435 lines
16 KiB
JavaScript
435 lines
16 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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function _helperPluginUtils() {
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const data = require("@babel/helper-plugin-utils");
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_helperPluginUtils = function () {
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return data;
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};
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return data;
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}
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function _helperHoistVariables() {
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const data = _interopRequireDefault(require("@babel/helper-hoist-variables"));
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_helperHoistVariables = function () {
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return data;
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};
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return data;
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}
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function _core() {
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const data = require("@babel/core");
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_core = function () {
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return data;
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};
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return data;
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}
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function _utils() {
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const data = require("babel-plugin-dynamic-import-node/utils");
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_utils = function () {
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return data;
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};
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return data;
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}
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const buildTemplate = (0, _core().template)(`
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SYSTEM_REGISTER(MODULE_NAME, SOURCES, function (EXPORT_IDENTIFIER, CONTEXT_IDENTIFIER) {
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"use strict";
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BEFORE_BODY;
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return {
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setters: SETTERS,
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execute: function () {
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BODY;
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}
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};
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});
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`);
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const buildExportAll = (0, _core().template)(`
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for (var KEY in TARGET) {
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if (KEY !== "default" && KEY !== "__esModule") EXPORT_OBJ[KEY] = TARGET[KEY];
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}
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`);
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const MISSING_PLUGIN_WARNING = `\
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WARNING: Dynamic import() transformation must be enabled using the
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@babel/plugin-proposal-dynamic-import plugin. Babel 8 will
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no longer transform import() without using that plugin.
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`;
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function constructExportCall(path, exportIdent, exportNames, exportValues, exportStarTarget) {
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const statements = [];
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if (exportNames.length === 1) {
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statements.push(_core().types.expressionStatement(_core().types.callExpression(exportIdent, [_core().types.stringLiteral(exportNames[0]), exportValues[0]])));
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} else if (!exportStarTarget) {
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const objectProperties = [];
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for (let i = 0; i < exportNames.length; i++) {
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const exportName = exportNames[i];
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const exportValue = exportValues[i];
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objectProperties.push(_core().types.objectProperty(_core().types.identifier(exportName), exportValue));
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}
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statements.push(_core().types.expressionStatement(_core().types.callExpression(exportIdent, [_core().types.objectExpression(objectProperties)])));
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} else {
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const exportObj = path.scope.generateUid("exportObj");
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statements.push(_core().types.variableDeclaration("var", [_core().types.variableDeclarator(_core().types.identifier(exportObj), _core().types.objectExpression([]))]));
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statements.push(buildExportAll({
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KEY: path.scope.generateUidIdentifier("key"),
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EXPORT_OBJ: _core().types.identifier(exportObj),
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TARGET: exportStarTarget
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}));
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for (let i = 0; i < exportNames.length; i++) {
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const exportName = exportNames[i];
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const exportValue = exportValues[i];
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statements.push(_core().types.expressionStatement(_core().types.assignmentExpression("=", _core().types.memberExpression(_core().types.identifier(exportObj), _core().types.identifier(exportName)), exportValue)));
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}
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statements.push(_core().types.expressionStatement(_core().types.callExpression(exportIdent, [_core().types.identifier(exportObj)])));
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}
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return statements;
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}
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var _default = (0, _helperPluginUtils().declare)((api, options) => {
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api.assertVersion(7);
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const {
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systemGlobal = "System"
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} = options;
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const IGNORE_REASSIGNMENT_SYMBOL = Symbol();
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const reassignmentVisitor = {
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"AssignmentExpression|UpdateExpression"(path) {
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if (path.node[IGNORE_REASSIGNMENT_SYMBOL]) return;
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path.node[IGNORE_REASSIGNMENT_SYMBOL] = true;
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const arg = path.get(path.isAssignmentExpression() ? "left" : "argument");
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if (arg.isObjectPattern() || arg.isArrayPattern()) {
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const exprs = [path.node];
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for (const name of Object.keys(arg.getBindingIdentifiers())) {
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if (this.scope.getBinding(name) !== path.scope.getBinding(name)) {
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return;
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}
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const exportedNames = this.exports[name];
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if (!exportedNames) return;
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for (const exportedName of exportedNames) {
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exprs.push(this.buildCall(exportedName, _core().types.identifier(name)).expression);
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}
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}
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path.replaceWith(_core().types.sequenceExpression(exprs));
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return;
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}
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if (!arg.isIdentifier()) return;
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const name = arg.node.name;
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if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return;
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const exportedNames = this.exports[name];
