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devServer.proxy do not support array type and error msg is confusing #4229

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lyt9304 opened this issue Jul 3, 2019 · 8 comments · May be fixed by #7320
Open

devServer.proxy do not support array type and error msg is confusing #4229

lyt9304 opened this issue Jul 3, 2019 · 8 comments · May be fixed by #7320

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@lyt9304
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lyt9304 commented Jul 3, 2019 •
edited
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Version

3.9.0

Environment info

System:
    OS: macOS High Sierra 10.13.6
    CPU: (4) x64 Intel(R) Core(TM) i7-7660U CPU @ 2.50GHz
  Binaries:
    Node: 10.15.1 - ~/.nvm/versions/node/v10.15.1/bin/node
    Yarn: 1.12.3 - /usr/local/bin/yarn
    npm: 6.4.1 - ~/.nvm/versions/node/v10.15.1/bin/npm
  Browsers:
    Chrome: 75.0.3770.100
    Firefox: 67.0
    Safari: 12.1.1
  npmPackages:
    @vue/babel-helper-vue-jsx-merge-props:  1.0.0 
    @vue/babel-plugin-transform-vue-jsx:  1.0.0 
    @vue/babel-preset-app:  3.8.0 
    @vue/babel-preset-jsx:  1.0.0 
    @vue/babel-sugar-functional-vue:  1.0.0 
    @vue/babel-sugar-inject-h:  1.0.0 
    @vue/babel-sugar-v-model:  1.0.0 
    @vue/babel-sugar-v-on:  1.0.0 
    @vue/cli-overlay:  3.8.0 
    @vue/cli-plugin-babel: ^3.8.0 => 3.8.0 
    @vue/cli-plugin-eslint: ^3.8.0 => 3.8.0 
    @vue/cli-service: ^3.8.4 => 3.8.4 
    @vue/cli-shared-utils:  3.8.0 
    @vue/component-compiler-utils:  2.6.0 
    @vue/preload-webpack-plugin:  1.1.0 
    @vue/web-component-wrapper:  1.2.0 
    eslint-plugin-vue: ^5.2.3 => 5.2.3 (4.7.1)
    vue: ^2.6.10 => 2.6.10 
    vue-eslint-parser:  6.0.4 (2.0.3, 5.0.0)
    vue-hot-reload-api:  2.3.3 
    vue-lazyload:  1.2.3 
    vue-loader:  15.7.0 
    vue-router: ^3.0.6 => 3.0.6 
    vue-style-loader:  4.1.2 
    vue-template-compiler: ^2.6.10 => 2.6.10 
    vue-template-es2015-compiler:  1.9.1 
    vuex: ^3.1.1 => 3.1.1 
  npmGlobalPackages:
    @vue/cli: 3.9.0

Steps to reproduce

// vue.config.js
module.exports = {
  devServer: {
    proxy: [
      {
        context: ['/v/api', '/v/test'],
        target: https://test.com/,
      },
    ],
  }
}

What is expected?

should work fine

What is actually happening?

vue-cli-service serve returns error and given hint:

When specified, "proxy" in package.json must be a string or an object.
Instead, the type of "proxy" was array.
Either remove "proxy" from package.json, or make it an object.

Actually we didn't write proxy in package.json, this error message makes us confusing.
@lyt9304 lyt9304 changed the title devServer.proxy do not support array type and error msg is incorrect devServer.proxy do not support array type and error msg is confusing Jul 3, 2019
@JounQin
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JounQin commented Oct 21, 2019

@sodatea Any news or workaround for this?

@JounQin
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JounQin commented Oct 21, 2019

My temporary workaround:

const config = {
  target: process.env.PROXY_TARGET || 'http://localhost:8000',
  secure: false,
  changeOrigin: true,
  logLevel: 'error',
}

const PROXY_URLS = ['api', 'media'].map(_ => '/' + _)

module.exports = PROXY_URLS.reduce(
  (proxies, url) =>
    Object.assign(proxies, {
      [url]: config,
    }),
  {},
)

@jasontianxie
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got the same error

@JounQin
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JounQin commented Dec 16, 2019 •
edited
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I'm glad to raise a PR for it.

@jasontianxie Did you tried my workaround mentioned above?

@michalrrcc
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I am facing the same error, I need to exclude part of the proxied context like this:

proxy: [
    {
        context: ['**', '/myapp/api/**', '!/myapp/**'],
        // ...
    },
],

@MatthewAry
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I'm facing this issue as well. @JounQin could you provide some context for your workaround? How would you fit in this fix into vue.config.js?

@MatthewAry
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MatthewAry commented Jul 31, 2020 •
edited
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Oh. NM I had to take a harder look at the code. Looks like you're generating the non-array representation that proxy can accept. Okay. Got it.

@mwahlhuetter
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This is still a problem in v5.0.0-rc.2
Any news on this?

@haowen737 haowen737 linked a pull request Nov 2, 2022 that will close this issue
Open
9 tasks
@wuyuweixin wuyuweixin mentioned this issue Feb 11, 2023
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fix: devServer proxy config should support array type haowen737/vue-cli
6 participants
@MatthewAry @lyt9304 @mwahlhuetter @JounQin @jasontianxie @michalrrcc