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| 1 | +import { useMemo } from "react"; |
| 2 | +import { useSelector } from "react-redux"; |
| 3 | +import * as ReduxORM from "redux-orm"; |
| 4 | +import { useStore } from "@wq/store"; |
| 5 | + |
| 6 | +const { createSelector } = ReduxORM; |
| 7 | + |
| 8 | +export function useModelInstance(name) { |
| 9 | + const store = useStore(), |
| 10 | + model = store.plugins.orm.models[name]; |
| 11 | + |
| 12 | + if (!model) { |
| 13 | + throw new Error(`Unknown model name ${name}`); |
| 14 | + } |
| 15 | +} |
| 16 | + |
| 17 | +// Extracted from @wq/react/src/hooks.js |
| 18 | +export function useModel(name, filter) { |
| 19 | + const model = useModelInstance(name), |
| 20 | + selector = useMemo(() => { |
| 21 | + let selector; |
| 22 | + if ( |
| 23 | + typeof filter === "function" || |
| 24 | + (typeof filter === "object" && !Array.isArray(filter)) |
| 25 | + ) { |
| 26 | + // Filter by query |
| 27 | + selector = createSelector(model.orm, (session) => |
| 28 | + model.getQuerySet(session).filter(filter).toRefArray() |
| 29 | + ); |
| 30 | + } else if (filter) { |
| 31 | + // Filter by id (default ModelSelectorSpec behavior) |
| 32 | + selector = (state) => |
| 33 | + createSelector(model.orm[name])(state, filter); |
| 34 | + } else { |
| 35 | + // All objects (use getQuerySet() to leverage config.ordering) |
| 36 | + selector = createSelector(model.orm, (session) => |
| 37 | + model.getQuerySet(session).toRefArray() |
| 38 | + ); |
| 39 | + } |
| 40 | + return selector; |
| 41 | + }, [model, filter]); |
| 42 | + |
| 43 | + return useSelector(selector); |
| 44 | +} |
| 45 | + |
| 46 | +export function useModelConfig(name) { |
| 47 | + const model = useModelInstance(name); |
| 48 | + return model.config; |
| 49 | +} |
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