238 lines
No EOL
8 KiB
JavaScript
238 lines
No EOL
8 KiB
JavaScript
"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.createClassFeaturePlugin = createClassFeaturePlugin;
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Object.defineProperty(exports, "injectInitialization", {
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enumerable: true,
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get: function () {
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return _misc.injectInitialization;
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}
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});
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Object.defineProperty(exports, "FEATURES", {
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enumerable: true,
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get: function () {
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return _features.FEATURES;
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}
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});
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var _core = require("@babel/core");
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var _helperFunctionName = _interopRequireDefault(require("@babel/helper-function-name"));
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var _helperSplitExportDeclaration = _interopRequireDefault(require("@babel/helper-split-export-declaration"));
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var _fields = require("./fields");
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var _decorators = require("./decorators");
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var _misc = require("./misc");
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var _features = require("./features");
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const version = "7.13.11".split(".").reduce((v, x) => v * 1e5 + +x, 0);
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const versionKey = "@babel/plugin-class-features/version";
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function createClassFeaturePlugin({
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name,
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feature,
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loose,
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manipulateOptions,
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api = {
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assumption: () => {}
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}
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}) {
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const setPublicClassFields = api.assumption("setPublicClassFields");
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const privateFieldsAsProperties = api.assumption("privateFieldsAsProperties");
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const constantSuper = api.assumption("constantSuper");
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const noDocumentAll = api.assumption("noDocumentAll");
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if (loose === true) {
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const explicit = [];
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if (setPublicClassFields !== undefined) {
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explicit.push(`"setPublicClassFields"`);
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}
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if (privateFieldsAsProperties !== undefined) {
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explicit.push(`"privateFieldsAsProperties"`);
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}
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if (explicit.length !== 0) {
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console.warn(`[${name}]: You are using the "loose: true" option and you are` + ` explicitly setting a value for the ${explicit.join(" and ")}` + ` assumption${explicit.length > 1 ? "s" : ""}. The "loose" option` + ` can cause incompatibilities with the other class features` + ` plugins, so it's recommended that you replace it with the` + ` following top-level option:\n` + `\t"assumptions": {\n` + `\t\t"setPublicClassFields": true,\n` + `\t\t"privateFieldsAsProperties": true\n` + `\t}`);
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}
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}
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return {
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name,
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manipulateOptions,
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pre() {
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(0, _features.enableFeature)(this.file, feature, loose);
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if (!this.file.get(versionKey) || this.file.get(versionKey) < version) {
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this.file.set(versionKey, version);
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}
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},
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visitor: {
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Class(path, state) {
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if (this.file.get(versionKey) !== version) return;
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(0, _features.verifyUsedFeatures)(path, this.file);
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const loose = (0, _features.isLoose)(this.file, feature);
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let constructor;
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let isDecorated = (0, _decorators.hasOwnDecorators)(path.node);
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const props = [];
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const elements = [];
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const computedPaths = [];
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const privateNames = new Set();
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const body = path.get("body");
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for (const path of body.get("body")) {
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(0, _features.verifyUsedFeatures)(path, this.file);
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if (path.node.computed) {
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computedPaths.push(path);
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}
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if (path.isPrivate()) {
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const {
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name
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} = path.node.key.id;
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const getName = `get ${name}`;
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const setName = `set ${name}`;
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if (path.node.kind === "get") {
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if (privateNames.has(getName) || privateNames.has(name) && !privateNames.has(setName)) {
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throw path.buildCodeFrameError("Duplicate private field");
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}
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privateNames.add(getName).add(name);
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} else if (path.node.kind === "set") {
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if (privateNames.has(setName) || privateNames.has(name) && !privateNames.has(getName)) {
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throw path.buildCodeFrameError("Duplicate private field");
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}
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privateNames.add(setName).add(name);
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} else {
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if (privateNames.has(name) && !privateNames.has(getName) && !privateNames.has(setName) || privateNames.has(name) && (privateNames.has(getName) || privateNames.has(setName))) {
