esbuild-coffeescript/dist/index.js

Bundle CoffeeScript with Esbuild

'use strict';
var __createBinding =
  (this && this.__createBinding) ||
  (Object.create
    ? function (o, m, k, k2) {
        if (k2 === undefined) k2 = k;
        var desc = Object.getOwnPropertyDescriptor(m, k);
        if (
          !desc ||
          ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)
        ) {
          desc = {
            enumerable: true,
            get: function () {
              return m[k];
            },
          };
        }
        Object.defineProperty(o, k2, desc);
      }
    : function (o, m, k, k2) {
        if (k2 === undefined) k2 = k;
        o[k2] = m[k];
      });
var __setModuleDefault =
  (this && this.__setModuleDefault) ||
  (Object.create
    ? function (o, v) {
        Object.defineProperty(o, 'default', { enumerable: true, value: v });
      }
    : function (o, v) {
        o['default'] = v;
      });
var __importStar =
  (this && this.__importStar) ||
  (function () {
    var ownKeys = function (o) {
      ownKeys =
        Object.getOwnPropertyNames ||
        function (o) {
          var ar = [];
          for (var k in o)
            if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
          return ar;
        };
      return ownKeys(o);
    };
    return function (mod) {
      if (mod && mod.__esModule) return mod;
      var result = {};
      if (mod != null)
        for (var k = ownKeys(mod), i = 0; i < k.length; i++)
          if (k[i] !== 'default') __createBinding(result, mod, k[i]);
      __setModuleDefault(result, mod);
      return result;
    };
  })();
Object.defineProperty(exports, '__esModule', { value: true });
const promises_1 = require('fs/promises');
const path = __importStar(require('path'));
const coffeescript = __importStar(require('coffeescript'));
const omit = (obj, keys) =>
  Object.keys(obj)
    .filter((key) => !keys.includes(key))
    .reduce((res, key) => Object.assign(res, { [key]: obj[key] }), {});
const convertMessage = (e) => {
  const location = {
    file: e.filename,
    line: e.location.first_line,
    column: e.location.first_column,
    length: e.location.last_column - e.location.first_column,
    lineText: e.code,
  };
  return { text: e.message, location };
};
const coffeeScriptPlugin = (options = {}) => ({
  name: 'coffeescript',
  setup(build) {
    build.onLoad({ filter: /\.(coffee|litcoffee)$/ }, async (args) => {
      const source = await (0, promises_1.readFile)(args.path, 'utf8');
      const filename = path.relative(process.cwd(), args.path);
      const opt = omit(options, ['inlineMap']);
      try {
        const contents = coffeescript.compile(source, {
          filename,
          ...opt,
          sourceMap: options.inlineMap,
        });
        return { contents };
      } catch (e) {
        return {
          errors: [convertMessage(e)],
        };
      }
    });
  },
});
exports.default = coffeeScriptPlugin;