markdown-it-image-loading
Version:
markdown 图片 loading 效果
38 lines (27 loc) • 13.4 kB
JavaScript
;
const defaultLoadingImg = 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";
const defaultOptions = {
loadingSrc: defaultLoadingImg,
loadingWidth: 30,
loadingHeight: 30,
minWidth: 100,
minHeight: 100,
bgColor: ''
}
module.exports = function loading(md, options) {
md.use(require('markdown-it-attrs'))
var defaultImageRenderer = md.renderer.rules.image;
md.renderer.rules.image = function (tokens, idx, imageOptions, env, self) {
let opts = {}
const token = tokens[idx]
const attrs = token.attrs || []
const attrObj = {}
attrs.forEach(v => {
attrObj[v[0]] = v[1]
})
opts = Object.assign({ ...defaultOptions }, options, attrObj)
const style = `min-width: ${opts.minWidth}px;min-height: ${opts.minHeight}px;background:url(${opts.loadingSrc}) no-repeat center;background-size: ${opts.loadingWidth}px ${opts.loadingHeight}px;background-color:${opts.bgColor}`
token.attrSet('style', style);
return defaultImageRenderer(tokens, idx, imageOptions, env, self);
};
};