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@spartacus/storefront

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Spartacus Storefront is a package that you can include in your application, which allows you to add default storefront features.

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import { isPlatformBrowser } from '@angular/common'; import { Inject, Injectable, PLATFORM_ID } from '@angular/core'; import { of } from 'rxjs'; import { distinctUntilChanged, map } from 'rxjs/operators'; import * as i0 from "@angular/core"; import * as i1 from "@spartacus/core"; import * as i2 from "../config/layout-config"; /** * The `BreakpointService` resolves the various screen sizes that are used in * the storefront. The screen sizes are globally configurable based on your * layout requirements. You can adjust the screen sizes by setting the minimum * and/or maximum size for a breakpoint, as well as extending the configuration * with new screens. * * By default, the `BreakpointService` is based on the breakpoints from the * Bootstrap ui library: * - `xs`: < 576px * - `sm`: 576px - 767px * - `md`: 768px - 991px * - `lg`: 992px - 1199px * - `xl`: >= 1200px */ export class BreakpointService { constructor(winRef, layoutConfig, platform) { this.winRef = winRef; this.layoutConfig = layoutConfig; this.platform = platform; this.breakpoint$ = isPlatformBrowser(this.platform) ? this.winRef.resize$.pipe(map((event) => this.getBreakpoint(event.target.innerWidth)), distinctUntilChanged()) : of(this.fallbackBreakpoint); } /** * Returns the breakpoints for the storefront layout. * * The breakpoints are driven by the `LayoutConfig.breakpoints` and sorted based on * the given screen size. */ get breakpoints() { if (!this._breakpoints) { this._breakpoints = this.resolveBreakpointsFromConfig(); } return this._breakpoints; } /** * Returns the _maximum_ size for the breakpoint, given by the `LayoutConfig.breakpoints` * configuration. */ getSize(breakpoint) { var _a, _b; return ((_a = this.getMaxSize(breakpoint)) !== null && _a !== void 0 ? _a : // if there's no direct max value or explicit max value // we must derive the max value from the previous min this.getMinSize((_b = this.breakpoints) === null || _b === void 0 ? void 0 : _b[this.breakpoints.indexOf(breakpoint) + 1])); } /** * Indicates whether the current screen size is smaller than the maximum size of the * given breakpoint. * * If the given breakpoint is `BREAKPOINT.md`, the method returns `true` when the * window innerWidth is smaller than the configured size of `BREAKPOINT.md`. */ isDown(breakpoint) { return this.breakpoint$.pipe(map((br) => this.breakpoints .slice(0, this.breakpoints.indexOf(breakpoint) + 1) .includes(br))); } /** * Indicates whether the current screen size is larger than the minimum size of the * given breakpoint. * * If the given breakpoint is `BREAKPOINT.md`, the method returns `true` when the * window innerWidth is larger than the configured size of `BREAKPOINT.sm`. */ isUp(breakpoint) { return this.breakpoint$.pipe(map((br) => this.breakpoints .slice(this.breakpoints.indexOf(breakpoint)) .includes(br))); } /** * Indicates whether the given breakpoint fits in the current screen size. */ isEqual(breakpoint) { return this.breakpoint$.pipe(map((br) => br === breakpoint)); } /** * Returns the fallback breakpoint in case no breakpoint can be resolved. This is * typically the case when we're on SSR without an actual window. * * Returns the smallest screen size (mobile first). */ get fallbackBreakpoint() { var _a; return (_a = this.breakpoints) === null || _a === void 0 ? void 0 : _a[0]; } /** * Resolves the breakpoints and sorts them according to the configured size. * * The sort order is by small to large screens. */ resolveBreakpointsFromConfig() { const sortByScreenSize = (next, prev) => { const maxNext = Math.max(this.getMinSize(next) + 1 || 0, this.getMaxSize(next) || 0); const maxPrev = Math.max(this.getMinSize(prev) + 