From faa04c1a0d6637e041b1c03ef1c03106f57bf023 Mon Sep 17 00:00:00 2001
From: Federico Zivolo <5382443+FezVrasta@users.noreply.github.com>
Date: Thu, 30 Apr 2020 10:05:28 +0200
Subject: [PATCH 1/2] POC for custom createSourceFile option

---
 src/tsc-silent.ts | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

diff --git a/src/tsc-silent.ts b/src/tsc-silent.ts
index 3dafbef..c569a58 100644
--- a/src/tsc-silent.ts
+++ b/src/tsc-silent.ts
@@ -13,6 +13,7 @@ const argv: Argv = require("yargs")
     .array("suppress").default("suppress", [])
     .string("compiler").default("compiler", "node_modules/typescript/lib/typescript.js")
     .string("project").alias("project", "p")
+    .string("createSourceFile")
     .boolean("watch").default("watch", false).alias("watch", "w")
     .boolean("stats").default("stats", false)
     .boolean("help")
@@ -71,6 +72,11 @@ const formatHost: ts.FormatDiagnosticsHost = {
     getNewLine: () => ts.sys.newLine
 };
 
+if (argv.createSourceFile) {
+  const originalCreateSourceFile = ts.createSourceFile;
+  ts.createSourceFile = require(argv.createSourceFile)(originalCreateSourceFile);
+}
+
 if (argv.watch) {
     let watchDiagnostics: ts.Diagnostic[] = [];
     const createProgram = ts.createSemanticDiagnosticsBuilderProgram;
@@ -253,20 +259,24 @@ function printUsage() {
     console.log("             [--watch]");
     console.log();
     console.log("Synopsis:");
-    console.log("  --project, -p    Path to tsconfig.json");
+    console.log("  --project, -p       Path to tsconfig.json");
+    console.log();
+    console.log("  --compiler          Path to typescript.js.");
+    console.log("                      By default, uses `./node_modules/typescript/lib/typescript.js`.");
     console.log();
-    console.log("  --compiler       Path to typescript.js.");
-    console.log("                   By default, uses `./node_modules/typescript/lib/typescript.js`.");
+    console.log("  --suppress          Suppressed erros.");
+    console.log("                      E.g. `--suppress 7017@src/js/ 2322,2339,2344@/src/legacy/`.")
     console.log();
-    console.log("  --suppress       Suppressed erros.");
-    console.log("                   E.g. `--suppress 7017@src/js/ 2322,2339,2344@/src/legacy/`.")
+    console.log("  --suppressConfig    Path to supressed errors config.");
+    console.log("                      See documentation for examples.");
     console.log();
-    console.log("  --suppressConfig Path to supressed errors config.");
-    console.log("                   See documentation for examples.");
+    console.log("  --watch, -w         Run in watch mode.");
     console.log();
-    console.log("  --watch, -w      Run in watch mode.");
+    console.log("  --stats             Print number of suppressed errors per path and error code.");
     console.log();
-    console.log("  --stats          Print number of suppressed errors per path and error code.");
+    console.log(". --createSourceFile  Custom module to use in place of the default TypeScript logic,
+    console.log("                      it expects a module that exports a single function, with the");
+    console.log("                      original TypeScript function as sole argument.");
     console.log();
     console.log("Description:");
     console.log("The purpose of the wrapper is to execute TypeScript compiler but suppress some error messages");

From 7a6499540e93fc293d347464175409165cfd6b30 Mon Sep 17 00:00:00 2001
From: Federico Zivolo <5382443+FezVrasta@users.noreply.github.com>
Date: Thu, 30 Apr 2020 10:17:43 +0200
Subject: [PATCH 2/2] Update tsc-silent.ts

---
 src/tsc-silent.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tsc-silent.ts b/src/tsc-silent.ts
index c569a58..5c373d0 100644
--- a/src/tsc-silent.ts
+++ b/src/tsc-silent.ts
@@ -74,7 +74,7 @@ const formatHost: ts.FormatDiagnosticsHost = {
 
 if (argv.createSourceFile) {
   const originalCreateSourceFile = ts.createSourceFile;
-  ts.createSourceFile = require(argv.createSourceFile)(originalCreateSourceFile);
+  ts.createSourceFile = require(`${process.cwd()}/${argv.createSourceFile}`)(originalCreateSourceFile);
 }
 
 if (argv.watch) {