kindring
/
fc-ele


			
				
					
						
						
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							import { readFileSync, readdirSync } from 'fs'
let idPerfix = ''
const svgTitle = /<svg([^>+].*?)>/
const clearHeightWidth = /(width|height)="([^>+].*?)"/g
const hasViewBox = /(viewBox="[^>+].*?")/g
const clearReturn = /(\r)|(\n)/g
function findSvgFile(dir: string):string[] {
    const svgRes = []
    const dirents = readdirSync(dir, {
        withFileTypes: true
    })
    for (const dirent of dirents) {
        if (dirent.isDirectory()) {
            svgRes.push(...findSvgFile(dir + dirent.name + '/'))
        } else {
            const svg = readFileSync(dir + dirent.name)
                .toString()
                .replace(clearReturn, '')
                .replace(svgTitle, (_, $2: string) => {
                    let width: string = '0'
                    let height: string = '0'
                    let content = $2.replace(clearHeightWidth, (_: string, s2: string, s3: string) => {
                        if (s2 === 'width') {
                            width = s3
                        } else if (s2 === 'height') {
                            height = s3
                        }
                        return ''
                    })
                    if (!hasViewBox.test($2)) {
                        content += `viewBox="0 0 ${width} ${height}"`
                    }
                    return `<symbol id="${idPerfix}-${dirent.name.replace('.svg', '')}" ${content}>`
                })
                .replace('</svg>', '</symbol>')
            svgRes.push(svg)
        }
    }
    return svgRes
}
export const svgLoader = (path: string, perfix = 'icon') => {
    if (path === '') return
    idPerfix = perfix
    console.log('svgLoader');
    const res = findSvgFile(path)
    return {
        name: 'svg-transform',
        transformIndexHtml(html: any) {
            return html.replace(
                '<body>',
                `
          <body>
            <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="position: absolute; width: 0; height: 0">
              ${res.join('')}
            </svg>
        `
            )
        }
    }
}