Merge pull request #6789 from Microsoft/transpileJs
suppress validation of output paths in transpile scenarios
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commit
4a01708c13
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@ -1717,7 +1717,7 @@ namespace ts {
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}
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// If the emit is enabled make sure that every output file is unique and not overwriting any of the input files
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if (!options.noEmit) {
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if (!options.noEmit && !options.suppressOutputPathCheck) {
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const emitHost = getEmitHost();
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const emitFilesSeen = createFileMap<boolean>(!host.useCaseSensitiveFileNames() ? key => key.toLocaleLowerCase() : undefined);
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forEachExpectedEmitFile(emitHost, (emitFileNames, sourceFiles, isBundledEmit) => {
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@ -2426,6 +2426,8 @@ namespace ts {
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// Skip checking lib.d.ts to help speed up tests.
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/* @internal */ skipDefaultLibCheck?: boolean;
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// Do not perform validation of output file name in transpile scenarios
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/* @internal */ suppressOutputPathCheck?: boolean;
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[option: string]: string | number | boolean | TsConfigOnlyOptions;
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}
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@ -1876,6 +1876,9 @@ namespace ts {
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options.isolatedModules = true;
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// transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths.
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options.suppressOutputPathCheck = true;
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// Filename can be non-ts file.
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options.allowNonTsExtensions = true;
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@ -291,5 +291,14 @@ var x = 0;`,
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options: { compilerOptions: { jsx: JsxEmit.React, newLine: NewLineKind.LineFeed } }
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})
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});
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it("transpile .js files", () => {
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const input = "const a = 10;";
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const output = `"use strict";\nvar a = 10;\n`;
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test(input, {
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expectedOutput: output,
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options: { compilerOptions: { newLine: NewLineKind.LineFeed, module: ModuleKind.CommonJS }, fileName: "input.js", reportDiagnostics: true },
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expectedDiagnosticCodes: []
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});
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})
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});
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}
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