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516 lines
20 KiB
516 lines
20 KiB
3 years ago
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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 = createPlugin;
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var _pluginSyntaxJsx = require("@babel/plugin-syntax-jsx");
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var _helperPluginUtils = require("@babel/helper-plugin-utils");
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var _core = require("@babel/core");
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var _helperModuleImports = require("@babel/helper-module-imports");
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var _helperAnnotateAsPure = require("@babel/helper-annotate-as-pure");
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const DEFAULT = {
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importSource: "react",
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runtime: "automatic",
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pragma: "React.createElement",
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pragmaFrag: "React.Fragment"
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};
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const JSX_SOURCE_ANNOTATION_REGEX = /^\s*\*?\s*@jsxImportSource\s+([^\s]+)\s*$/m;
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const JSX_RUNTIME_ANNOTATION_REGEX = /^\s*\*?\s*@jsxRuntime\s+([^\s]+)\s*$/m;
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const JSX_ANNOTATION_REGEX = /^\s*\*?\s*@jsx\s+([^\s]+)\s*$/m;
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const JSX_FRAG_ANNOTATION_REGEX = /^\s*\*?\s*@jsxFrag\s+([^\s]+)\s*$/m;
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const get = (pass, name) => pass.get(`@babel/plugin-react-jsx/${name}`);
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const set = (pass, name, v) => pass.set(`@babel/plugin-react-jsx/${name}`, v);
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function hasProto(node) {
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return node.properties.some(value => _core.types.isObjectProperty(value, {
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computed: false,
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shorthand: false
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}) && (_core.types.isIdentifier(value.key, {
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name: "__proto__"
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}) || _core.types.isStringLiteral(value.key, {
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value: "__proto__"
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})));
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}
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function createPlugin({
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name,
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development
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}) {
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return (0, _helperPluginUtils.declare)((_, options) => {
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const {
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pure: PURE_ANNOTATION,
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throwIfNamespace = true,
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runtime: RUNTIME_DEFAULT = development ? "automatic" : "classic",
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importSource: IMPORT_SOURCE_DEFAULT = DEFAULT.importSource,
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pragma: PRAGMA_DEFAULT = DEFAULT.pragma,
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pragmaFrag: PRAGMA_FRAG_DEFAULT = DEFAULT.pragmaFrag
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} = options;
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{
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var {
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useSpread = false,
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useBuiltIns = false
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} = options;
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if (RUNTIME_DEFAULT === "classic") {
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if (typeof useSpread !== "boolean") {
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throw new Error("transform-react-jsx currently only accepts a boolean option for " + "useSpread (defaults to false)");
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}
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if (typeof useBuiltIns !== "boolean") {
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throw new Error("transform-react-jsx currently only accepts a boolean option for " + "useBuiltIns (defaults to false)");
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}
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if (useSpread && useBuiltIns) {
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throw new Error("transform-react-jsx currently only accepts useBuiltIns or useSpread " + "but not both");
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}
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}
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}
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const injectMetaPropertiesVisitor = {
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JSXOpeningElement(path, state) {
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const attributes = [];
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if (isThisAllowed(path.scope)) {
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attributes.push(_core.types.jsxAttribute(_core.types.jsxIdentifier("__self"), _core.types.jsxExpressionContainer(_core.types.thisExpression())));
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}
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attributes.push(_core.types.jsxAttribute(_core.types.jsxIdentifier("__source"), _core.types.jsxExpressionContainer(makeSource(path, state))));
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path.pushContainer("attributes", attributes);
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}
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};
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return {
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name,
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inherits: _pluginSyntaxJsx.default,
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visitor: {
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JSXNamespacedName(path) {
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if (throwIfNamespace) {
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throw path.buildCodeFrameError(`Namespace tags are not supported by default. React's JSX doesn't support namespace tags. \
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You can set \`throwIfNamespace: false\` to bypass this warning.`);
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}
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},
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JSXSpreadChild(path) {
