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@gsretail.com/gui-core

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A skeleton to create your own React component library using Rollup, TypeScript, Sass and Storybook

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import{DIRECTION as t}from"./utils.js";class s{constructor(t){for(Object.assign(this,t);this.value.slice(0,this.startChangePos)!==this.oldValue.slice(0,this.startChangePos);)--this.oldSelection.start;for(;this.value.slice(this.cursorPos)!==this.oldValue.slice(this.oldSelection.end);)this.value.length-this.cursorPos<this.oldValue.length-this.oldSelection.end?++this.oldSelection.end:++this.cursorPos}get startChangePos(){return Math.min(this.cursorPos,this.oldSelection.start)}get insertedCount(){return this.cursorPos-this.startChangePos}get inserted(){return this.value.substr(this.startChangePos,this.insertedCount)}get removedCount(){return Math.max(this.oldSelection.end-this.startChangePos||this.oldValue.length-this.value.length,0)}get removed(){return this.oldValue.substr(this.startChangePos,this.removedCount)}get head(){return this.value.substring(0,this.startChangePos)}get tail(){return this.value.substring(this.startChangePos+this.insertedCount)}get removeDirection(){return!this.removedCount||this.insertedCount?t.NONE:this.oldSelection.end!==this.cursorPos&&this.oldSelection.start!==this.cursorPos||this.oldSelection.end!==this.oldSelection.start?t.LEFT:t.RIGHT}}export{s as default};