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type BaseProps = {
family: string;
fontSize: string;
lineHeight: string;
text: string;
fontWeight: string;
letterSpacing: string;
textShadow: string;
webkitTextStroke: string;
id?: string;
textTransform: string;
};
type TextHeightProps = BaseProps & {
width: string;
};
export function htmlToPlainText(html: string): string {
const div = document.createElement("div");
div.innerHTML = html;
const lines: string[] = [];
for (const child of div.childNodes) {
if (child.nodeType === Node.ELEMENT_NODE) {
const el = child as HTMLElement;
// Explicit handling for <br>
if (el.tagName === "BR") {
lines.push("");
}
// Each <div> or <p> becomes a new line (even if it's empty)
else if (el.tagName === "DIV" || el.tagName === "P") {
// If it contains <br> or is empty, it still counts as a line
const text = el.textContent?.replace(/\u00A0/g, ""); // Remove non-breaking spaces
lines.push(text || "");
}
} else if (child.nodeType === Node.TEXT_NODE) {
lines.push(child.textContent || "");
}
}
return lines.join("\n");
}
export const sanitizeHtmlRemoveHeights = (html: string): string => {
const parser = new DOMParser();
const doc = parser.parseFromString(html, "text/html");
const removeHeights = (element: HTMLElement) => {
element.style.removeProperty("height");
for (const child of Array.from(element.children)) {
removeHeights(child as HTMLElement);
}
};
for (const el of Array.from(doc.body.children)) {
removeHeights(el as HTMLElement);
}
return doc.body.innerHTML;
};
export const calculateTextHeight = (props: TextHeightProps) => {
const {
family,
fontSize,
width,
lineHeight,
letterSpacing,
textShadow,
webkitTextStroke,
fontWeight,
textTransform,
text
} = props;
const div = document.createElement("div");
const cleanText = sanitizeHtmlRemoveHeights(text);
div.innerHTML = cleanText || "a";
// div.style.visibility = 'hidden';
div.style.whiteSpace = "normal";
div.style.overflowWrap = "break-word";
div.style.wordSpacing = "normal";
div.style.wordBreak = "normal";
div.style.width = width;
div.style.fontSize = fontSize;
div.style.fontFamily = family;
div.style.lineHeight = lineHeight;
// div.style.height = 'fit-content';
div.style.fontWeight = fontWeight;
div.style.letterSpacing = letterSpacing;
// div.style.position = "absolute";
div.style.top = "100";
div.style.left = "100";
div.style.webkitTextStroke = webkitTextStroke;
div.style.textShadow = textShadow;
div.style.textTransform = textTransform;
div.style.backgroundColor = "red";
div.style.minWidth = `${1}ch`;
document.body.appendChild(div);
const newHeight = div.clientHeight;
document.body.removeChild(div);
return newHeight;
};
export const calculateCaptionHeight = (props: TextHeightProps) => {
const {
family,
fontSize,
width,
lineHeight,
letterSpacing,
textShadow,
webkitTextStroke,
fontWeight,
textTransform,
text
} = props;
const div = document.createElement("div");
const cleanText = sanitizeHtmlRemoveHeights(text);
div.innerHTML = cleanText || "a";
div.style.visibility = "hidden";
div.style.whiteSpace = "normal";
div.style.overflowWrap = "break-word";
div.style.wordBreak = "normal";
div.style.width = width;
div.style.fontSize = fontSize;
div.style.fontFamily = family;
div.style.lineHeight = lineHeight;
div.style.height = "fit-content";
div.style.fontWeight = fontWeight;
div.style.letterSpacing = letterSpacing;
div.style.position = "absolute";
div.style.top = "100";
div.style.left = "100";
div.style.webkitTextStroke = webkitTextStroke;
div.style.textShadow = textShadow;
div.style.textTransform = textTransform;
div.style.minWidth = `${1}ch`;
document.body.appendChild(div);
const newHeight = div.clientHeight;
document.body.removeChild(div);
return newHeight;
};
export const calculateMinWidth = (props: Omit<TextHeightProps, "width">) => {
const {
family,
fontSize,
lineHeight,
letterSpacing,
textShadow,
webkitTextStroke,
fontWeight,
textTransform,
text
} = props;
const div = document.createElement("div");
div.style.visibility = "hidden";
div.style.whiteSpace = "pre-wrap";
div.style.overflowWrap = "break-word";
div.style.fontSize = fontSize;
div.style.fontFamily = family;
div.style.lineHeight = lineHeight;
div.style.height = "fit-content";
div.style.fontWeight = fontWeight;
div.style.letterSpacing = letterSpacing;
div.style.position = "absolute";
div.style.top = "100";
div.style.left = "100";
div.style.webkitTextStroke = webkitTextStroke;
div.style.textShadow = textShadow;
div.style.textTransform = textTransform;
div.style.width = "0px";
div.style.minWidth = `${1}ch`;
// const compositionLayer = document.querySelector(`[data-text-id="${id}"]`)
div.innerText = "aaa";
div.textContent = "aaa";
document.body.appendChild(div);
const minWidth = div.clientWidth;
document.body.removeChild(div);
return minWidth;
};
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