194 lines
7.7 KiB
JavaScript
194 lines
7.7 KiB
JavaScript
"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
|