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throw path.buildCodeFrameError("Spread children are not supported in React.");
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},
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Program: {
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enter(path, state) {
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const {
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file
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} = state;
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let runtime = RUNTIME_DEFAULT;
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let source = IMPORT_SOURCE_DEFAULT;
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let pragma = PRAGMA_DEFAULT;
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let pragmaFrag = PRAGMA_FRAG_DEFAULT;
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let sourceSet = !!options.importSource;
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let pragmaSet = !!options.pragma;
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let pragmaFragSet = !!options.pragmaFrag;
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if (file.ast.comments) {
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for (const comment of file.ast.comments) {
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const sourceMatches = JSX_SOURCE_ANNOTATION_REGEX.exec(comment.value);
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if (sourceMatches) {
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source = sourceMatches[1];
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sourceSet = true;
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}
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const runtimeMatches = JSX_RUNTIME_ANNOTATION_REGEX.exec(comment.value);
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if (runtimeMatches) {
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runtime = runtimeMatches[1];
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}
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const jsxMatches = JSX_ANNOTATION_REGEX.exec(comment.value);
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if (jsxMatches) {
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pragma = jsxMatches[1];
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pragmaSet = true;
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}
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const jsxFragMatches = JSX_FRAG_ANNOTATION_REGEX.exec(comment.value);
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if (jsxFragMatches) {
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pragmaFrag = jsxFragMatches[1];
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pragmaFragSet = true;
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}
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}
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}
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set(state, "runtime", runtime);
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if (runtime === "classic") {
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if (sourceSet) {
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throw path.buildCodeFrameError(`importSource cannot be set when runtime is classic.`);
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}
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const createElement = toMemberExpression(pragma);
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const fragment = toMemberExpression(pragmaFrag);
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set(state, "id/createElement", () => _core.types.cloneNode(createElement));
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set(state, "id/fragment", () => _core.types.cloneNode(fragment));
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set(state, "defaultPure", pragma === DEFAULT.pragma);
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} else if (runtime === "automatic") {
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if (pragmaSet || pragmaFragSet) {
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throw path.buildCodeFrameError(`pragma and pragmaFrag cannot be set when runtime is automatic.`);
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}
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const define = (name, id) => set(state, name, createImportLazily(state, path, id, source));
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define("id/jsx", development ? "jsxDEV" : "jsx");
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define("id/jsxs", development ? "jsxDEV" : "jsxs");
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define("id/createElement", "createElement");
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define("id/fragment", "Fragment");
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set(state, "defaultPure", source === DEFAULT.importSource);
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} else {
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throw path.buildCodeFrameError(`Runtime must be either "classic" or "automatic".`);
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}
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if (development) {
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path.traverse(injectMetaPropertiesVisitor, state);
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}
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}
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},
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JSXFragment(path, file) {
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const frag = memberExpressionToJSX(get(file, "id/fragment")());
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path.replaceWith(_core.types.inherits(_core.types.jsxElement(_core.types.inherits(_core.types.jsxOpeningElement(frag, []), path.node.openingFragment), _core.types.jsxClosingElement(_core.types.cloneNode(frag)), path.node.children), path.node));
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},
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JSXElement: {
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exit(path, file) {
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let callExpr;
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if (get(file, "runtime") === "classic" || shouldUseCreateElement(path)) {
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callExpr = buildCreateElementCall(path, file);
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} else {
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callExpr = buildJSXElementCall(path, file);
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}
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path.replaceWith(_core.types.inherits(callExpr, path.node));
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}
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},
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JSXAttribute(path) {
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if (_core.types.isJSXElement(path.node.value)) {
