All files / es5 core.js

99.29% Statements 140/141
100% Branches 36/36
100% Functions 28/28
99.22% Lines 128/129
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311    10x 10x 10x 10x     218x 60x     218x 217x 216x 216x 216x 216x             216x 280x     280x   216x 216x         216x 172x 1x 1x                 1x   44x 44x 3x 3x                 3x         435x   435x 435x 389x 389x   389x 217x 217x 217x 181x 181x 181x   38x 38x     46x         216x           181x       435x 389x 389x   389x             217x 217x 223x     217x 217x               223x 223x                   223x 223x 223x 221x           18x     221x 187x 2x 2x                     2x   34x 34x 34x 34x 34x 34x 1x 1x                     1x         223x 223x 223x 223x 223x 223x 223x 89x               89x 89x         78x 3x   2x 2x 2x         3x 3x 3x 3x 3x 3x 3x 3x 3x 3x                       3x 3x         216x 216x 216x 216x 1x         1x 1x         4x 4x 4x 4x 4x 4x 4x 4x                 4x 4x         1x   1x 1x 1x       1x       1x       1x 1x     1x     10x        
"use strict";
 
var _require = require("./util"),
    toArray = _require.toArray,
    toPromise = _require.toPromise,
    delay = _require.delay;
 
function call(context, interpreters, fn) {
  for (var _len = arguments.length, args = new Array(_len > 3 ? _len - 3 : 0), _key = 3; _key < _len; _key++) {
    args[_key - 3] = arguments[_key];
  }
 
  if (!context) return Promise.reject(new Error("context required"));
  if (!fn) return Promise.reject(new Error("function required"));
  var gen = fn.apply(null, args);
  var el = newExecutionLog();
  var childContext = Object.assign({}, context);
  childContext.stack = (childContext.stack || []).concat({
    context: childContext,
    interpreters: interpreters,
    fn: fn,
    args: args
  }); // clean up circular references to allow for serialization
 
  childContext.stack = childContext.stack.map(function (s) {
    s.context = Object.assign({}, s.context, {
      stack: undefined
    });
    return s;
  });
  var start = Date.now();
  onCall({
    args: args,
    fn: fn,
    context: childContext
  });
  return run(childContext, interpreters, fn, gen, null, el).then(function (result) {
    if (!childContext.onCallComplete) return result;
    var end = Date.now();
    onCallComplete({
      success: true,
      fn: fn,
      result: result,
      context: childContext,
      start: start,
      end: end,
      latency: end - start
    });
    return result;
  }).catch(function (e) {
    onError(e, childContext);
    if (!childContext.onCallComplete) return Promise.reject(e);
    var end = Date.now();
    onCallComplete({
      success: false,
      fn: fn,
      result: e,
      context: childContext,
      start: start,
      end: end,
      latency: end - start
    });
    return Promise.reject(e);
  });
}
 
function run(context, interpreters, fn, gen, input, el) {
  var genOperation = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : "next";
 
  try {
    var _getNextOutput = getNextOutput(gen, input, genOperation),
        output = _getNextOutput.output,
        done = _getNextOutput.done;
 
    if (done) return toPromise(output);
    var isList = Array.isArray(output);
    var commandsList = toArray(output);
    return processCommands(context, interpreters, fn, commandsList, el).then(function (results) {
      var unwrappedResults = unwrapResults(isList, results);
      el.step++;
      return run(context, interpreters, fn, gen, unwrappedResults, el, "next");
    }).catch(function (e) {
      el.step++;
      return run(context, interpreters, fn, gen, e, el, "throw");
    });
  } catch (e) {
    return Promise.reject(e);
  }
}
 
function newExecutionLog() {
  return {
    step: 0
  };
}
 
function unwrapResults(isList, results) {
  return isList ? results : results[0];
}
 
function getNextOutput(fn, input, op) {
  var _fn$op = fn[op](input),
      output = _fn$op.value,
      done = _fn$op.done;
 
  return {
    output: output,
    done: done
  };
}
 
function processCommands(context, interpreters, fn, commands, el) {
  try {
    var pc = function pc(c, index) {
      return processCommand(context, interpreters, fn, c, el, index);
    };
 
