1 files changed, 63 insertions, 0 deletions
diff --git a/node_modules/espower-location-detector/lib/source-adjuster.js b/node_modules/espower-location-detector/lib/source-adjuster.js
new file mode 100644
index 000000000..973b32a0f
--- /dev/null
+++ b/node_modules/espower-location-detector/lib/source-adjuster.js
@@ -0,0 +1,63 @@
+'use strict';
+
+var _path = require('path');
+var isAbsolute = require('path-is-absolute');
+var isUrl = require('is-url');
+
+function SourceAdjuster (sourceRoot, path, sourceMap) {
+    this.path = path;
+    this.sourceRoot = sourceRoot;
+    if (typeof sourceMap === 'string') {
+        this.sourceMap = JSON.parse(sourceMap.replace(/^\)\]\}'/, ''));
+    } else {
+        this.sourceMap = sourceMap;
+    }
+}
+SourceAdjuster.prototype.relativize = function (filepathOrUrl, mappedWithSourceMap) {
+    var filepath;
+    if (mappedWithSourceMap && filepathOrUrl && this.sourceMap) {
+        filepath = this.relativizeWithSourceMap(filepathOrUrl);
+    } else {
+        filepath = this.relativizeWithoutSourceMap(filepathOrUrl);
+    }
+    return fallbackOnBasename(filepath);
+};
+SourceAdjuster.prototype.relativizeWithSourceMap = function (filepathOrUrl) {
+    var sourceMapRoot = this.sourceMap.sourceRoot;
+    if (sourceMapRoot && isUrl(sourceMapRoot)) {
+        return _path.relative(sourceMapRoot, filepathOrUrl);
+    }
+    if (this.sourceRoot && isAbsolute(this.sourceRoot) && isAbsolute(filepathOrUrl)) {
+        return _path.relative(this.sourceRoot, filepathOrUrl);
+    }
+    if (sourceMapRoot && isAbsolute(sourceMapRoot) && isAbsolute(filepathOrUrl)) {
+        return _path.relative(sourceMapRoot, filepathOrUrl);
+    }
+    if (isUrl(filepathOrUrl)) {
+        return _path.basename(filepathOrUrl);
+    }
+    return filepathOrUrl;
+};
+SourceAdjuster.prototype.relativizeWithoutSourceMap = function (filepathOrUrl) {
+    var tmpPath = this.path || filepathOrUrl;
+    if (this.sourceRoot && isAbsolute(this.sourceRoot) && isAbsolute(tmpPath)) {
+        return _path.relative(this.sourceRoot, tmpPath);
+    } else {
+        return this.path;
+    }
+};
+
+function fallbackOnBasename (filepath) {
+    if (filepath) {
+        if (filepath.split(_path.sep).indexOf('..') !== -1) {
+            return _path.basename(filepath);
+        } else if (isUrl(filepath)) {
+            return _path.basename(filepath);
+        } else if (isAbsolute(filepath)) {
+            return _path.basename(filepath);
+        }
+    }
+    return filepath;
+}
+
+module.exports = SourceAdjuster;