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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.createClassFeaturePlugin = createClassFeaturePlugin;
- Object.defineProperty(exports, "injectInitialization", {
- enumerable: true,
- get: function () {
- return _misc.injectInitialization;
- }
- });
- Object.defineProperty(exports, "FEATURES", {
- enumerable: true,
- get: function () {
- return _features.FEATURES;
- }
- });
-
- var _helperFunctionName = _interopRequireDefault(require("@babel/helper-function-name"));
-
- var _helperSplitExportDeclaration = _interopRequireDefault(require("@babel/helper-split-export-declaration"));
-
- var _fields = require("./fields");
-
- var _decorators = require("./decorators");
-
- var _misc = require("./misc");
-
- var _features = require("./features");
-
- var _package = _interopRequireDefault(require("../package.json"));
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- const version = _package.default.version.split(".").reduce((v, x) => v * 1e5 + +x, 0);
-
- const versionKey = "@babel/plugin-class-features/version";
-
- function createClassFeaturePlugin({
- name,
- feature,
- loose,
- manipulateOptions
- }) {
- return {
- name,
- manipulateOptions,
-
- pre() {
- (0, _features.enableFeature)(this.file, feature, loose);
-
- if (!this.file.get(versionKey) || this.file.get(versionKey) < version) {
- this.file.set(versionKey, version);
- }
- },
-
- visitor: {
- Class(path, state) {
- if (this.file.get(versionKey) !== version) return;
- (0, _features.verifyUsedFeatures)(path, this.file);
- const loose = (0, _features.isLoose)(this.file, feature);
- let constructor;
- let isDecorated = (0, _decorators.hasOwnDecorators)(path.node);
- const props = [];
- const elements = [];
- const computedPaths = [];
- const privateNames = new Set();
- const body = path.get("body");
-
- for (const path of body.get("body")) {
- (0, _features.verifyUsedFeatures)(path, this.file);
-
- if (path.node.computed) {
- computedPaths.push(path);
- }
-
- if (path.isPrivate()) {
- const {
- name
- } = path.node.key.id;
- const getName = `get ${name}`;
- const setName = `set ${name}`;
-
- if (path.node.kind === "get") {
- if (privateNames.has(getName) || privateNames.has(name) && !privateNames.has(setName)) {
- throw path.buildCodeFrameError("Duplicate private field");
- }
-
- privateNames.add(getName).add(name);
- } else if (path.node.kind === "set") {
- if (privateNames.has(setName) || privateNames.has(name) && !privateNames.has(getName)) {
- throw path.buildCodeFrameError("Duplicate private field");
- }
-
- privateNames.add(setName).add(name);
- } else {
- if (privateNames.has(name) && !privateNames.has(getName) && !privateNames.has(setName) || privateNames.has(name) && (privateNames.has(getName) || privateNames.has(setName))) {
- throw path.buildCodeFrameError("Duplicate private field");
- }
-
- privateNames.add(name);
- }
- }
-
- if (path.isClassMethod({
- kind: "constructor"
- })) {
- constructor = path;
- } else {
- elements.push(path);
-
- if (path.isProperty() || path.isPrivate()) {
- props.push(path);
- }
- }
-
- if (!isDecorated) isDecorated = (0, _decorators.hasOwnDecorators)(path.node);
- }
-
- if (!props.length && !isDecorated) return;
- let ref;
-
- if (path.isClassExpression() || !path.node.id) {
- (0, _helperFunctionName.default)(path);
- ref = path.scope.generateUidIdentifier("class");
- } else {
- ref = path.node.id;
- }
-
- const privateNamesMap = (0, _fields.buildPrivateNamesMap)(props);
- const privateNamesNodes = (0, _fields.buildPrivateNamesNodes)(privateNamesMap, loose, state);
- (0, _fields.transformPrivateNamesUsage)(ref, path, privateNamesMap, loose, state);
- let keysNodes, staticNodes, instanceNodes, wrapClass;
-
- if (isDecorated) {
- staticNodes = keysNodes = [];
- ({
- instanceNodes,
- wrapClass
- } = (0, _decorators.buildDecoratedClass)(ref, path, elements, this.file));
- } else {
- keysNodes = (0, _misc.extractComputedKeys)(ref, path, computedPaths, this.file);
- ({
- staticNodes,
- instanceNodes,
- wrapClass
- } = (0, _fields.buildFieldsInitNodes)(ref, path.node.superClass, props, privateNamesMap, state, loose));
- }
-
- if (instanceNodes.length > 0) {
- (0, _misc.injectInitialization)(path, constructor, instanceNodes, (referenceVisitor, state) => {
- if (isDecorated) return;
-
- for (const prop of props) {
- if (prop.node.static) continue;
- prop.traverse(referenceVisitor, state);
- }
- });
- }
-
- path = wrapClass(path);
- path.insertBefore(keysNodes);
- path.insertAfter([...privateNamesNodes, ...staticNodes]);
- },
-
- PrivateName(path) {
- if (this.file.get(versionKey) !== version) return;
- throw path.buildCodeFrameError(`Unknown PrivateName "${path}"`);
- },
-
- ExportDefaultDeclaration(path) {
- if (this.file.get(versionKey) !== version) return;
- const decl = path.get("declaration");
-
- if (decl.isClassDeclaration() && (0, _decorators.hasDecorators)(decl.node)) {
- if (decl.node.id) {
- (0, _helperSplitExportDeclaration.default)(path);
- } else {
- decl.node.type = "ClassExpression";
- }
- }
- }
-
- }
- };
- }
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