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if (!exportedNames) return;
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let node = path.node;
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const isPostUpdateExpression = path.isUpdateExpression({
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prefix: false
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});
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if (isPostUpdateExpression) {
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node = _core().types.binaryExpression(node.operator[0], _core().types.unaryExpression("+", _core().types.cloneNode(node.argument)), _core().types.numericLiteral(1));
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}
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for (const exportedName of exportedNames) {
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node = this.buildCall(exportedName, node).expression;
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}
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if (isPostUpdateExpression) {
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node = _core().types.sequenceExpression([node, path.node]);
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}
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path.replaceWith(node);
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}
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};
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return {
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name: "transform-modules-systemjs",
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pre() {
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this.file.set("@babel/plugin-transform-modules-*", "systemjs");
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},
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visitor: {
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CallExpression(path, state) {
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if (_core().types.isImport(path.node.callee)) {
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if (!this.file.has("@babel/plugin-proposal-dynamic-import")) {
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console.warn(MISSING_PLUGIN_WARNING);
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}
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path.replaceWith(_core().types.callExpression(_core().types.memberExpression(_core().types.identifier(state.contextIdent), _core().types.identifier("import")), [(0, _utils().getImportSource)(_core().types, path.node)]));
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}
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},
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MetaProperty(path, state) {
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if (path.node.meta.name === "import" && path.node.property.name === "meta") {
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path.replaceWith(_core().types.memberExpression(_core().types.identifier(state.contextIdent), _core().types.identifier("meta")));
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}
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},
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ReferencedIdentifier(path, state) {
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if (path.node.name === "__moduleName" && !path.scope.hasBinding("__moduleName")) {
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path.replaceWith(_core().types.memberExpression(_core().types.identifier(state.contextIdent), _core().types.identifier("id")));
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}
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},
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Program: {
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enter(path, state) {
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state.contextIdent = path.scope.generateUid("context");
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},
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exit(path, state) {
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const undefinedIdent = path.scope.buildUndefinedNode();
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const exportIdent = path.scope.generateUid("export");
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const contextIdent = state.contextIdent;
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const exportMap = Object.create(null);
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const modules = [];
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let beforeBody = [];
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const setters = [];
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const sources = [];
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const variableIds = [];
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const removedPaths = [];
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function addExportName(key, val) {
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exportMap[key] = exportMap[key] || [];
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exportMap[key].push(val);
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}
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function pushModule(source, key, specifiers) {
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let module;
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modules.forEach(function (m) {
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if (m.key === source) {
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module = m;
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}
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});
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if (!module) {
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modules.push(module = {
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key: source,
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imports: [],
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exports: []
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});
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}
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module[key] = module[key].concat(specifiers);
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}
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function buildExportCall(name, val) {
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return _core().types.expressionStatement(_core().types.callExpression(_core().types.identifier(exportIdent), [_core().types.stringLiteral(name), val]));
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}
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const exportNames = [];
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const exportValues = [];
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const body = path.get("body");
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for (const path of body) {
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if (path.isFunctionDeclaration()) {
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beforeBody.push(path.node);
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removedPaths.push(path);
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} else if (path.isClassDeclaration()) {
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variableIds.push(path.node.id);
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path.replaceWith(_core().types.expressionStatement(_core().types.assignmentExpression("=", _core().types.cloneNode(path.node.id), _core().types.toExpression(path.node))));
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} else if (path.isImportDeclaration()) {
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const source = path.node.source.value;
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pushModule(source, "imports", path.node.specifiers);
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for (const name of Object.keys(path.getBindingIdentifiers())) {
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path.scope.removeBinding(name);
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variableIds.push(_core().types.identifier(name));
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}
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path.remove();
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} else if (path.isExportAllDeclaration()) {
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pushModule(path.node.source.value, "exports", path.node);
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path.remove();
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} else if (path.isExportDefaultDeclaration()) {
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const declar = path.get("declaration");
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const id = declar.node.id;
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if (declar.isClassDeclaration()) {
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if (id) {
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exportNames.push("default");
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exportValues.push(undefinedIdent);
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variableIds.push(id);
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addExportName(id.name, "default");
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path.replaceWith(_core().types.expressionStatement(_core().types.assignmentExpression("=", _core().types.cloneNode(id), _core().types.toExpression(declar.node))));
