1 line
2.3 KiB
JavaScript
1 line
2.3 KiB
JavaScript
const smForm=document.createElement("template");smForm.innerHTML='\n <style>\n *{\n padding: 0;\n margin: 0;\n box-sizing: border-box;\n }\n :host{\n display: flex;\n --gap: 1rem;\n width: 100%;\n }\n form{\n display: grid;\n gap: var(--gap);\n width: 100%;\n }\n </style>\n\t<form onsubmit="return false">\n\t\t<slot></slot>\n\t</form>\n',customElements.define("sm-form",class extends HTMLElement{constructor(){super(),this.attachShadow({mode:"open"}).append(smForm.content.cloneNode(!0)),this.form=this.shadowRoot.querySelector("form"),this.formElements,this.requiredElements,this.submitButton,this.resetButton,this.allRequiredValid=!1,this.debounce=this.debounce.bind(this),this.handleInput=this.handleInput.bind(this),this.handleKeydown=this.handleKeydown.bind(this),this.reset=this.reset.bind(this)}debounce(t,e){let s=null;return(...n)=>{window.clearTimeout(s),s=window.setTimeout(()=>{t.apply(null,n)},e)}}handleInput(t){this.allRequiredValid=this.requiredElements.every(t=>t.isValid),this.submitButton&&(this.allRequiredValid?this.submitButton.disabled=!1:this.submitButton.disabled=!0)}handleKeydown(t){"Enter"===t.key&&"SM-TEXTAREA"!==t.target.tagName&&(this.allRequiredValid?this.submitButton.click():this.requiredElements.find(t=>!t.isValid).vibrate())}reset(){this.formElements.forEach(t=>t.reset())}connectedCallback(){const t=this.shadowRoot.querySelector("slot");t.addEventListener("slotchange",t=>{this.formElements=[...this.querySelectorAll("sm-input, sm-textarea, sm-checkbox, tags-input, file-input, sm-switch, sm-radio")],this.requiredElements=this.formElements.filter(t=>t.hasAttribute("required")),this.submitButton=t.target.assignedElements().find(t=>"primary"===t.getAttribute("variant")||"submit"===t.getAttribute("type")),this.resetButton=t.target.assignedElements().find(t=>"reset"===t.getAttribute("type")),this.resetButton&&this.resetButton.addEventListener("click",this.reset)}),this.addEventListener("input",this.debounce(this.handleInput,100)),this.addEventListener("keydown",this.debounce(this.handleKeydown,100))}disconnectedCallback(){this.removeEventListener("input",this.debounce(this.handleInput,100)),this.removeEventListener("keydown",this.debounce(this.handleKeydown,100))}}); |