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const convertButton = document.getElementById("convert-button");
const uploadButton = document.getElementById("upload-button");
const markdownInput = document.getElementById("markdown");
const imageInput = document.getElementById("image");
const mdFileInput = document.getElementById("md-file");
// stack overflow session state js
const convertForm=document.getElementById("convert-form"),PERSISTENCE_KEY="likha-pdf:form-state:v1";function readPersistedState(){try{const e=localStorage.getItem(PERSISTENCE_KEY);return e?JSON.parse(e):null}catch{return null}}function writePersistedState(e){try{localStorage.setItem(PERSISTENCE_KEY,JSON.stringify(e))}catch{}}function collectFormState(){if(!(convertForm instanceof HTMLFormElement))return;const e={},t=Array.from(convertForm.elements);for(const n of t){if(!(n instanceof HTMLElement))continue;const t=n.getAttribute("name");t&&"markdown"!==t&&(n instanceof HTMLInputElement?"radio"===n.type?n.checked&&(e[t]=n.value):"checkbox"===n.type&&(e[t]=n.checked):n instanceof HTMLSelectElement&&(e[t]=n.value))}writePersistedState({markdown:markdownInput?.value??"",fields:e})}function restoreFormState(){if(!(convertForm instanceof HTMLFormElement))return;const e=readPersistedState();if(!e||"object"!=typeof e)return;markdownInput&&"string"==typeof e.markdown&&(markdownInput.value=e.markdown,markdownInput.readOnly=!1),imageInput&&(imageInput.disabled=!1),uploadButton&&(uploadButton.disabled=!1);const t=e.fields;if(t&&"object"==typeof t)for(const[e,n]of Object.entries(t)){const t=convertForm.elements.namedItem(e);t&&(t instanceof RadioNodeList?t.value=String(n):t instanceof HTMLElement&&(t instanceof HTMLInputElement&&"checkbox"===t.type?t.checked=Boolean(n):(t instanceof HTMLInputElement||t instanceof HTMLSelectElement)&&(t.value=String(n))))}}restoreFormState();
document.body.addEventListener("htmx:beforeRequest", (event) => {
const elt = event.detail?.elt;
if (!elt) {
return;
}
if (elt.id === "convert-form" && convertButton) {
convertButton.disabled = true;
convertButton.textContent = "generating...";
}
if (elt.id === "upload-button" && uploadButton) {
uploadButton.disabled = true;
uploadButton.textContent = "uploading...";
}
});
document.body.addEventListener("htmx:afterRequest", (event) => {
const elt = event.detail?.elt;
if (!elt) {
return;
}
if (elt.id === "convert-form" && convertButton) {
convertButton.disabled = false;
convertButton.textContent = "generate pdf";
}
if (elt.id === "upload-button" && uploadButton) {
uploadButton.disabled = false;
uploadButton.textContent = "upload image";
}
});
if (convertForm instanceof HTMLFormElement) {
convertForm.addEventListener("input", collectFormState);
convertForm.addEventListener("change", collectFormState);
}
document.body.addEventListener("htmx:afterSwap", (event) => {
const target = event.detail?.target;
const requestElt = event.detail?.requestConfig?.elt;
if (!(target instanceof HTMLElement) || target.id !== "result") {
return;
}
if (!(requestElt instanceof HTMLElement) || requestElt.id !== "convert-form") {
return;
}
target.scrollIntoView({ behavior: "smooth", block: "start" });
});
if (mdFileInput) {
mdFileInput.addEventListener("change", () => {
const file = mdFileInput.files?.[0];
if (file) {
const reader = new FileReader();
reader.onload = (e) => {
if (markdownInput) {
markdownInput.value = /** @type {string} */ (e.target.result);
markdownInput.readOnly = true;
}
if (imageInput) {
imageInput.disabled = true;
}
if (uploadButton) {
uploadButton.disabled = true;
}
collectFormState();
};
reader.readAsText(file);
} else {
if (markdownInput) {
markdownInput.value = "";
markdownInput.readOnly = false;
}
if (imageInput) {
imageInput.disabled = false;
}
if (uploadButton) {
uploadButton.disabled = false;
}
collectFormState();
}
});
}
document.body.addEventListener("click", (event) => {
const target = event.target;
if (!(target instanceof HTMLElement)) {
return;
}
const button = target.closest("[data-insert-markdown]");
if (!(button instanceof HTMLElement) || !markdownInput) {
return;
}
const snippet = button.dataset.insertMarkdown;
if (!snippet) {
return;
}
const needsLeadingNewline = markdownInput.value && !markdownInput.value.endsWith("\n");
const prefix = needsLeadingNewline ? "\n" : "";
markdownInput.value += `${prefix}${snippet}\n`;
markdownInput.focus();
collectFormState();
});
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