fix typos in comments
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1 changed files with 14 additions and 23 deletions
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@ -1638,41 +1638,37 @@ module ts {
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export function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, syntaxErrors?: Diagnostic[]): string {
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let options = compilerOptions ? ts.clone(compilerOptions) : getDefaultCompilerOptions();
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// Single file transformation is only guranteed to be correct if inside an external module.
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// External modules have thier own scope and can not contribute to internal modules outside their
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// Single file transformation is only guaranteed to be correct inside an external module.
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// External modules have their own scope and cannot contribute to internal modules outside their
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// scope.
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if (options.target !== ScriptTarget.ES6 && (!options.module || options.module === ModuleKind.None)) {
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// add errors
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// TODO: add errors
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}
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// In sigle file transformation the compiler does not have access to declaration sites.
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// Const enum property access will not be detected if they are not in the same file as the enum.
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// thus they are goign to be emitted as normal propety access. To ensure correct behaviour at runtime,
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// we need to generare the actual enum object so that the proprty accesses do not fail.
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// In single file transformation the compiler does not have access to declaration sites.
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// Const enum property accesses will not be detected if they are not in the same file as the enum.
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// thus they are going to be emitted as normal propety access. To ensure correct behaviour at runtime,
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// we need to generate the actual enum object so that the property accesses do not fail.
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options.preserveConstEnums = true;
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// No reason to get declarations, we are only returning javascript
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options.declaration = false;
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// Filename can be non-ts file. We are not locating any modules as well, so allow
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// non-ts extensions
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// Filename can be non-ts file.
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options.allowNonTsExtensions = true;
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// enable relaxed emit rules
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options.separateCompilation = true;
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// We are not resolving references or modules, or even including the library. Disabling
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// We are not resolving references or modules, or even including the default library. Disabling
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// emit on error will block generating the output and has no meaningful use here.
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options.noEmitOnError = false;
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// No resolution requests will be honered anyways. So do not do it
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// No resolution requests will be honored anyways. So do not do it
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options.noResolve = true;
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// TODO (vladima): add inlineSourceMap once it is checked in
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//if (options.sourceMap) {
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// // We need to return a single string, so inline the sourceMap in the output
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// options.inlineSourceMap = true;;
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//}
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// TODO (vladima): this should be enabled after adding support to inlinable source maps
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options.sourceMap = false;
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// Parse
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var inputFileName = fileName || "module.ts";
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@ -1690,10 +1686,8 @@ module ts {
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var compilerHost: CompilerHost = {
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getSourceFile: (fileName, target) => fileName === inputFileName ? sourceFile : undefined,
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writeFile: (name, text, writeByteOrderMark) => {
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if (ts.fileExtensionIs(name, ".js")) {
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Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: " + name);
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outputText = text;
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}
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Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: " + name);
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outputText = text;
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},
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getDefaultLibFileName: () => "lib.d.ts",
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useCaseSensitiveFileNames: () => false,
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@ -1702,9 +1696,6 @@ module ts {
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getNewLine: () => "\r\n"
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};
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// Note: The emitter needs a the checker to walk the file, so we will create a program for this
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// though single file transformation does not really need this. First we need to drop the emitter
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// dependcy on the checker and then implement a new resolver that does not do the full check.
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var program = ts.createProgram([inputFileName], options, compilerHost);
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// Emit
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