live-set/flatMap.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 = flatMap;

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

function flatMap(liveSet, cb) {
  var isReading = false;
  return new _.default({
    scheduler: liveSet.getScheduler(),
    read: function read() {
      if (isReading) {
        throw new Error('reading inactive recursively-flatMapped stream is not supported');
      }

      isReading = true;
      var s = new Set();
      liveSet.values().forEach(function (value) {
        var childSet = cb(value);
        childSet.values().forEach(function (value) {
          s.add(value);
        });
      });
      isReading = false;
      return s;
    },
    listen: function listen(setValues, controller) {
      var mainSubCompleted = false;
      var hasSubscribedToChildren = false;
      var childSetSubs = new Map();

      function childSetSubscribe(childSet) {
        if (childSet.isEnded()) {
          // optimization
          childSet.values().forEach(function (value) {
            controller.add(value);
          });
        } else {
          childSet.subscribe({
            start: function start(sub) {
              childSetSubs.set(childSet, sub);
              childSet.values().forEach(function (value) {
                controller.add(value);
              });
            },
            next: function next(changes) {
              changes.forEach(function (change) {
                if (change.type === 'add') {
                  controller.add(change.value);
                } else if (change.type === 'remove') {
                  controller.remove(change.value);
                }
              });
            },
            error: function error(err) {
              controller.error(err);
            },
            complete: function complete() {
              childSetSubs.delete(childSet);

              if (mainSubCompleted && childSetSubs.size === 0) {
                controller.end();
              }
            }
          });
        }
      }

      setValues(new Set());
      var childSets = new Map();
      var mainSub = liveSet.subscribe({
        start: function start() {
          liveSet.values().forEach(function (value) {
            var childSet = cb(value);
            childSets.set(value, childSet);
            childSetSubscribe(childSet);
          });
          hasSubscribedToChildren = true;
        },
        next: function next(changes) {
          changes.forEach(function (change) {
            if (change.type === 'add') {
              var childSet = cb(change.value);
              childSets.set(change.value, childSet);
              childSetSubscribe(childSet);
            } else if (change.type === 'remove') {
              var _childSet = childSets.get(change.value);

              if (!_childSet) throw new Error('removed value not in liveset');

              _childSet.values().forEach(function (value) {
                controller.remove(value);
              });

              childSets.delete(change.value);
              var childSetSub = childSetSubs.get(_childSet);

              if (childSetSub) {
                // We won't have the subscription if the childSet ended already
                childSetSub.unsubscribe();
                childSetSubs.delete(_childSet);
              }
            }
          });
        },
        error: function error(err) {
          controller.error(err);
        },
        complete: function complete() {
          mainSubCompleted = true;

          if (hasSubscribedToChildren && childSetSubs.size === 0) {
            controller.end();
          }
        }
      });
      return {
        unsubscribe: function unsubscribe() {
          mainSub.unsubscribe();
          childSetSubs.forEach(function (sub) {
            sub.unsubscribe();
          });
          childSets.clear();
          childSetSubs.clear();
        },
        pullChanges: function pullChanges() {
          mainSub.pullChanges();
          childSetSubs.forEach(function (sub) {
            sub.pullChanges();
          });
        }
      };
    }
  });
}

