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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js
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-rw-r--r--node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js138
1 files changed, 138 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js
new file mode 100644
index 0000000..b0faa1a
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+++ b/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js
@@ -0,0 +1,138 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const CommonJsRequireDependency = require("./CommonJsRequireDependency");
+const CommonJsRequireContextDependency = require("./CommonJsRequireContextDependency");
+const RequireHeaderDependency = require("./RequireHeaderDependency");
+const LocalModuleDependency = require("./LocalModuleDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+const LocalModulesHelpers = require("./LocalModulesHelpers");
+const ParserHelpers = require("../ParserHelpers");
+
+class CommonJsRequireDependencyParserPlugin {
+ constructor(options) {
+ this.options = options;
+ }
+
+ apply(parser) {
+ const options = this.options;
+
+ const processItem = (expr, param) => {
+ if (param.isString()) {
+ const dep = new CommonJsRequireDependency(param.string, param.range);
+ dep.loc = expr.loc;
+ dep.optional = !!parser.scope.inTry;
+ parser.state.current.addDependency(dep);
+ return true;
+ }
+ };
+ const processContext = (expr, param) => {
+ const dep = ContextDependencyHelpers.create(
+ CommonJsRequireContextDependency,
+ expr.range,
+ param,
+ expr,
+ options,
+ {},
+ parser
+ );
+ if (!dep) return;
+ dep.loc = expr.loc;
+ dep.optional = !!parser.scope.inTry;
+ parser.state.current.addDependency(dep);
+ return true;
+ };
+
+ parser.hooks.expression
+ .for("require.cache")
+ .tap(
+ "CommonJsRequireDependencyParserPlugin",
+ ParserHelpers.toConstantDependencyWithWebpackRequire(
+ parser,
+ "__webpack_require__.c"
+ )
+ );
+ parser.hooks.expression
+ .for("require")
+ .tap("CommonJsRequireDependencyParserPlugin", expr => {
+ const dep = new CommonJsRequireContextDependency(
+ {
+ request: options.unknownContextRequest,
+ recursive: options.unknownContextRecursive,
+ regExp: options.unknownContextRegExp,
+ mode: "sync"
+ },
+ expr.range
+ );
+ dep.critical =
+ options.unknownContextCritical &&
+ "require function is used in a way in which dependencies cannot be statically extracted";
+ dep.loc = expr.loc;
+ dep.optional = !!parser.scope.inTry;
+ parser.state.current.addDependency(dep);
+ return true;
+ });
+
+ const createHandler = callNew => expr => {
+ if (expr.arguments.length !== 1) return;
+ let localModule;
+ const param = parser.evaluateExpression(expr.arguments[0]);
+ if (param.isConditional()) {
+ let isExpression = false;
+ const prevLength = parser.state.current.dependencies.length;
+ const dep = new RequireHeaderDependency(expr.callee.range);
+ dep.loc = expr.loc;
+ parser.state.current.addDependency(dep);
+ for (const p of param.options) {
+ const result = processItem(expr, p);
+ if (result === undefined) {
+ isExpression = true;
+ }
+ }
+ if (isExpression) {
+ parser.state.current.dependencies.length = prevLength;
+ } else {
+ return true;
+ }
+ }
+ if (
+ param.isString() &&
+ (localModule = LocalModulesHelpers.getLocalModule(
+ parser.state,
+ param.string
+ ))
+ ) {
+ const dep = new LocalModuleDependency(localModule, expr.range, callNew);
+ dep.loc = expr.loc;
+ parser.state.current.addDependency(dep);
+ return true;
+ } else {
+ const result = processItem(expr, param);
+ if (result === undefined) {
+ processContext(expr, param);
+ } else {
+ const dep = new RequireHeaderDependency(expr.callee.range);
+ dep.loc = expr.loc;
+ parser.state.current.addDependency(dep);
+ }
+ return true;
+ }
+ };
+ parser.hooks.call
+ .for("require")
+ .tap("CommonJsRequireDependencyParserPlugin", createHandler(false));
+ parser.hooks.new
+ .for("require")
+ .tap("CommonJsRequireDependencyParserPlugin", createHandler(true));
+ parser.hooks.call
+ .for("module.require")
+ .tap("CommonJsRequireDependencyParserPlugin", createHandler(false));
+ parser.hooks.new
+ .for("module.require")
+ .tap("CommonJsRequireDependencyParserPlugin", createHandler(true));
+ }
+}
+module.exports = CommonJsRequireDependencyParserPlugin;