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| author | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
|---|---|---|
| committer | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
| commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
| tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/read-cache/index.js | |
| parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
| download | website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip | |
build: Add some required modules for node
Diffstat (limited to 'node_modules/read-cache/index.js')
| -rw-r--r-- | node_modules/read-cache/index.js | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/node_modules/read-cache/index.js b/node_modules/read-cache/index.js new file mode 100644 index 0000000..b5263e6 --- /dev/null +++ b/node_modules/read-cache/index.js @@ -0,0 +1,78 @@ +var fs = require('fs');
+var path = require('path');
+var pify = require('pify');
+
+var stat = pify(fs.stat);
+var readFile = pify(fs.readFile);
+var resolve = path.resolve;
+
+var cache = Object.create(null);
+
+function convert(content, encoding) {
+ if (Buffer.isEncoding(encoding)) {
+ return content.toString(encoding);
+ }
+ return content;
+}
+
+module.exports = function (path, encoding) {
+ path = resolve(path);
+
+ return stat(path).then(function (stats) {
+ var item = cache[path];
+
+ if (item && item.mtime.getTime() === stats.mtime.getTime()) {
+ return convert(item.content, encoding);
+ }
+
+ return readFile(path).then(function (data) {
+ cache[path] = {
+ mtime: stats.mtime,
+ content: data
+ };
+
+ return convert(data, encoding);
+ });
+ }).catch(function (err) {
+ cache[path] = null;
+ return Promise.reject(err);
+ });
+};
+
+module.exports.sync = function (path, encoding) {
+ path = resolve(path);
+
+ try {
+ var stats = fs.statSync(path);
+ var item = cache[path];
+
+ if (item && item.mtime.getTime() === stats.mtime.getTime()) {
+ return convert(item.content, encoding);
+ }
+
+ var data = fs.readFileSync(path);
+
+ cache[path] = {
+ mtime: stats.mtime,
+ content: data
+ };
+
+ return convert(data, encoding);
+ } catch (err) {
+ cache[path] = null;
+ throw err;
+ }
+
+};
+
+module.exports.get = function (path, encoding) {
+ path = resolve(path);
+ if (cache[path]) {
+ return convert(cache[path].content, encoding);
+ }
+ return null;
+};
+
+module.exports.clear = function () {
+ cache = Object.create(null);
+};
|