module.exports = exports.default;
module.exports.default = exports.default;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["src/flatMap.js"],"names":["flatMap","liveSet","cb","isReading","LiveSet","scheduler","getScheduler","read","Error","s","Set","values","forEach","value","childSet","add","listen","setValues","controller","mainSubCompleted","hasSubscribedToChildren","childSetSubs","Map","childSetSubscribe","isEnded","subscribe","start","sub","set","next","changes","change","type","remove","error","err","complete","delete","size","end","childSets","mainSub","get","childSetSub","unsubscribe","clear","pullChanges"],"mappings":";;;;;;;;;AAEA;;AAGe,SAASA,OAAT,CAAsBC,OAAtB,EAA2CC,EAA3C,EAAqF;AAClG,MAAIC,SAAS,GAAG,KAAhB;AAEA,SAAO,IAAIC,SAAJ,CAAY;AACjBC,IAAAA,SAAS,EAAEJ,OAAO,CAACK,YAAR,EADM;AAEjBC,IAAAA,IAFiB,kBAEV;AACL,UAAIJ,SAAJ,EAAe;AACb,cAAM,IAAIK,KAAJ,CAAU,iEAAV,CAAN;AACD;;AACDL,MAAAA,SAAS,GAAG,IAAZ;AACA,UAAMM,CAAC,GAAG,IAAIC,GAAJ,EAAV;AACAT,MAAAA,OAAO,CAACU,MAAR,GAAiBC,OAAjB,CAAyB,UAAAC,KAAK,EAAI;AAChC,YAAMC,QAAQ,GAAGZ,EAAE,CAACW,KAAD,CAAnB;AACAC,QAAAA,QAAQ,CAACH,MAAT,GAAkBC,OAAlB,CAA0B,UAAAC,KAAK,EAAI;AACjCJ,UAAAA,CAAC,CAACM,GAAF,CAAMF,KAAN;AACD,SAFD;AAGD,OALD;AAMAV,MAAAA,SAAS,GAAG,KAAZ;AACA,aAAOM,CAAP;AACD,KAhBgB;AAiBjBO,IAAAA,MAjBiB,kBAiBVC,SAjBU,EAiBCC,UAjBD,EAiBa;AAC5B,UAAIC,gBAAgB,GAAG,KAAvB;AACA,UAAIC,uBAAuB,GAAG,KAA9B;AACA,UAAMC,YAAkD,GAAG,IAAIC,GAAJ,EAA3D;;AAEA,eAASC,iBAAT,CAA2BT,QAA3B,EAAiD;AAC/C,YAAIA,QAAQ,CAACU,OAAT,EAAJ,EAAwB;AAAE;AACxBV,UAAAA,QAAQ,CAACH,MAAT,GAAkBC,OAAlB,CAA0B,UAAAC,KAAK,EAAI;AACjCK,YAAAA,UAAU,CAACH,GAAX,CAAeF,KAAf;AACD,WAFD;AAGD,SAJD,MAIO;AACLC,UAAAA,QAAQ,CAACW,SAAT,CAAmB;AACjBC,YAAAA,KADiB,iBACXC,GADW,EACN;AACTN,cAAAA,YAAY,CAACO,GAAb,CAAiBd,QAAjB,EAA2Ba,GAA3B;AACAb,cAAAA,QAAQ,CAACH,MAAT,GAAkBC,OAAlB,CAA0B,UAAAC,KAAK,EAAI;AACjCK,gBAAAA,UAAU,CAACH,GAAX,CAAeF,KAAf;AACD,eAFD;AAGD,aANgB;AAOjBgB,YAAAA,IAPiB,gBAOZC,OAPY,EAOH;AACZA,cAAAA,OAAO,CAAClB,OAAR,CAAgB,UAAAmB,MAAM,EAAI;AACxB,oBAAIA,MAAM,CAACC,IAAP,KAAgB,KAApB,EAA2B;AACzBd,kBAAAA,UAAU,CAACH,GAAX,CAAegB,MAAM,CAAClB,KAAtB;AACD,iBAFD,MAEO,IAAIkB,MAAM,CAACC,IAAP,KAAgB,QAApB,EAA8B;AACnCd,kBAAAA,UAAU,CAACe,MAAX,CAAkBF,MAAM,CAAClB,KAAzB;AACD;AACF,eAND;AAOD,aAfgB;AAgBjBqB,YAAAA,KAhBiB,iBAgBXC,GAhBW,EAgBN;AACTjB,cAAAA,UAAU,CAACgB,KAAX,CAAiBC,GAAjB;AACD,aAlBgB;AAmBjBC,YAAAA,QAnBiB,sBAmBN;AACTf,cAAAA,YAAY,CAACgB,MAAb,CAAoBvB,QAApB;;AACA,kBAAIK,gBAAgB,IAAIE,YAAY,CAACiB,IAAb,KAAsB,CAA9C,EAAiD;AAC/CpB,gBAAAA,UAAU,CAACqB,GAAX;AACD;AACF;AAxBgB,WAAnB;AA0BD;AACF;;AAEDtB,MAAAA,SAAS,CAAC,IAAIP,GAAJ,EAAD,CAAT;AACA,UAAM8B,SAA6B,GAAG,IAAIlB,GAAJ,EAAtC;AAEA,UAAMmB,OAAO,GAAGxC,OAAO,CAACwB,SAAR,CAAkB;AAChCC,QAAAA,KADgC,mBACxB;AACNzB,UAAAA,OAAO,CAACU,MAAR,GAAiBC,OAAjB,CAAyB,UAAAC,KAAK,EAAI;AAChC,gBAAMC,QAAQ,GAAGZ,EAAE,CAACW,KAAD,CAAnB;AACA2B,YAAAA,SAAS,CAACZ,GAAV,CAAcf,KAAd,EAAqBC,QAArB;AACAS,YAAAA,iBAAiB,CAACT,QAAD,CAAjB;AACD,WAJD;AAKAM,UAAAA,uBAAuB,GAAG,IAA1B;AACD,SAR+B;AAShCS,QAAAA,IATgC,gBAS3BC,OAT2B,EASlB;AACZA,UAAAA,OAAO,CAAClB,OAAR,CAAgB,UAAAmB,MAAM,EAAI;AACxB,gBAAIA,MAAM,CAACC,IAAP,KAAgB,KAApB,EAA2B;AACzB,kBAAMlB,QAAQ,GAAGZ,EAAE,CAAC6B,MAAM,CAAClB,KAAR,CAAnB;AACA2B,cAAAA,SAAS,CAACZ,GAAV,CAAcG,MAAM,CAAClB,KAArB,EAA4BC,QAA5B;AACAS,cAAAA,iBAAiB,CAACT,QAAD,CAAjB;AACD,aAJD,MAIO,IAAIiB,MAAM,CAACC,IAAP,KAAgB,QAApB,EAA8B;AACnC,kBAAMlB,SAAQ,GAAG0B,SAAS,CAACE,GAAV,CAAcX,MAAM,CAAClB,KAArB,CAAjB;;AACA,kBAAI,CAACC,SAAL,EAAe,MAAM,IAAIN,KAAJ,CAAU,8BAAV,CAAN;;AACfM,cAAAA,SAAQ,CAACH,MAAT,GAAkBC,OAAlB,CAA0B,UAAAC,KAAK,EAAI;AACjCK,gBAAAA,UAAU,CAACe,MAAX,CAAkBpB,KAAlB;AACD,eAFD;;AAGA2B,cAAAA,SAAS,CAACH,MAAV,CAAiBN,MAAM,CAAClB,KAAxB;AACA,kBAAM8B,WAAW,GAAGtB,YAAY,CAACqB,GAAb,CAAiB5B,SAAjB,CAApB;;AACA,kBAAI6B,WAAJ,EAAiB;AACf;AACAA,gBAAAA,WAAW,CAACC,WAAZ;AACAvB,gBAAAA,YAAY,CAACgB,MAAb,CAAoBvB,SAApB;AACD;AACF;AACF,WAnBD;AAoBD,SA9B+B;AA+BhCoB,QAAAA,KA/BgC,iBA+B1BC,GA/B0B,EA+BrB;AACTjB,UAAAA,UAAU,CAACgB,KAAX,CAAiBC,GAAjB;AACD,SAjC+B;AAkChCC,QAAAA,QAlCgC,sBAkCrB;AACTjB,UAAAA,gBAAgB,GAAG,IAAnB;;AACA,cAAIC,uBAAuB,IAAIC,YAAY,CAACiB,IAAb,KAAsB,CAArD,EAAwD;AACtDpB,YAAAA,UAAU,CAACqB,GAAX;AACD;AACF;AAvC+B,OAAlB,CAAhB;AA0CA,aAAO;AACLK,QAAAA,WADK,yBACS;AACZH,UAAAA,OAAO,CAACG,WAAR;AACAvB,UAAAA,YAAY,CAACT,OAAb,CAAqB,UAAAe,GAAG,EAAI;AAC1BA,YAAAA,GAAG,CAACiB,WAAJ;AACD,WAFD;AAGAJ,UAAAA,SAAS,CAACK,KAAV;AACAxB,UAAAA,YAAY,CAACwB,KAAb;AACD,SARI;AASLC,QAAAA,WATK,yBASS;AACZL,UAAAA,OAAO,CAACK,WAAR;AACAzB,UAAAA,YAAY,CAACT,OAAb,CAAqB,UAAAe,GAAG,EAAI;AAC1BA,YAAAA,GAAG,CAACmB,WAAJ;AACD,WAFD;AAGD;AAdI,OAAP;AAgBD;AAtHgB,GAAZ,CAAP;AAwHD","sourcesContent":["/* @flow */\n\nimport LiveSet from '.';\nimport type {LiveSetSubscription} from '.';\n\nexport default function flatMap<T,U>(liveSet: LiveSet<T>, cb: (value: T) => LiveSet<U>): LiveSet<U> {\n  let isReading = false;\n\n  return new LiveSet({\n    scheduler: liveSet.getScheduler(),\n    read() {\n      if (isReading) {\n        throw new Error('reading inactive recursively-flatMapped stream is not supported');\n      }\n      isReading = true;\n      const s = new Set();\n      liveSet.values().forEach(value => {\n        const childSet = cb(value);\n        childSet.values().forEach(value => {\n          s.add(value);\n        });\n      });\n      isReading = false;\n      return s;\n    },\n    listen(setValues, controller) {\n      let mainSubCompleted = false;\n      let hasSubscribedToChildren = false;\n      const childSetSubs: Map<LiveSet<U>, LiveSetSubscription> = new Map();\n\n      function childSetSubscribe(childSet: LiveSet<U>) {\n        if (childSet.isEnded()) { // optimization\n          childSet.values().forEach(value => {\n            controller.add(value);\n          });\n        } else {\n          childSet.subscribe({\n            start(sub) {\n              