1 || 0, this.getMaxSize(prev) || 0); return maxNext < maxPrev ? -1 : 0; }; return Object.keys(this.config).sort(sortByScreenSize); } /** * Returns the _maximum_ size for the breakpoint, given by the * `LayoutConfig.breakpoints` configuration. We will try to resolve the * max size form the current breakpoint, but if this is not available, we * resolve it form the next breakpoint */ getMaxSize(breakpoint) { const breakpointConfig = this.config[breakpoint]; if (!breakpointConfig) { return null; } // we treat numbers as the max number by default if (typeof breakpointConfig === 'number') { return breakpointConfig; } else if (breakpointConfig.max) { return breakpointConfig.max; } else { return null; } } getMinSize(breakpoint) { var _a; return (_a = this.config[breakpoint]) === null || _a === void 0 ? void 0 : _a.min; } /** * Returns a `BREAKPOINT` for the given window size. * * This method tries to match the closest breakpoint for the given * window size. We'll fallback to the `largest` size in case the window * is greater than the largest configurable breakpoint. * * The windowWidth should be smaller than the maximum size of any of the * screen sizes defined in the `LayoutConfig.breakpoints`. */ getBreakpoint(windowWidth) { var _a, _b; return ((_a = this.breakpoints.find((br) => windowWidth < this.getSize(br))) !== null && _a !== void 0 ? _a : (_b = this.breakpoints) === null || _b === void 0 ? void 0 : _b[this.breakpoints.length - 1]); } /** * Helper method to return the breakpoint configuration. */ get config() { var _a; return ((_a = this.layoutConfig) === null || _a === void 0 ? void 0 : _a.breakpoints) || {}; } } BreakpointService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.0.5", ngImport: i0, type: BreakpointService, deps: [{ token: i1.WindowRef }, { token: i2.LayoutConfig }, { token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Injectable }); BreakpointService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "12.0.5", ngImport: i0, type: BreakpointService, providedIn: 'root' }); 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The screen sizes are globally configurable based on your\n * layout requirements. You can adjust the screen sizes by setting the minimum\n * and/or maximum size for a breakpoint, as well as extending the configuration\n * with new screens.\n *\n * By default, the `BreakpointService` is based on the breakpoints from the\n * Bootstrap ui library:\n * - `xs`: < 576px\n * - `sm`: 576px - 767px\n * - `md`: 768px - 991px\n * - `lg`: 992px - 1199px\n * - `xl`: >= 1200px\n */\n@Injectable({\n  providedIn: 'root',\n})\nexport class BreakpointService {\n  private _breakpoints: BREAKPOINT[];\n\n  breakpoint$: Observable<BREAKPOINT> = isPlatformBrowser(this.platform)\n    ? this.winRef.resize$.pipe(\n        map((event) => this.getBreakpoint((<Window>event.target).innerWidth)),\n        distinctUntilChanged()\n      )\n    : of(this.fallbackBreakpoint);\n\n  constructor(\n    protected winRef: WindowRef,\n    protected layoutConfig: LayoutConfig,\n    @Inject(PLATFORM_ID) protected platform: any\n  ) {}\n\n  /**\n   * Returns the breakpoints for the storefront layout.\n   *\n   * The breakpoints are driven by the `LayoutConfig.breakpoints` and sorted based on\n   * the given screen size.\n   */\n  get breakpoints(): BREAKPOINT[] {\n    if (!this._breakpoints) {\n      this._breakpoints = this.resolveBreakpointsFromConfig();\n    }\n    return this._breakpoints;\n  }\n\n  /**\n   * Returns the _maximum_ size for the breakpoint, given by the `LayoutConfig.breakpoints`\n   * configuration.\n   */\n  getSize(breakpoint: BREAKPOINT): number {\n    return (\n      this.getMaxSize(breakpoint) ??\n      // if there's no direct max value or explicit max value\n      // we must derive the max value from the previous min\n      this.getMinSize(\n        this.breakpoints?.