build-external-helpers.js 3.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101
  1. "use strict";
  2. exports.__esModule = true;
  3. exports.default = function (whitelist) {
  4. var outputType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "global";
  5. var namespace = t.identifier("babelHelpers");
  6. var builder = function builder(body) {
  7. return buildHelpers(body, namespace, whitelist);
  8. };
  9. var tree = void 0;
  10. var build = {
  11. global: buildGlobal,
  12. umd: buildUmd,
  13. var: buildVar
  14. }[outputType];
  15. if (build) {
  16. tree = build(namespace, builder);
  17. } else {
  18. throw new Error(messages.get("unsupportedOutputType", outputType));
  19. }
  20. return (0, _babelGenerator2.default)(tree).code;
  21. };
  22. var _babelHelpers = require("babel-helpers");
  23. var helpers = _interopRequireWildcard(_babelHelpers);
  24. var _babelGenerator = require("babel-generator");
  25. var _babelGenerator2 = _interopRequireDefault(_babelGenerator);
  26. var _babelMessages = require("babel-messages");
  27. var messages = _interopRequireWildcard(_babelMessages);
  28. var _babelTemplate = require("babel-template");
  29. var _babelTemplate2 = _interopRequireDefault(_babelTemplate);
  30. var _babelTypes = require("babel-types");
  31. var t = _interopRequireWildcard(_babelTypes);
  32. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  33. function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
  34. var buildUmdWrapper = (0, _babelTemplate2.default)("\n (function (root, factory) {\n if (typeof define === \"function\" && define.amd) {\n define(AMD_ARGUMENTS, factory);\n } else if (typeof exports === \"object\") {\n factory(COMMON_ARGUMENTS);\n } else {\n factory(BROWSER_ARGUMENTS);\n }\n })(UMD_ROOT, function (FACTORY_PARAMETERS) {\n FACTORY_BODY\n });\n");
  35. function buildGlobal(namespace, builder) {
  36. var body = [];
  37. var container = t.functionExpression(null, [t.identifier("global")], t.blockStatement(body));
  38. var tree = t.program([t.expressionStatement(t.callExpression(container, [helpers.get("selfGlobal")]))]);
  39. body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.assignmentExpression("=", t.memberExpression(t.identifier("global"), namespace), t.objectExpression([])))]));
  40. builder(body);
  41. return tree;
  42. }
  43. function buildUmd(namespace, builder) {
  44. var body = [];
  45. body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.identifier("global"))]));
  46. builder(body);
  47. return t.program([buildUmdWrapper({
  48. FACTORY_PARAMETERS: t.identifier("global"),
  49. BROWSER_ARGUMENTS: t.assignmentExpression("=", t.memberExpression(t.identifier("root"), namespace), t.objectExpression([])),
  50. COMMON_ARGUMENTS: t.identifier("exports"),
  51. AMD_ARGUMENTS: t.arrayExpression([t.stringLiteral("exports")]),
  52. FACTORY_BODY: body,
  53. UMD_ROOT: t.identifier("this")
  54. })]);
  55. }
  56. function buildVar(namespace, builder) {
  57. var body = [];
  58. body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.objectExpression([]))]));
  59. builder(body);
  60. body.push(t.expressionStatement(namespace));
  61. return t.program(body);
  62. }
  63. function buildHelpers(body, namespace, whitelist) {
  64. helpers.list.forEach(function (name) {
  65. if (whitelist && whitelist.indexOf(name) < 0) return;
  66. var key = t.identifier(name);
  67. body.push(t.expressionStatement(t.assignmentExpression("=", t.memberExpression(namespace, key), helpers.get(name))));
  68. });
  69. }
  70. module.exports = exports["default"];