Bug 1608799 - Load devtools debugger's .eslintignore directly into ESLint to avoid duplication. r=jdescottes

Differential Revision: https://phabricator.services.mozilla.com/D60148

--HG--
extra : moz-landing-system : lando

.eslintignore

@@ -66,19 +66,6 @@ devtools/server/tests/browser/storage-*.html
 !devtools/server/tests/browser/storage-unsecured-iframe.html
 devtools/server/tests/browser/stylesheets-nested-iframes.html
 devtools/client/webreplay/mochitest/examples/*.html
-
-# Ignore devtools debugger files
-# Keep in sync with devtools/client/debugger/.eslintignore
-devtools/client/debugger/assets/*
-devtools/client/debugger/src/test/examples/
-devtools/client/debugger/src/test/integration/
-devtools/client/debugger/src/test/unit-sources/
-devtools/client/debugger/src/**/fixtures/
-devtools/client/debugger/src/test/mochitest/
-devtools/client/debugger/bin/
-devtools/client/debugger/packages/**/fixtures/
-devtools/client/debugger/node_modules
-devtools/client/debugger/out
 devtools/client/webreplay/mochitest/examples/
 
 # Ignore devtools debugger files which aren't intended for linting, and also

.eslintrc.js

@@ -33,9 +33,16 @@ const chromeTestPaths = [
   "**/test*/chrome/",
 ];
 
-const ignorePatterns =
-  fs.readFileSync("tools/rewriting/ThirdPartyPaths.txt")
-    .toString("utf-8").split("\n");
+const ignorePatterns = [
+  ...fs.readFileSync("tools/rewriting/ThirdPartyPaths.txt")
+    .toString("utf-8")
+    .split("\n"),
+  ...fs.readFileSync("devtools/client/debugger/.eslintignore")
+    .toString("utf-8")
+    .split("\n")
+    .filter(p => p && !p.startsWith("#"))
+    .map(p => `devtools/client/debugger/${p}`),
+]
 
 module.exports = {
   ignorePatterns,

devtools/client/debugger/.eslintignore

@@ -1,5 +1,3 @@
-# Keep in sync with top-level .eslintignore
-
 assets/*
 src/test/examples/**
 src/test/integration/**
@@ -9,4 +7,4 @@ src/test/mochitest/**
 bin/
 packages/**/fixtures/**
 node_modules
-out
+out