@visactor/vrender-core/es/entries/app-context.js

```typescript import { xxx } from '@visactor/vrender-core'; ```

import { GraphicFactory, LayerFactory, StageFactory } from "../factory";

import { ContributionRegistry, PickerRegistry, PluginRegistry, RendererRegistry } from "../registry";

import { DefaultDrawContribution } from "../render/contributions/render/draw-contribution";

import { DrawItemInterceptor } from "../render/contributions/render/draw-interceptor";

import { DefaultRenderService } from "../render/render-service";

const APP_CONTEXT_RELEASED_ERROR = "AppContext has been released";

function createRegistryContributionProvider(registry, key) {
    return {
        getContributions: () => registry.get(key)
    };
}

export class AppContext {
    constructor(context = {}) {
        var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p;
        this.stageResources = new Set, this._released = !1, this.registry = {
            renderer: null !== (_b = null === (_a = context.registry) || void 0 === _a ? void 0 : _a.renderer) && void 0 !== _b ? _b : new RendererRegistry,
            picker: null !== (_d = null === (_c = context.registry) || void 0 === _c ? void 0 : _c.picker) && void 0 !== _d ? _d : new PickerRegistry,
            contribution: null !== (_f = null === (_e = context.registry) || void 0 === _e ? void 0 : _e.contribution) && void 0 !== _f ? _f : new ContributionRegistry,
            plugin: null !== (_h = null === (_g = context.registry) || void 0 === _g ? void 0 : _g.plugin) && void 0 !== _h ? _h : new PluginRegistry
        }, this.factory = {
            stage: null !== (_k = null === (_j = context.factory) || void 0 === _j ? void 0 : _j.stage) && void 0 !== _k ? _k : new StageFactory(void 0, (() => this.createStageDeps())),
            layer: null !== (_m = null === (_l = context.factory) || void 0 === _l ? void 0 : _l.layer) && void 0 !== _m ? _m : new LayerFactory,
            graphic: null !== (_p = null === (_o = context.factory) || void 0 === _o ? void 0 : _o.graphic) && void 0 !== _p ? _p : new GraphicFactory
        };
    }
    get released() {
        return this._released;
    }
    getRegistry(name) {
        return this.assertActive(), this.registry[name];
    }
    getFactory(name) {
        return this.assertActive(), this.factory[name];
    }
    installPlugin(plugin) {
        this.assertActive(), this.registry.plugin.install(plugin), plugin.install(this);
    }
    installPlugins(plugins) {
        this.assertActive();
        for (const plugin of plugins) this.installPlugin(plugin);
    }
    uninstallPlugin(name) {
        var _a;
        this.assertActive();
        const plugin = this.registry.plugin.get(name);
        plugin && (null === (_a = plugin.uninstall) || void 0 === _a || _a.call(plugin), 
        this.registry.plugin.uninstall(name));
    }
    createStage(params = {}) {
        var _a;
        this.assertActive();
        const stage = this.factory.stage.create(params), releasableStage = stage, release = null === (_a = releasableStage.release) || void 0 === _a ? void 0 : _a.bind(stage);
        let released = !1;
        return release && (releasableStage.release = () => {
            released || (released = !0, this.stageResources.delete(releasableStage), release());
        }), this.stageResources.add(releasableStage), stage;
    }
    release() {
        var _a, _b;
        if (this._released) return;
        const plugins = this.registry.plugin.getAll();
        for (const resource of this.stageResources) null === (_a = resource.release) || void 0 === _a || _a.call(resource);
        this.stageResources.clear();
        for (const plugin of plugins) null === (_b = plugin.uninstall) || void 0 === _b || _b.call(plugin);
        this.registry.plugin.clear(), this.registry.renderer.clear(), this.registry.picker.clear(), 
        this.registry.contribution.clear(), this._released = !0;
    }
    assertActive() {
        if (this._released) throw new Error(APP_CONTEXT_RELEASED_ERROR);
    }
    createStageDeps() {
        return {
            renderService: new DefaultRenderService(new DefaultDrawContribution([], createRegistryContributionProvider(this.registry.contribution, DrawItemInterceptor), {
                rendererRegistry: this.registry.renderer
            }))
        };
    }
}
//# sourceMappingURL=app-context.js.map