@adobe/htlengine/src/parser/plugins/TextPlugin.js

Javascript Based HTL (Sightly) parser

/*
 * Copyright 2018 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

const Plugin = require('../html/Plugin');
const VariableBinding = require('../commands/VariableBinding');
const OutputVariable = require('../commands/OutputVariable');
const ExpressionContext = require('../html/ExpressionContext');
const MarkupContext = require('../html/MarkupContext');

module.exports = class TextPlugin extends Plugin {
  beforeChildren(stream) {
    const ctx = this.pluginContext;
    const variable = ctx.generateVariable('textContent');
    stream.write(new VariableBinding.Start(
      variable,
      ctx.adjustToContext(this.expression, MarkupContext.TEXT, ExpressionContext.TEXT).root,
    ));
    stream.write(new OutputVariable(variable));
    stream.write(VariableBinding.END);
    stream.beginIgnore();
  }

  // eslint-disable-next-line class-methods-use-this
  afterChildren(stream) {
    stream.endIgnore();
  }
};