ui

2022-04-07 18:09:31 +05:30
parent 36ea86d8e6
commit 1c779ef816
14095 changed files with 1769361 additions and 47 deletions
@@ -0,0 +1,48 @@
+'use strict';
+
+var getFieldAsFn = require('./get-field-as-fn'),
+    CustomError  = require('./get-error');
+
+/**
+ * Create an encoder for output sources using the given codec hash
+ * @throws Error Where the given codec is missing an encode function
+ * @this {object} A loader or compilation
+ * @param {{encode:function}} codec A single codec with an `encode` function
+ * @returns {function(string):string|Error|false} An encode function that takes an absolute path
+ */
+function encodeSourcesWith(codec) {
+  /* jshint validthis:true */
+  var context = this,
+      encoder = getFieldAsFn('encode')(codec);
+  if (!encoder) {
+    return new CustomError('Specified format does not support encoding (it lacks an "encoder" function)');
+  }
+  else {
+    return function encode(absoluteSource) {
+
+      // call the encoder
+      var encoded;
+      try {
+        encoded = absoluteSource && encoder.call(context, absoluteSource);
+      }
+      catch (exception) {
+        return getNamedError(exception);
+      }
+      return encoded;
+
+      function getNamedError(details) {
+        var name    = codec.name || '(unnamed)',
+            message = [
+              'Encoding with codec: ' + name,
+              'Absolute source: ' + absoluteSource,
+              details && (details.stack ? details.stack : details)
+            ]
+              .filter(Boolean)
+              .join('\n');
+        return new Error(message);
+      }
+    };
+  }
+}
+
+module.exports = encodeSourcesWith;