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throw path.buildCodeFrameError("Duplicate private field");
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}
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privateNames.add(name);
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}
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}
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if (path.isClassMethod({
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kind: "constructor"
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})) {
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constructor = path;
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} else {
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elements.push(path);
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if (path.isProperty() || path.isPrivate()) {
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props.push(path);
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}
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}
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if (!isDecorated) isDecorated = (0, _decorators.hasOwnDecorators)(path.node);
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if (path.isStaticBlock != null && path.isStaticBlock()) {
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throw path.buildCodeFrameError(`Incorrect plugin order, \`@babel/plugin-proposal-class-static-block\` should be placed before class features plugins
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{
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"plugins": [
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"@babel/plugin-proposal-class-static-block",
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"@babel/plugin-proposal-private-property-in-object",
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"@babel/plugin-proposal-private-methods",
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"@babel/plugin-proposal-class-properties",
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]
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}`);
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}
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}
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if (!props.length && !isDecorated) return;
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let ref;
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if (path.isClassExpression() || !path.node.id) {
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(0, _helperFunctionName.default)(path);
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ref = path.scope.generateUidIdentifier("class");
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} else {
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ref = _core.types.cloneNode(path.node.id);
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}
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const privateNamesMap = (0, _fields.buildPrivateNamesMap)(props);
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const privateNamesNodes = (0, _fields.buildPrivateNamesNodes)(privateNamesMap, privateFieldsAsProperties != null ? privateFieldsAsProperties : loose, state);
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(0, _fields.transformPrivateNamesUsage)(ref, path, privateNamesMap, {
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privateFieldsAsProperties: privateFieldsAsProperties != null ? privateFieldsAsProperties : loose,
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noDocumentAll
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}, state);
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let keysNodes, staticNodes, pureStaticNodes, instanceNodes, wrapClass;
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if (isDecorated) {
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staticNodes = pureStaticNodes = keysNodes = [];
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({
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instanceNodes,
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wrapClass
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} = (0, _decorators.buildDecoratedClass)(ref, path, elements, this.file));
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} else {
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keysNodes = (0, _misc.extractComputedKeys)(ref, path, computedPaths, this.file);
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({
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staticNodes,
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pureStaticNodes,
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instanceNodes,
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wrapClass
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} = (0, _fields.buildFieldsInitNodes)(ref, path.node.superClass, props, privateNamesMap, state, setPublicClassFields != null ? setPublicClassFields : loose, privateFieldsAsProperties != null ? privateFieldsAsProperties : loose, constantSuper != null ? constantSuper : loose));
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}
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if (instanceNodes.length > 0) {
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(0, _misc.injectInitialization)(path, constructor, instanceNodes, (referenceVisitor, state) => {
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if (isDecorated) return;
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for (const prop of props) {
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if (prop.node.static) continue;
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prop.traverse(referenceVisitor, state);
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}
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});
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}
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path = wrapClass(path);
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path.insertBefore([...privateNamesNodes, ...keysNodes]);
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if (staticNodes.length > 0) {
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path.insertAfter(staticNodes);
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}
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if (pureStaticNodes.length > 0) {
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path.find(parent => parent.isStatement() || parent.isDeclaration()).insertAfter(pureStaticNodes);
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}
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},
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PrivateName(path) {
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if (this.file.get(versionKey) !== version || path.parentPath.isPrivate({
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key: path.node
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})) {
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return;
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}
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throw path.buildCodeFrameError(`Unknown PrivateName "${path}"`);
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},
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ExportDefaultDeclaration(path) {
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if (this.file.get(versionKey) !== version) return;
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const decl = path.get("declaration");
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if (decl.isClassDeclaration() && (0, _decorators.hasDecorators)(decl.node)) {
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if (decl.node.id) {
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(0, _helperSplitExportDeclaration.default)(path);
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} else {
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decl.node.type = "ClassExpression";
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}
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}
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}
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}
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};
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} |