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Viewing / Editing File: index.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = parser;

function _parser() {
  const data = require("@babel/parser");

_parser = function () {
    return data;
  };

return data;
}

function _codeFrame() {
  const data = require("@babel/code-frame");

_codeFrame = function () {
    return data;
  };

return data;
}

var _missingPluginHelper = require("./util/missing-plugin-helper");

function* parser(pluginPasses, {
  parserOpts,
  highlightCode = true,
  filename = "unknown"
}, code) {
  try {
    const results = [];

for (const plugins of pluginPasses) {
      for (const plugin of plugins) {
        const {
          parserOverride
        } = plugin;

if (parserOverride) {
          const ast = parserOverride(code, parserOpts, _parser().parse);
          if (ast !== undefined) results.push(ast);
        }
      }
    }

if (results.length === 0) {
      return (0, _parser().parse)(code, parserOpts);
    } else if (results.length === 1) {
      yield* [];

if (typeof results[0].then === "function") {
        throw new Error(`You appear to be using an async parser plugin, ` + `which your current version of Babel does not support. ` + `If you're using a published plugin, you may need to upgrade ` + `your @babel/core version.`);
      }

return results[0];
    }

throw new Error("More than one plugin attempted to override parsing.");
  } catch (err) {
    if (err.code === "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED") {
      err.message += "\nConsider renaming the file to '.mjs', or setting sourceType:module " + "or sourceType:unambiguous in your Babel config for this file.";
    }

const {
      loc,
      missingPlugin
    } = err;

if (loc) {
      const codeFrame = (0, _codeFrame().codeFrameColumns)(code, {
        start: {
          line: loc.line,
          column: loc.column + 1
        }
      }, {
        highlightCode
      });

if (missingPlugin) {
        err.message = `${filename}: ` + (0, _missingPluginHelper.default)(missingPlugin[0], loc, codeFrame);
      } else {
        err.message = `${filename}: ${err.message}\n\n` + codeFrame;
      }

err.code = "BABEL_PARSE_ERROR";
    }

throw err;
  }
}

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