From 290ab5d0717ef89745459f5746cd8e598ee8f0da Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Thu, 16 May 2019 10:18:16 -0600
Subject: [PATCH] Allow loaders to access the mode

---
 lib/NormalModule.js                                   |  1 +
 test/configCases/loaders/mode-default/a.js            |  0
 test/configCases/loaders/mode-default/index.js        |  3 +++
 test/configCases/loaders/mode-default/loader.js       |  3 +++
 .../loaders/mode-default/webpack.config.js            | 10 ++++++++++
 test/configCases/loaders/mode-development/a.js        |  0
 test/configCases/loaders/mode-development/index.js    |  3 +++
 test/configCases/loaders/mode-development/loader.js   |  3 +++
 .../loaders/mode-development/webpack.config.js        | 11 +++++++++++
 test/configCases/loaders/mode-none/a.js               |  0
 test/configCases/loaders/mode-none/index.js           |  3 +++
 test/configCases/loaders/mode-none/loader.js          |  3 +++
 test/configCases/loaders/mode-none/webpack.config.js  | 11 +++++++++++
 test/configCases/loaders/mode-production/a.js         |  0
 test/configCases/loaders/mode-production/index.js     |  3 +++
 test/configCases/loaders/mode-production/loader.js    |  3 +++
 .../loaders/mode-production/webpack.config.js         | 11 +++++++++++
 17 files changed, 68 insertions(+)
 create mode 100644 test/configCases/loaders/mode-default/a.js
 create mode 100644 test/configCases/loaders/mode-default/index.js
 create mode 100644 test/configCases/loaders/mode-default/loader.js
 create mode 100644 test/configCases/loaders/mode-default/webpack.config.js
 create mode 100644 test/configCases/loaders/mode-development/a.js
 create mode 100644 test/configCases/loaders/mode-development/index.js
 create mode 100644 test/configCases/loaders/mode-development/loader.js
 create mode 100644 test/configCases/loaders/mode-development/webpack.config.js
 create mode 100644 test/configCases/loaders/mode-none/a.js
 create mode 100644 test/configCases/loaders/mode-none/index.js
 create mode 100644 test/configCases/loaders/mode-none/loader.js
 create mode 100644 test/configCases/loaders/mode-none/webpack.config.js
 create mode 100644 test/configCases/loaders/mode-production/a.js
 create mode 100644 test/configCases/loaders/mode-production/index.js
 create mode 100644 test/configCases/loaders/mode-production/loader.js
 create mode 100644 test/configCases/loaders/mode-production/webpack.config.js

diff --git a/lib/NormalModule.js b/lib/NormalModule.js
index 3e9dc55554a..b01d9d00b4b 100644
--- a/lib/NormalModule.js
+++ b/lib/NormalModule.js
@@ -212,6 +212,7 @@ class NormalModule extends Module {
 			rootContext: options.context,
 			webpack: true,
 			sourceMap: !!this.useSourceMap,
+			mode: options.mode,
 			_module: this,
 			_compilation: compilation,
 			_compiler: compilation.compiler,
diff --git a/test/configCases/loaders/mode-default/a.js b/test/configCases/loaders/mode-default/a.js
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/test/configCases/loaders/mode-default/index.js b/test/configCases/loaders/mode-default/index.js
new file mode 100644
index 00000000000..d0a4e106af4
--- /dev/null
+++ b/test/configCases/loaders/mode-default/index.js
@@ -0,0 +1,3 @@
+it("provides mode to loaders when the option is omitted", function() {
+	expect(require("./a")).toBe("production");
+});
diff --git a/test/configCases/loaders/mode-default/loader.js b/test/configCases/loaders/mode-default/loader.js
new file mode 100644
index 00000000000..0083d38fd1b
--- /dev/null
+++ b/test/configCases/loaders/mode-default/loader.js
@@ -0,0 +1,3 @@
+module.exports = function(source) {
+	return `module.exports = "${this.mode}";`;
+};
diff --git a/test/configCases/loaders/mode-default/webpack.config.js b/test/configCases/loaders/mode-default/webpack.config.js
new file mode 100644
index 00000000000..87ef526b932
--- /dev/null
+++ b/test/configCases/loaders/mode-default/webpack.config.js
