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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = _default;
-
- var _esutils = _interopRequireDefault(require("esutils"));
-
- var t = _interopRequireWildcard(require("@babel/types"));
-
- function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
-
- function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- function _default(opts) {
- const visitor = {};
-
- visitor.JSXNamespacedName = function (path) {
- if (opts.throwIfNamespace) {
- throw path.buildCodeFrameError(`Namespace tags are not supported by default. React's JSX doesn't support namespace tags. \
- You can turn on the 'throwIfNamespace' flag to bypass this warning.`);
- }
- };
-
- visitor.JSXSpreadChild = function (path) {
- throw path.buildCodeFrameError("Spread children are not supported in React.");
- };
-
- visitor.JSXElement = {
- exit(path, file) {
- const callExpr = buildElementCall(path, file);
-
- if (callExpr) {
- path.replaceWith(t.inherits(callExpr, path.node));
- }
- }
-
- };
- visitor.JSXFragment = {
- exit(path, file) {
- if (opts.compat) {
- throw path.buildCodeFrameError("Fragment tags are only supported in React 16 and up.");
- }
-
- const callExpr = buildFragmentCall(path, file);
-
- if (callExpr) {
- path.replaceWith(t.inherits(callExpr, path.node));
- }
- }
-
- };
- return visitor;
-
- function convertJSXIdentifier(node, parent) {
- if (t.isJSXIdentifier(node)) {
- if (node.name === "this" && t.isReferenced(node, parent)) {
- return t.thisExpression();
- } else if (_esutils.default.keyword.isIdentifierNameES6(node.name)) {
- node.type = "Identifier";
- } else {
- return t.stringLiteral(node.name);
- }
- } else if (t.isJSXMemberExpression(node)) {
- return t.memberExpression(convertJSXIdentifier(node.object, node), convertJSXIdentifier(node.property, node));
- } else if (t.isJSXNamespacedName(node)) {
- return t.stringLiteral(`${node.namespace.name}:${node.name.name}`);
- }
-
- return node;
- }
-
- function convertAttributeValue(node) {
- if (t.isJSXExpressionContainer(node)) {
- return node.expression;
- } else {
- return node;
- }
- }
-
- function convertAttribute(node) {
- const value = convertAttributeValue(node.value || t.booleanLiteral(true));
-
- if (t.isJSXSpreadAttribute(node)) {
- return t.spreadElement(node.argument);
- }
-
- if (t.isStringLiteral(value) && !t.isJSXExpressionContainer(node.value)) {
- var _value$extra;
-
- value.value = value.value.replace(/\n\s+/g, " ");
- (_value$extra = value.extra) === null || _value$extra === void 0 ? void 0 : delete _value$extra.raw;
- }
-
- if (t.isJSXNamespacedName(node.name)) {
- node.name = t.stringLiteral(node.name.namespace.name + ":" + node.name.name.name);
- } else if (_esutils.default.keyword.isIdentifierNameES6(node.name.name)) {
- node.name.type = "Identifier";
- } else {
- node.name = t.stringLiteral(node.name.name);
- }
-
- return t.inherits(t.objectProperty(node.name, value), node);
- }
-
- function buildElementCall(path, file) {
- if (opts.filter && !opts.filter(path.node, file)) return;
- const openingPath = path.get("openingElement");
- openingPath.parent.children = t.react.buildChildren(openingPath.parent);
- const tagExpr = convertJSXIdentifier(openingPath.node.name, openingPath.node);
- const args = [];
- let tagName;
-
- if (t.isIdentifier(tagExpr)) {
- tagName = tagExpr.name;
- } else if (t.isLiteral(tagExpr)) {
- tagName = tagExpr.value;
- }
-
- const state = {
- tagExpr: tagExpr,
- tagName: tagName,
- args: args
- };
-
- if (opts.pre) {
- opts.pre(state, file);
- }
-
- let attribs = openingPath.node.attributes;
-
- if (attribs.length) {
- attribs = buildOpeningElementAttributes(attribs, file);
- } else {
- attribs = t.nullLiteral();
- }
-
- args.push(attribs, ...path.node.children);
-
- if (opts.post) {
- opts.post(state, file);
- }
-
- return state.call || t.callExpression(state.callee, args);
- }
-
- function pushProps(_props, objs) {
- if (!_props.length) return _props;
- objs.push(t.objectExpression(_props));
- return [];
- }
-
- function buildOpeningElementAttributes(attribs, file) {
- let _props = [];
- const objs = [];
- const {
- useSpread = false
- } = file.opts;
-
- if (typeof useSpread !== "boolean") {
- throw new Error("transform-react-jsx currently only accepts a boolean option for " + "useSpread (defaults to false)");
- }
-
- const useBuiltIns = file.opts.useBuiltIns || false;
-
- if (typeof useBuiltIns !== "boolean") {
- throw new Error("transform-react-jsx currently only accepts a boolean option for " + "useBuiltIns (defaults to false)");
- }
-
- if (useSpread && useBuiltIns) {
- throw new Error("transform-react-jsx currently only accepts useBuiltIns or useSpread " + "but not both");
- }
-
- if (useSpread) {
- const props = attribs.map(convertAttribute);
- return t.objectExpression(props);
- }
-
- while (attribs.length) {
- const prop = attribs.shift();
-
- if (t.isJSXSpreadAttribute(prop)) {
- _props = pushProps(_props, objs);
- objs.push(prop.argument);
- } else {
- _props.push(convertAttribute(prop));
- }
- }
-
- pushProps(_props, objs);
-
- if (objs.length === 1) {
- attribs = objs[0];
- } else {
- if (!t.isObjectExpression(objs[0])) {
- objs.unshift(t.objectExpression([]));
- }
-
- const helper = useBuiltIns ? t.memberExpression(t.identifier("Object"), t.identifier("assign")) : file.addHelper("extends");
- attribs = t.callExpression(helper, objs);
- }
-
- return attribs;
- }
-
- function buildFragmentCall(path, file) {
- if (opts.filter && !opts.filter(path.node, file)) return;
- const openingPath = path.get("openingElement");
- openingPath.parent.children = t.react.buildChildren(openingPath.parent);
- const args = [];
- const tagName = null;
- const tagExpr = file.get("jsxFragIdentifier")();
- const state = {
- tagExpr: tagExpr,
- tagName: tagName,
- args: args
- };
-
- if (opts.pre) {
- opts.pre(state, file);
- }
-
- args.push(t.nullLiteral(), ...path.node.children);
-
- if (opts.post) {
- opts.post(state, file);
- }
-
- file.set("usedFragment", true);
- return state.call || t.callExpression(state.callee, args);
- }
- }
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