refactor(config): show warning message for sourceMap: false

kulshekhar · May 5, 2021 · bde37bb · bde37bb
1 parent e448638
commit bde37bb
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diff --git a/src/config/config-set.ts b/src/config/config-set.ts
@@ -452,6 +452,13 @@ export class ConfigSet {
 
     // parse json, merge config extending others, ...
     const result = ts.parseJsonConfigFileContent(config, ts.sys, basePath, undefined, configFileName)
+    if (result.options.sourceMap === false) {
+      this.logger.warn(
+        interpolate(Deprecations.SourceMapFalseNote, {
+          path: result.options.configFilePath,
+        }),
+      )
+    }
     const { _overriddenCompilerOptions: forcedOptions } = this
     const finalOptions = result.options
     // Target ES5 output by default (instead of ES3).

diff --git a/src/utils/messages.ts b/src/utils/messages.ts
@@ -42,6 +42,7 @@ export const enum Deprecations {
   TsConfig = 'The option `tsConfig` is deprecated and will be removed in ts-jest 27, use `tsconfig` instead',
   PackageJson = 'The option `packageJson` is deprecated and will be removed in ts-jest 27. This option is not used by internal `ts-jest`',
   PathRegex = 'The option `pathRegex` is deprecated and will be removed in ts-jest 27, use `exclude` instead',
+  SourceMapFalseNote = 'Got `sourceMap: false` from tsconfig file "{{path}}". This will disable source map support in ts-jest 27. Please set `sourceMap: true` in your tsconfig file "{{path}}" if you want to keep source map support on',
 }
 
 /**