import { isArray } from 'util'
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import { exportDefault, titleCase } from '@/utils/index'
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import { trigger } from './config'
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const units = {
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KB: '1024',
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MB: '1024 / 1024',
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GB: '1024 / 1024 / 1024'
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}
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let confGlobal
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const inheritAttrs = {
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file: '',
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dialog: 'inheritAttrs: false,'
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}
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export function makeUpJs(conf, type) {
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confGlobal = conf = JSON.parse(JSON.stringify(conf))
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const dataList = []
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const ruleList = []
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const optionsList = []
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const propsList = []
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const methodList = mixinMethod(type)
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const uploadVarList = []
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conf.fields.forEach(el => {
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buildAttributes(el, dataList, ruleList, optionsList, methodList, propsList, uploadVarList)
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})
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const script = buildexport(
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conf,
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type,
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dataList.join('\n'),
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ruleList.join('\n'),
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optionsList.join('\n'),
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uploadVarList.join('\n'),
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propsList.join('\n'),
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methodList.join('\n')
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)
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confGlobal = null
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return script
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}
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function buildAttributes(el, dataList, ruleList, optionsList, methodList, propsList, uploadVarList) {
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buildData(el, dataList)
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buildRules(el, ruleList)
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if (el.options && el.options.length) {
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buildOptions(el, optionsList)
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if (el.dataType === 'dynamic') {
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const model = `${el.vModel}Options`
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const options = titleCase(model)
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buildOptionMethod(`get${options}`, model, methodList)
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}
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}
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if (el.props && el.props.props) {
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buildProps(el, propsList)
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}
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if (el.action && el.tag === 'el-upload') {
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uploadVarList.push(
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`${el.vModel}Action: '${el.action}',
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${el.vModel}fileList: [],`
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)
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methodList.push(buildBeforeUpload(el))
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if (!el['auto-upload']) {
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methodList.push(buildSubmitUpload(el))
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}
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}
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if (el.children) {
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el.children.forEach(el2 => {
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buildAttributes(el2, dataList, ruleList, optionsList, methodList, propsList, uploadVarList)
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})
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}
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}
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function mixinMethod(type) {
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const list = []; const
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minxins = {
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file: confGlobal.formBtns ? {
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submitForm: `submitForm() {
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this.$refs['${confGlobal.formRef}'].validate(valid => {
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if(!valid) return
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// TODO 提交表单
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})
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},`,
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resetForm: `resetForm() {
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this.$refs['${confGlobal.formRef}'].resetFields()
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},`
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} : null,
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dialog: {
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onOpen: 'onOpen() {},',
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onClose: `onClose() {
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this.$refs['${confGlobal.formRef}'].resetFields()
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},`,
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close: `close() {
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this.$emit('update:visible', false)
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},`,
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handelConfirm: `handelConfirm() {
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this.$refs['${confGlobal.formRef}'].validate(valid => {
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if(!valid) return
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this.close()
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})
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},`
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}
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}
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const methods = minxins[type]
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if (methods) {
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Object.keys(methods).forEach(key => {
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list.push(methods[key])
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})
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}
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return list
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}
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function buildData(conf, dataList) {
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if (conf.vModel === undefined) return
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let defaultValue
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if (typeof (conf.defaultValue) === 'string' && !conf.multiple) {
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defaultValue = `'${conf.defaultValue}'`
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} else {
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defaultValue = `${JSON.stringify(conf.defaultValue)}`
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}
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dataList.push(`${conf.vModel}: ${defaultValue},`)
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}
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function buildRules(conf, ruleList) {
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if (conf.vModel === undefined) return
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const rules = []
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if (trigger[conf.tag]) {
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if (conf.required) {
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const type = isArray(conf.defaultValue) ? 'type: \'array\',' : ''
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let message = isArray(conf.defaultValue) ? `请至少选择一个${conf.vModel}` : conf.placeholder
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if (message === undefined) message = `${conf.label}不能为空`
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rules.push(`{ required: true, ${type} message: '${message}', trigger: '${trigger[conf.tag]}' }`)
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}
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if (conf.regList && isArray(conf.regList)) {
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conf.regList.forEach(item => {
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if (item.pattern) {
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rules.push(`{ pattern: ${eval(item.pattern)}, message: '${item.message}', trigger: '${trigger[conf.tag]}' }`)
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}
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})
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}
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ruleList.push(`${conf.vModel}: [${rules.join(',')}],`)
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}
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}
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function buildOptions(conf, optionsList) {
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if (conf.vModel === undefined) return
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if (conf.dataType === 'dynamic') { conf.options = [] }
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const str = `${conf.vModel}Options: ${JSON.stringify(conf.options)},`
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optionsList.push(str)
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}
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function buildProps(conf, propsList) {
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if (conf.dataType === 'dynamic') {
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conf.valueKey !== 'value' && (conf.props.props.value = conf.valueKey)
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conf.labelKey !== 'label' && (conf.props.props.label = conf.labelKey)
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conf.childrenKey !== 'children' && (conf.props.props.children = conf.childrenKey)
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}
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const str = `${conf.vModel}Props: ${JSON.stringify(conf.props.props)},`
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propsList.push(str)
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}
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function buildBeforeUpload(conf) {
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const unitNum = units[conf.sizeUnit]; let rightSizeCode = ''; let acceptCode = ''; const
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returnList = []
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if (conf.fileSize) {
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rightSizeCode = `let isRightSize = file.size / ${unitNum} < ${conf.fileSize}
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if(!isRightSize){
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this.$message.error('文件大小超过 ${conf.fileSize}${conf.sizeUnit}')
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}`
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returnList.push('isRightSize')
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}
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if (conf.accept) {
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acceptCode = `let isAccept = new RegExp('${conf.accept}').test(file.type)
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if(!isAccept){
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this.$message.error('应该选择${conf.accept}类型的文件')
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}`
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returnList.push('isAccept')
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}
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const str = `${conf.vModel}BeforeUpload(file) {
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${rightSizeCode}
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${acceptCode}
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return ${returnList.join('&&')}
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},`
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return returnList.length ? str : ''
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}
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function buildSubmitUpload(conf) {
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const str = `submitUpload() {
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this.$refs['${conf.vModel}'].submit()
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},`
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return str
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}
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function buildOptionMethod(methodName, model, methodList) {
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const str = `${methodName}() {
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// TODO 发起请求获取数据
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this.${model}
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},`
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methodList.push(str)
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}
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function buildexport(conf, type, data, rules, selectOptions, uploadVar, props, methods) {
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const str = `${exportDefault}{
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${inheritAttrs[type]}
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components: {},
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props: [],
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data () {
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return {
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${conf.formModel}: {
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${data}
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},
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${conf.formRules}: {
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${rules}
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},
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${uploadVar}
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${selectOptions}
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${props}
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}
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},
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computed: {},
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watch: {},
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created () {},
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mounted () {},
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methods: {
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${methods}
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}
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}`
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return str
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}
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