mirror of https://github.com/webpack/webpack.git
73 lines
3.1 KiB
JavaScript
73 lines
3.1 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var AbstractPlugin = require("../AbstractPlugin");
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var HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
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var HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
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var HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
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var HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
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var HarmonyImportDependency = require("./HarmonyImportDependency");
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var HarmonyModulesHelpers = require("./HarmonyModulesHelpers");
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module.exports = AbstractPlugin.create({
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"export": function(statement) {
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var dep = new HarmonyExportHeaderDependency(statement.declaration && statement.declaration.range, statement.range);
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dep.loc = statement.loc;
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this.state.current.addDependency(dep);
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this.state.module.meta.harmonyModule = true;
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this.state.module.strict = true;
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return true;
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},
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"export import": function(statement, source) {
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var dep = new HarmonyImportDependency(source, HarmonyModulesHelpers.getNewModuleVar(this.state, source), statement.range);
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dep.loc = statement.loc;
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this.state.current.addDependency(dep);
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this.state.lastHarmoryImport = dep;
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this.state.module.meta.harmonyModule = true;
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this.state.module.strict = true;
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return true;
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},
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"export expression": function(statement, expr) {
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var dep = new HarmonyExportExpressionDependency(this.state.module, expr.range, statement.range);
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dep.loc = statement.loc;
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this.state.current.addDependency(dep);
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this.state.module.strict = true;
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return true;
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},
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"export declaration": function(statement) {},
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"export specifier": function(statement, id, name) {
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var rename = this.scope.renames["$" + id];
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var dep;
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if(rename === "imported var") {
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var settings = this.state.harmonySpecifier["$" + id];
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dep = new HarmonyExportImportedSpecifierDependency(this.state.module, settings[0], settings[1], settings[2], name, statement.range[1]);
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} else {
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var immutable = statement.declaration && isImmutableStatement(statement.declaration);
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var hoisted = statement.declaration && isHoistedStatement(statement.declaration);
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dep = new HarmonyExportSpecifierDependency(this.state.module, id, name, !immutable || hoisted ? -0.5 : (statement.range[1] + 0.5), immutable);
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}
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dep.loc = statement.loc;
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this.state.current.addDependency(dep);
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return true;
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},
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"export import specifier": function(statement, source, id, name) {
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var dep = new HarmonyExportImportedSpecifierDependency(this.state.module, this.state.lastHarmoryImport, HarmonyModulesHelpers.getModuleVar(this.state, source), id, name, 0);
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dep.loc = statement.loc;
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this.state.current.addDependency(dep);
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return true;
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}
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});
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function isImmutableStatement(statement) {
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if(statement.type === "FunctionDeclaration") return true;
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if(statement.type === "ClassDeclaration") return true;
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if(statement.type === "VariableDeclaration" && statement.kind === "const") return true;
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return false;
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}
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function isHoistedStatement(statement) {
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if(statement.type === "FunctionDeclaration") return true;
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return false;
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}
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