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only make common dir on call

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This commit is contained in:
Wesley Wigham 2015-11-18 13:19:56 -08:00
parent c7a3bee916
commit a44ebbbc7e
1 changed files with 10 additions and 7 deletions
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17
src/compiler/program.ts
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@ -374,7 +374,7 @@ namespace ts {
}
// _Always_ compute a common source directory
let commonSourceDirectory = computeCommonSourceDirectory(files);
let commonSourceDirectory: string;
verifyCompilerOptions();
// unconditionally set oldProgram to undefined to prevent it from being captured in closure
@ -395,7 +395,9 @@ namespace ts {
getTypeChecker,
getClassifiableNames,
getDiagnosticsProducingTypeChecker,
getCommonSourceDirectory: () => commonSourceDirectory,
getCommonSourceDirectory: () => {
return typeof commonSourceDirectory === "undefined" ? (commonSourceDirectory = computeCommonSourceDirectory(files)) : commonSourceDirectory;
},
emit,
getCurrentDirectory: () => currentDirectory,
getNodeCount: () => getDiagnosticsProducingTypeChecker().getNodeCount(),
@ -1071,11 +1073,12 @@ namespace ts {
}
}
if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== directorySeparator) {
// Make sure directory path ends with directory separator so this string can directly
// used to replace with "" to get the relative path of the source file and the relative path doesn't
// start with / making it rooted path
commonSourceDirectory += directorySeparator;
if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== directorySeparator) {
// Make sure directory path ends with directory separator so this string can directly
// used to replace with "" to get the relative path of the source file and the relative path doesn't
// start with / making it rooted path
commonSourceDirectory += directorySeparator;
}
}
if (options.noEmit) {