chrome-devtools-frontend/front_end/sdk/CompilerSourceMappingContentProvider.js

Chrome DevTools UI

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import * as Common from '../common/common.js';  // eslint-disable-line no-unused-vars
import {ls} from '../platform/platform.js';
import * as TextUtils from '../text_utils/text_utils.js';

import {PageResourceLoader, PageResourceLoadInitiator} from './PageResourceLoader.js';  // eslint-disable-line no-unused-vars

/**
 * @implements {TextUtils.ContentProvider.ContentProvider}
 */
export class CompilerSourceMappingContentProvider {
  /**
   * @param {string} sourceURL
   * @param {!Common.ResourceType.ResourceType} contentType
   * @param {!PageResourceLoadInitiator} initiator
   */
  constructor(sourceURL, contentType, initiator) {
    this._sourceURL = sourceURL;
    this._contentType = contentType;
    this._initiator = initiator;
  }

  /**
   * @override
   * @return {string}
   */
  contentURL() {
    return this._sourceURL;
  }

  /**
   * @override
   * @return {!Common.ResourceType.ResourceType}
   */
  contentType() {
    return this._contentType;
  }

  /**
   * @override
   * @return {!Promise<boolean>}
   */
  async contentEncoded() {
    return false;
  }

  /**
   * @override
   * @return {!Promise<!TextUtils.ContentProvider.DeferredContent>}
   */
  async requestContent() {
    try {
      const {content} = await PageResourceLoader.instance().loadResource(this._sourceURL, this._initiator);
      return {content, isEncoded: false};
    } catch (e) {
      const error = ls`Could not load content for ${this._sourceURL} (${e.message})`;
      console.error(error);
      return {content: null, error, isEncoded: false};
    }
  }

  /**
   * @override
   * @param {string} query
   * @param {boolean} caseSensitive
   * @param {boolean} isRegex
   * @return {!Promise<!Array<!TextUtils.ContentProvider.SearchMatch>>}
   */
  async searchInContent(query, caseSensitive, isRegex) {
    const {content} = await this.requestContent();
    if (typeof content !== 'string') {
      return [];
    }
    return TextUtils.TextUtils.performSearchInContent(content, query, caseSensitive, isRegex);
  }
}