You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
407 lines
18 KiB
407 lines
18 KiB
3 years ago
|
"use strict";
|
||
|
|
|
||
|
|
Object.defineProperty(exports, "__esModule", {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
exports.default = void 0;
|
||
|
|
exports.getExportSpecifierName = getExportSpecifierName;
|
||
|
|
var _helperPluginUtils = require("@babel/helper-plugin-utils");
|
||
|
|
var _helperHoistVariables = require("@babel/helper-hoist-variables");
|
||
|
|
var _core = require("@babel/core");
|
||
|
|
var _helperModuleTransforms = require("@babel/helper-module-transforms");
|
||
|
|
var _helperValidatorIdentifier = require("@babel/helper-validator-identifier");
|
||
|
|
const buildTemplate = _core.template.statement(`
|
||
|
|
SYSTEM_REGISTER(MODULE_NAME, SOURCES, function (EXPORT_IDENTIFIER, CONTEXT_IDENTIFIER) {
|
||
|
|
"use strict";
|
||
|
|
BEFORE_BODY;
|
||
|
|
return {
|
||
|
|
setters: SETTERS,
|
||
|
|
execute: EXECUTE,
|
||
|
|
};
|
||
|
|
});
|
||
|
|
`);
|
||
|
|
const buildExportAll = _core.template.statement(`
|
||
|
|
for (var KEY in TARGET) {
|
||
|
|
if (KEY !== "default" && KEY !== "__esModule") EXPORT_OBJ[KEY] = TARGET[KEY];
|
||
|
|
}
|
||
|
|
`);
|
||
|
|
const MISSING_PLUGIN_WARNING = `\
|
||
|
|
WARNING: Dynamic import() transformation must be enabled using the
|
||
|
|
@babel/plugin-proposal-dynamic-import plugin. Babel 8 will
|
||
|
|
no longer transform import() without using that plugin.
|
||
|
|
`;
|
||
|
|
const MISSING_PLUGIN_ERROR = `\
|
||
|
|
ERROR: Dynamic import() transformation must be enabled using the
|
||
|
|
@babel/plugin-proposal-dynamic-import plugin. Babel 8
|
||
|
|
no longer transforms import() without using that plugin.
|
||
|
|
`;
|
||
|
|
|
||
|
|
function getExportSpecifierName(node, stringSpecifiers) {
|
||
|
|
if (node.type === "Identifier") {
|
||
|
|
return node.name;
|
||
|
|
} else if (node.type === "StringLiteral") {
|
||
|
|
const stringValue = node.value;
|
||
|
|
if (!(0, _helperValidatorIdentifier.isIdentifierName)(stringValue)) {
|
||
|
|
stringSpecifiers.add(stringValue);
|
||
|
|
}
|
||
|
|
return stringValue;
|
||
|
|
} else {
|
||
|
|
throw new Error(`Expected export specifier to be either Identifier or StringLiteral, got ${node.type}`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function constructExportCall(path, exportIdent, exportNames, exportValues, exportStarTarget, stringSpecifiers) {
|
||
|
|
const statements = [];
|
||
|
|
if (!exportStarTarget) {
|
||
|
|
if (exportNames.length === 1) {
|
||
|
|
statements.push(_core.types.expressionStatement(_core.types.callExpression(exportIdent, [_core.types.stringLiteral(exportNames[0]), exportValues[0]])));
|
||
|
|
} else {
|
||
|
|
const objectProperties = [];
|
||
|
|
for (let i = 0; i < exportNames.length; i++) {
|
||
|
|
const exportName = exportNames[i];
|
||
|
|
const exportValue = exportValues[i];
|
||
|
|
objectProperties.push(_core.types.objectProperty(stringSpecifiers.has(exportName) ? _core.types.stringLiteral(exportName) : _core.types.identifier(exportName), exportValue));
|
||
|
|
}
|
||
|
|
statements.push(_core.types.expressionStatement(_core.types.callExpression(exportIdent, [_core.types.objectExpression(objectProperties)])));
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
const exportObj = path.scope.generateUid("exportObj");
|
||
|
|
statements.push(_core.types.variableDeclaration("var", [_core.types.variableDeclarator(_core.types.identifier(exportObj), _core.types.objectExpression([]))]));
|
||
|
|
statements.push(buildExportAll({
|
||
|
|
KEY: path.scope.generateUidIdentifier("key"),
|
||