childSetSubs.set(childSet, sub);\n              childSet.values().forEach(value => {\n                controller.add(value);\n              });\n            },\n            next(changes) {\n              changes.forEach(change => {\n                if (change.type === 'add') {\n                  controller.add(change.value);\n                } else if (change.type === 'remove') {\n                  controller.remove(change.value);\n                }\n              });\n            },\n            error(err) {\n              controller.error(err);\n            },\n            complete() {\n              childSetSubs.delete(childSet);\n              if (mainSubCompleted && childSetSubs.size === 0) {\n                controller.end();\n              }\n            }\n          });\n        }\n      }\n\n      setValues(new Set());\n      const childSets: Map<T, LiveSet<U>> = new Map();\n\n      const mainSub = liveSet.subscribe({\n        start() {\n          liveSet.values().forEach(value => {\n            const childSet = cb(value);\n            childSets.set(value, childSet);\n            childSetSubscribe(childSet);\n          });\n          hasSubscribedToChildren = true;\n        },\n        next(changes) {\n          changes.forEach(change => {\n            if (change.type === 'add') {\n              const childSet = cb(change.value);\n              childSets.set(change.value, childSet);\n              childSetSubscribe(childSet);\n            } else if (change.type === 'remove') {\n              const childSet = childSets.get(change.value);\n              if (!childSet) throw new Error('removed value not in liveset');\n              childSet.values().forEach(value => {\n                controller.remove(value);\n              });\n              childSets.delete(change.value);\n              const childSetSub = childSetSubs.get(childSet);\n              if (childSetSub) {\n                // We won't have the subscription if the childSet ended already\n                childSetSub.unsubscribe();\n                childSetSubs.delete(childSet);\n              }\n            }\n          });\n        },\n        error(err) {\n          controller.error(err);\n        },\n        complete() {\n          mainSubCompleted = true;\n          if (hasSubscribedToChildren && childSetSubs.size === 0) {\n            controller.end();\n          }\n        }\n      });\n\n      return {\n        unsubscribe() {\n          mainSub.unsubscribe();\n          childSetSubs.forEach(sub => {\n            sub.unsubscribe();\n          });\n          childSets.clear();\n          childSetSubs.clear();\n        },\n        pullChanges() {\n          mainSub.pullChanges();\n          childSetSubs.forEach(sub => {\n            sub.pullChanges();\n          });\n        }\n      };\n    }\n  });\n}\n"]}