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Map function to allow custom manifest #33

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Map function to allow custom manifest #33

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182f59f
Add map function to hash.manifest options
BigFax Mar 17, 2020
3497e16
Update Buffer creation from old to new way
BigFax Mar 17, 2020
6786027
Remove changes for Buffer creation
BigFax Apr 6, 2020
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ The plugin fully supports both buffers and streams. If you encounter any problem
| options.space | null | [The space parameter for JSON.stringify()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify)|
| options.deleteOld | false | If set to `true`, deletes old versions of hashed files |
| options.sourceDir | __dirname | Used with `deleteOld`. Specifies where to search for old files to delete. |
| options.map | (none) | Function allowing to modify keys (source) and values (destination) before the creation of the manifest. Should return an array with the new key-value pair respectively in the first and second entry. |

### hash.manifest(manifestPath, append, space)

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7 changes: 5 additions & 2 deletions index.js
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Expand Up @@ -75,13 +75,15 @@ exportObj.manifest = function(manifestPath, options) {
var space = null;
var append = true;
var sourceDir = __dirname;
var map = null;
var deleteOld = false;

if (arguments.length === 2 && typeof options === 'object') {
// New signature
if (options.append != null) append = options.append;
if (options.space != null) space = options.space;
if (options.sourceDir) sourceDir = options.sourceDir;
if (options.map) map = options.map;
deleteOld = !!options.deleteOld;
} else {
// Old signature
Expand Down Expand Up @@ -115,8 +117,9 @@ exportObj.manifest = function(manifestPath, options) {
return through2.obj(
function(file, enc, cb) {
if (typeof file.origPath !== 'undefined') {
var manifestSrc = formatManifestPath(file.origPath);
var manifestDest = formatManifestPath(file.relative);
var mapped = typeof map === 'function' ? map(file.origPath, file.relative) || [] : [];
var manifestSrc = formatManifestPath(mapped[0] || file.origPath);
var manifestDest = formatManifestPath(mapped[1] || file.relative);
newManifest[manifestSrc] = manifestDest;
}

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