68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
/**
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* Bricks JSON 解析引擎
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* 将 bricks JSON 解析为小程序可渲染的数据结构
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*/
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class BricksParser {
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constructor() {
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this.widgetTree = null
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}
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/**
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* 解析 JSON 字符串
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*/
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parse(jsonString) {
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try {
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const obj = JSON.parse(jsonString)
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this.widgetTree = this._parseNode(obj)
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return this.widgetTree
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} catch (e) {
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console.error('[Bricks] Parse error:', e)
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return null
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}
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}
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/**
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* 递归解析节点
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*/
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_parseNode(obj) {
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if (!obj || typeof obj !== 'object') return null
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const node = {
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widgettype: obj.widgettype || 'Text',
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options: obj.options || {},
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binds: obj.binds || [],
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subwidgets: [],
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// 扁平化事件数据，方便 WXML 绑定
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_hasBind: (obj.binds && obj.binds.length > 0),
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_bindData: obj.binds ? obj.binds.map(b => ({
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event: b.event || 'tap',
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actiontype: b.actiontype,
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target: b.target,
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methodname: b.methodname || b.method,
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params: b.params,
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url: b.url || (b.options && b.options.url),
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script: b.script
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})) : []
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}
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// 递归处理子组件
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if (obj.subwidgets && Array.isArray(obj.subwidgets)) {
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node.subwidgets = obj.subwidgets.map(child => this._parseNode(child))
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}
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return node
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}
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/**
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* 解析多个 JSON（如分页加载）
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*/
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parseList(jsonArray) {
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return jsonArray.map(json => {
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if (typeof json === 'string') return this.parse(json)
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return this._parseNode(json)
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})
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}
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}
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module.exports = { BricksParser }
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