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Drop support for defunct Chakra host (#33797)

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Andrew Casey 2020-02-04 15:53:45 -08:00 committed by GitHub
parent 2e97918d43
commit da8d3ef0a8
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1 changed files with 1 additions and 68 deletions
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src/compiler/sys.ts
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@ -1107,31 +1107,6 @@ namespace ts {
return parseInt(version.substring(1, dot));
}
declare const ChakraHost: {
args: string[];
currentDirectory: string;
executingFile: string;
newLine?: string;
useCaseSensitiveFileNames?: boolean;
echo(s: string): void;
quit(exitCode?: number): void;
fileExists(path: string): boolean;
deleteFile(path: string): boolean;
getModifiedTime(path: string): Date;
setModifiedTime(path: string, time: Date): void;
directoryExists(path: string): boolean;
createDirectory(path: string): void;
resolvePath(path: string): string;
readFile(path: string): string | undefined;
writeFile(path: string, contents: string): void;
getDirectories(path: string): string[];
readDirectory(path: string, extensions?: readonly string[], basePaths?: readonly string[], excludeEx?: string, includeFileEx?: string, includeDirEx?: string): string[];
watchFile?(path: string, callback: FileWatcherCallback): FileWatcher;
watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean): FileWatcher;
realpath(path: string): string;
getEnvironmentVariable?(name: string): string;
};
// TODO: GH#18217 this is used as if it's certainly defined in many places.
// eslint-disable-next-line prefer-const
export let sys: System = (() => {
@ -1737,50 +1712,8 @@ namespace ts {
}
}
function getChakraSystem(): System {
const realpath = ChakraHost.realpath && ((path: string) => ChakraHost.realpath(path));
return {
newLine: ChakraHost.newLine || "\r\n",
args: ChakraHost.args,
useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames,
write: ChakraHost.echo,
readFile(path: string, _encoding?: string) {
// encoding is automatically handled by the implementation in ChakraHost
return ChakraHost.readFile(path);
},
writeFile(path: string, data: string, writeByteOrderMark?: boolean) {
// If a BOM is required, emit one
if (writeByteOrderMark) {
data = byteOrderMarkIndicator + data;
}
ChakraHost.writeFile(path, data);
},
resolvePath: ChakraHost.resolvePath,
fileExists: ChakraHost.fileExists,
deleteFile: ChakraHost.deleteFile,
getModifiedTime: ChakraHost.getModifiedTime,
setModifiedTime: ChakraHost.setModifiedTime,
directoryExists: ChakraHost.directoryExists,
createDirectory: ChakraHost.createDirectory,
getExecutingFilePath: () => ChakraHost.executingFile,
getCurrentDirectory: () => ChakraHost.currentDirectory,
getDirectories: ChakraHost.getDirectories,
getEnvironmentVariable: ChakraHost.getEnvironmentVariable || (() => ""),
readDirectory(path, extensions, excludes, includes, _depth) {
const pattern = getFileMatcherPatterns(path, excludes, includes, !!ChakraHost.useCaseSensitiveFileNames, ChakraHost.currentDirectory);
return ChakraHost.readDirectory(path, extensions, pattern.basePaths, pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern);
},
exit: ChakraHost.quit,
realpath
};
}
let sys: System | undefined;
if (typeof ChakraHost !== "undefined") {
sys = getChakraSystem();
}
else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") {
if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") {
// process and process.nextTick checks if current environment is node-like
// process.browser check excludes webpack and browserify
sys = getNodeSystem();