diff options
| author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
|---|---|---|
| committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
| commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
| tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js | |
| parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) | |
node_modules
Diffstat (limited to 'node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js')
| -rw-r--r-- | node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js b/node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js new file mode 100644 index 000000000..cd3b63115 --- /dev/null +++ b/node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js @@ -0,0 +1,85 @@ +/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class HarmonyModulesHelpers {
+
+ static getModuleVar(state, request) {
+ if(!state.harmonyModules) state.harmonyModules = [];
+ var idx = state.harmonyModules.indexOf(request);
+ if(idx < 0) {
+ idx = state.harmonyModules.length;
+ state.harmonyModules.push(request);
+ }
+ return "__WEBPACK_IMPORTED_MODULE_" + idx + "_" + request.replace(/[^A-Za-z0-9_]/g, "_").replace(/__+/g, "_") + "__";
+ }
+
+ static getNewModuleVar(state, request) {
+ if(state.harmonyModules && state.harmonyModules.indexOf(request) >= 0)
+ return null;
+ return this.getModuleVar(state, request);
+ }
+
+ static checkModuleVar(state, request) {
+ if(!state.harmonyModules || state.harmonyModules.indexOf(request) < 0)
+ return null;
+ return this.getModuleVar(state, request);
+ }
+
+ // checks if an harmony dependency is active in a module according to
+ // precedence rules.
+ static isActive(module, depInQuestion) {
+ var desc = depInQuestion.describeHarmonyExport();
+ if(!desc.exportedName) return true;
+ var before = true;
+ for(var i = 0; i < module.dependencies.length; i++) {
+ var dep = module.dependencies[i];
+ if(dep === depInQuestion) {
+ before = false;
+ continue;
+ }
+ if(!dep.describeHarmonyExport) continue;
+ var d = dep.describeHarmonyExport();
+ if(!d || !d.exportedName) continue;
+ if(d.exportedName === desc.exportedName) {
+ if(d.precedence < desc.precedence) {
+ return false;
+ }
+ if(d.precedence === desc.precedence && !before) {
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+
+ // get a list of named exports defined in a module
+ // doesn't include * reexports.
+ static getActiveExports(module, currentDependency) {
+ var desc = currentDependency && currentDependency.describeHarmonyExport();
+ var currentIndex = currentDependency ? module.dependencies.indexOf(currentDependency) : -1;
+ return module.dependencies.map((dep, idx) => {
+ return {
+ dep: dep,
+ idx: idx
+ };
+ }).reduce((arr, data) => {
+ var dep = data.dep;
+ if(!dep.describeHarmonyExport) return arr;
+ var d = dep.describeHarmonyExport();
+ if(!d) return arr;
+ if(!desc || (d.precedence < desc.precedence) || (d.precedence === desc.precedence && data.idx < currentIndex)) {
+ var names = [].concat(d.exportedName);
+ names.forEach(function(name) {
+ if(name && arr.indexOf(name) < 0)
+ arr.push(name);
+ });
+ }
+ return arr;
+ }, []);
+ }
+}
+
+module.exports = HarmonyModulesHelpers;
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