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Error: unknown decorator expression type: MemberExpression #439

khaiphan opened this Issue Jul 3, 2017 · 1 comment


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khaiphan commented Jul 3, 2017

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Short summary of your issue

Error: unknown decorator expression type: MemberExpression

Input data for reproducing


  "source": "./src",
  "destination": "./doc",
  "excludes": [
  "experimentalProposal": {
    "classProperties": true,
    "objectRestSpread": true,
    "decorators": true,
    "doExpressions": true,
    "functionBind": true,
    "asyncGenerators": true,
    "exportExtensions": true,
    "dynamicImport": true
  "plugins": [{
    "name": "esdoc-standard-plugin"


import { observable, action } from 'mobx'
import TransactionColumns from './transactionColumns'
import TransactionColumnsOptions from './transactionColumnsOptions'

export default class {
  @observable.ref transactionColumnsState = [
  @observable.ref transactionColumns = TransactionColumns(this.transactionColumnsState)
  @observable.ref transactionColumnsOptions = TransactionColumnsOptions(this.transactionColumns)
  @observable.ref filtered = [{
    id: 'processing_result',
    value: ''
  setFiltered (data) {
    this.filtered = data
  setTransactionsColumnsState (data) {
    this.transactionColumnsState = data
    this.transactionColumns = TransactionColumns(this.transactionColumnsState)
    this.transactionColumnsOptions = TransactionColumnsOptions(this.transactionColumns)

Output data


error: could not process the following code.
0| undefined
1| import { observable, action } from 'mobx'
2| import TransactionColumns from './transactionColumns'
3| import TransactionColumnsOptions from './transactionColumnsOptions'
5| export default class {
6|   @observable.ref transactionColumnsState = [

        throw e;

Error: unknown decorator expression type: MemberExpression
    at ClassPropertyDoc._$decorator (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Doc/AbstractDoc.js:578:17)
    at ClassPropertyDoc._apply (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Doc/AbstractDoc.js:106:10)
    at ClassPropertyDoc._apply (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Doc/ClassPropertyDoc.js:30:11)
    at ClassPropertyDoc.AbstractDoc (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Doc/AbstractDoc.js:56:10)
    at ClassPropertyDoc (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Doc/ClassPropertyDoc.js:24:1)
    at DocFactory._createDoc (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Factory/DocFactory.js:455:12)
    at DocFactory._traverseComments (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Factory/DocFactory.js:396:20)
    at DocFactory.push (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Factory/DocFactory.js:349:20)
    at _ASTUtil2.default.traverse (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/ESDoc.js:300:17)
    at enter (/Users/khaiphan/Documents/Projects/nfq/alice/node_modules/esdoc/out/src/Util/ASTUtil.js:39:9)

Screen shot of documentation

// attach a image into here

Exception output (if possible)


error: could not process the following code.

Screen shot of documentation


Your environment

  • OS type and version: OSX Sierra v10.12
  • Node.js version: 8
  • ESDoc version: 0.5.2

This comment has been minimized.


h13i32maru commented Sep 20, 2017

I fixed this issue with ESDoc v1.0.3 and esdoc-ecmascript-proposal-plugin.
Please check it.

@h13i32maru h13i32maru closed this Sep 20, 2017

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