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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/RequireResolveDependencyParserPlugin.js
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Diffstat (limited to 'node_modules/webpack/lib/dependencies/RequireResolveDependencyParserPlugin.js')
-rw-r--r--node_modules/webpack/lib/dependencies/RequireResolveDependencyParserPlugin.js86
1 files changed, 86 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/RequireResolveDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/RequireResolveDependencyParserPlugin.js
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+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireResolveDependency = require("./RequireResolveDependency");
+const RequireResolveContextDependency = require("./RequireResolveContextDependency");
+const RequireResolveHeaderDependency = require("./RequireResolveHeaderDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+
+class RequireResolveDependencyParserPlugin {
+ constructor(options) {
+ this.options = options;
+ }
+
+ apply(parser) {
+ const options = this.options;
+
+ const process = (expr, weak) => {
+ if (expr.arguments.length !== 1) return;
+ const param = parser.evaluateExpression(expr.arguments[0]);
+ if (param.isConditional()) {
+ for (const option of param.options) {
+ const result = processItem(expr, option, weak);
+ if (result === undefined) {
+ processContext(expr, option, weak);
+ }
+ }
+ const dep = new RequireResolveHeaderDependency(expr.callee.range);
+ dep.loc = expr.loc;
+ parser.state.current.addDependency(dep);
+ return true;
+ } else {
+ const result = processItem(expr, param, weak);
+ if (result === undefined) {
+ processContext(expr, param, weak);
+ }
+ const dep = new RequireResolveHeaderDependency(expr.callee.range);
+ dep.loc = expr.loc;
+ parser.state.current.addDependency(dep);
+ return true;
+ }
+ };
+ const processItem = (expr, param, weak) => {
+ if (param.isString()) {
+ const dep = new RequireResolveDependency(param.string, param.range);
+ dep.loc = expr.loc;
+ dep.optional = !!parser.scope.inTry;
+ dep.weak = weak;
+ parser.state.current.addDependency(dep);
+ return true;
+ }
+ };
+ const processContext = (expr, param, weak) => {
+ const dep = ContextDependencyHelpers.create(
+ RequireResolveContextDependency,
+ param.range,
+ param,
+ expr,
+ options,
+ {
+ mode: weak ? "weak" : "sync"
+ },
+ parser
+ );
+ if (!dep) return;
+ dep.loc = expr.loc;
+ dep.optional = !!parser.scope.inTry;
+ parser.state.current.addDependency(dep);
+ return true;
+ };
+
+ parser.hooks.call
+ .for("require.resolve")
+ .tap("RequireResolveDependencyParserPlugin", expr => {
+ return process(expr, false);
+ });
+ parser.hooks.call
+ .for("require.resolveWeak")
+ .tap("RequireResolveDependencyParserPlugin", expr => {
+ return process(expr, true);
+ });
+ }
+}
+module.exports = RequireResolveDependencyParserPlugin;