[6a3a178] | 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.default = void 0;
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| 7 |
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| 8 | var _helperPluginUtils = require("@babel/helper-plugin-utils");
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| 9 |
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| 10 | var _helperModuleTransforms = require("@babel/helper-module-transforms");
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| 11 |
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| 12 | var _helperSimpleAccess = require("@babel/helper-simple-access");
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| 13 |
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| 14 | var _core = require("@babel/core");
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| 15 |
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| 16 | var _utils = require("babel-plugin-dynamic-import-node/utils");
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| 17 |
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| 18 | var _default = (0, _helperPluginUtils.declare)((api, options) => {
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| 19 | var _api$assumption, _api$assumption2, _api$assumption3;
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| 20 |
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| 21 | api.assertVersion(7);
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| 22 | const transformImportCall = (0, _utils.createDynamicImportTransform)(api);
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| 23 | const {
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| 24 | strictNamespace = false,
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| 25 | mjsStrictNamespace = true,
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| 26 | allowTopLevelThis,
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| 27 | strict,
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| 28 | strictMode,
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| 29 | noInterop,
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| 30 | importInterop,
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| 31 | lazy = false,
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| 32 | allowCommonJSExports = true
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| 33 | } = options;
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| 34 | const constantReexports = (_api$assumption = api.assumption("constantReexports")) != null ? _api$assumption : options.loose;
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| 35 | const enumerableModuleMeta = (_api$assumption2 = api.assumption("enumerableModuleMeta")) != null ? _api$assumption2 : options.loose;
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| 36 | const noIncompleteNsImportDetection = (_api$assumption3 = api.assumption("noIncompleteNsImportDetection")) != null ? _api$assumption3 : false;
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| 37 |
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| 38 | if (typeof lazy !== "boolean" && typeof lazy !== "function" && (!Array.isArray(lazy) || !lazy.every(item => typeof item === "string"))) {
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| 39 | throw new Error(`.lazy must be a boolean, array of strings, or a function`);
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| 40 | }
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| 41 |
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| 42 | if (typeof strictNamespace !== "boolean") {
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| 43 | throw new Error(`.strictNamespace must be a boolean, or undefined`);
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| 44 | }
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| 45 |
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| 46 | if (typeof mjsStrictNamespace !== "boolean") {
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| 47 | throw new Error(`.mjsStrictNamespace must be a boolean, or undefined`);
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| 48 | }
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| 49 |
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| 50 | const getAssertion = localName => _core.template.expression.ast`
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| 51 | (function(){
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| 52 | throw new Error(
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| 53 | "The CommonJS '" + "${localName}" + "' variable is not available in ES6 modules." +
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| 54 | "Consider setting setting sourceType:script or sourceType:unambiguous in your " +
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| 55 | "Babel config for this file.");
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| 56 | })()
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| 57 | `;
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| 58 |
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| 59 | const moduleExportsVisitor = {
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| 60 | ReferencedIdentifier(path) {
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| 61 | const localName = path.node.name;
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| 62 | if (localName !== "module" && localName !== "exports") return;
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| 63 | const localBinding = path.scope.getBinding(localName);
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| 64 | const rootBinding = this.scope.getBinding(localName);
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| 65 |
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| 66 | if (rootBinding !== localBinding || path.parentPath.isObjectProperty({
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| 67 | value: path.node
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| 68 | }) && path.parentPath.parentPath.isObjectPattern() || path.parentPath.isAssignmentExpression({
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| 69 | left: path.node
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| 70 | }) || path.isAssignmentExpression({
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| 71 | left: path.node
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| 72 | })) {
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| 73 | return;
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| 74 | }
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| 75 |
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| 76 | path.replaceWith(getAssertion(localName));
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| 77 | },
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| 78 |
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| 79 | AssignmentExpression(path) {
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| 80 | const left = path.get("left");
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| 81 |
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| 82 | if (left.isIdentifier()) {
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| 83 | const localName = path.node.name;
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| 84 | if (localName !== "module" && localName !== "exports") return;
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| 85 | const localBinding = path.scope.getBinding(localName);
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| 86 | const rootBinding = this.scope.getBinding(localName);
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| 87 | if (rootBinding !== localBinding) return;
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| 88 | const right = path.get("right");
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| 89 | right.replaceWith(_core.types.sequenceExpression([right.node, getAssertion(localName)]));
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| 90 | } else if (left.isPattern()) {
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| 91 | const ids = left.getOuterBindingIdentifiers();
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| 92 | const localName = Object.keys(ids).filter(localName => {
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| 93 | if (localName !== "module" && localName !== "exports") return false;
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| 94 | return this.scope.getBinding(localName) === path.scope.getBinding(localName);
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| 95 | })[0];
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| 96 |
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| 97 | if (localName) {
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| 98 | const right = path.get("right");
