{"version":3,"file":"ngwr-collapse.mjs","sources":["../../../projects/lib/collapse/tokens/collapse-group.token.ts","../../../projects/lib/collapse/collapse.ts","../../../projects/lib/collapse/collapse.html","../../../projects/lib/collapse/collapse-group.ts","../../../projects/lib/collapse/accordion.ts","../../../projects/lib/collapse/ngwr-collapse.ts"],"sourcesContent":["/**\n * @license\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/thekhegay/ngwr/blob/main/LICENSE\n */\n\nimport { InjectionToken, type Signal } from '@angular/core';\n\n/**\n * Contract a collapse uses to talk to its parent `<wr-collapse-group>`.\n *\n * @internal\n */\nexport interface WrCollapseGroupContext {\n  /** When true, only one child collapse may be open at a time. */\n  readonly accordion: Signal<boolean>;\n  /** Called by a child when it opens — closes siblings in accordion mode. */\n  notifyOpened(opener: object): void;\n  /** Register a child so the group can call `closeAll()` etc. */\n  register(member: { close(): void; readonly id: object }): void;\n  /** Unregister on destroy. */\n  unregister(memberId: object): void;\n}\n\n/**\n * Token a `<wr-collapse>` injects to register itself with — and notify of\n * open events — its parent `<wr-collapse-group>`. Drives the accordion\n * behaviour when the group has `accordion` enabled.\n *\n * @internal\n */\nexport const WR_COLLAPSE_GROUP = new InjectionToken<WrCollapseGroupContext>('WR_COLLAPSE_GROUP');\n","/**\n * @license\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/thekhegay/ngwr/blob/main/LICENSE\n */\n\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { Component, DestroyRef, ViewEncapsulation, computed, effect, inject, input, model } from '@angular/core';\n\nimport { randomId } from 'ngwr/utils';\n\nimport { WR_COLLAPSE_GROUP } from './tokens';\n\n/**\n * Expandable panel with a clickable header. Two-way binds the `open`\n * state. When wrapped in `<wr-collapse-group accordion>`, only one\n * sibling can be open at a time.\n *\n * @example\n * ```html\n * <wr-collapse title=\"Section title\">\n *   Section body…\n * </wr-collapse>\n *\n * <wr-collapse-group accordion>\n *   <wr-collapse title=\"A\">…</wr-collapse>\n *   <wr-collapse title=\"B\">…</wr-collapse>\n * </wr-collapse-group>\n * ```\n *\n * @see https://ngwr.dev/components/collapse\n */\n@Component({\n  selector: 'wr-collapse',\n  templateUrl: './collapse.html',\n  encapsulation: ViewEncapsulation.None,\n  host: { '[class]': 'classes()' },\n})\nexport class WrCollapse {\n  /** Header text. */\n  readonly title = input.required<string>();\n\n  /** Two-way bindable open/closed state. @default false */\n  readonly open = model<boolean>(false);\n\n  /** Disable interaction. @default false */\n  readonly disabled = input(false, { transform: coerceBooleanProperty });\n\n  /** Identity used by the parent group when tracking children. @internal */\n  readonly id = { name: randomId('wr-collapse') };\n\n  /** DOM id for the body element, referenced by header's `aria-controls`. */\n  protected readonly bodyId = `wr-collapse-body-${this.id.name}`;\n\n  private readonly group = inject(WR_COLLAPSE_GROUP, { optional: true });\n  private readonly destroyRef = inject(DestroyRef);\n\n  protected readonly classes = computed(() => {\n    const parts = ['wr-collapse'];\n    if (this.open()) parts.push('wr-collapse--open');\n    if (this.disabled()) parts.push('wr-collapse--disabled');\n    return parts.join(' ');\n  });\n\n  constructor() {\n    if (this.group) {\n      this.group.register({ id: this.id, close: () => this.open.set(false) });\n      this.destroyRef.onDestroy(() => this.group?.unregister(this.id));\n\n      // Tell the group whenever we open — group decides whether to close siblings.