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					194 lines
				
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					194 lines
				
				7.7 KiB
			| 
											3 years ago
										 | "use strict"; | ||
|  | 
 | ||
|  | Object.defineProperty(exports, "__esModule", { | ||
|  |   value: true | ||
|  | }); | ||
|  | exports.default = void 0; | ||
|  | var _helperPluginUtils = require("@babel/helper-plugin-utils"); | ||
|  | var _helperModuleTransforms = require("@babel/helper-module-transforms"); | ||
|  | var _helperSimpleAccess = require("@babel/helper-simple-access"); | ||
|  | var _core = require("@babel/core"); | ||
|  | var _dynamicImport = require("./dynamic-import"); | ||
|  | var _default = (0, _helperPluginUtils.declare)((api, options) => { | ||
|  |   var _api$assumption, _api$assumption2, _api$assumption3; | ||
|  |   api.assertVersion(7); | ||
|  |   const { | ||
|  |     strictNamespace = false, | ||
|  |     mjsStrictNamespace = strictNamespace, | ||
|  |     allowTopLevelThis, | ||
|  |     strict, | ||
|  |     strictMode, | ||
|  |     noInterop, | ||
|  |     importInterop, | ||
|  |     lazy = false, | ||
|  |     allowCommonJSExports = true, | ||
|  |     loose = false | ||
|  |   } = options; | ||
|  |   const constantReexports = (_api$assumption = api.assumption("constantReexports")) != null ? _api$assumption : loose; | ||
|  |   const enumerableModuleMeta = (_api$assumption2 = api.assumption("enumerableModuleMeta")) != null ? _api$assumption2 : loose; | ||
|  |   const noIncompleteNsImportDetection = (_api$assumption3 = api.assumption("noIncompleteNsImportDetection")) != null ? _api$assumption3 : false; | ||
|  |   if (typeof lazy !== "boolean" && typeof lazy !== "function" && (!Array.isArray(lazy) || !lazy.every(item => typeof item === "string"))) { | ||
|  |     throw new Error(`.lazy must be a boolean, array of strings, or a function`); | ||
|  |   } | ||
|  |   if (typeof strictNamespace !== "boolean") { | ||
|  |     throw new Error(`.strictNamespace must be a boolean, or undefined`); | ||
|  |   } | ||
|  |   if (typeof mjsStrictNamespace !== "boolean") { | ||
|  |     throw new Error(`.mjsStrictNamespace must be a boolean, or undefined`); | ||
|  |   } | ||
|  |   const getAssertion = localName => _core.template.expression.ast`
 | ||
|  |     (function(){ | ||
|  |       throw new Error( | ||
|  |         "The CommonJS '" + "${localName}" + "' variable is not available in ES6 modules." + | ||
|  |         "Consider setting setting sourceType:script or sourceType:unambiguous in your " + | ||
|  |         "Babel config for this file."); | ||
|  |     })() | ||
|  |   `;
 | ||
|  |   const moduleExportsVisitor = { | ||
|  |     ReferencedIdentifier(path) { | ||
|  |       const localName = path.node.name; | ||
|  |       if (localName !== "module" && localName !== "exports") return; | ||
|  |       const localBinding = path.scope.getBinding(localName); | ||
|  |       const rootBinding = this.scope.getBinding(localName); | ||
|  |       if ( | ||
|  |       rootBinding !== localBinding || path.parentPath.isObjectProperty({ | ||
|  |         value: path.node | ||
|  |       }) && path.parentPath.parentPath.isObjectPattern() || path.parentPath.isAssignmentExpression({ | ||
|  |         left: path.node | ||
|  |       }) || path.isAssignmentExpression({ | ||
|  |         left: path.node | ||
|  |       })) { | ||
|  |         return; | ||
|  |       } | ||
|  |       path.replaceWith(getAssertion(localName)); | ||
|  |     }, | ||
|  |     UpdateExpression(path) { | ||
|  |       const arg = path.get("argument"); | ||
|  |       if (!arg.isIdentifier()) return; | ||
|  |       const localName = arg.node.name; | ||
|  |       if (localName !== "module" && localName !== "exports") return; | ||
|  |       const localBinding = path.scope.getBinding(localName); | ||
|  |       const rootBinding = this.scope.getBinding(localName); | ||
|  | 
 | ||
|  |       if (rootBinding !== localBinding) return; | ||
|  |       path.replaceWith(_core.types.assignmentExpression(path.node.operator[0] + "=", arg.node, getAssertion(localName))); | ||
|  |     }, | ||
|  |     AssignmentExpression(path) { | ||
|  |       const left = path.get("left"); | ||
|  |       if (left.isIdentifier()) { | ||
|  |         const localName = left.node.name; | ||
|  |         if (localName !== "module" && localName !== "exports") return; | ||
|  |         const localBinding = path.scope.getBinding(localName); | ||
|  |         const rootBinding = this.scope.getBinding(localName); | ||
|  | 
 | ||
|  |         if (rootBinding !== localBinding) return; | ||
|  |         const right = path.get("right"); | ||
|  |         right.replaceWith(_core.types.sequenceExpression([right.node, getAssertion(localName)])); | ||
|  |       } else if (left.isPattern()) { | ||
|  |         const ids = left.getOuterBindingIdentifiers(); | ||
|  |         const localName = Object.keys(ids).filter(localName => { | ||
