aswi2020vldc-gitlab/templetes/node_modules/babel-helper-builder-react-jsx/lib/index.js @ 3a515b92

"use strict";

exports.__esModule = true;

exports.default = function (opts) {
  var visitor = {};

  visitor.JSXNamespacedName = function (path) {
    throw path.buildCodeFrameError("Namespace tags are not supported. ReactJSX is not XML.");
  };

  visitor.JSXElement = {
    exit: function exit(path, file) {
      var callExpr = buildElementCall(path.get("openingElement"), file);

      callExpr.arguments = callExpr.arguments.concat(path.node.children);

      if (callExpr.arguments.length >= 3) {
        callExpr._prettyCall = true;
      }

      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 (_esutils2.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));
    }

    return node;
  }

  function convertAttributeValue(node) {
    if (t.isJSXExpressionContainer(node)) {
      return node.expression;
    } else {
      return node;
    }
  }

  function convertAttribute(node) {
    var value = convertAttributeValue(node.value || t.booleanLiteral(true));

    if (t.isStringLiteral(value) && !t.isJSXExpressionContainer(node.value)) {
      value.value = value.value.replace(/\n\s+/g, " ");
    }

    if (t.isValidIdentifier(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) {
    path.parent.children = t.react.buildChildren(path.parent);

    var tagExpr = convertJSXIdentifier(path.node.name, path.node);
    var args = [];

    var tagName = void 0;
    if (t.isIdentifier(tagExpr)) {
      tagName = tagExpr.name;
    } else if (t.isLiteral(tagExpr)) {
      tagName = tagExpr.value;
    }

    var state = {
      tagExpr: tagExpr,
      tagName: tagName,
      args: args
    };

    if (opts.pre) {
      opts.pre(state, file);
    }

    var attribs = path.node.attributes;
    if (attribs.length) {
      attribs = buildOpeningElementAttributes(attribs, file);
    } else {
      attribs = t.nullLiteral();
    }

    args.push(attribs);

    if (opts.post) {
      opts.post(state, file);
    }

    return state.call || t.callExpression(state.callee, args);
  }

  function buildOpeningElementAttributes(attribs, file) {
    var _props = [];
    var objs = [];

    var 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)");
    }

    function pushProps() {
      if (!_props.length) return;

      objs.push(t.objectExpression(_props));
      _props = [];
    }

    while (attribs.length) {
      var prop = attribs.shift();
      if (t.isJSXSpreadAttribute(prop)) {
        pushProps();
        objs.push(prop.argument);
      } else {
        _props.push(convertAttribute(prop));
      }
    }

    pushProps();

    if (objs.length === 1) {
      attribs = objs[0];
    } else {
      if (!t.isObjectExpression(objs[0])) {
        objs.unshift(t.objectExpression([]));
      }

      var helper = useBuiltIns ? t.memberExpression(t.identifier("Object"), t.identifier("assign")) : file.addHelper("extends");

      attribs = t.callExpression(helper, objs);
    }

    return attribs;
  }
};

var _esutils = require("esutils");

var _esutils2 = _interopRequireDefault(_esutils);

var _babelTypes = require("babel-types");

var t = _interopRequireWildcard(_babelTypes);

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; } }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

module.exports = exports["default"];