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path.node.value = _core.types.jsxExpressionContainer(path.node.value);
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}
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}
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}
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};
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function isDerivedClass(classPath) {
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return classPath.node.superClass !== null;
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}
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function isThisAllowed(scope) {
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do {
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const {
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path
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} = scope;
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if (path.isFunctionParent() && !path.isArrowFunctionExpression()) {
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if (!path.isMethod()) {
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return true;
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}
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if (path.node.kind !== "constructor") {
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return true;
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}
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return !isDerivedClass(path.parentPath.parentPath);
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}
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if (path.isTSModuleBlock()) {
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return false;
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}
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} while (scope = scope.parent);
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return true;
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}
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function call(pass, name, args) {
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const node = _core.types.callExpression(get(pass, `id/${name}`)(), args);
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if (PURE_ANNOTATION != null ? PURE_ANNOTATION : get(pass, "defaultPure")) (0, _helperAnnotateAsPure.default)(node);
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return node;
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}
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function shouldUseCreateElement(path) {
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const openingPath = path.get("openingElement");
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const attributes = openingPath.node.attributes;
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let seenPropsSpread = false;
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for (let i = 0; i < attributes.length; i++) {
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const attr = attributes[i];
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if (seenPropsSpread && _core.types.isJSXAttribute(attr) && attr.name.name === "key") {
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return true;
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} else if (_core.types.isJSXSpreadAttribute(attr)) {
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seenPropsSpread = true;
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}
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}
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return false;
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}
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function convertJSXIdentifier(node, parent) {
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if (_core.types.isJSXIdentifier(node)) {
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if (node.name === "this" && _core.types.isReferenced(node, parent)) {
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return _core.types.thisExpression();
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} else if (_core.types.isValidIdentifier(node.name, false)) {
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node.type = "Identifier";
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return node;
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} else {
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return _core.types.stringLiteral(node.name);
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}
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} else if (_core.types.isJSXMemberExpression(node)) {
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return _core.types.memberExpression(convertJSXIdentifier(node.object, node), convertJSXIdentifier(node.property, node));
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} else if (_core.types.isJSXNamespacedName(node)) {
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return _core.types.stringLiteral(`${node.namespace.name}:${node.name.name}`);
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}
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return node;
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}
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function convertAttributeValue(node) {
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if (_core.types.isJSXExpressionContainer(node)) {
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return node.expression;
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} else {
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return node;
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}
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}
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function accumulateAttribute(array, attribute) {
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if (_core.types.isJSXSpreadAttribute(attribute.node)) {
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const arg = attribute.node.argument;
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if (_core.types.isObjectExpression(arg) && !hasProto(arg)) {
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array.push(...arg.properties);
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} else {
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array.push(_core.types.spreadElement(arg));
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}
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return array;
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}
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const value = convertAttributeValue(attribute.node.name.name !== "key" ? attribute.node.value || _core.types.booleanLiteral(true) : attribute.node.value);
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if (attribute.node.name.name === "key" && value === null) {
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throw attribute.buildCodeFrameError('Please provide an explicit key value. Using "key" as a shorthand for "key={true}" is not allowed.');
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}
