49 lines
856 B
TypeScript
49 lines
856 B
TypeScript
|
import { isArray, has } from "lodash-es";
|
||
|
|
|
||
|
|
function parse(rules: string[], { url, size }: any) {
|
||
|
|
if (!url) {
|
||
|
|
return "";
|
||
|
|
}
|
||
|
|
|
||
|
|
let h = 0;
|
||
|
|
let w = 0;
|
||
|
|
|
||
|
|
if (isArray(size)) {
|
||
|
|
h = size[0];
|
||
|
|
w = size[1];
|
||
|
|
} else if (has(size, "h")) {
|
||
|
|
h = size.h;
|
||
|
|
w = size.w;
|
||
|
|
|
||
|
|
if (size.m) {
|
||
|
|
rules.push(`m_${size.m}`);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
h = w = size;
|
||
|
|
}
|
||
|
|
|
||
|
|
url += url.includes("?") ? "&" : "?";
|
||
|
|
|
||
|
|
if (h) {
|
||
|
|
rules.push(`h_${h}`);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (w) {
|
||
|
|
rules.push(`w_${w}`);
|
||
|
|
}
|
||
|
|
|
||
|
|
return `${url}${rules.join(",")}`;
|
||
|
|
}
|
||
|
|
|
||
|
|
type Size = number | number[] | { h?: number; w?: number; m?: string };
|
||
|
|
|
||
|
|
function videoPoster(url: string, size: Size) {
|
||
|
|
return parse(["x-oss-process=video/snapshot,t_1000,f_jpg,m_fast"], { url, size });
|
||
|
|
}
|
||
|
|
|
||
|
|
function resizeImage(url: string, size: Size) {
|
||
|
|
return parse(["x-oss-process=image/resize"], { url, size });
|
||
|
|
}
|
||
|
|
|
||
|
|
export { videoPoster, resizeImage };
|