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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| import {SourceFile, SyntaxKind} from 'ts-morph'; | ||
| import {replaceModulePath} from '../../util/replaceModulePath.js'; | ||
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| export function replaceDynamicImports(sourceFile: SourceFile) { | ||
| let madeChanges: boolean = false; | ||
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| sourceFile.getVariableStatements().forEach(statement => { | ||
| statement.getDeclarations().forEach(declaration => { | ||
| const initializer = declaration.getInitializerIfKind(SyntaxKind.AwaitExpression); | ||
| const callExpression = initializer?.getExpressionIfKind(SyntaxKind.CallExpression); | ||
| const importExpression = callExpression?.getExpressionIfKind(SyntaxKind.ImportKeyword); | ||
| if (importExpression) { | ||
| const literals = initializer?.getDescendantsOfKind(SyntaxKind.StringLiteral); | ||
| literals?.forEach(stringLiteral => { | ||
| const adjustedImport = replaceModulePath({ | ||
| hasAttributesClause: false, | ||
| sourceFile, | ||
| stringLiteral, | ||
| }); | ||
| if (adjustedImport) { | ||
| madeChanges = true; | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
| }); | ||
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||
| return madeChanges; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| import {SourceFile, StringLiteral} from 'ts-morph'; | ||
| import {ModuleInfo, parseInfo} from '../parser/InfoParser.js'; | ||
| import {ProjectUtil} from './ProjectUtil.js'; | ||
| import {toImport, toImportAttribute} from '../converter/ImportConverter.js'; | ||
| import {getNormalizedPath, isNodeModuleRoot} from './PathUtil.js'; | ||
| import path from 'node:path'; | ||
| import {PathFinder} from './PathFinder.js'; | ||
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| export function replaceModulePath({ | ||
| hasAttributesClause, | ||
| stringLiteral, | ||
| sourceFile, | ||
| }: { | ||
| hasAttributesClause: boolean; | ||
| stringLiteral: StringLiteral; | ||
| sourceFile: SourceFile; | ||
| }) { | ||
| const paths = ProjectUtil.getPaths(sourceFile.getProject()); | ||
| const tsConfigFilePath = ProjectUtil.getTsConfigFilePath(sourceFile); | ||
| const projectDirectory = ProjectUtil.getRootDirectory(tsConfigFilePath); | ||
| const info = parseInfo(sourceFile.getFilePath(), stringLiteral, paths); | ||
| const replacement = createReplacementPath({hasAttributesClause, info, paths, projectDirectory}); | ||
| if (replacement) { | ||
| stringLiteral.replaceWithText(replacement); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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|
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| function createReplacementPath({ | ||
| hasAttributesClause, | ||
| info, | ||
| paths, | ||
| projectDirectory, | ||
| }: { | ||
| hasAttributesClause: boolean; | ||
| info: ModuleInfo; | ||
| paths: Record<string, string[]> | undefined; | ||
| projectDirectory: string; | ||
| }) { | ||
| if (hasAttributesClause) { | ||
| return null; | ||
| } | ||
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| const comesFromPathAlias = !!info.pathAlias && !!paths; | ||
| const isNodeModulesPath = !info.isRelative && info.normalized.includes('/') && !comesFromPathAlias; | ||
| if (info.isRelative || comesFromPathAlias || isNodeModulesPath) { | ||
| if (['.json', '.css'].includes(info.extension)) { | ||
| return toImportAttribute(info); | ||
| } | ||
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| // If an import does not have a file extension or isn't an extension recognized here and can't be found locally (perhaps | ||
| // file had . in name), try to find a matching file by traversing through all valid TypeScript source file extensions. | ||
| let baseFilePath = comesFromPathAlias | ||
| ? getNormalizedPath(projectDirectory, info, paths) | ||
| : path.join(info.directory, info.normalized); | ||
| if (isNodeModulesPath) { | ||
| baseFilePath = path.join(projectDirectory, 'node_modules', info.normalized); | ||
| } | ||
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| const foundPath = PathFinder.findPath(baseFilePath, info.extension); | ||
| if (foundPath) { | ||
| // TODO: Write test case for this condition, mock "path" and "fs" calls if necessary | ||
| if (foundPath.extension === '/index.js' && isNodeModuleRoot(baseFilePath)) { | ||
| // @fixes https://github.com/bennycode/ts2esm/issues/81#issuecomment-2437503011 | ||
| return null; | ||
| } | ||
| return toImport({...info, extension: foundPath.extension}); | ||
| } | ||
| } | ||
| return null; | ||
| } |