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Implementing copy/paste (microsoft#57262)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| export * from "../pasteEdits.js"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| import { addRange } from "../compiler/core.js"; | ||
| import { | ||
| CancellationToken, | ||
| Program, | ||
| SourceFile, | ||
| Statement, | ||
| SymbolFlags, | ||
| TextRange, | ||
| UserPreferences, | ||
| } from "../compiler/types.js"; | ||
| import { getLineOfLocalPosition } from "../compiler/utilities.js"; | ||
| import { | ||
| codefix, | ||
| Debug, | ||
| fileShouldUseJavaScriptRequire, | ||
| forEachChild, | ||
| formatting, | ||
| getQuotePreference, | ||
| isIdentifier, | ||
| textChanges, | ||
| } from "./_namespaces/ts.js"; | ||
| import { addTargetFileImports } from "./refactors/helpers.js"; | ||
| import { | ||
| addExportsInOldFile, | ||
| getExistingLocals, | ||
| getUsageInfo, | ||
| } from "./refactors/moveToFile.js"; | ||
| import { | ||
| CodeFixContextBase, | ||
| FileTextChanges, | ||
| LanguageServiceHost, | ||
| PasteEdits, | ||
| } from "./types.js"; | ||
|
|
||
| const fixId = "providePostPasteEdits"; | ||
| /** @internal */ | ||
| export function pasteEditsProvider( | ||
| targetFile: SourceFile, | ||
| pastedText: string[], | ||
| pasteLocations: TextRange[], | ||
| copiedFrom: { file: SourceFile; range: TextRange[]; } | undefined, | ||
| host: LanguageServiceHost, | ||
| preferences: UserPreferences, | ||
| formatContext: formatting.FormatContext, | ||
| cancellationToken: CancellationToken, | ||
| ): PasteEdits { | ||
| const changes: FileTextChanges[] = textChanges.ChangeTracker.with({ host, formatContext, preferences }, changeTracker => pasteEdits(targetFile, pastedText, pasteLocations, copiedFrom, host, preferences, formatContext, cancellationToken, changeTracker)); | ||
| return { edits: changes, fixId }; | ||
| } | ||
|
|
||
| function pasteEdits( | ||
| targetFile: SourceFile, | ||
| pastedText: string[], | ||
| pasteLocations: TextRange[], | ||
| copiedFrom: { file: SourceFile; range: TextRange[]; } | undefined, | ||
| host: LanguageServiceHost, | ||
| preferences: UserPreferences, | ||
| formatContext: formatting.FormatContext, | ||
| cancellationToken: CancellationToken, | ||
| changes: textChanges.ChangeTracker, | ||
| ) { | ||
| let actualPastedText: string[] | undefined; | ||
| if (pastedText.length !== pasteLocations.length) { | ||
| actualPastedText = pastedText.length === 1 ? pastedText : [pastedText.join("\n")]; | ||
| } | ||
| pasteLocations.forEach((paste, i) => { | ||
| changes.replaceRangeWithText( | ||
| targetFile, | ||
| { pos: paste.pos, end: paste.end }, | ||
| actualPastedText ? | ||
| actualPastedText[0] : pastedText[i], | ||
| ); | ||
| }); | ||
|
|
||
| const statements: Statement[] = []; | ||
|
|
||
| let newText = targetFile.text; | ||
| for (let i = pasteLocations.length - 1; i >= 0; i--) { | ||
| const { pos, end } = pasteLocations[i]; | ||
| newText = actualPastedText ? newText.slice(0, pos) + actualPastedText[0] + newText.slice(end) : newText.slice(0, pos) + pastedText[i] + newText.slice(end); | ||
| } | ||
|
|
||
| Debug.checkDefined(host.runWithTemporaryFileUpdate).call(host, targetFile.fileName, newText, (updatedProgram: Program, originalProgram: Program | undefined, updatedFile: SourceFile) => { | ||
| const importAdder = codefix.createImportAdder(updatedFile, updatedProgram, preferences, host); | ||
| if (copiedFrom?.range) { | ||
| Debug.assert(copiedFrom.range.length === pastedText.length); | ||
| copiedFrom.range.forEach(copy => { | ||
| addRange(statements, copiedFrom.file.statements, getLineOfLocalPosition(copiedFrom.file, copy.pos), getLineOfLocalPosition(copiedFrom.file, copy.end) + 1); | ||
| }); | ||
| const usage = getUsageInfo(copiedFrom.file, statements, originalProgram!.getTypeChecker(), getExistingLocals(updatedFile, statements, originalProgram!.getTypeChecker())); | ||
| Debug.assertIsDefined(originalProgram); | ||
| const useEsModuleSyntax = !fileShouldUseJavaScriptRequire(targetFile.fileName, originalProgram, host, !!copiedFrom.file.commonJsModuleIndicator); | ||
| addExportsInOldFile(copiedFrom.file, usage.targetFileImportsFromOldFile, changes, useEsModuleSyntax); | ||
| addTargetFileImports(copiedFrom.file, usage.oldImportsNeededByTargetFile, usage.targetFileImportsFromOldFile, originalProgram.getTypeChecker(), updatedProgram, importAdder); | ||
| } | ||
| else { | ||
| const context: CodeFixContextBase = { | ||
| sourceFile: updatedFile, | ||
| program: originalProgram!, | ||
| cancellationToken, | ||
| host, | ||
| preferences, | ||
| formatContext, | ||
| }; | ||
| forEachChild(updatedFile, function cb(node) { | ||
| if (isIdentifier(node) && !originalProgram?.getTypeChecker().resolveName(node.text, node, SymbolFlags.All, /*excludeGlobals*/ false)) { | ||
| // generate imports | ||
| importAdder.addImportForUnresolvedIdentifier(context, node, /*useAutoImportProvider*/ true); | ||
| } | ||
| node.forEachChild(cb); | ||
| }); | ||
| } | ||
| importAdder.writeFixes(changes, getQuotePreference(copiedFrom ? copiedFrom.file : targetFile, preferences)); | ||
| }); | ||
| } |
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