maxmustermann/TypeScript
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Refine implementation

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This commit is contained in:
vilicvane 2016-02-10 08:47:52 +08:00
parent 63c690813f
commit acf965a20e
2 changed files with 12 additions and 3 deletions
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2
src/compiler/program.ts
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@ -623,7 +623,7 @@ namespace ts {
const hash = sys.createHash(data);
const mtimeBefore = sys.getModifiedTime(fileName);
if (mtimeBefore && outputFingerprints.hasOwnProperty(fileName)) {
if (mtimeBefore && hasProperty(outputFingerprints, fileName)) {
const fingerprint = outputFingerprints[fileName];
// If output has not been changed, and the file has no external modification

13
src/compiler/sys.ts
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@ -229,6 +229,7 @@ namespace ts {
const _path = require("path");
const _os = require("os");
const _crypto = require("crypto");
let hash: any;
// average async stat takes about 30 microseconds
// set chunk size to do 30 files in < 1 millisecond
@ -560,10 +561,18 @@ namespace ts {
},
readDirectory,
getModifiedTime(path) {
return _fs.existsSync(path) && _fs.statSync(path).mtime;
try {
return _fs.statSync(path).mtime;
}
catch (e) {
return undefined;
}
},
createHash(data) {
const hash = _crypto.createHash("md5");
if (!hash) {
hash = _crypto.createHash("md5");
}
hash.update(data);
return hash.digest("hex");
},