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Name	Size	Permission
counter.js	570 B	-rw-r--r--
file-appender.js	1.63 KB	-rw-r--r--
make-middleware.js	5.07 KB	-rw-r--r--
multer-error.js	659 B	-rw-r--r--
remove-uploaded-files.js	542 B	-rw-r--r--

Code Editor : file-appender.js

var objectAssign = require('object-assign')

function arrayRemove (arr, item) {
  var idx = arr.indexOf(item)
  if (~idx) arr.splice(idx, 1)
}

function FileAppender (strategy, req) {
  this.strategy = strategy
  this.req = req

switch (strategy) {
    case 'NONE': break
    case 'VALUE': break
    case 'ARRAY': req.files = []; break
    case 'OBJECT': req.files = Object.create(null); break
    default: throw new Error('Unknown file strategy: ' + strategy)
  }
}

FileAppender.prototype.insertPlaceholder = function (file) {
  var placeholder = {
    fieldname: file.fieldname
  }

switch (this.strategy) {
    case 'NONE': break
    case 'VALUE': break
    case 'ARRAY': this.req.files.push(placeholder); break
    case 'OBJECT':
      if (this.req.files[file.fieldname]) {
        this.req.files[file.fieldname].push(placeholder)
      } else {
        this.req.files[file.fieldname] = [placeholder]
      }
      break
  }

return placeholder
}

FileAppender.prototype.removePlaceholder = function (placeholder) {
  switch (this.strategy) {
    case 'NONE': break
    case 'VALUE': break
    case 'ARRAY': arrayRemove(this.req.files, placeholder); break
    case 'OBJECT':
      if (this.req.files[placeholder.fieldname].length === 1) {
        delete this.req.files[placeholder.fieldname]
      } else {
        arrayRemove(this.req.files[placeholder.fieldname], placeholder)
      }
      break
  }
}

FileAppender.prototype.replacePlaceholder = function (placeholder, file) {
  if (this.strategy === 'VALUE') {
    this.req.file = file
    return
  }

delete placeholder.fieldname
  objectAssign(placeholder, file)
}

module.exports = FileAppender

Urban Research Lab

The Urban Research Lab (URL) at IIIT-Delhi was established in 2020, during a time when the pandemic brought the complexities of urban life more visible than ever. What started as an initiative by faculty and students has grown into a collaborative space for critically exploring and reimagining the urban questions through research, dialogue, and interdisciplinary engagement.

${this.title}

Code Editor : file-appender.js

Urban Research Lab