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if (_core.types.isStringLiteral(value) && !_core.types.isJSXExpressionContainer(attribute.node.value)) {
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var _value$extra;
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value.value = value.value.replace(/\n\s+/g, " ");
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(_value$extra = value.extra) == null ? true : delete _value$extra.raw;
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}
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if (_core.types.isJSXNamespacedName(attribute.node.name)) {
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attribute.node.name = _core.types.stringLiteral(attribute.node.name.namespace.name + ":" + attribute.node.name.name.name);
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} else if (_core.types.isValidIdentifier(attribute.node.name.name, false)) {
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attribute.node.name.type = "Identifier";
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} else {
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attribute.node.name = _core.types.stringLiteral(attribute.node.name.name);
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}
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array.push(_core.types.inherits(_core.types.objectProperty(
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attribute.node.name, value), attribute.node));
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return array;
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}
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function buildChildrenProperty(children) {
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let childrenNode;
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if (children.length === 1) {
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childrenNode = children[0];
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} else if (children.length > 1) {
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childrenNode = _core.types.arrayExpression(children);
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} else {
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return undefined;
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}
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return _core.types.objectProperty(_core.types.identifier("children"), childrenNode);
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}
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function buildJSXElementCall(path, file) {
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const openingPath = path.get("openingElement");
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const args = [getTag(openingPath)];
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const attribsArray = [];
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const extracted = Object.create(null);
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for (const attr of openingPath.get("attributes")) {
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if (attr.isJSXAttribute() && _core.types.isJSXIdentifier(attr.node.name)) {
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const {
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name
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} = attr.node.name;
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switch (name) {
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case "__source":
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case "__self":
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if (extracted[name]) throw sourceSelfError(path, name);
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case "key":
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{
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const keyValue = convertAttributeValue(attr.node.value);
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if (keyValue === null) {
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throw attr.buildCodeFrameError('Please provide an explicit key value. Using "key" as a shorthand for "key={true}" is not allowed.');
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}
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extracted[name] = keyValue;
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break;
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}
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default:
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attribsArray.push(attr);
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}
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} else {
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attribsArray.push(attr);
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}
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}
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const children = _core.types.react.buildChildren(path.node);
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let attribs;
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if (attribsArray.length || children.length) {
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attribs = buildJSXOpeningElementAttributes(attribsArray,
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children);
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} else {
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attribs = _core.types.objectExpression([]);
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}
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args.push(attribs);
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if (development) {
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var _extracted$key;
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args.push((_extracted$key = extracted.key) != null ? _extracted$key : path.scope.buildUndefinedNode(), _core.types.booleanLiteral(children.length > 1));
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if (extracted.__source) {
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args.push(extracted.__source);
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if (extracted.__self) args.push(extracted.__self);
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||
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} else if (extracted.__self) {
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args.push(path.scope.buildUndefinedNode(), extracted.__self);
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}
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} else if (extracted.key !== undefined) {
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args.push(extracted.key);
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}
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return call(file, children.length > 1 ? "jsxs" : "jsx", args);
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}
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|
|
function buildJSXOpeningElementAttributes(attribs, children) {
|
||
|
|
const props = attribs.reduce(accumulateAttribute, []);
|
||
|
|
|
||
|
|
if ((children == null ? void 0 : children.length) > 0) {
|
||
|
|
props.push(buildChildrenProperty(children));
|
||
|
|
}
|
||
|
