live-set/transduce.js

Class representing a changing and transformable collection of items.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _ = _interopRequireDefault(require("."));

var arrayXf = {
  '@@transducer/init': function transducerInit() {
    return [];
  },
  '@@transducer/step': function transducerStep(res, input) {
    res.push(input);
    return res;
  },
  '@@transducer/result': function transducerResult(input) {
    return input;
  }
};

function transduce(liveSet, transducer) {
  function step(xform, inputValue) {
    var addsComplete = false;
    var outputValues;
    var ret = xform['@@transducer/step']([], inputValue);

    if (ret && ret['@@transducer/reduced']) {
      outputValues = ret['@@transducer/value'];
      addsComplete = true;
    } else {
      outputValues = ret;
    }

    return {
      outputValues: outputValues,
      addsComplete: addsComplete
    };
  }

  function valuesAndContext() {
    var inputToOutputValues = new Map();
    var xform = transducer(arrayXf);
    var addsComplete = false;
    var values = new Set(xform['@@transducer/init']());
    var _iteratorNormalCompletion = true;
    var _didIteratorError = false;
    var _iteratorError = undefined;

    try {
      for (var _iterator = liveSet.values()[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
        var value = _step.value;

        var _step2 = step(xform, value),
            outputValues = _step2.outputValues,
            _addsComplete = _step2.addsComplete;

        inputToOutputValues.set(value, outputValues);

        for (var i = 0, len = outputValues.length; i < len; i++) {
          values.add(outputValues[i]);
        }

        if (_addsComplete) {
          addsComplete = true;
          xform['@@transducer/result']([]).forEach(function (value) {
            values.add(value);
          });
          break;
        }
      }
    } catch (err) {
      _didIteratorError = true;
      _iteratorError = err;
    } finally {
      try {
        if (!_iteratorNormalCompletion && _iterator.return != null) {
          _iterator.return();
        }
      } finally {
        if (_didIteratorError) {
          throw _iteratorError;
        }
      }
    }

    return {
      values: values,
      inputToOutputValues: inputToOutputValues,
      xform: xform,
      addsComplete: addsComplete
    };
  }

  return new _.default({
    scheduler: liveSet.getScheduler(),
    read: function read() {
      return valuesAndContext().values;
    },
    listen: function listen(setValues, controller) {
      var inputToOutputValues, xform, addsComplete;
      var sub = liveSet.subscribe({
        start: function start() {
          var ret = valuesAndContext();
          setValues(ret.values);
          inputToOutputValues = ret.inputToOutputValues;
          xform = ret.xform;
          addsComplete = ret.addsComplete;
        },
        next: function next(changes) {
          for (var i = 0, len = changes.length; i < len; i++) {
            var change = changes[i];

            if (change.type === 'add') {
              if (!addsComplete) {
                var value = change.value;

                var _step3 = step(xform, value),
                    outputValues = _step3.outputValues,
                    _addsComplete = _step3.addsComplete;

                inputToOutputValues.set(value, outputValues);

                for (var _i = 0, _len = outputValues.length; _i < _len; _i++) {
                  controller.add(outputValues[_i]);
                }

                if (_addsComplete) {
                  addsComplete = true;
                  xform['@@transducer/result']([]).forEach(function (endValue) {
                    controller.add(endValue);
                  });
                }
              }
            } else if (change.type === 'remove') {
              var _value = change.value;
              var list = inputToOutputValues.get(_value);
              if (!list) throw new Error('value had not been added');
              list.forEach(function (transformedValue) {
                controller.remove(transformedValue);
              });
              inputToOutputValues.delete(_value);
            }
          }
        },
        error: function error(err) {
          controller.error(err);
        },
        complete: function complete() {
          controller.end();
        }
      });
      return sub;
    }
  });
}

