prepack/lib/debugger/server/PerFileBreakpointMap.js

Execute a JS bundle, serialize global state and side effects to a snapshot that can be quickly restored.

"use strict";

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

var _Breakpoint = require("./Breakpoint.js");

// Storage for all the breakpoints in one source file
// Each source file will be associated with one PerFileBreakpointMap
class PerFileBreakpointMap {
  constructor(filePath) {
    this._filePath = filePath;
    this._breakpoints = new Map();
  }

  //map of line:column to Breakpoint objects


  addBreakpoint(line, column = 0, temporary, enabled) {
    let breakpoint = new _Breakpoint.Breakpoint(this._filePath, line, column, temporary, enabled);
    let key = this._getKey(line, column);
    this._breakpoints.set(key, breakpoint);
  }

  getBreakpoint(line, column = 0) {
    //check for a column breakpoint first, then line breakpoint
    if (column !== 0) {
      let key = this._getKey(line, column);
      if (this._breakpoints.has(key)) {
        return this._breakpoints.get(key);
      } else {
        key = this._getKey(line, 0);
        if (this._breakpoints.has(key)) {
          return this._breakpoints.get(key);
        }
      }
    } else {
      let key = this._getKey(line, 0);
      if (this._breakpoints.has(key)) {
        return this._breakpoints.get(key);
      }
    }

    return undefined;
  }

  removeBreakpoint(line, column = 0) {
    let key = this._getKey(line, column);
    if (this._breakpoints.has(key)) {
      this._breakpoints.delete(key);
    }
  }

  enableBreakpoint(line, column = 0) {
    let key = this._getKey(line, column);
    let breakpoint = this._breakpoints.get(key);
    if (breakpoint) breakpoint.enabled = true;
  }

  disableBreakpoint(line, column = 0) {
    let key = this._getKey(line, column);
    let breakpoint = this._breakpoints.get(key);
    if (breakpoint) breakpoint.enabled = false;
  }

  _getKey(line, column) {
    return `${line}:${column}`;
  }
}
exports.PerFileBreakpointMap = PerFileBreakpointMap; /**
                                                      * Copyright (c) 2017-present, Facebook, Inc.
                                                      * All rights reserved.
                                                      *
                                                      * This source code is licensed under the BSD-style license found in the
                                                      * LICENSE file in the root directory of this source tree. An additional grant
                                                      * of patent rights can be found in the PATENTS file in the same directory.
                                                      */
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