[Pkg-javascript-commits] [node-module-deps] 85/444: object-form for opts.cache

[Bastien Roucariès]

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rouca pushed a commit to branch master
in repository node-module-deps.

commit a3935feb087842dd720610d4ffdc6c7fe4d8e284
Author: James Halliday <mail at substack.net>
Date:   Thu May 30 06:41:05 2013 -0700

    object-form for opts.cache
---
 index.js        | 16 ++++++++++++++--
 readme.markdown |  3 +--
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index f928d62..6ef5e40 100644
--- a/index.js
+++ b/index.js
@@ -53,7 +53,15 @@ module.exports = function (mains, opts) {
             return pkg;
         };
         
-        resolve(id, parent, function (err, file) {
+        var resolver = opts.cache && typeof opts.cache[parent.id] === 'object'
+        && opts.cache[parent.id].deps[id]
+            ? function (xid, xparent, cb) {
+                cb(null, opts.cache[parent.id].deps[id]);
+            }
+            : resolve;
+        ;
+        
+        resolver(id, parent, function (err, file) {
             if (err) return output.emit('error', err);
             if (!file) return output.emit('error', new Error([
                 'module not found: "' + id + '" from file ',
@@ -105,7 +113,11 @@ module.exports = function (mains, opts) {
     
     function parseDeps (file, src) {
         var deps;
-        if (opts.noParse && opts.noParse.indexOf(file) >= 0) {
+        if (typeof src === 'object') {
+            deps = Object.keys(src.deps);
+            src = src.source;
+        }
+        else if (opts.noParse && opts.noParse.indexOf(file) >= 0) {
             deps = [];
         }
         else if (/\.json$/.test(file)) {
diff --git a/readme.markdown b/readme.markdown
index 765f144..8713ce1 100644
--- a/readme.markdown
+++ b/readme.markdown
@@ -81,8 +81,7 @@ the values. `opts.packageFilter(pkg)` should return the new `pkg` object to use.
 * opts.noParse - an array of absolute paths to not parse for dependencies. Use
 this for large dependencies like jquery or threejs which take forever to parse.
 
-* opts.cache - an object mapping filenames to strings of file contents to skip
-doing fs.readFile() calls
+* opts.cache - an object mapping filenames to file objects to skip costly io
 
 # transforms
 

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