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} else {
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exportNames.push("default");
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exportValues.push(_core().types.toExpression(declar.node));
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removedPaths.push(path);
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}
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} else if (declar.isFunctionDeclaration()) {
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if (id) {
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beforeBody.push(declar.node);
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exportNames.push("default");
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exportValues.push(_core().types.cloneNode(id));
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addExportName(id.name, "default");
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} else {
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exportNames.push("default");
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exportValues.push(_core().types.toExpression(declar.node));
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}
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removedPaths.push(path);
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} else {
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path.replaceWith(buildExportCall("default", declar.node));
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}
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} else if (path.isExportNamedDeclaration()) {
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const declar = path.get("declaration");
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if (declar.node) {
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path.replaceWith(declar);
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if (path.isFunction()) {
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const node = declar.node;
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const name = node.id.name;
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addExportName(name, name);
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beforeBody.push(node);
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exportNames.push(name);
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exportValues.push(_core().types.cloneNode(node.id));
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removedPaths.push(path);
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} else if (path.isClass()) {
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const name = declar.node.id.name;
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exportNames.push(name);
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exportValues.push(undefinedIdent);
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variableIds.push(declar.node.id);
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path.replaceWith(_core().types.expressionStatement(_core().types.assignmentExpression("=", _core().types.cloneNode(declar.node.id), _core().types.toExpression(declar.node))));
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addExportName(name, name);
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} else {
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for (const name of Object.keys(declar.getBindingIdentifiers())) {
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addExportName(name, name);
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}
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}
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} else {
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const specifiers = path.node.specifiers;
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if (specifiers && specifiers.length) {
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if (path.node.source) {
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pushModule(path.node.source.value, "exports", specifiers);
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path.remove();
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} else {
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const nodes = [];
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for (const specifier of specifiers) {
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const binding = path.scope.getBinding(specifier.local.name);
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if (binding && _core().types.isFunctionDeclaration(binding.path.node)) {
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exportNames.push(specifier.exported.name);
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exportValues.push(_core().types.cloneNode(specifier.local));
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} else if (!binding) {
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nodes.push(buildExportCall(specifier.exported.name, specifier.local));
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}
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addExportName(specifier.local.name, specifier.exported.name);
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}
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path.replaceWithMultiple(nodes);
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}
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}
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}
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}
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}
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modules.forEach(function (specifiers) {
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let setterBody = [];
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const target = path.scope.generateUid(specifiers.key);
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for (let specifier of specifiers.imports) {
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if (_core().types.isImportNamespaceSpecifier(specifier)) {
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setterBody.push(_core().types.expressionStatement(_core().types.assignmentExpression("=", specifier.local, _core().types.identifier(target))));
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} else if (_core().types.isImportDefaultSpecifier(specifier)) {
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specifier = _core().types.importSpecifier(specifier.local, _core().types.identifier("default"));
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}
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if (_core().types.isImportSpecifier(specifier)) {
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setterBody.push(_core().types.expressionStatement(_core().types.assignmentExpression("=", specifier.local, _core().types.memberExpression(_core().types.identifier(target), specifier.imported))));
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}
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}
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if (specifiers.exports.length) {
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const exportNames = [];
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const exportValues = [];
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let hasExportStar = false;
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for (const node of specifiers.exports) {
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|
if (_core().types.isExportAllDeclaration(node)) {
|
||
|
|
hasExportStar = true;
|
||
|
|
} else if (_core().types.isExportSpecifier(node)) {
|
||
|
|
exportNames.push(node.exported.name);
|
||
|
|
exportValues.push(_core().types.memberExpression(_core().types.identifier(target), node.local));
|
||
|
|
} else {}
|
||
|
|
}
|
||
|
|
|
||
|
|
setterBody = setterBody.concat(constructExportCall(path, _core().types.identifier(exportIdent), exportNames, exportValues, hasExportStar ? _core().types.identifier(target) : null));
|
||
|
|
}
|
||
|
|
|
||
|
|
sources.push(_core().types.stringLiteral(specifiers.key));
|
||
|
|
setters.push(_core().types.functionExpression(null, [_core().types.identifier(target)], _core().types.blockStatement(setterBody)));
|
||
|
|
});
|
||
|
|
let moduleName = this.getModuleName();
|
||
|
|
if (moduleName) moduleName = _core().types.stringLiteral(moduleName);
|
||
|
|
(0, _helperHoistVariables().default)(path, (id, name, hasInit) => {
|
||
|
|
variableIds.push(id);
|
||
|
|
|
||
|
|
if (!hasInit) {
|
||
|
|
exportNames.push(name);
|
||
|
|
exportValues.push(undefinedIdent);
|
||
|
|
}
|
||
|
|
}, null);
|
||
|
|
|
||
|
|
if (variableIds.length) {
|
||
|
|
beforeBody.unshift(_core().types.variableDeclaration("var", variableIds.map(id => _core().types.variableDeclarator(id))));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (exportNames.length) {
|
||
|
|
beforeBody = beforeBody.concat(constructExportCall(path, _core().types.identifier(exportIdent), exportNames, exportValues, null));
|
||
|
|
}
|
||
|
|
|
||
|
|
path.traverse(reassignmentVisitor, {
|
||
|
|
exports: exportMap,
|
||
|
|
buildCall: buildExportCall,
|
||
|
|
scope: path.scope
|
||
|
|
});
|
||
|
|
|
||
|
|
for (const path of removedPaths) {
|
||
|
|
path.remove();
|
||
|
|
}
|
||
|
|
|
||
|
|
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),
|
||
|
|
SOURCES: _core().types.arrayExpression(sources),
|
||
|
|
BODY: path.node.body,
|
||
|
|
EXPORT_IDENTIFIER: _core().types.identifier(exportIdent),
|
||
|
|
CONTEXT_IDENTIFIER: _core().types.identifier(contextIdent)
|
||
|
|
})];
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
exports.default = _default;
|