@areslabs/alita-core/lib/tran/literalTemplate.js

alita-core

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = literalTemplate;

var _ErrorLogTraverse = _interopRequireDefault(require("../util/ErrorLogTraverse"));

var t = _interopRequireWildcard(require("@babel/types"));

var _uast = require("../util/uast");

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; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; 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 }; }

/**
 * Copyright (c) Areslabs.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

/**
 * <Text>
 *     <template is="child" data="{{datakey}}"/>
 * </Text>
 *
 * 直接转化为：
 *
 * <Text>
 *     {{datakey}}
 * </Text>
 *
 * @param ast
 * @param info
 * @returns {*}
 */
function literalTemplate(ast, info) {
  (0, _ErrorLogTraverse.default)(ast, {
    exit: path => {
      if (path.type === 'JSXElement' && (0, _uast.isTextElement)(path.node.openingElement)) {
        const children = path.node.children;
        path.node.children = children.map(item => {
          if (item.type === 'JSXElement' && item.openingElement.name.name === 'template') {
            let datakey = null;
            item.openingElement.attributes.forEach(attr => {
              if (attr.type === 'JSXAttribute' && attr.name.name === 'datakey') {
                datakey = attr.value.value;
              }
            });
            return t.jsxText(`{{${datakey}}}`);
          } else {
            return item;
          }
        });
      }
    }
  });
  return ast;
}