@babel/parser/lib/parser/index.js

A JavaScript parser

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _options = require("../options");
var _statement = require("./statement");
var _scope = require("../util/scope");
class Parser extends _statement.default {
  constructor(options, input) {
    options = (0, _options.getOptions)(options);
    super(options, input);
    this.options = options;
    this.initializeScopes();
    this.plugins = pluginsMap(this.options.plugins);
    this.filename = options.sourceFilename;
  }
  getScopeHandler() {
    return _scope.default;
  }
  parse() {
    this.enterInitialScopes();
    const file = this.startNode();
    const program = this.startNode();
    this.nextToken();
    file.errors = null;
    this.parseTopLevel(file, program);
    file.errors = this.state.errors;
    return file;
  }
}
exports.default = Parser;
function pluginsMap(plugins) {
  const pluginMap = new Map();
  for (const plugin of plugins) {
    const [name, options] = Array.isArray(plugin) ? plugin : [plugin, {}];
    if (!pluginMap.has(name)) pluginMap.set(name, options || {});
  }
  return pluginMap;
}

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