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index.js
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index.js
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const jsParser = require('@babel/parser')
const traverse = require('@babel/traverse').default
const { dataURIData } = require('adui-icon').default
const fs = require('fs')
const htmlparser2 = require('htmlparser2')
const through = require('through2')
// 默认一定会使用的 icon
const iconsDefault = [
'person',
'image-outlined',
'alert-circle',
'arrow-right',
'tick',
'arrow-down',
'add',
'tick-circle-outlined',
'warning-circle-outlined',
'alert-circle-outlined',
'info-circle-outlined',
'search',
'cancel-circle',
'triangle-up',
'triangle-down',
'cancel',
'minus',
'add',
]
// 使用了 icon 组件的组件
const componentHasIconProps = {
'ad-avatar': ['placeholderIcon'],
'ad-button': ['leftIcon', 'rightIcon'],
'ad-cell': ['leftIcon', 'errorIcon', 'rightIcon'],
'ad-floating-button': ['icon'],
'ad-grid-item': ['icon'],
'ad-input': ['icon', 'errorIcon'],
'ad-message': ['leftIconDefault', 'leftIcon', 'rightIcon'],
'ad-picture': ['placeholder', 'failedIcon'],
'ad-sheet': ['titleIcon'],
'ad-steps-item': ['icon'],
'ad-tab-bar-item': ['icon'],
'ad-tag': ['leftIcon', 'rightIcon'],
'ad-toast': ['icon'],
'ad-upload-image': ['icon'],
}
// prop 名称大写字母变成小写字母
Object.keys(componentHasIconProps).forEach((key) => {
componentHasIconProps[key] = componentHasIconProps[key].map((item) => item.toLowerCase())
})
const getIconData = (atrValue) => {
// 如果是字符串且 icon 库里面包含这个 icon,直接返回 icon 数据
if (dataURIData[atrValue.trim()] !== undefined) {
return {
[atrValue]: dataURIData[atrValue],
}
}
// 除了直接获取的情况外,只处理三元判断的情况
const ast = jsParser.parse(atrValue, { plugins: ['jsx', 'flow'] })
const data = {}
traverse(ast, {
ConditionalExpression(nodePath) {
if (nodePath.node.consequent.type === 'StringLiteral') {
data[nodePath.node.consequent.value] =
dataURIData[nodePath.node.consequent.value]
}
if (nodePath.node.alternate.type === 'StringLiteral') {
data[nodePath.node.alternate.value] =
dataURIData[nodePath.node.alternate.value]
}
},
})
return data
}
module.exports = (paths, iconsExtra) => {
// 文件最终的内容
let fileContent = {}
// 初始化必须的 icon 内容
iconsDefault.forEach((item) => {
fileContent[item] = dataURIData[item]
})
return through.obj(
{ defaultEncoding: 'utf8' },
function iconShaking (file, encoding, callback) {
// 只处理 wxml 文件
if (file.relative.includes('.wxml')) {
const htmlParser = new htmlparser2.Parser({
onopentag(name, attributes) {
// 如果元素是 ad-icon, 直接处理 icon 属性
if (name === 'ad-icon') {
const { icon } = attributes
const data = getIconData(icon)
fileContent = { ...fileContent, ...data }
} else if (componentHasIconProps[name] !== undefined) {
// console.log('pakizheng', name, attributes)
// 除了 ad-icon 之外,只匹配 prop 中有用到 icon 的组件
Object.keys(attributes).forEach((item) => {
if (componentHasIconProps[name].includes(item)) {
const data = getIconData(attributes[item])
fileContent = { ...fileContent, ...data }
}
})
}
},
})
htmlParser.write(file.contents)
htmlParser.end()
// 额外的的 icon 配置
if (iconsExtra) {
const iconsExtraData = {}
iconsExtra.forEach((item) => {
iconsExtraData[item] = dataURIData[item]
})
fileContent = { ...fileContent, ...iconsExtraData }
Object.assign(fileContent, iconsExtraData)
}
const contents = `export default ${JSON.stringify(fileContent)}`
paths.forEach((item) => {
if (fs.existsSync(item)) {
fs.writeFileSync(item, contents, 'utf-8')
}
})
}
this.push(file)
callback()
}
)
}