/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

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t=e;for(;null!=t;){if(t.nodeType===Node.TEXT_NODE)return t;t=t.firstChild}return null}function K(e){const t=e.parentNode;if(null==t)throw new Error("Should never happen");return[t,Array.from(t.childNodes).indexOf(e)]}function E(t,n,o,l,r){const s=n.getKey(),i=l.getKey(),c=document.createRange();let f=t.getElementByKey(s),u=t.getElementByKey(i),g=o,a=r;if(e(n)&&(f=P(f)),e(l)&&(u=P(u)),void 0===n||void 0===l||null===f||null===u)return null;"BR"===f.nodeName&&([f,g]=K(f)),"BR"===u.nodeName&&([u,a]=K(u));const d=f.firstChild;f===u&&null!=d&&"BR"===d.nodeName&&0===g&&0===a&&(a=1);try{c.setStart(f,g),c.setEnd(u,a)}catch(e){return null}return!c.collapsed||g===a&&s===i||(c.setStart(u,a),c.setEnd(f,g)),c}function k(e,t){const n=e.getRootElement();if(null===n)return[];const o=n.getBoundingClientRect(),l=getComputedStyle(n),r=parseFloat(l.paddingLeft)+parseFloat(l.paddingRight),s=Array.from(t.getClientRects());let i,c=s.length;s.sort(((e,t)=>{const n=e.top-t.top;return 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T(o)){if(w(e))return!e.origin.isInline();if(!r(e.origin)){if(v(e.origin))return!0;break}}return!1}function Y(e,t,n,o){e.modify(t?"extend":"move",n,o)}function Z(e){const t=J(e);return null!==t&&"rtl"===t.direction}function ee(e,t,n){const o=Z(e);let l;l=G(e)||o?!n:n,Y(e,t,l,"character")}function te(e,t,n){const o=B(e.getStyle());return null!==o&&o[t]||n}function ne(t,n,o=""){let l=null;const r=t.getNodes(),s=t.anchor,i=t.focus,c=t.isBackward(),u=c?i.offset:s.offset,g=c?i.getNode():s.getNode();if(f(t)&&t.isCollapsed()&&""!==t.style){const e=B(t.style);if(null!==e&&n in e)return e[n]}for(let t=0;t<r.length;t++){const s=r[t];if((0===t||0!==u||!s.is(g))&&e(s)){const e=te(s,n,o);if(null===l)l=e;else if(l!==e){l="";break}}}return null===l?o:l}function oe(e,t){let n=e;for(;null!==n&&null!==n.getParent()&&!t(n);)n=n.getParentOrThrow();return t(n)?n:null}const le=M;export{L as $addNodeStyle,j as $copyBlockFormatIndent,U as $ensureForwardRangeSelection,D as $forEachSelectedTextNode,b as 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