|
return _core.types.objectExpression(props);
|
||
|
|
}
|
||
|
|
|
||
|
|
function buildCreateElementCall(path, file) {
|
||
|
|
const openingPath = path.get("openingElement");
|
||
|
|
return call(file, "createElement", [getTag(openingPath), buildCreateElementOpeningElementAttributes(file, path, openingPath.get("attributes")),
|
||
|
|
..._core.types.react.buildChildren(path.node)]);
|
||
|
|
}
|
||
|
|
function getTag(openingPath) {
|
||
|
|
const tagExpr = convertJSXIdentifier(openingPath.node.name, openingPath.node);
|
||
|
|
let tagName;
|
||
|
|
if (_core.types.isIdentifier(tagExpr)) {
|
||
|
|
tagName = tagExpr.name;
|
||
|
|
} else if (_core.types.isStringLiteral(tagExpr)) {
|
||
|
|
tagName = tagExpr.value;
|
||
|
|
}
|
||
|
|
if (_core.types.react.isCompatTag(tagName)) {
|
||
|
|
return _core.types.stringLiteral(tagName);
|
||
|
|
} else {
|
||
|
|
return tagExpr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function buildCreateElementOpeningElementAttributes(file, path, attribs) {
|
||
|
|
const runtime = get(file, "runtime");
|
||
|
|
{
|
||
|
|
if (runtime !== "automatic") {
|
||
|
|
const objs = [];
|
||
|
|
const props = attribs.reduce(accumulateAttribute, []);
|
||
|
|
if (!useSpread) {
|
||
|
|
let start = 0;
|
||
|
|
props.forEach((prop, i) => {
|
||
|
|
if (_core.types.isSpreadElement(prop)) {
|
||
|
|
if (i > start) {
|
||
|
|
objs.push(_core.types.objectExpression(props.slice(start, i)));
|
||
|
|
}
|
||
|
|
objs.push(prop.argument);
|
||
|
|
start = i + 1;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
if (props.length > start) {
|
||
|
|
objs.push(_core.types.objectExpression(props.slice(start)));
|
||
|
|
}
|
||
|
|
} else if (props.length) {
|
||
|
|
objs.push(_core.types.objectExpression(props));
|
||
|
|
}
|
||
|
|
if (!objs.length) {
|
||
|
|
return _core.types.nullLiteral();
|
||
|
|
}
|
||
|
|
if (objs.length === 1) {
|
||
|
|
if (!(_core.types.isSpreadElement(props[0]) &&
|
||
|
|
_core.types.isObjectExpression(props[0].argument))) {
|
||
|
|
return objs[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!_core.types.isObjectExpression(objs[0])) {
|
||
|
|
objs.unshift(_core.types.objectExpression([]));
|
||
|
|
}
|
||
|
|
const helper = useBuiltIns ? _core.types.memberExpression(_core.types.identifier("Object"), _core.types.identifier("assign")) : file.addHelper("extends");
|
||
|
|
|
||
|
|
return _core.types.callExpression(helper, objs);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const props = [];
|
||
|
|
const found = Object.create(null);
|
||
|
|
for (const attr of attribs) {
|
||
|
|
const name = _core.types.isJSXAttribute(attr) && _core.types.isJSXIdentifier(attr.name) && attr.name.name;
|
||
|
|
if (runtime === "automatic" && (name === "__source" || name === "__self")) {
|
||
|
|
if (found[name]) throw sourceSelfError(path, name);
|
||
|
|
found[name] = true;
|
||
|
|
}
|
||
|
|
accumulateAttribute(props, attr);
|
||
|
|
}
|
||
|
|
return props.length === 1 && _core.types.isSpreadElement(props[0]) &&
|
||
|
|
!_core.types.isObjectExpression(props[0].argument) ? props[0].argument : props.length > 0 ? _core.types.objectExpression(props) : _core.types.nullLiteral();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
function getSource(source, importName) {
|
||
|
|
switch (importName) {
|
||
|
|
case "Fragment":
|
||
|
|
return `${source}/${development ? "jsx-dev-runtime" : "jsx-runtime"}`;
|
||
|
|
case "jsxDEV":
|
||
|
|
return `${source}/jsx-dev-runtime`;
|
||
|
|
case "jsx":
|
||
|
|
case "jsxs":
|
||
|
|
return `${source}/jsx-runtime`;
|
||
|
|
case "createElement":
|
||
|
|
return source;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function createImportLazily(pass, path, importName, source) {
|
||
|
|
return () => {
|
||
|
|
const actualSource = getSource(source, importName);
|
||
|
|
if ((0, _helperModuleImports.isModule)(path)) {
|
||
|
|
let reference = get(pass, `imports/${importName}`);
|
||
|
|
if (reference) return _core.types.cloneNode(reference);
|
||
|
|
reference = (0, _helperModuleImports.addNamed)(path, importName, actualSource, {
|
||
|
|
importedInterop: "uncompiled",
|
||
|
|
importPosition: "after"
|
||
|
|
});
|
||
|
|
set(pass, `imports/${importName}`, reference);
|
||
|
|
return reference;
|
||
|
|
} else {
|
||
|
|
let reference = get(pass, `requires/${actualSource}`);
|
||
|
|
if (reference) {
|
||
|
|
reference = _core.types.cloneNode(reference);
|
||
|
|
} else {
|
||
|
|
reference = (0, _helperModuleImports.addNamespace)(path, actualSource, {
|
||
|
|
importedInterop: "uncompiled"
|
||
|
|
});
|
||
|
|
set(pass, `requires/${actualSource}`, reference);
|
||
|
|
}
|
||
|
|
return _core.types.memberExpression(reference, _core.types.identifier(importName));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function toMemberExpression(id) {
|
||
|
|
return id.split(".").map(name => _core.types.identifier(name))
|
||
|
|
.reduce((object, property) => _core.types.memberExpression(object, property));
|
||
|
|
}
|
||
|
|
function memberExpressionToJSX(expr) {
|
||
|
|
switch (expr.type) {
|
||
|
|
case "Identifier":
|
||
|
|
return _core.types.jsxIdentifier(expr.name);
|
||
|
|
case "MemberExpression":
|
||
|
|
return _core.types.jsxMemberExpression(memberExpressionToJSX(expr.object), memberExpressionToJSX(expr.property));
|
||
|
|
default:
|
||
|
|
throw new Error("Internal error: unknown member expression type");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function makeSource(path, state) {
|
||
|
|
const location = path.node.loc;
|
||
|
|
if (!location) {
|
||
|
|
return path.scope.buildUndefinedNode();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!state.fileNameIdentifier) {
|
||
|
|
const {
|
||
|
|
filename = ""
|
||
|
|
} = state;
|
||
|
|
const fileNameIdentifier = path.scope.generateUidIdentifier("_jsxFileName");
|
||
|
|
path.scope.getProgramParent().push({
|
||
|
|
id: fileNameIdentifier,
|
||
|
|
init: _core.types.stringLiteral(filename)
|
||
|
|
});
|
||
|
|
state.fileNameIdentifier = fileNameIdentifier;
|
||
|
|
}
|
||
|
|
return makeTrace(_core.types.cloneNode(
|
||
|
|
state.fileNameIdentifier), location.start.line, location.start.column);
|
||
|
|
}
|
||
|
|
function makeTrace(fileNameIdentifier, lineNumber, column0Based) {
|
||
|
|
const fileLineLiteral = lineNumber != null ? _core.types.numericLiteral(lineNumber) : _core.types.nullLiteral();
|
||
|
|
const fileColumnLiteral = column0Based != null ? _core.types.numericLiteral(column0Based + 1) : _core.types.nullLiteral();
|
||
|
|
return _core.template.expression.ast`{
|
||
|
|
fileName: ${fileNameIdentifier},
|
||
|
|
lineNumber: ${fileLineLiteral},
|
||
|
|
columnNumber: ${fileColumnLiteral},
|
||
|
|
}`;
|
||
|
|
}
|
||
|
|
function sourceSelfError(path, name) {
|
||
|
|
const pluginName = `transform-react-jsx-${name.slice(2)}`;
|
||
|
|
return path.buildCodeFrameError(`Duplicate ${name} prop found. You are most likely using the deprecated ${pluginName} Babel plugin. Both __source and __self are automatically set when using the automatic runtime. Please remove transform-react-jsx-source and transform-react-jsx-self from your Babel config.`);
|
||
|
|
}
|
||
|
|
|
||
|
|
//# sourceMappingURL=create-plugin.js.map
|