keystonejs/keystone-classic

keystonejs 4 beta file system storage adapter image preview

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#3,781 创建于 2016年12月11日

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 (5 评论) (0 反应) (0 负责人)JavaScript (14,656 star) (2,288 fork)batch import
discussionhelp wanted

描述

I want preview the upload file that is image

Gallery.add({
	name: { type: String, required: true },
	publishedDate: { type: Date, default: Date.now },
	image: { 
		type: Types.File, 
		storage: storage,
		format: function(item, file){
			return '<pre>'+JSON.stringify(file, false, 2)+'</pre>'+
				'<img src="'+file.url+'" style="max-width: 300px">'
		}
	},
});

I think i can not use the format function , because it is old function for ver 3 how can i do it

贡献者指南

技术栈
javascriptnodejs
领域
backend
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
mostly clear
前置要求
KeystoneJS basicsNode.js
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
30
研究方向
This issue asks about adding image preview functionality for the file system storage adapter in KeystoneJS 4 beta. The user attempted to use a v3 format function which is not supported. To resolve, investigate Keystone 4's file field configuration options and available hooks. Check the storage adapter documentation and see if custom render functions or post save hooks can achieve image preview. No linked PRs or maintainer guidance exist; the fix would require reading the source code of keystone classic's file field.
keystonejs 4 beta file system storage adapter image preview · keystonejs/keystone-classic#3781 | Good First Issue