\n      effect(() => {\n        if (this.open()) this.group?.notifyOpened(this.id);\n      });\n    }\n  }\n\n  /** Open the panel. */\n  openPanel(): void {\n    if (this.disabled()) return;\n    this.open.set(true);\n  }\n\n  /** Close the panel. */\n  close(): void {\n    this.open.set(false);\n  }\n\n  /** Toggle the panel. */\n  toggle(): void {\n    if (this.disabled()) return;\n    this.open.update(v => !v);\n  }\n}\n","<button\n  type=\"button\"\n  class=\"wr-collapse__header\"\n  [attr.aria-expanded]=\"open()\"\n  [attr.aria-controls]=\"bodyId\"\n  [disabled]=\"disabled()\"\n  (click)=\"toggle()\"\n>\n  <span class=\"wr-collapse__title\">{{ title() }}</span>\n  <svg\n    class=\"wr-icon__svg wr-collapse__chevron\"\n    xmlns=\"http://www.w3.org/2000/svg\"\n    viewBox=\"0 0 24 24\"\n    fill=\"none\"\n    stroke=\"currentColor\"\n    stroke-width=\"2\"\n    stroke-linecap=\"round\"\n    stroke-linejoin=\"round\"\n    aria-hidden=\"true\"\n  >\n    <path d=\"m6 9 6 6 6-6\" />\n  </svg>\n</button>\n\n<div\n  class=\"wr-collapse__body\"\n  [attr.id]=\"bodyId\"\n  [class.wr-collapse__body--open]=\"open()\"\n  [attr.aria-hidden]=\"!open()\"\n  [attr.inert]=\"!open() ? '' : null\"\n>\n  <div class=\"wr-collapse__content\">\n    <div class=\"wr-collapse__inner\">\n      <ng-content />\n    </div>\n  </div>\n</div>\n","/**\n * @license\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/thekhegay/ngwr/blob/main/LICENSE\n */\n\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { Component, ViewEncapsulation, forwardRef, input } from '@angular/core';\n\nimport { WR_COLLAPSE_GROUP, type WrCollapseGroupContext } from './tokens';\n\ninterface Member {\n  close(): void;\n  readonly id: object;\n}\n\n/**\n * Visual + behavioral grouping of `<wr-collapse>` children. When\n * `accordion` is true, opening one child closes the others.\n *\n * @see https://ngwr.dev/components/collapse\n */\n@Component({\n  selector: 'wr-collapse-group',\n  template: '<ng-content />',\n  encapsulation: ViewEncapsulation.None,\n  host: { class: 'wr-collapse-group' },\n  providers: [\n    {\n      provide: WR_COLLAPSE_GROUP,\n      // eslint-disable-next-line @angular-eslint/no-forward-ref\n      useExisting: forwardRef(() => WrCollapseGroup),\n    },\n  ],\n})\nexport class WrCollapseGroup implements WrCollapseGroupContext {\n  /** When true, only one child may be open at a time. @default false */\n  readonly accordion = input(false, { transform: coerceBooleanProperty });\n\n  private readonly members = new Map<object, Member>();\n\n  register(member: Member): void {\n    this.members.set(member.id, member);\n  }\n\n  unregister(memberId: object): void {\n    this.members.delete(memberId);\n  }\n\n  notifyOpened(opener: object): void {\n    if (!this.accordion()) return;\n    for (const [id, member] of this.members) {\n      if (id !== opener) member.close();\n    }\n  }\n}\n","/**\n * @license\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/thekhegay/ngwr/blob/main/LICENSE\n */\n\nimport { Component, ViewEncapsulation, forwardRef, signal } from '@angular/core';\n\nimport { WR_COLLAPSE_GROUP, type WrCollapseGroupContext } from './tokens';\n\ninterface Member {\n  close(): void;\n  readonly id: object;\n}\n\n/**\n * Accordion — a `<wr-collapse>` container that enforces single-open\n * behavior: opening a child closes its siblings.\n *\n * Use `<wr-collapse-group>` when you only need visual grouping without\n * the mutually-exclusive open semantics.\n *\n * @example\n * ```html\n * <wr-accordion>\n *   <wr-collapse title=\"Profile\">…</wr-collapse>\n *   <wr-collapse title=\"Security\">…</wr-collapse>\n *   <wr-collapse title=\"Notifications\">…</wr-collapse>\n * </wr-accordion>\n * ```\n *\n * @see https://ngwr.dev/components/collapse\n */\n@Component({\n  selector: 'wr-accordion',\n  template: '<ng-content />',\n  encapsulation: ViewEncapsulation.None,\n  host: { class: 'wr-collapse-group wr-collapse-group--accordion' },\n  providers: [\n    {\n      provide: WR_COLLAPSE_GROUP,\n      // eslint-disable-next-line @angular-eslint/no-forward-ref\n      useExisting: forwardRef(() => WrAccordion),\n    },\n  ],\n})\nexport class WrAccordion implements WrCollapseGroupContext {\n  /** Always behaves as an accordion. Provided for context-interface symmetry. */\n  readonly accordion = signal(true).asReadonly();\n\n  private readonly members = new Map<object, Member>();\n\n  register(member: Member): void {\n    this.members.set(member.id, member);\n  }\n\n  unregister(memberId: object): void {\n    this.members.delete(memberId);\n  }\n\n  notifyOpened(opener: object): void {\n    for (const [id, member] of this.members) {\n      if (id !== opener) member.close();\n    }\n  }\n}\n","/**\n * Generated bundle index. 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