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| 99 | right.replaceWith(_core.types.sequenceExpression([right.node, getAssertion(localName)]));
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| 100 | }
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| 101 | }
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| 102 | }
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| 103 |
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| 104 | };
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| 105 | return {
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| 106 | name: "transform-modules-commonjs",
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| 107 |
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| 108 | pre() {
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| 109 | this.file.set("@babel/plugin-transform-modules-*", "commonjs");
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| 110 | },
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| 111 |
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| 112 | visitor: {
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| 113 | CallExpression(path) {
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| 114 | if (!this.file.has("@babel/plugin-proposal-dynamic-import")) return;
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| 115 | if (!path.get("callee").isImport()) return;
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| 116 | let {
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| 117 | scope
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| 118 | } = path;
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| 119 |
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| 120 | do {
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| 121 | scope.rename("require");
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| 122 | } while (scope = scope.parent);
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| 123 |
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| 124 | transformImportCall(this, path.get("callee"));
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| 125 | },
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| 126 |
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| 127 | Program: {
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| 128 | exit(path, state) {
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| 129 | if (!(0, _helperModuleTransforms.isModule)(path)) return;
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| 130 | path.scope.rename("exports");
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| 131 | path.scope.rename("module");
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| 132 | path.scope.rename("require");
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| 133 | path.scope.rename("__filename");
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| 134 | path.scope.rename("__dirname");
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| 135 |
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| 136 | if (!allowCommonJSExports) {
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| 137 | (0, _helperSimpleAccess.default)(path, new Set(["module", "exports"]));
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| 138 | path.traverse(moduleExportsVisitor, {
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| 139 | scope: path.scope
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| 140 | });
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| 141 | }
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| 142 |
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| 143 | let moduleName = (0, _helperModuleTransforms.getModuleName)(this.file.opts, options);
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| 144 | if (moduleName) moduleName = _core.types.stringLiteral(moduleName);
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| 145 | const {
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| 146 | meta,
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| 147 | headers
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| 148 | } = (0, _helperModuleTransforms.rewriteModuleStatementsAndPrepareHeader)(path, {
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| 149 | exportName: "exports",
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| 150 | constantReexports,
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| 151 | enumerableModuleMeta,
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| 152 | strict,
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| 153 | strictMode,
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| 154 | allowTopLevelThis,
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| 155 | noInterop,
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| 156 | importInterop,
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| 157 | lazy,
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| 158 | esNamespaceOnly: typeof state.filename === "string" && /\.mjs$/.test(state.filename) ? mjsStrictNamespace : strictNamespace,
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| 159 | noIncompleteNsImportDetection
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| 160 | });
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| 161 |
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| 162 | for (const [source, metadata] of meta.source) {
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| 163 | const loadExpr = _core.types.callExpression(_core.types.identifier("require"), [_core.types.stringLiteral(source)]);
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| 164 |
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| 165 | let header;
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| 166 |
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| 167 | if ((0, _helperModuleTransforms.isSideEffectImport)(metadata)) {
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| 168 | if (metadata.lazy) throw new Error("Assertion failure");
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| 169 | header = _core.types.expressionStatement(loadExpr);
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| 170 | } else {
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| 171 | const init = (0, _helperModuleTransforms.wrapInterop)(path, loadExpr, metadata.interop) || loadExpr;
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| 172 |
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| 173 | if (metadata.lazy) {
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| 174 | header = _core.template.ast`
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| 175 | function ${metadata.name}() {
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| 176 | const data = ${init};
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| 177 | ${metadata.name} = function(){ return data; };
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| 178 | return data;
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| 179 | }
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| 180 | `;
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| 181 | } else {
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| 182 | header = _core.template.ast`
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| 183 | var ${metadata.name} = ${init};
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| 184 | `;
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| 185 | }
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| 186 | }
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| 187 |
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| 188 | header.loc = metadata.loc;
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| 189 | headers.push(header);
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| 190 | headers.push(...(0, _helperModuleTransforms.buildNamespaceInitStatements)(meta, metadata, constantReexports));
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| 191 | }
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| 192 |
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| 193 | (0, _helperModuleTransforms.ensureStatementsHoisted)(headers);
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| 194 | path.unshiftContainer("body", headers);
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| 195 | }
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| 196 |
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| 197 | }
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| 198 | }
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| 199 | };
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| 200 | });
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| 201 |
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| 202 | exports.default = _default; |
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