source-map - npm Package Compare versions

Comparing version 0.1.19 to 0.1.20

lib/source-map/source-map-generator.js

@@ -145,10 +145,10 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
   /**
-   * Applies a SourceMap for a source file to the SourceMap.
-   * Each mapping to the supplied source file is rewritten using the
-   * supplied SourceMap. Note: The resolution for the resulting mappings
-   * is the minimium of this map and the supplied map.
+   * Applies the mappings of a sub-source-map for a specific source file to the
+   * source map being generated. Each mapping to the supplied source file is
+   * rewritten using the supplied source map. Note: The resolution for the
+   * resulting mappings is the minimium of this map and the supplied map.
    *
-   * @param aSourceMapConsumer The SourceMap to be applied.
+   * @param aSourceMapConsumer The source map to be applied.
    * @param aSourceFile Optional. The filename of the source file.
-   *                    If omitted, sourceMapConsumer.file will be used.
+   *        If omitted, SourceMapConsumer's file property will be used.
    */
@@ -155,0 +155,0 @@ SourceMapGenerator.prototype.applySourceMap =

lib/source-map/source-node.js

@@ -13,2 +13,3 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
   var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
+  var util = require('./util');
 
@@ -29,2 +30,3 @@ /**
     this.children = [];
+    this.sourceContents = {};
     this.line = aLine === undefined ? null : aLine;
@@ -117,2 +119,10 @@ this.column = aColumn === undefined ? null : aColumn;
 
+      // Copy sourcesContent into SourceNode
+      aSourceMapConsumer.sources.forEach(function (sourceFile) {
+        var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+        if (content) {
+          node.setSourceContent(sourceFile, content);
+        }
+      });
+
       return node;
@@ -248,2 +258,32 @@
   /**
+   * Set the source content for a source file. This will be added to the SourceMapGenerator
+   * in the sourcesContent field.
+   *
+   * @param aSourceFile The filename of the source file
+   * @param aSourceContent The content of the source file
+   */
+  SourceNode.prototype.setSourceContent =
+    function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
+      this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
+    };
+
+  /**
+   * Walk over the tree of SourceNodes. The walking function is called for each
+   * source file content and is passed the filename and source content.
+   *
+   * @param aFn The traversal function.
+   */
+  SourceNode.prototype.walkSourceContents =
+    function SourceNode_walkSourceContents(aFn) {
+      this.children.forEach(function (chunk) {
+        if (chunk instanceof SourceNode) {
+          chunk.walkSourceContents(aFn);
+        }
+      }, this);
+      Object.keys(this.sourceContents).forEach(function (sourceFileKey) {
+        aFn(util.fromSetString(sourceFileKey), this.sourceContents[sourceFileKey]);
+      }, this);
+    };
+
+  /**
    * Return the string representation of this source node. Walks over the tree
@@ -308,2 +348,5 @@ * and concatenates all the various snippets together to one string.
     });
+    this.walkSourceContents(function (sourceFile, sourceContent) {
+      map.setSourceContent(sourceFile, sourceContent);
+    });
 
@@ -310,0 +353,0 @@ return { code: generated.code, map: map };

lib/source-map/util.js

@@ -33,4 +33,6 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
 
+  var schemeRegexp = /^[A-Za-z0-9+.\-]+:\/\//;
+
   function join(aRoot, aPath) {
-    return aPath.charAt(0) === '/'
+    return aPath.charAt(0) === '/' || aPath.match(schemeRegexp)
       ? aPath
@@ -55,2 +57,7 @@ : aRoot.replace(/\/$/, '') + '/' + aPath;
 
+  function fromSetString(aStr) {
+    return aStr.substr(1);
+  }
+  exports.fromSetString = fromSetString;
+
   function relative(aRoot, aPath) {
@@ -57,0 +64,0 @@ aRoot = aRoot.replace(/\/$/, '');

package.json

 {
   "name": "source-map",
   "description": "Generates and consumes source maps",
-  "version": "0.1.19",
+  "version": "0.1.20",
   "homepage": "https://github.com/mozilla/source-map",
@@ -6,0 +6,0 @@ "author": "Nick Fitzgerald <[e-mail]>",

