build-bundle.js

'use strict';
/**
 * @license
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ var __awaiter =
  (this && this.__awaiter) ||
  function (thisArg, _arguments, P, generator) {
    function adopt(value) {
      return value instanceof P
        ? value
        : new P(function (resolve) {
            resolve(value);
          });
    }
    return new (P || (P = Promise))(function (resolve, reject) {
      function fulfilled(value) {
        try {
          step(generator.next(value));
        } catch (e) {
          reject(e);
        }
      }
      function rejected(value) {
        try {
          step(generator['throw'](value));
        } catch (e) {
          reject(e);
        }
      }
      function step(result) {
        result.done
          ? resolve(result.value)
          : adopt(result.value).then(fulfilled, rejected);
      }
      step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
  };
var __generator =
  (this && this.__generator) ||
  function (thisArg, body) {
    var _ = {
        label: 0,
        sent: function () {
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          return t[1];
        },
        trys: [],
        ops: []
      },
      f,
      y,
      t,
      g;
    return (
      (g = { next: verb(0), throw: verb(1), return: verb(2) }),
      typeof Symbol === 'function' &&
        (g[Symbol.iterator] = function () {
          return this;
        }),
      g
    );
    function verb(n) {
      return function (v) {
        return step([n, v]);
      };
    }
    function step(op) {
      if (f) throw new TypeError('Generator is already executing.');
      while (_)
        try {
          if (
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                op[0] & 2
                  ? y['return']
                  : op[0]
                  ? y['throw'] || ((t = y['return']) && t.call(y), 0)
                  : y.next) &&
              !(t = t.call(y, op[1])).done)
          )
            return t;
          if (((y = 0), t)) op = [op[0] & 2, t.value];
          switch (op[0]) {
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              break;
            case 4:
              _.label++;
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            case 5:
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              y = op[1];
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              continue;
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                _.label = t[2];
                _.ops.push(op);
                break;
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              _.trys.pop();
              continue;
          }
          op = body.call(thisArg, _);
        } catch (e) {
          op = [6, e];
          y = 0;
        } finally {
          f = t = 0;
        }
      if (op[0] & 5) throw op[1];
      return { value: op[0] ? op[1] : void 0, done: true };
    }
  };
exports.__esModule = true;
var yargs = require('yargs');
var rollup_1 = require('rollup');
var typescriptPlugin = require('rollup-plugin-typescript2');
var alias = require('@rollup/plugin-alias');
var json = require('rollup-plugin-json');
var util = require('../rollup.shared');
var argv = yargs.options({
  input: {
    type: 'string',
    demandOption: true,
    desc: 'The location of the index.ts file'
  },
  output: {
    type: 'string',
    demandOption: true,
    desc: 'The location for the transpiled JavaScript bundle'
  }
}).argv;
function buildBundle(input, output) {
  return __awaiter(this, void 0, void 0, function () {
    var bundle;
    return __generator(this, function (_a) {
      switch (_a.label) {
        case 0:
          return [
            4,
            rollup_1.rollup({
              input: input,
              plugins: [
                alias(util.generateAliasConfig('node')),
                typescriptPlugin({
                  tsconfigOverride: { compilerOptions: { target: 'es2017' } },
                  transformers: [util.removeAssertTransformer]
                }),
                json({ preferConst: true })
              ],
              external: util.resolveNodeExterns
            })
          ];
        case 1:
          bundle = _a.sent();
          return [4, bundle.write({ file: output, format: 'es' })];
        case 2:
          _a.sent();
          return [2];
      }
    });
  });
}
buildBundle(argv.input, argv.output);