|
|
EXPORT_OBJ: _core.types.identifier(exportObj),
|
||
|
|
TARGET: exportStarTarget
|
||
|
|
}));
|
||
|
|
for (let i = 0; i < exportNames.length; i++) {
|
||
|
|
const exportName = exportNames[i];
|
||
|
|
const exportValue = exportValues[i];
|
||
|
|
statements.push(_core.types.expressionStatement(_core.types.assignmentExpression("=", _core.types.memberExpression(_core.types.identifier(exportObj), _core.types.identifier(exportName)), exportValue)));
|
||
|
|
}
|
||
|
|
statements.push(_core.types.expressionStatement(_core.types.callExpression(exportIdent, [_core.types.identifier(exportObj)])));
|
||
|
|
}
|
||
|
|
return statements;
|
||
|
|
}
|
||
|
|
var _default = (0, _helperPluginUtils.declare)((api, options) => {
|
||
|
|
api.assertVersion(7);
|
||
|
|
const {
|
||
|
|
systemGlobal = "System",
|
||
|
|
allowTopLevelThis = false
|
||
|
|
} = options;
|
||
|
|
const reassignmentVisited = new WeakSet();
|
||
|
|
const reassignmentVisitor = {
|
||
|
|
"AssignmentExpression|UpdateExpression"(path) {
|
||
|
|
if (reassignmentVisited.has(path.node)) return;
|
||
|
|
reassignmentVisited.add(path.node);
|
||
|
|
const arg = path.isAssignmentExpression() ? path.get("left") : path.get("argument");
|
||
|
|
if (arg.isObjectPattern() || arg.isArrayPattern()) {
|
||
|
|
const exprs = [path.node];
|
||
|
|
for (const name of Object.keys(arg.getBindingIdentifiers())) {
|
||
|
|
if (this.scope.getBinding(name) !== path.scope.getBinding(name)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const exportedNames = this.exports[name];
|
||
|
|
if (!exportedNames) continue;
|
||
|
|
for (const exportedName of exportedNames) {
|
||
|
|
exprs.push(this.buildCall(exportedName, _core.types.identifier(name)).expression);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
path.replaceWith(_core.types.sequenceExpression(exprs));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!arg.isIdentifier()) return;
|
||
|
|
const name = arg.node.name;
|
||
|
|
|
||
|
|
if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return;
|
||
|
|
const exportedNames = this.exports[name];
|
||
|
|
if (!exportedNames) return;
|
||
|
|
let node = path.node;
|
||
|
|
|
||
|
|
const isPostUpdateExpression = _core.types.isUpdateExpression(node, {
|
||
|
|
prefix: false
|
||
|
|
});
|
||
|
|
if (isPostUpdateExpression) {
|
||
|
|
node = _core.types.binaryExpression(
|
||
|
|
node.operator[0], _core.types.unaryExpression("+", _core.types.cloneNode(
|
||
|
|
node.argument)), _core.types.numericLiteral(1));
|
||
|
|
}
|
||
|
|
for (const exportedName of exportedNames) {
|
||
|
|
node = this.buildCall(exportedName, node).expression;
|
||
|
|
}
|
||
|
|
if (isPostUpdateExpression) {
|
||
|
|
node = _core.types.sequenceExpression([node, path.node]);
|
||
|
|
}
|
||
|
|
path.replaceWith(node);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return {
|
||
|
|
name: "transform-modules-systemjs",
|
||
|
|
pre() {
|
||
|
|
this.file.set("@babel/plugin-transform-modules-*", "systemjs");
|
||
|
|
},
|
||
|
|
visitor: {
|
||
|
|
CallExpression(path, state) {
|
||
|
|
if (_core.types.isImport(path.node.callee)) {
|
||
|
|
if (!this.file.has("@babel/plugin-proposal-dynamic-import")) {
|
||
|
|
{
|
||
|
|
console.warn(MISSING_PLUGIN_WARNING);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
path.replaceWith((0, _helperModuleTransforms.buildDynamicImport)(path.node, false, true, specifier => _core.types.callExpression(_core.types.memberExpression(_core.types.identifier(state.contextIdent), _core.types.identifier("import")), [specifier])));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
MetaProperty(path, state) {