README.md

@@ -258,2 +258,11 @@ # Source Map
 
+#### SourceNode.prototype.setSourceContent(sourceFile, sourceContent)
+
+Set the source content for a source file. This will be added to the
+`SourceMap` in the `sourcesContent` field.
+
+* `sourceFile`: The filename of the source file
+
+* `sourceContent`: The content of the source file
+
 #### SourceNode.prototype.walk(fn)
@@ -267,2 +276,9 @@
 
+#### SourceNode.prototype.walkSourceContents(fn)
+
+Walk over the tree of SourceNodes. The walking function is called for each
+source file content and is passed the filename and source content.
+
+* `fn`: The traversal function.
+
 #### SourceNode.prototype.join(sep)
@@ -269,0 +285,0 @@

test/source-map/test-source-map-consumer.js

@@ -253,2 +253,21 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
 
+  exports['test github issue #43'] = function (assert, util) {
+    var map = new SourceMapGenerator({
+      sourceRoot: 'http://example.com',
+      file: 'foo.js'
+    });
+    map.addMapping({
+      original: { line: 1, column: 1 },
+      generated: { line: 2, column: 2 },
+      source: 'http://cdn.example.com/original.js'
+    });
+    map = new SourceMapConsumer(map.toString());
+
+    var sources = map.sources;
+    assert.equal(sources.length, 1,
+                 'Should only be one source.');
+    assert.equal(sources[0], 'http://cdn.example.com/original.js',
+                 'Should not be joined with the sourceRoot.');
+  };
+
 });

test/source-map/test-source-node.js

@@ -239,2 +239,45 @@ /* -*- Mode: js; js-indent-level: 2; -*- */
 
+  exports['test setSourceContent with toStringWithSourceMap'] = function (assert, util) {
+    var aNode = new SourceNode(1, 1, 'a.js', 'a');
+    aNode.setSourceContent('a.js', 'someContent');
+    var node = new SourceNode(null, null, null,
+                              ['(function () {\n',
+                               '  ', aNode,
+                               '  ', new SourceNode(1, 1, 'b.js', 'b'),
+                               '}());']);
+    node.setSourceContent('b.js', 'otherContent');
+    var map = node.toStringWithSourceMap({
+      file: 'foo.js'
+    }).map;
+
+    assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
+    map = new SourceMapConsumer(map.toString());
+
+    assert.equal(map.sources.length, 2);
+    assert.equal(map.sources[0], 'a.js');
+    assert.equal(map.sources[1], 'b.js');
+    assert.equal(map.sourcesContent.length, 2);
+    assert.equal(map.sourcesContent[0], 'someContent');
+    assert.equal(map.sourcesContent[1], 'otherContent');
+  };
+
+  exports['test walkSourceContents'] = function (assert, util) {
+    var aNode = new SourceNode(1, 1, 'a.js', 'a');
+    aNode.setSourceContent('a.js', 'someContent');
+    var node = new SourceNode(null, null, null,
+                              ['(function () {\n',
+                               '  ', aNode,
+                               '  ', new SourceNode(1, 1, 'b.js', 'b'),
+                               '}());']);
+    node.setSourceContent('b.js', 'otherContent');
+    var results = [];
+    node.walkSourceContents(function (sourceFile, sourceContent) {
+      results.push([sourceFile, sourceContent]);
+    });
+    assert.equal(results.length, 2);
+    assert.equal(results[0][0], 'a.js');
+    assert.equal(results[0][1], 'someContent');
+    assert.equal(results[1][0], 'b.js');
+    assert.equal(results[1][1], 'otherContent');
+  };
 });

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Improved metrics

Total package byte prevSize

125196

increased by4.64%

Number of package files

36

increased by2.86%

Lines of code

2943

increased by3.59%

Number of lines in readme file

348

increased by4.82%

No dependency changes