@@ -0,0 +1,10 @@
+module.exports = {
+	module: {
+		rules: [
+			{
+				test: /a\.js$/,
+				use: "./loader"
+			}
+		]
+	}
+};
diff --git a/test/configCases/loaders/mode-development/a.js b/test/configCases/loaders/mode-development/a.js
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/test/configCases/loaders/mode-development/index.js b/test/configCases/loaders/mode-development/index.js
new file mode 100644
index 00000000000..6fd77efcc1c
--- /dev/null
+++ b/test/configCases/loaders/mode-development/index.js
@@ -0,0 +1,3 @@
+it("provides mode to loaders when the option is 'development'", function() {
+	expect(require("./a")).toBe("development");
+});
diff --git a/test/configCases/loaders/mode-development/loader.js b/test/configCases/loaders/mode-development/loader.js
new file mode 100644
index 00000000000..0083d38fd1b
--- /dev/null
+++ b/test/configCases/loaders/mode-development/loader.js
@@ -0,0 +1,3 @@
+module.exports = function(source) {
+	return `module.exports = "${this.mode}";`;
+};
diff --git a/test/configCases/loaders/mode-development/webpack.config.js b/test/configCases/loaders/mode-development/webpack.config.js
new file mode 100644
index 00000000000..5d7d3bf9b71
--- /dev/null
+++ b/test/configCases/loaders/mode-development/webpack.config.js
@@ -0,0 +1,11 @@
+module.exports = {
+	mode: "development",
+	module: {
+		rules: [
+			{
+				test: /a\.js$/,
+				use: "./loader"
+			}
+		]
+	}
+};
diff --git a/test/configCases/loaders/mode-none/a.js b/test/configCases/loaders/mode-none/a.js
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/test/configCases/loaders/mode-none/index.js b/test/configCases/loaders/mode-none/index.js
new file mode 100644
index 00000000000..ffecdce0b49
--- /dev/null
+++ b/test/configCases/loaders/mode-none/index.js
@@ -0,0 +1,3 @@
+it("provides mode to loaders when the option is 'none'", function() {
+	expect(require("./a")).toBe("none");
+});
diff --git a/test/configCases/loaders/mode-none/loader.js b/test/configCases/loaders/mode-none/loader.js
new file mode 100644
index 00000000000..0083d38fd1b
--- /dev/null
+++ b/test/configCases/loaders/mode-none/loader.js
@@ -0,0 +1,3 @@
+module.exports = function(source) {
+	return `module.exports = "${this.mode}";`;
+};
diff --git a/test/configCases/loaders/mode-none/webpack.config.js b/test/configCases/loaders/mode-none/webpack.config.js
new file mode 100644
index 00000000000..ba5a8fb0aa6
--- /dev/null
+++ b/test/configCases/loaders/mode-none/webpack.config.js
@@ -0,0 +1,11 @@
+module.exports = {
+	mode: "none",
+	module: {
+		rules: [
+			{
+				test: /a\.js$/,
+				use: "./loader"
+			}
+		]
+	}
+};
diff --git a/test/configCases/loaders/mode-production/a.js b/test/configCases/loaders/mode-production/a.js
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/test/configCases/loaders/mode-production/index.js b/test/configCases/loaders/mode-production/index.js
new file mode 100644
index 00000000000..c6ccd5be92e
--- /dev/null
+++ b/test/configCases/loaders/mode-production/index.js
@@ -0,0 +1,3 @@
+it("provides mode to loaders when the option is 'production'", function() {
+	expect(require("./a")).toBe("production");
+});
diff --git a/test/configCases/loaders/mode-production/loader.js b/test/configCases/loaders/mode-production/loader.js
new file mode 100644
index 00000000000..0083d38fd1b
--- /dev/null
+++ b/test/configCases/loaders/mode-production/loader.js
@@ -0,0 +1,3 @@
+module.exports = function(source) {
+	return `module.exports = "${this.mode}";`;
+};
diff --git a/test/configCases/loaders/mode-production/webpack.config.js b/test/configCases/loaders/mode-production/webpack.config.js
new file mode 100644
index 00000000000..20f3afadadc
--- /dev/null
+++ b/test/configCases/loaders/mode-production/webpack.config.js
@@ -0,0 +1,11 @@
+module.exports = {
+	mode: "production",
+	module: {
+		rules: [
+			{
+				test: /a\.js$/,
+				use: "./loader"
+			}
+		]
+	}
+};