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54 lines
2.2 KiB
54 lines
2.2 KiB
const t = require('@babel/types')
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const initStatement = t.expressionStatement(t.callExpression(t.identifier('$initSSP'), []))
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const resolveStatement = t.expressionStatement(t.callExpression(t.identifier('$callSSP'), []))
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module.exports = function getRenderSlot (path, state) {
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const name = path.get('arguments.0')
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const arg2 = path.get('arguments.2')
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const arg3 = path.get('arguments.3')
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let valueNode
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if (arg3) {
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// v-bind:object
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valueNode = arg3.node
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} else if (arg2 && !arg2.isNullLiteral()) {
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if (arg2.isObjectExpression()) {
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const propertiesPath = arg2.get('properties')
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const oldProperties = []
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const newProperties = []
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propertiesPath.forEach(path => {
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const properties = path.get('key').isStringLiteral({ value: 'SLOT_DEFAULT' }) ? oldProperties : newProperties
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properties.push(state.options.scopedSlotsCompiler === 'auto' ? path.node : t.cloneNode(path.node, true))
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})
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if (!newProperties.length) {
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return
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}
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valueNode = t.objectExpression(newProperties)
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if (state.options.scopedSlotsCompiler !== 'auto') {
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arg2.replaceWith(t.objectExpression(oldProperties))
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}
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} else {
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valueNode = arg2.node
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}
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}
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if (valueNode) {
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if (!state.declarationArray.includes(initStatement)) {
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state.declarationArray.push(initStatement)
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}
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const indexNode = t.callExpression(t.identifier('$setSSP'), [name.node, valueNode])
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const slotMultipleInstance = state.options.scopedSlotsCompiler === 'augmented' && state.options.slotMultipleInstance
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if (slotMultipleInstance) {
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// 插槽名拼接 '.'+index
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name.replaceWith(t.binaryExpression('+', name.node, t.binaryExpression('+', t.stringLiteral('.'), indexNode)))
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} else {
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const scoped = state.scoped
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// TODO 判断是否包含作用域内变量
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const renderSlotStatementArray = scoped && scoped.length ? scoped[scoped.length - 1].renderSlotStatementArray : state.renderSlotStatementArray
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renderSlotStatementArray.push(t.expressionStatement(indexNode))
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}
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if (!state.resolveSlotStatementArray.includes(resolveStatement)) {
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state.resolveSlotStatementArray.push(resolveStatement)
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}
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}
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// TODO 组件嵌套
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}
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