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Showing content from https://github.com/markerikson/project-minimek/commit/42693a331fee1ff73594ff18e3833415655f7262 below:

Use a selector to have only a single Session instance per state update · markerikson/project-minimek@42693a3 · GitHub

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 @@ -0,0 +1,10 @@

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 import {createSelector} from "reselect";

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 import schema from "app/schema";

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 export const selectEntities = state => state.entities;

6 + 7

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 export const getEntitiesSession = createSelector(

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 selectEntities,

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 entities => schema.from(entities)

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 );

Original file line number Diff line number Diff line change


 @@ -2,7 +2,7 @@ import React from "react";

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 import {connect} from "react-redux";

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 import {Form} from "semantic-ui-react";

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-
 import schema from "app/schema";

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 import {getEntitiesSession} from "features/entities/entitySelectors";

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 import {getWeightClass, selectCurrentMech} from "../mechSelectors";

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 @@ -12,7 +12,7 @@ const mapState = (state) => {

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 const currentMech = selectCurrentMech(state);

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-
 const session = schema.from(state.entities);

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 const session = getEntitiesSession(state);

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 const {Mech} = session;

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 if(Mech.hasId(currentMech)) {

Original file line number Diff line number Diff line change


 @@ -5,14 +5,14 @@ import {Table} from "semantic-ui-react";

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 import MechsListHeader from "./MechsListHeader";

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 import MechsListRow from "./MechsListRow";

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 import schema from "app/schema";

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 import {getEntitiesSession} from "features/entities/entitySelectors";

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 import {selectMech} from "../mechsActions";

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 import {selectCurrentMech} from "../mechSelectors";

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 const mapState = (state) => {

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 const session = schema.from(state.entities);

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 const session = getEntitiesSession(state);

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 const {Mech} = session;

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 const mechs = Mech.all().withModels.map(mechModel => mechModel.getId());

Original file line number Diff line number Diff line change


 @@ -5,10 +5,10 @@ import {Table} from "semantic-ui-react";

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 import {getWeightClass} from "../mechSelectors";

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-
 import schema from "app/schema";

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 import {getEntitiesSession} from "features/entities/entitySelectors";

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 const mapState = (state, ownProps) => {

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 const session = schema.from(state.entities);

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 const session = getEntitiesSession(state);

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 const {Mech} = session;

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 let mech;

Original file line number Diff line number Diff line change


 @@ -2,7 +2,7 @@ import React, {Component} from "react";

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 import {connect} from "react-redux";

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 import {Form, Dropdown, Grid, Button} from "semantic-ui-react";

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-
 import schema from "app/schema";

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 import {getEntitiesSession} from "features/entities/entitySelectors";

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 import FormEditWrapper from "common/components/FormEditWrapper";

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 @@ -49,7 +49,7 @@ const mapState = (state) => {

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 const currentPilot = selectCurrentPilot(state);

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-
 const session = schema.from(state.entities);

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 const session = getEntitiesSession(state);

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 const {Pilot} = session;

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 if(Pilot.hasId(currentPilot)) {

Original file line number Diff line number Diff line change


 @@ -5,7 +5,7 @@ import {Table} from "semantic-ui-react";

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 import PilotsListHeader from "./PilotsListHeader";

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 import PilotsListRow from "./PilotsListRow";

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-
 import schema from "app/schema";

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 import {getEntitiesSession} from "features/entities/entitySelectors";

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 import {selectPilot} from "../pilotsActions";

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 import {selectCurrentPilot} from "../pilotsSelectors";


 @@ -14,7 +14,7 @@ import {selectCurrentPilot} from "../pilotsSelectors";

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 const mapState = (state) => {

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 // Create a Redux-ORM Session from our "entities" slice, which

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 // contains the "tables" for each model type

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 const session = schema.from(state.entities);

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 const session = getEntitiesSession(state);

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 // Retrieve the model class that we need. Each Session

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 // specifically "binds" model classes to itself, so that

Original file line number Diff line number Diff line change


 @@ -3,10 +3,10 @@ import {connect} from "react-redux";

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 import {Table} from "semantic-ui-react";

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 import _ from "lodash";

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 import schema from "app/schema";

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 import {getEntitiesSession} from "features/entities/entitySelectors";

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 const mapState = (state, ownProps) => {

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 const session = schema.from(state.entities);

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 const session = getEntitiesSession(state);

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 const {Pilot} = session;

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 let pilot;

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