163 lines
4.2 KiB
JavaScript
163 lines
4.2 KiB
JavaScript
"use strict";
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exports.__esModule = true;
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exports.default = function (opts) {
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var visitor = {};
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visitor.JSXNamespacedName = function (path) {
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throw path.buildCodeFrameError("Namespace tags are not supported. ReactJSX is not XML.");
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};
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visitor.JSXElement = {
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exit: function exit(path, file) {
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var callExpr = buildElementCall(path.get("openingElement"), file);
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callExpr.arguments = callExpr.arguments.concat(path.node.children);
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if (callExpr.arguments.length >= 3) {
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callExpr._prettyCall = true;
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}
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path.replaceWith(t.inherits(callExpr, path.node));
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}
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};
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return visitor;
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function convertJSXIdentifier(node, parent) {
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if (t.isJSXIdentifier(node)) {
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if (node.name === "this" && t.isReferenced(node, parent)) {
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return t.thisExpression();
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} else if (_esutils2.default.keyword.isIdentifierNameES6(node.name)) {
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node.type = "Identifier";
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} else {
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return t.stringLiteral(node.name);
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}
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} else if (t.isJSXMemberExpression(node)) {
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return t.memberExpression(convertJSXIdentifier(node.object, node), convertJSXIdentifier(node.property, node));
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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 (t.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 convertAttribute(node) {
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var value = convertAttributeValue(node.value || t.booleanLiteral(true));
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if (t.isStringLiteral(value) && !t.isJSXExpressionContainer(node.value)) {
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value.value = value.value.replace(/\n\s+/g, " ");
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}
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if (t.isValidIdentifier(node.name.name)) {
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node.name.type = "Identifier";
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} else {
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node.name = t.stringLiteral(node.name.name);
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}
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return t.inherits(t.objectProperty(node.name, value), node);
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}
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function buildElementCall(path, file) {
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path.parent.children = t.react.buildChildren(path.parent);
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var tagExpr = convertJSXIdentifier(path.node.name, path.node);
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var args = [];
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var tagName = void 0;
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if (t.isIdentifier(tagExpr)) {
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tagName = tagExpr.name;
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} else if (t.isLiteral(tagExpr)) {
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tagName = tagExpr.value;
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}
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var state = {
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tagExpr: tagExpr,
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tagName: tagName,
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args: args
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};
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if (opts.pre) {
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opts.pre(state, file);
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}
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var attribs = path.node.attributes;
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if (attribs.length) {
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attribs = buildOpeningElementAttributes(attribs, file);
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} else {
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attribs = t.nullLiteral();
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}
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args.push(attribs);
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if (opts.post) {
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opts.post(state, file);
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}
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return state.call || t.callExpression(state.callee, args);
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}
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function buildOpeningElementAttributes(attribs, file) {
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var _props = [];
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var objs = [];
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var useBuiltIns = file.opts.useBuiltIns || false;
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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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function pushProps() {
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if (!_props.length) return;
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objs.push(t.objectExpression(_props));
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_props = [];
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}
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while (attribs.length) {
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var prop = attribs.shift();
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if (t.isJSXSpreadAttribute(prop)) {
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pushProps();
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objs.push(prop.argument);
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} else {
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_props.push(convertAttribute(prop));
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}
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}
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pushProps();
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if (objs.length === 1) {
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attribs = objs[0];
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} else {
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if (!t.isObjectExpression(objs[0])) {
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objs.unshift(t.objectExpression([]));
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}
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var helper = useBuiltIns ? t.memberExpression(t.identifier("Object"), t.identifier("assign")) : file.addHelper("extends");
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attribs = t.callExpression(helper, objs);
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}
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return attribs;
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}
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};
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var _esutils = require("esutils");
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var _esutils2 = _interopRequireDefault(_esutils);
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var _babelTypes = require("babel-types");
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var t = _interopRequireWildcard(_babelTypes);
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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module.exports = exports["default"]; |