‼️ NOTICE: "Cannot use import statement outside a module" in CodeBuild in 1.95.0

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Status: IN-PROGRESS

Overview:

In version 1.95.0 of CDK, the CodeBuild module fails to load with an exception:

Cannot use import statement outside a module

Complete Error Message:

/Users/asmajlovic/code/marsconnected-cdk/node_modules/@aws-cdk/aws-codebuild/node_modules/@aws-cdk/yaml-cfn/lib/yaml.ts:1
import * as yaml from 'yaml';
^^^^^^
SyntaxError: Cannot use import statement outside a module
    at Object.compileFunction (node:vm:355:18)
    at wrapSafe (node:internal/modules/cjs/loader:1022:15)
    at Module._compile (node:internal/modules/cjs/loader:1056:27)
    at Module._extensions..js (node:internal/modules/cjs/loader:1121:10)
    at Object.require.extensions.<computed> [as .ts] (/Users/asmajlovic/code/marsconnected-cdk/node_modules/ts-node/src/index.ts:1045:43)
    at Module.load (node:internal/modules/cjs/loader:972:32)
    at Function.Module._load (node:internal/modules/cjs/loader:813:14)
    at Module.require (node:internal/modules/cjs/loader:996:19)
    at require (node:internal/modules/cjs/helpers:92:18)
    at Object.<anonymous> (/Users/asmajlovic/code/marsconnected-cdk/node_modules/@aws-cdk/aws-codebuild/node_modules/@aws-cdk/yaml-cfn/lib/index.ts:1:1)

Workaround:

Roll back to version 1.94.1.

Solution:

Related Issues:

• https://github.com/aws/aws-cdk/issues/13796

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Original issue

Synth’ing a CDK pipeline fails after upgrading to 1.95.0

Reproduction Steps

Upgrade from 1.94.1 or earlier to 1.95.0

What did you expect to happen?

expected the stack to successfully synth

What actually happened?

C:\Users\graeme\cloudcycle\DataStorage\node_modules@aws-cdk\aws-codebuild\node_modules@aws-cdk\yaml-cfn\lib\yaml.ts:1 import * as yaml from ‘yaml’; ^^^^^^

SyntaxError: Cannot use import statement outside a module at wrapSafe (internal/modules/cjs/loader.js:979:16) at Module._compile (internal/modules/cjs/loader.js:1027:27) at Module._extensions…js (internal/modules/cjs/loader.js:1092:10) at Object.require.extensions.<computed> [as .ts] (C:\Users\graeme\cloudcycle\DataStorage\node_modules\ts-node\src\index.ts:1045:43) at Module.load (internal/modules/cjs/loader.js:928:32) at Function.Module._load (internal/modules/cjs/loader.js:769:14) at Module.require (internal/modules/cjs/loader.js:952:19) at require (internal/modules/cjs/helpers.js:88:18) at Object.<anonymous> (C:\Users\graeme\cloudcycle\DataStorage\node_modules@aws-cdk\aws-codebuild\node_modules@aws-cdk\yaml-cfn\lib\index.ts:1:1) at Module._compile (internal/modules/cjs/loader.js:1063:30)

Environment

• **CDK CLI Version :1.95.0
• **Framework Version:1.95.0
• **Node.js Version: v14.15.5
• **OS :Windows 10
• **Language (Version): typescript": "4.2.3

Other

Simple CDKPipline using a GitHubSourceAction with SimpleSynthAction.standardNpmSynth

No usage of the new BuildSpec.fromObjectToYaml method added in #13445

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This is 🐛 Bug Report

[skinny85]

The fix in 1.95.1 has been released, and customers are seeing recovery.

Resolving this issue, please comment if you run into it again!

[github-actions[bot]]

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