|  |           if (localName !== "module" && localName !== "exports") return false; | ||
|  |           return this.scope.getBinding(localName) === path.scope.getBinding(localName); | ||
|  |         })[0]; | ||
|  |         if (localName) { | ||
|  |           const right = path.get("right"); | ||
|  |           right.replaceWith(_core.types.sequenceExpression([right.node, getAssertion(localName)])); | ||
|  |         } | ||
|  |       } | ||
|  |     } | ||
|  |   }; | ||
|  |   return { | ||
|  |     name: "transform-modules-commonjs", | ||
|  |     pre() { | ||
|  |       this.file.set("@babel/plugin-transform-modules-*", "commonjs"); | ||
|  |     }, | ||
|  |     visitor: { | ||
|  |       CallExpression(path) { | ||
|  |         if (!this.file.has("@babel/plugin-proposal-dynamic-import")) return; | ||
|  |         if (!_core.types.isImport(path.node.callee)) return; | ||
|  |         let { | ||
|  |           scope | ||
|  |         } = path; | ||
|  |         do { | ||
|  |           scope.rename("require"); | ||
|  |         } while (scope = scope.parent); | ||
|  |         (0, _dynamicImport.transformDynamicImport)(path, noInterop, this.file); | ||
|  |       }, | ||
|  |       Program: { | ||
|  |         exit(path, state) { | ||
|  |           if (!(0, _helperModuleTransforms.isModule)(path)) return; | ||
|  | 
 | ||
|  |           path.scope.rename("exports"); | ||
|  |           path.scope.rename("module"); | ||
|  |           path.scope.rename("require"); | ||
|  |           path.scope.rename("__filename"); | ||
|  |           path.scope.rename("__dirname"); | ||
|  | 
 | ||
|  |           if (!allowCommonJSExports) { | ||
|  |             (0, _helperSimpleAccess.default)(path, new Set(["module", "exports"]), false); | ||
|  |             path.traverse(moduleExportsVisitor, { | ||
|  |               scope: path.scope | ||
|  |             }); | ||
|  |           } | ||
|  |           let moduleName = (0, _helperModuleTransforms.getModuleName)(this.file.opts, options); | ||
|  |           if (moduleName) moduleName = _core.types.stringLiteral(moduleName); | ||
|  |           const { | ||
|  |             meta, | ||
|  |             headers | ||
|  |           } = (0, _helperModuleTransforms.rewriteModuleStatementsAndPrepareHeader)(path, { | ||
|  |             exportName: "exports", | ||
|  |             constantReexports, | ||
|  |             enumerableModuleMeta, | ||
|  |             strict, | ||
|  |             strictMode, | ||
|  |             allowTopLevelThis, | ||
|  |             noInterop, | ||
|  |             importInterop, | ||
|  |             lazy, | ||
|  |             esNamespaceOnly: typeof state.filename === "string" && /\.mjs$/.test(state.filename) ? mjsStrictNamespace : strictNamespace, | ||
|  |             noIncompleteNsImportDetection, | ||
|  |             filename: this.file.opts.filename | ||
|  |           }); | ||
|  |           for (const [source, metadata] of meta.source) { | ||
|  |             const loadExpr = _core.types.callExpression(_core.types.identifier("require"), [_core.types.stringLiteral(source)]); | ||
|  |             let header; | ||
|  |             if ((0, _helperModuleTransforms.isSideEffectImport)(metadata)) { | ||
|  |               if (metadata.lazy) throw new Error("Assertion failure"); | ||
|  |               header = _core.types.expressionStatement(loadExpr); | ||
|  |             } else { | ||
|  |               const init = (0, _helperModuleTransforms.wrapInterop)(path, loadExpr, metadata.interop) || loadExpr; | ||
|  |               if (metadata.lazy) { | ||
|  |                 header = _core.template.statement.ast`
 | ||
|  |                   function ${metadata.name}() { | ||
|  |                     const data = ${init}; | ||
|  |                     ${metadata.name} = function(){ return data; }; | ||
|  |                     return data; | ||
|  |                   } | ||
|  |                 `;
 | ||
|  |               } else { | ||
|  |                 header = _core.template.statement.ast`
 | ||
|  |                   var ${metadata.name} = ${init}; | ||
|  |                 `;
 | ||
|  |               } | ||
|  |             } | ||
|  |             header.loc = metadata.loc; | ||
|  |             headers.push(header); | ||
|  |             headers.push(...(0, _helperModuleTransforms.buildNamespaceInitStatements)(meta, metadata, constantReexports)); | ||
|  |           } | ||
|  |           (0, _helperModuleTransforms.ensureStatementsHoisted)(headers); | ||
|  |           path.unshiftContainer("body", headers); | ||
|  |           path.get("body").forEach(path => { | ||
|  |             if (headers.indexOf(path.node) === -1) return; | ||
|  |             if (path.isVariableDeclaration()) { | ||
|  |               path.scope.registerDeclaration(path); | ||
|  |             } | ||
|  |           }); | ||
|  |         } | ||
|  |       } | ||
|  |     } | ||
|  |   }; | ||
|  | }); | ||
|  | exports.default = _default; | ||
|  | 
 | ||
|  | //# sourceMappingURL=index.js.map
 |