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