module.exports = exports.default;
module.exports.default = exports.default;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["src/transduce.js"],"names":["arrayXf","res","input","push","transduce","liveSet","transducer","step","xform","inputValue","addsComplete","outputValues","ret","valuesAndContext","inputToOutputValues","Map","values","Set","value","_addsComplete","set","i","len","length","add","forEach","LiveSet","scheduler","getScheduler","read","listen","setValues","controller","sub","subscribe","start","next","changes","change","type","endValue","list","get","Error","transformedValue","remove","delete","error","err","complete","end"],"mappings":";;;;;;;;;AAEA;;AAEA,IAAMA,OAAO,GAAG;AACd,qBADc,4BACQ;AACpB,WAAO,EAAP;AACD,GAHa;AAId,qBAJc,0BAIMC,GAJN,EAIWC,KAJX,EAIkB;AAC9BD,IAAAA,GAAG,CAACE,IAAJ,CAASD,KAAT;AACA,WAAOD,GAAP;AACD,GAPa;AAQd,uBARc,4BAQQC,KARR,EAQe;AAC3B,WAAOA,KAAP;AACD;AAVa,CAAhB;;AAae,SAASE,SAAT,CAAmBC,OAAnB,EAA0CC,UAA1C,EAA8E;AAC3F,WAASC,IAAT,CAAcC,KAAd,EAA6BC,UAA7B,EAGE;AACA,QAAIC,YAAY,GAAG,KAAnB;AACA,QAAIC,YAAJ;AACA,QAAMC,GAAG,GAAGJ,KAAK,CAAC,mBAAD,CAAL,CAA2B,EAA3B,EAA+BC,UAA/B,CAAZ;;AACA,QAAIG,GAAG,IAAIA,GAAG,CAAC,sBAAD,CAAd,EAAwC;AACtCD,MAAAA,YAAY,GAAGC,GAAG,CAAC,oBAAD,CAAlB;AACAF,MAAAA,YAAY,GAAG,IAAf;AACD,KAHD,MAGO;AACLC,MAAAA,YAAY,GAAGC,GAAf;AACD;;AACD,WAAO;AACLD,MAAAA,YAAY,EAAZA,YADK;AAELD,MAAAA,YAAY,EAAZA;AAFK,KAAP;AAID;;AASD,WAASG,gBAAT,GAA8C;AAC5C,QAAMC,mBAAmB,GAAG,IAAIC,GAAJ,EAA5B;AACA,QAAMP,KAAK,GAAGF,UAAU,CAACN,OAAD,CAAxB;AACA,QAAIU,YAAY,GAAG,KAAnB;AACA,QAAMM,MAAM,GAAG,IAAIC,GAAJ,CAAQT,KAAK,CAAC,mBAAD,CAAL,EAAR,CAAf;AAJ4C;AAAA;AAAA;;AAAA;AAK5C,2BAAkBH,OAAO,CAACW,MAAR,EAAlB,8HAAoC;AAAA,YAA3BE,KAA2B;;AAAA,qBACkBX,IAAI,CAACC,KAAD,EAAQU,KAAR,CADtB;AAAA,YAC3BP,YAD2B,UAC3BA,YAD2B;AAAA,YACCQ,aADD,UACbT,YADa;;AAElCI,QAAAA,mBAAmB,CAACM,GAApB,CAAwBF,KAAxB,EAA+BP,YAA/B;;AACA,aAAK,IAAIU,CAAC,GAAC,CAAN,EAAQC,GAAG,GAACX,YAAY,CAACY,MAA9B,EAAsCF,CAAC,GAACC,GAAxC,EAA6CD,CAAC,EAA9C,EAAkD;AAChDL,UAAAA,MAAM,CAACQ,GAAP,CAAWb,YAAY,CAACU,CAAD,CAAvB;AACD;;AACD,YAAIF,aAAJ,EAAmB;AACjBT,UAAAA,YAAY,GAAG,IAAf;AACAF,UAAAA,KAAK,CAAC,qBAAD,CAAL,CAA6B,EAA7B,EAAiCiB,OAAjC,CAAyC,UAAAP,KAAK,EAAI;AAChDF,YAAAA,MAAM,CAACQ,GAAP,CAAWN,KAAX;AACD,WAFD;AAGA;AACD;AACF;AAlB2C;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;AAmB5C,WAAO;AACLF,MAAAA,MAAM,EAANA,MADK;AAELF,MAAAA,mBAAmB,EAAnBA,mBAFK;AAGLN,MAAAA,KAAK,EAALA,KAHK;AAILE,MAAAA,YAAY,EAAZA;AAJK,KAAP;AAMD;;AAED,SAAO,IAAIgB,SAAJ,CAAY;AACjBC,IAAAA,SAAS,EAAEtB,OAAO,CAACuB,YAAR,EADM;AAEjBC,IAAAA,IAAI,EAAE;AAAA,aAAMhB,gBAAgB,GAAGG,MAAzB;AAAA,KAFW;AAGjBc,IAAAA,MAHiB,kBAGVC,SAHU,EAGCC,UAHD,EAGa;AAC5B,UAAIlB,mBAAJ,EAAyBN,KAAzB,EAAgCE,YAAhC;AACA,UAAMuB,GAAG,GAAG5B,OAAO,CAAC6B,SAAR,CAAkB;AAC5BC,QAAAA,KAD4B,mBACpB;AACN,cAAMvB,GAAG,GAAGC,gBAAgB,EAA5B;AACAkB,UAAAA,SAAS,CAACnB,GAAG,CAACI,MAAL,CAAT;AACAF,UAAAA,mBAAmB,GAAGF,GAAG,CAACE,mBAA1B;AACAN,UAAAA,KAAK,GAAGI,GAAG,CAACJ,KAAZ;AACAE,UAAAA,YAAY,GAAGE,GAAG,CAACF,YAAnB;AACD,SAP2B;AAQ5B0B,QAAAA,IAR4B,gBAQvBC,OARuB,EAQd;AACZ,eAAK,IAAIhB,CAAC,GAAC,CAAN,EAAQC,GAAG,GAACe,OAAO,CAACd,MAAzB,EAAiCF,CAAC,GAACC,GAAnC,EAAwCD,CAAC,EAAzC,EAA6C;AAC3C,gBAAMiB,MAAM,GAAGD,OAAO,CAAChB,CAAD,CAAtB;;AACA,gBAAIiB,MAAM,CAACC,IAAP,KAAgB,KAApB,EAA2B;AACzB,kBAAI,CAAC7B,YAAL,EAAmB;AAAA,oBACVQ,KADU,GACDoB,MADC,CACVpB,KADU;;AAAA,6BAEmCX,IAAI,CAACC,KAAD,EAAQU,KAAR,CAFvC;AAAA,oBAEVP,YAFU,UAEVA,YAFU;AAAA,oBAEkBQ,aAFlB,UAEIT,YAFJ;;AAGjBI,gBAAAA,mBAAmB,CAACM,GAApB,CAAwBF,KAAxB,EAA+BP,YAA/B;;AACA,qBAAK,IAAIU,EAAC,GAAC,CAAN,EAAQC,IAAG,GAACX,YAAY,CAACY,MAA9B,EAAsCF,EAAC,GAACC,IAAxC,EAA6CD,EAAC,EAA9C,EAAkD;AAChDW,kBAAAA,UAAU,CAACR,GAAX,CAAeb,YAAY,CAACU,EAAD,CAA3B;AACD;;AACD,oBAAIF,aAAJ,EAAmB;AACjBT,kBAAAA,YAAY,GAAG,IAAf;AACAF,kBAAAA,KAAK,CAAC,qBAAD,CAAL,CAA6B,EAA7B,EAAiCiB,OAAjC,CAAyC,UAAAe,QAAQ,EAAI;AACnDR,oBAAAA,UAAU,CAACR,GAAX,CAAegB,QAAf;AACD,mBAFD;AAGD;AACF;AACF,aAfD,MAeO,IAAIF,MAAM,CAACC,IAAP,KAAgB,QAApB,EAA8B;AAAA,kBAC5BrB,MAD4B,GACnBoB,MADmB,CAC5BpB,KAD4B;AAEnC,kBAAMuB,IAAI,GAAG3B,mBAAmB,CAAC4B,GAApB,CAAwBxB,MAAxB,CAAb;AACA,kBAAI,CAACuB,IAAL,EAAW,MAAM,IAAIE,KAAJ,CAAU,0BAAV,CAAN;AACXF,cAAAA,IAAI,CAAChB,OAAL,CAAa,UAAAmB,gBAAgB,EAAI;AAC/BZ,gBAAAA,UAAU,CAACa,MAAX,CAAkBD,gBAAlB;AACD,eAFD;AAGA9B,cAAAA,mBAAmB,CAACgC,MAApB,CAA2B5B,MAA3B;AACD;AACF;AACF,SApC2B;AAqC5B6B,QAAAA,KArC4B,iBAqCtBC,GArCsB,EAqCjB;AACThB,UAAAA,UAAU,CAACe,KAAX,CAAiBC,GAAjB;AACD,SAvC2B;AAwC5BC,QAAAA,QAxC4B,sBAwCjB;AACTjB,UAAAA,UAAU,CAACkB,GAAX;AACD;AA1C2B,OAAlB,CAAZ;AA6CA,aAAOjB,GAAP;AACD;AAnDgB,GAAZ,CAAP;AAqDD","sourcesContent":["/* @flow */\n\nimport LiveSet from '.';\n\nconst arrayXf = {\n  '@@transducer/init'() {\n    return [];\n  },\n  '@@transducer/step'(res, input) {\n    res.push(input);\n    return res;\n  },\n  '@@transducer/result'(input) {\n    return input;\n  }\n};\n\nexport default function transduce(liveSet: LiveSet<any>, transducer: Function): LiveSet<any> {\n  function step(xform: Object, inputValue: any): {\n    outputValues: Array<any>;\n    addsComplete: boolean;\n  } {\n    let addsComplete = false;\n    let outputValues;\n    const ret = xform['@@transducer/step']([], inputValue);\n    if (ret && ret['@@transducer/reduced']) {\n      outputValues = ret['@@transducer/value'];\n      addsComplete = true;\n    } else {\n      outputValues = ret;\n    }\n    return {\n      outputValues,\n      addsComplete\n    };\n  }\n\n  type ValuesAndContext = {\n    values: Set<any>;\n    inputToOutputValues: Map<any, Array<any>>;\n    xform: Object;\n    addsComplete: boolean;\n  };\n\n  function valuesAndContext(): ValuesAndContext {\n    const inputToOutputValues = new Map();\n    const xform = transducer(arrayXf);\n    let addsComplete = false;\n    const values = new Set(xform['@@transducer/init']());\n    for (let value of liveSet.values()) {\n      const {outputValues, addsComplete: _addsComplete} = step(xform, value);\n      inputToOutputValues.set(value, outputValues);\n      for (let i=0,len=outputValues.length; i<len; i++) {\n        values.add(outputValues[i]);\n      }\n      if (_addsComplete) {\n        addsComplete = true;\n        xform['@@transducer/result']([]).forEach(value => {\n          values.add(value);\n        });\n        break;\n      }\n    }\n    return {\n      values,\n      inputToOutputValues,\n      xform,\n      addsComplete\n    };\n  }\n\n  return new LiveSet({\n    scheduler: liveSet.getScheduler(),\n    read: () => valuesAndContext().values,\n    listen(setValues, controller) {\n      let inputToOutputValues, xform, addsComplete;\n      const sub = liveSet.subscribe({\n        start() {\n          const ret = valuesAndContext();\n          setValues(ret.values);\n          inputToOutputValues = ret.inputToOutputValues;\n          xform = ret.xform;\n          addsComplete = ret.addsComplete;\n        },\n        next(changes) {\n          for (let i=0,len=changes.length; i<len; i++) {\n            const change = changes[i];\n            if (change.type === 'add') {\n              if (!addsComplete) {\n                const {value} = change;\n                const {outputValues, addsComplete: _addsComplete} = step(xform, value);\n                inputToOutputValues.set(value, outputValues);\n                for (let i=0,len=outputValues.length; i<len; i++) {\n                  controller.add(outputValues[i]);\n                }\n                if (_addsComplete) {\n                  addsComplete = true;\n                  xform['@@transducer/result']([]).forEach(endValue => {\n                    controller.add(endValue);\n                  });\n                }\n              }\n            } else if (change.type === 'remove') {\n              const {value} = change;\n              const list = inputToOutputValues.get(value);\n              if (!list) throw new Error('value had not been added');\n              list.forEach(transformedValue => {\n                controller.remove(transformedValue);\n              });\n              inputToOutputValues.delete(value);\n            }\n          }\n        },\n        error(err) {\n          controller.error(err);\n        },\n        complete() {\n          controller.end();\n        }\n      });\n\n      return sub;\n    }\n  });\n}\n"]}