Fix an issue with applying edits

lib/formatter.ts

@@ -27,6 +27,15 @@ export default function format(fileName: string, text: string, options = createD
     function applyEdits(text: string, edits: ts.TextChange[]): string {
         // Apply edits in reverse on the existing text
         let result = text;
+
+        // An issue with `ts.formatting.formatDocument` is that it does
+        // not always give the edits array in ascending order of change start
+        // point. This can result that we add or remove some character in
+        // the begining of the document, making the all the other edits
+        // offsets invalid. 
+
+        // We resolve this by sorting edits by ascending start point
+        edits.sort((a, b) => a.span.start - b.span.start);
         for (let i = edits.length - 1; i >= 0; i--) {
             let change = edits[i];
             let head = result.slice(0, change.span.start);

test/expected/schemats/main.json

@@ -0,0 +1,17 @@
+{
+  "indentSize": 4,
+  "tabSize": 4,
+  "indentStyle": 2,
+  "newLineCharacter": "\r\n",
+  "convertTabsToSpaces": true,
+  "insertSpaceAfterCommaDelimiter": true,
+  "insertSpaceAfterSemicolonInForStatements": true,
+  "insertSpaceBeforeAndAfterBinaryOperators": true,
+  "insertSpaceAfterKeywordsInControlFlowStatements": true,
+  "insertSpaceAfterFunctionKeywordForAnonymousFunctions": false,
+  "insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis": false,
+  "insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets": false,
+  "insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces": false,
+  "placeOpenBraceOnNewLineForFunctions": false,
+  "placeOpenBraceOnNewLineForControlBlocks": false
+}

test/expected/schemats/main.ts

@@ -0,0 +1,19 @@
+/**
+ * AUTO-GENERATED FILE @ 2016-12-07 13:17:46 - DO NOT EDIT!
+ *
+ * This file was generated with schemats node package:
+ * $ schemats generate -c postgres://username:password@localhost/test -t users -o ./test/osm.ts
+ *
+ * Re-run the command above.
+ */
+
+
+export namespace cta_situationcompte_scoFields {
+    export type sco_id = number;
+    export type sco_total_debit = number;
+    export type sco_total_credit = number;
+    export type sco_nb_ecritures = number;
+    export type pst_id = number;
+    export type cpt_id = number;
+
+}

test/fixture/schemats/main.ts

@@ -0,0 +1,19 @@
+            /**
+             * AUTO-GENERATED FILE @ 2016-12-07 13:17:46 - DO NOT EDIT!
+             *
+             * This file was generated with schemats node package:
+             * $ schemats generate -c postgres://username:password@localhost/test -t users -o ./test/osm.ts
+             *
+             * Re-run the command above.
+             */
+
+
+        export namespace cta_situationcompte_scoFields {
+        export type sco_id = number;
+export type sco_total_debit = number;
+export type sco_total_credit = number;
+export type sco_nb_ecritures = number;
+export type pst_id = number;
+export type cpt_id = number;
+
+        }