yjs/build/browser/Engine.js

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var Engine;

Engine = (function() {
  function Engine(HB, parser) {
    this.HB = HB;
    this.parser = parser;
    this.unprocessed_ops = [];
  }

  Engine.prototype.parseOperation = function(json) {
    var typeParser;
    typeParser = this.parser[json.type];
    if (typeParser != null) {
      return typeParser(json);
    } else {
      throw new Error("You forgot to specify a parser for type " + json.type + ". The message is " + (JSON.stringify(json)) + ".");
    }
  };

  Engine.prototype.applyOpsBundle = function(ops_json) {
    var o, ops, _i, _j, _k, _len, _len1, _len2;
    ops = [];
    for (_i = 0, _len = ops_json.length; _i < _len; _i++) {
      o = ops_json[_i];
      ops.push(this.parseOperation(o));
    }
    for (_j = 0, _len1 = ops.length; _j < _len1; _j++) {
      o = ops[_j];
      this.HB.addOperation(o);
    }
    for (_k = 0, _len2 = ops.length; _k < _len2; _k++) {
      o = ops[_k];
      if (!o.execute()) {
        this.unprocessed_ops.push(o);
      }
    }
    return this.tryUnprocessed();
  };

  Engine.prototype.applyOpsCheckDouble = function(ops_json) {
    var o, _i, _len, _results;
    _results = [];
    for (_i = 0, _len = ops_json.length; _i < _len; _i++) {
      o = ops_json[_i];
      if (this.HB.getOperation(o.uid) != null) {
        _results.push(this.applyOp(o));
      } else {
        _results.push(void 0);
      }
    }
    return _results;
  };

  Engine.prototype.applyOps = function(ops_json) {
    var o, _i, _len, _results;
    _results = [];
    for (_i = 0, _len = ops_json.length; _i < _len; _i++) {
      o = ops_json[_i];
      _results.push(this.applyOp(o));
    }
    return _results;
  };

  Engine.prototype.applyOp = function(op_json) {
    var o;
    o = this.parseOperation(op_json);
    this.HB.addToCounter(o);
    if (!o.execute()) {
      this.unprocessed_ops.push(o);
    } else {
      this.HB.addOperation(o);
    }
    return this.tryUnprocessed();
  };

  Engine.prototype.tryUnprocessed = function() {
    var old_length, op, unprocessed, _i, _len, _ref, _results;
    _results = [];
    while (true) {
      old_length = this.unprocessed_ops.length;
      unprocessed = [];
      _ref = this.unprocessed_ops;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        op = _ref[_i];
        if (!op.execute()) {
          unprocessed.push(op);
        } else {
          this.HB.addOperation(op);
        }
      }
      this.unprocessed_ops = unprocessed;
      if (this.unprocessed_ops.length === old_length) {
        break;
      } else {
        _results.push(void 0);
      }
    }
    return _results;
  };

  return Engine;

})();

module.exports = Engine;


},{}]},{},[1])
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