diff options
Diffstat (limited to 'node_modules/webpack/lib/EnvironmentPlugin.js')
| -rw-r--r-- | node_modules/webpack/lib/EnvironmentPlugin.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/EnvironmentPlugin.js b/node_modules/webpack/lib/EnvironmentPlugin.js new file mode 100644 index 000000000..3f03fabdf --- /dev/null +++ b/node_modules/webpack/lib/EnvironmentPlugin.js @@ -0,0 +1,50 @@ +/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Authors Simen Brekken @simenbrekken, Einar Löve @einarlove
+*/
+
+"use strict";
+
+const DefinePlugin = require("./DefinePlugin");
+
+class EnvironmentPlugin {
+ constructor(keys) {
+ if(Array.isArray(keys)) {
+ this.keys = keys;
+ this.defaultValues = {};
+ } else if(keys && typeof keys === "object") {
+ this.keys = Object.keys(keys);
+ this.defaultValues = keys;
+ } else {
+ this.keys = Array.prototype.slice.call(arguments);
+ this.defaultValues = {};
+ }
+ }
+
+ apply(compiler) {
+ const definitions = this.keys.reduce((defs, key) => {
+ const value = process.env[key] !== undefined ? process.env[key] : this.defaultValues[key];
+
+ if(value === undefined) {
+ compiler.plugin("this-compilation", compilation => {
+ const error = new Error(
+ `EnvironmentPlugin - ${key} environment variable is undefined.\n\n` +
+ "You can pass an object with default values to suppress this warning.\n" +
+ "See https://webpack.js.org/plugins/environment-plugin for example."
+ );
+
+ error.name = "EnvVariableNotDefinedError";
+ compilation.warnings.push(error);
+ });
+ }
+
+ defs[`process.env.${key}`] = typeof value === "undefined" ? "undefined" : JSON.stringify(value);
+
+ return defs;
+ }, {});
+
+ compiler.apply(new DefinePlugin(definitions));
+ }
+}
+
+module.exports = EnvironmentPlugin;
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