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feat: simple markdown parser (#252)

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* feat: simple markdown parser

* chore: rename test file name

* feat: add plain text link parser

* chore: update style
This commit is contained in:
boojack
2022-10-02 22:49:30 +08:00
committed by GitHub
parent 8e63b8f289
commit 51fb8ddb07
25 changed files with 504 additions and 179 deletions
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104
web/src/helpers/utils.ts
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@ -80,102 +80,6 @@ export function getDateTimeString(t: Date | number | string): string {
return `${year}/${monthStr}/${dateStr} ${hoursStr}:${minsStr}:${secsStr}`;
}
export function dedupe<T>(data: T[]): T[] {
return Array.from(new Set(data));
}
export function dedupeObjectWithId<T extends { id: string | number }>(data: T[]): T[] {
const idSet = new Set<string | number>();
const result = [];
for (const d of data) {
if (!idSet.has(d.id)) {
idSet.add(d.id);
result.push(d);
}
}
return result;
}
export function debounce(fn: FunctionType, delay: number) {
let timer: number | null = null;
return () => {
if (timer) {
clearTimeout(timer);
timer = setTimeout(fn, delay);
} else {
timer = setTimeout(fn, delay);
}
};
}
export function throttle(fn: FunctionType, delay: number) {
let valid = true;
return () => {
if (!valid) {
return false;
}
valid = false;
setTimeout(() => {
fn();
valid = true;
}, delay);
};
}
export function filterObjectNullKeys(object: KVObject): KVObject {
if (!object) {
return {};
}
const finalObject: KVObject = {};
const keys = Object.keys(object).sort();
for (const key of keys) {
const val = object[key];
if (typeof val === "object") {
const temp = filterObjectNullKeys(JSON.parse(JSON.stringify(val)));
if (temp && Object.keys(temp).length > 0) {
finalObject[key] = temp;
}
} else {
if (val) {
finalObject[key] = val;
}
}
}
return finalObject;
}
export function getImageSize(src: string): Promise<{ width: number; height: number }> {
return new Promise((resolve) => {
const imgEl = new Image();
imgEl.onload = () => {
const { width, height } = imgEl;
if (width > 0 && height > 0) {
resolve({ width, height });
} else {
resolve({ width: 0, height: 0 });
}
};
imgEl.onerror = () => {
resolve({ width: 0, height: 0 });
};
imgEl.className = "hidden";
imgEl.src = src;
document.body.appendChild(imgEl);
imgEl.remove();
});
}
export const getElementBounding = (element: HTMLElement, relativeEl?: HTMLElement) => {
const scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop;
const scrollLeft = window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft;
@ -224,3 +128,11 @@ export const getElementBounding = (element: HTMLElement, relativeEl?: HTMLElemen
left: elementRect.left + scrollLeft,
});
};
export const parseHTMLToRawText = (htmlStr: string): string => {
const tempEl = document.createElement("div");
tempEl.className = "memo-content-text";
tempEl.innerHTML = htmlStr;
const text = tempEl.innerText;
return text;
};