build-external-helpers.js 4.3 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = _default;
  6. function helpers() {
  7. const data = require("@babel/helpers");
  8. helpers = function () {
  9. return data;
  10. };
  11. return data;
  12. }
  13. function _generator() {
  14. const data = require("@babel/generator");
  15. _generator = function () {
  16. return data;
  17. };
  18. return data;
  19. }
  20. function _template() {
  21. const data = require("@babel/template");
  22. _template = function () {
  23. return data;
  24. };
  25. return data;
  26. }
  27. function _t() {
  28. const data = require("@babel/types");
  29. _t = function () {
  30. return data;
  31. };
  32. return data;
  33. }
  34. var _file = require("../transformation/file/file");
  35. const {
  36. arrayExpression,
  37. assignmentExpression,
  38. binaryExpression,
  39. blockStatement,
  40. callExpression,
  41. cloneNode,
  42. conditionalExpression,
  43. exportNamedDeclaration,
  44. exportSpecifier,
  45. expressionStatement,
  46. functionExpression,
  47. identifier,
  48. memberExpression,
  49. objectExpression,
  50. program,
  51. stringLiteral,
  52. unaryExpression,
  53. variableDeclaration,
  54. variableDeclarator
  55. } = _t();
  56. const buildUmdWrapper = replacements => _template().default.statement`
  57. (function (root, factory) {
  58. if (typeof define === "function" && define.amd) {
  59. define(AMD_ARGUMENTS, factory);
  60. } else if (typeof exports === "object") {
  61. factory(COMMON_ARGUMENTS);
  62. } else {
  63. factory(BROWSER_ARGUMENTS);
  64. }
  65. })(UMD_ROOT, function (FACTORY_PARAMETERS) {
  66. FACTORY_BODY
  67. });
  68. `(replacements);
  69. function buildGlobal(allowlist) {
  70. const namespace = identifier("babelHelpers");
  71. const body = [];
  72. const container = functionExpression(null, [identifier("global")], blockStatement(body));
  73. const tree = program([expressionStatement(callExpression(container, [
  74. conditionalExpression(binaryExpression("===", unaryExpression("typeof", identifier("global")), stringLiteral("undefined")), identifier("self"), identifier("global"))]))]);
  75. body.push(variableDeclaration("var", [variableDeclarator(namespace, assignmentExpression("=", memberExpression(identifier("global"), namespace), objectExpression([])))]));
  76. buildHelpers(body, namespace, allowlist);
  77. return tree;
  78. }
  79. function buildModule(allowlist) {
  80. const body = [];
  81. const refs = buildHelpers(body, null, allowlist);
  82. body.unshift(exportNamedDeclaration(null, Object.keys(refs).map(name => {
  83. return exportSpecifier(cloneNode(refs[name]), identifier(name));
  84. })));
  85. return program(body, [], "module");
  86. }
  87. function buildUmd(allowlist) {
  88. const namespace = identifier("babelHelpers");
  89. const body = [];
  90. body.push(variableDeclaration("var", [variableDeclarator(namespace, identifier("global"))]));
  91. buildHelpers(body, namespace, allowlist);
  92. return program([buildUmdWrapper({
  93. FACTORY_PARAMETERS: identifier("global"),
  94. BROWSER_ARGUMENTS: assignmentExpression("=", memberExpression(identifier("root"), namespace), objectExpression([])),
  95. COMMON_ARGUMENTS: identifier("exports"),
  96. AMD_ARGUMENTS: arrayExpression([stringLiteral("exports")]),
  97. FACTORY_BODY: body,
  98. UMD_ROOT: identifier("this")
  99. })]);
  100. }
  101. function buildVar(allowlist) {
  102. const namespace = identifier("babelHelpers");
  103. const body = [];
  104. body.push(variableDeclaration("var", [variableDeclarator(namespace, objectExpression([]))]));
  105. const tree = program(body);
  106. buildHelpers(body, namespace, allowlist);
  107. body.push(expressionStatement(namespace));
  108. return tree;
  109. }
  110. function buildHelpers(body, namespace, allowlist) {
  111. const getHelperReference = name => {
  112. return namespace ? memberExpression(namespace, identifier(name)) : identifier(`_${name}`);
  113. };
  114. const refs = {};
  115. helpers().list.forEach(function (name) {
  116. if (allowlist && allowlist.indexOf(name) < 0) return;
  117. const ref = refs[name] = getHelperReference(name);
  118. helpers().ensure(name, _file.default);
  119. const {
  120. nodes
  121. } = helpers().get(name, getHelperReference, ref);
  122. body.push(...nodes);
  123. });
  124. return refs;
  125. }
  126. function _default(allowlist, outputType = "global") {
  127. let tree;
  128. const build = {
  129. global: buildGlobal,
  130. module: buildModule,
  131. umd: buildUmd,
  132. var: buildVar
  133. }[outputType];
  134. if (build) {
  135. tree = build(allowlist);
  136. } else {
  137. throw new Error(`Unsupported output type ${outputType}`);
  138. }
  139. return (0, _generator().default)(tree).code;
  140. }
  141. 0 && 0;
  142. //# sourceMappingURL=build-external-helpers.js.map