[this.breakpoints.indexOf(breakpoint) + 1]\n      )\n    );\n  }\n\n  /**\n   * Indicates whether the current screen size is smaller than the maximum size of the\n   * given breakpoint.\n   *\n   * If the given breakpoint is `BREAKPOINT.md`, the method returns `true` when the\n   * window innerWidth is smaller than the configured size of `BREAKPOINT.md`.\n   */\n  isDown(breakpoint: BREAKPOINT): Observable<boolean> {\n    return this.breakpoint$.pipe(\n      map((br) =>\n        this.breakpoints\n          .slice(0, this.breakpoints.indexOf(breakpoint) + 1)\n          .includes(br)\n      )\n    );\n  }\n\n  /**\n   * Indicates whether the current screen size is larger than the minimum size of the\n   * given breakpoint.\n   *\n   * If the given breakpoint is `BREAKPOINT.md`, the method returns `true` when the\n   * window innerWidth is larger than the configured size of `BREAKPOINT.sm`.\n   */\n  isUp(breakpoint: BREAKPOINT): Observable<boolean> {\n    return this.breakpoint$.pipe(\n      map((br) =>\n        this.breakpoints\n          .slice(this.breakpoints.indexOf(breakpoint))\n          .includes(br)\n      )\n    );\n  }\n\n  /**\n   * Indicates whether the given breakpoint fits in the current screen size.\n   */\n  isEqual(breakpoint: BREAKPOINT): Observable<boolean> {\n    return this.breakpoint$.pipe(map((br) => br === breakpoint));\n  }\n\n  /**\n   * Returns the fallback breakpoint in case no breakpoint can be resolved. This is\n   * typically the case when we're on SSR without an actual window.\n   *\n   * Returns the smallest screen size (mobile first).\n   */\n  protected get fallbackBreakpoint(): BREAKPOINT {\n    return this.breakpoints?.[0];\n  }\n\n  /**\n   * Resolves the breakpoints and sorts them according to the configured size.\n   *\n   * The sort order is by small to large screens.\n   */\n  protected resolveBreakpointsFromConfig(): BREAKPOINT[] {\n    const sortByScreenSize = (next: BREAKPOINT, prev: BREAKPOINT): number => {\n      const maxNext = Math.max(\n        this.getMinSize(next) + 1 || 0,\n        this.getMaxSize(next) || 0\n      );\n      const maxPrev = Math.max(\n        this.getMinSize(prev) + 1 || 0,\n        this.getMaxSize(prev) || 0\n      );\n      return maxNext < maxPrev ? -1 : 0;\n    };\n    return (Object.keys(this.config) as BREAKPOINT[]).sort(sortByScreenSize);\n  }\n\n  /**\n   * Returns the _maximum_ size for the breakpoint, given by the\n   * `LayoutConfig.breakpoints` configuration. We will try to resolve the\n   * max size form the current breakpoint, but if this is not available, we\n   * resolve it form the next breakpoint\n   */\n  protected getMaxSize(breakpoint: BREAKPOINT): number {\n    const breakpointConfig = this.config[breakpoint];\n\n    if (!breakpointConfig) {\n      return null;\n    }\n\n    // we treat numbers as the max number by default\n    if (typeof breakpointConfig === 'number') {\n      return breakpointConfig as number;\n    } else if (breakpointConfig.max) {\n      return breakpointConfig.max;\n    } else {\n      return null;\n    }\n  }\n\n  protected getMinSize(breakpoint: BREAKPOINT): number {\n    return (this.config[breakpoint] as BreakPoint)?.min;\n  }\n\n  /**\n   * Returns a `BREAKPOINT` for the given window size.\n   *\n   * This method tries to match the closest breakpoint for the given\n   * window size. We'll fallback to the `largest` size in case the window\n   * is greater than the largest configurable breakpoint.\n   *\n   * The windowWidth should be smaller than the maximum size of any of the\n   * screen sizes defined in the `LayoutConfig.breakpoints`.\n   */\n  protected getBreakpoint(windowWidth: number): BREAKPOINT {\n    return (\n      this.breakpoints.find((br) => windowWidth < this.getSize(br)) ??\n      this.breakpoints?.[this.breakpoints.length - 1]\n    );\n  }\n\n  /**\n   * Helper method to return the breakpoint configuration.\n   */\n  protected get config(): LayoutBreakPoints {\n    return this.layoutConfig?.breakpoints || {};\n  }\n}\n"]}