.config/coc/extensions/node_modules/coc-prettier/node_modules/tsutils/util/convert-ast.js

   1 "use strict";
   2 Object.defineProperty(exports, "__esModule", { value: true });
   3 const ts = require("typescript");
   4 const util_1 = require("./util");
   5 function convertAst(sourceFile) {
   6     const wrapped = {
   7         node: sourceFile,
   8         parent: undefined,
   9         kind: ts.SyntaxKind.SourceFile,
  10         children: [],
  11         next: undefined,
  12         skip: undefined,
  13     };
  14     const flat = [];
  15     let current = wrapped;
  16     let previous = current;
  17     ts.forEachChild(sourceFile, function wrap(node) {
  18         flat.push(node);
  19         const parent = current;
  20         previous.next = current = {
  21             node,
  22             parent,
  23             kind: node.kind,
  24             children: [],
  25             next: undefined,
  26             skip: undefined,
  27         };
  28         if (previous !== parent)
  29             setSkip(previous, current);
  30         previous = current;
  31         parent.children.push(current);
  32         if (util_1.isNodeKind(node.kind))
  33             ts.forEachChild(node, wrap);
  34         current = parent;
  35     });
  36     return {
  37         wrapped,
  38         flat,
  39     };
  40 }
  41 exports.convertAst = convertAst;
  42 function setSkip(node, skip) {
  43     do {
  44         node.skip = skip;
  45         node = node.parent;
  46     } while (node !== skip.parent);
  47 }