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website/functions/node_modules/power-assert-context-formatter/lib/string-writer.js

@@ -0,0 +1,28 @@
+'use strict';
+
+function spacerStr (len) {
+    var str = '';
+    for(var i = 0; i < len; i += 1) {
+        str += ' ';
+    }
+    return str;
+}
+
+function StringWriter (config) {
+    this.lines = [];
+    this.lineSeparator = config.lineSeparator;
+    this.regex = new RegExp(this.lineSeparator, 'g');
+    this.spacer = spacerStr(config.outputOffset);
+}
+
+StringWriter.prototype.write = function (str) {
+    this.lines.push(this.spacer + str.replace(this.regex, this.lineSeparator + this.spacer));
+};
+
+StringWriter.prototype.toString = function () {
+    var str = this.lines.join(this.lineSeparator);
+    this.lines.length = 0;
+    return str;
+};
+
+module.exports = StringWriter;