    var promises = commands.map(pc);
    return Promise.all(promises);
  } catch (e) {
    // istanbul ignore next
    return Promise.reject(e);
  }
}
 
function processCommand(context, interpreters, fn, command, el, index) {
  var start = Date.now();
  onCommand({
    command: command,
    fn: fn,
    start: start,
    index: index,
    step: el.step,
    context: context
  });
  var result;
 
  try {
    var interpreter = interpreters[command.type];
    if (!interpreter) return Promise.reject(new Error("Interpreter of type \"".concat(command.type, "\" is not registered.")));
    result = interpreter(command, {
      call: call,
      context: context,
      interpreters: interpreters
    });
  } catch (e) {
    result = Promise.reject(e);
  }
 
  return toPromise(result).then(function (r) {
    if (!context.onCommandComplete) return r;
    var end = Date.now();
    onCommandComplete({
      success: true,
      context: context,
      command: command,
      fn: fn,
      step: el.step,
      index: index,
      result: r,
      start: start,
      end: end
    });
    return r;
  }).catch(function (e) {
    e.command = command;
    e.step = el.step;
    e.fn = fn;
    e.index = index;
    onError(e, context);
    if (!context.onCommandComplete) return Promise.reject(e);
    var end = Date.now();
    onCommandComplete({
      success: false,
      context: context,
      command: command,
      fn: fn,
      step: el.step,
      index: index,
      result: e,
      start: start,
      end: end
    });
    return Promise.reject(e);
  });
}
 
function onCommand(_ref) {
  var command = _ref.command,
      index = _ref.index,
      step = _ref.step,
      context = _ref.context,
      start = _ref.start,
      fn = _ref.fn;
  if (!context.onCommand || typeof context.onCommand !== "function") return;
  var r = {
    command: command,
    start: start,
    index: index,
    step: step,
    context: context,
    fn: fn
  };
  delay(function () {
    return context.onCommand(r);
  });
}
 
function onError(error, context) {
  if (!context.onError) return;
  if (error.eadReported) return; // tag error to prevent multiple reports as the error bubbles up
 
  error.eadReported = true;
  delay(function () {
    return context.onError(error, context);
  });
}
 
function onCommandComplete(_ref2) {
  var success = _ref2.success,
      command = _ref2.command,
      index = _ref2.index,
      step = _ref2.step,
      result = _ref2.result,
      context = _ref2.context,
      start = _ref2.start,
      end = _ref2.end,
      fn = _ref2.fn;
  var r = {
    success: success,
    command: command,
    latency: end - start,
    start: start,
    end: end,
    index: index,
    step: step,
    result: result,
    context: context,
    fn: fn
  };
  delay(function () {
    return context.onCommandComplete(r);
  });
}
 
function onCall(_ref3) {
  var args = _ref3.args,
      fn = _ref3.fn,
      context = _ref3.context;
  if (!context.onCall || typeof context.onCall !== "function") return;
  var r = {
    args: args,
    fn: fn,
    context: context
  };
  delay(function () {
    return context.onCall(r);
  });
}
 
function onCallComplete(_ref4) {
  var success = _ref4.success,
      result = _ref4.result,
      fn = _ref4.fn,
      context = _ref4.context,
      start = _ref4.start,
      end = _ref4.end,
      latency = _ref4.latency;
  var r = {
    success: success,
    fn: fn,
    context: context,
    end: end,
    latency: latency,
    result: result,
    start: start
  };
  delay(function () {
    return context.onCallComplete(r);
  });
}
 
function buildFunctions(context, interpreters, functions) {
  var promiseFunctions = {};
 
  var _loop = function _loop(i) {
    promiseFunctions[i] = function () {
      var localContext = Object.assign({
        name: i
      }, context);
 
      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        args[_key2] = arguments[_key2];
      }
 
      return call.apply(void 0, [localContext, interpreters, functions[i]].concat(args));
    };
  };
 
  for (var i in functions) {
    _loop(i);
  }
 
  return promiseFunctions;
}
 
module.exports = {
  call: call,
  buildFunctions: buildFunctions
};
//# sourceMappingURL=core.js.map