|
||
|
|
if (path.node.meta.name === "import" && path.node.property.name === "meta") {
|
||
|
|
path.replaceWith(_core.types.memberExpression(_core.types.identifier(state.contextIdent), _core.types.identifier("meta")));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
ReferencedIdentifier(path, state) {
|
||
|
|
if (path.node.name === "__moduleName" && !path.scope.hasBinding("__moduleName")) {
|
||
|
|
path.replaceWith(_core.types.memberExpression(_core.types.identifier(state.contextIdent), _core.types.identifier("id")));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
Program: {
|
||
|
|
enter(path, state) {
|
||
|
|
state.contextIdent = path.scope.generateUid("context");
|
||
|
|
state.stringSpecifiers = new Set();
|
||
|
|
if (!allowTopLevelThis) {
|
||
|
|
(0, _helperModuleTransforms.rewriteThis)(path);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
exit(path, state) {
|
||
|
|
const scope = path.scope;
|
||
|
|
const exportIdent = scope.generateUid("export");
|
||
|
|
const {
|
||
|
|
contextIdent,
|
||
|
|
stringSpecifiers
|
||
|
|
} = state;
|
||
|
|
const exportMap = Object.create(null);
|
||
|
|
const modules = [];
|
||
|
|
const beforeBody = [];
|
||
|
|
const setters = [];
|
||
|
|
const sources = [];
|
||
|
|
const variableIds = [];
|
||
|
|
const removedPaths = [];
|
||
|
|
function addExportName(key, val) {
|
||
|
|
exportMap[key] = exportMap[key] || [];
|
||
|
|
exportMap[key].push(val);
|
||
|
|
}
|
||
|
|
function pushModule(source, key, specifiers) {
|
||
|
|
let module;
|
||
|
|
modules.forEach(function (m) {
|
||
|
|
if (m.key === source) {
|
||
|
|
module = m;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
if (!module) {
|
||
|
|
modules.push(module = {
|
||
|
|
key: source,
|
||
|
|
imports: [],
|
||
|
|
exports: []
|
||
|
|
});
|
||
|
|
}
|
||
|
|
module[key] = module[key].concat(specifiers);
|
||
|
|
}
|
||
|
|
function buildExportCall(name, val) {
|
||
|
|
return _core.types.expressionStatement(_core.types.callExpression(_core.types.identifier(exportIdent), [_core.types.stringLiteral(name), val]));
|
||
|
|
}
|
||
|
|
const exportNames = [];
|
||
|
|
const exportValues = [];
|
||
|
|
const body = path.get("body");
|
||
|
|
for (const path of body) {
|
||
|
|
if (path.isFunctionDeclaration()) {
|
||
|
|
beforeBody.push(path.node);
|
||
|
|
removedPaths.push(path);
|
||
|
|
} else if (path.isClassDeclaration()) {
|
||
|
|
variableIds.push(_core.types.cloneNode(path.node.id));
|
||
|
|
path.replaceWith(_core.types.expressionStatement(_core.types.assignmentExpression("=", _core.types.cloneNode(path.node.id), _core.types.toExpression(path.node))));
|
||
|
|
} else if (path.isVariableDeclaration()) {
|
||
|
|
path.node.kind = "var";
|
||
|
|
} else if (path.isImportDeclaration()) {
|
||
|
|
const source = path.node.source.value;
|
||
|
|
pushModule(source, "imports", path.node.specifiers);
|
||
|
|
for (const name of Object.keys(path.getBindingIdentifiers())) {
|
||
|
|
scope.removeBinding(name);
|
||
|
|
variableIds.push(_core.types.identifier(name));
|
||
|
|
}
|
||
|
|
path.remove();
|
||
|
|
} else if (path.isExportAllDeclaration()) {
|
||
|
|
pushModule(path.node.source.value, "exports", path.node);
|
||
|
|
path.remove();
|
||
|
|
} else if (path.isExportDefaultDeclaration()) {
|
||
|
|
const declar = path.node.declaration;
|
||
|
|
if (_core.types.isClassDeclaration(declar)) {
|
||
|
|
const id = declar.id;
|
||
|
|
if (id) {
|
||
|
|
exportNames.push("default");
|
||
|
|
exportValues.push(scope.buildUndefinedNode());
|
||
|
|
variableIds.push(_core.types.cloneNode(id));
|
||
|
|
addExportName(id.name, "default");
