
    function addPreviousCommaIfAble() {
        if (syntaxList.getLastChild() !== childrenToRemove[childrenToRemove.length - 1])
            return;
        var precedingComma = child.getPreviousSiblingIfKind(ts.SyntaxKind.CommaToken);
        if (precedingComma != null)
            childrenToRemove.unshift(precedingComma);
    }
}
exports.removeCommaSeparatedChild = removeCommaSeparatedChild;