|
||
|
|
path.replaceWith(_core.types.expressionStatement(_core.types.assignmentExpression("=", _core.types.cloneNode(id), _core.types.toExpression(declar))));
|
||
|
|
} else {
|
||
|
|
exportNames.push("default");
|
||
|
|
exportValues.push(_core.types.toExpression(declar));
|
||
|
|
removedPaths.push(path);
|
||
|
|
}
|
||
|
|
} else if (_core.types.isFunctionDeclaration(declar)) {
|
||
|
|
const id = declar.id;
|
||
|
|
if (id) {
|
||
|
|
beforeBody.push(declar);
|
||
|
|
exportNames.push("default");
|
||
|
|
exportValues.push(_core.types.cloneNode(id));
|
||
|
|
addExportName(id.name, "default");
|
||
|
|
} else {
|
||
|
|
exportNames.push("default");
|
||
|
|
exportValues.push(_core.types.toExpression(declar));
|
||
|
|
}
|
||
|
|
removedPaths.push(path);
|
||
|
|
} else {
|
||
|
|
path.replaceWith(buildExportCall("default", declar));
|
||
|
|
}
|
||
|
|
} else if (path.isExportNamedDeclaration()) {
|
||
|
|
const declar = path.node.declaration;
|
||
|
|
if (declar) {
|
||
|
|
path.replaceWith(declar);
|
||
|
|
if (_core.types.isFunction(declar)) {
|
||
|
|
const name = declar.id.name;
|
||
|
|
addExportName(name, name);
|
||
|
|
beforeBody.push(declar);
|
||
|
|
exportNames.push(name);
|
||
|
|
exportValues.push(_core.types.cloneNode(declar.id));
|
||
|
|
removedPaths.push(path);
|
||
|
|
} else if (_core.types.isClass(declar)) {
|
||
|
|
const name = declar.id.name;
|
||
|
|
exportNames.push(name);
|
||
|
|
exportValues.push(scope.buildUndefinedNode());
|
||
|
|
variableIds.push(_core.types.cloneNode(declar.id));
|
||
|
|
path.replaceWith(_core.types.expressionStatement(_core.types.assignmentExpression("=", _core.types.cloneNode(declar.id), _core.types.toExpression(declar))));
|
||
|
|
addExportName(name, name);
|
||
|
|
} else {
|
||
|
|
if (_core.types.isVariableDeclaration(declar)) {
|
||
|
|
declar.kind = "var";
|
||
|
|
}
|
||
|
|
for (const name of Object.keys(_core.types.getBindingIdentifiers(declar))) {
|
||
|
|
addExportName(name, name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
const specifiers = path.node.specifiers;
|
||
|
|
if (specifiers != null && specifiers.length) {
|
||
|
|
if (path.node.source) {
|
||
|
|
pushModule(path.node.source.value, "exports", specifiers);
|
||
|
|
path.remove();
|
||
|
|
} else {
|
||
|
|
const nodes = [];
|
||
|
|
for (const specifier of specifiers) {
|
||
|
|
const {
|
||
|
|
local,
|
||
|
|
exported
|
||
|
|
} = specifier;
|
||
|
|
const binding = scope.getBinding(local.name);
|
||
|
|
const exportedName = getExportSpecifierName(exported, stringSpecifiers);
|
||
|
|
if (binding && _core.types.isFunctionDeclaration(binding.path.node)) {
|
||
|
|
exportNames.push(exportedName);
|
||
|
|
exportValues.push(_core.types.cloneNode(local));
|
||
|
|
}
|
||
|
|
else if (!binding) {
|
||
|
|
nodes.push(buildExportCall(exportedName, local));
|
||
|
|
}
|
||
|
|
addExportName(local.name, exportedName);
|
||
|
|
}
|
||
|
|
path.replaceWithMultiple(nodes);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
path.remove();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
modules.forEach(function (specifiers) {
|
||
|
|
const setterBody = [];
|
||
|
|
const target = scope.generateUid(specifiers.key);
|
||
|
|
for (let specifier of specifiers.imports) {
|
||
|
|
if (_core.types.isImportNamespaceSpecifier(specifier)) {
|
||
|
|
setterBody.push(_core.types.expressionStatement(_core.types.assignmentExpression("=", specifier.local, _core.types.identifier(target))));
|
||
|
|
} else if (_core.types.isImportDefaultSpecifier(specifier)) {
|
||
|
|
specifier = _core.types.importSpecifier(specifier.local, _core.types.identifier("default"));
|
||
|
|
}
|
||
|
|
if (_core.types.isImportSpecifier(specifier)) {
|
||
|
|
const {
|
||
|
|
imported
|
||
|
|
} = specifier;
|
||
|
|
setterBody.push(_core.types.expressionStatement(_core.types.assignmentExpression("=", specifier.local, _core.types.memberExpression(_core.types.identifier(target), specifier.imported, imported.type === "StringLiteral"))));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (specifiers.exports.length) {
|
||
|
|
const exportNames = [];
|
||
|
|
const exportValues = [];
|
||
|
|
let hasExportStar = false;
|
||
|
|
for (const node of specifiers.exports) {
|
||
|
|
if (_core.types.isExportAllDeclaration(node)) {
|
||
|
|
hasExportStar = true;
|
||
|
|
} else if (_core.types.isExportSpecifier(node)) {
|
||
|
|
const exportedName = getExportSpecifierName(node.exported, stringSpecifiers);
|
||
|
|
exportNames.push(exportedName);
|
||
|
|
exportValues.push(_core.types.memberExpression(_core.types.identifier(target), node.local, _core.types.isStringLiteral(node.local)));
|
||
|
|
} else {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
setterBody.push(...constructExportCall(path, _core.types.identifier(exportIdent), exportNames, exportValues, hasExportStar ? _core.types.identifier(target) : null, stringSpecifiers));
|
||
|
|
}
|
||
|
|
sources.push(_core.types.stringLiteral(specifiers.key));
|
||
|
|
setters.push(_core.types.functionExpression(null, [_core.types.identifier(target)], _core.types.blockStatement(setterBody)));
|
||
|
|
});
|
||
|
|
let moduleName = (0, _helperModuleTransforms.getModuleName)(this.file.opts, options);
|
||
|
|
if (moduleName) moduleName = _core.types.stringLiteral(moduleName);
|
||
|
|
(0, _helperHoistVariables.default)(path, (id, name, hasInit) => {
|
||
|
|
variableIds.push(id);
|
||
|
|
if (!hasInit && name in exportMap) {
|
||
|
|
for (const exported of exportMap[name]) {
|
||
|
|
exportNames.push(exported);
|
||
|
|
exportValues.push(scope.buildUndefinedNode());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
if (variableIds.length) {
|
||
|
|
beforeBody.unshift(_core.types.variableDeclaration("var", variableIds.map(id => _core.types.variableDeclarator(id))));
|
||
|
|
}
|
||
|
|
if (exportNames.length) {
|
||
|
|
beforeBody.push(...constructExportCall(path, _core.types.identifier(exportIdent), exportNames, exportValues, null, stringSpecifiers));
|
||
|
|
}
|
||
|
|
path.traverse(reassignmentVisitor, {
|
||
|
|
exports: exportMap,
|
||
|
|
buildCall: buildExportCall,
|
||
|
|
scope
|
||
|
|
});
|
||
|
|
for (const path of removedPaths) {
|
||
|
|
path.remove();
|
||
|
|
}
|
||
|
|
let hasTLA = false;
|
||
|
|
path.traverse({
|
||
|
|
AwaitExpression(path) {
|
||
|
|
hasTLA = true;
|
||
|
|
path.stop();
|
||
|
|
},
|
||
|
|
Function(path) {
|
||
|
|
path.skip();
|
||
|
|
},
|
||
|
|
noScope: true
|
||
|
|
});
|
||
|
|
path.node.body = [buildTemplate({
|
||
|
|
SYSTEM_REGISTER: _core.types.memberExpression(_core.types.identifier(systemGlobal), _core.types.identifier("register")),
|
||
|
|
BEFORE_BODY: beforeBody,
|
||
|
|
MODULE_NAME: moduleName,
|
||
|
|
SETTERS: _core.types.arrayExpression(setters),
|
||
|
|
EXECUTE: _core.types.functionExpression(null, [], _core.types.blockStatement(path.node.body), false, hasTLA),
|
||
|
|
SOURCES: _core.types.arrayExpression(sources),
|
||
|
|
EXPORT_IDENTIFIER: _core.types.identifier(exportIdent),
|
||
|
|
CONTEXT_IDENTIFIER: _core.types.identifier(contextIdent)
|
||
|
|
})];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
});
|
||
|
|
exports.default = _default;
|
||
|
|
|
||
|
|
//# sourceMappingURL=index.js.map
|