mirror of https://github.com/webpack/webpack.git
99 lines
3.9 KiB
JavaScript
99 lines
3.9 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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"use strict";
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const HarmonyImportDependency = require("./HarmonyImportDependency");
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const HarmonyImportSpecifierDependency = require("./HarmonyImportSpecifierDependency");
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const HarmonyAcceptImportDependency = require("./HarmonyAcceptImportDependency");
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const HarmonyAcceptDependency = require("./HarmonyAcceptDependency");
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const HarmonyModulesHelpers = require("./HarmonyModulesHelpers");
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module.exports = class HarmonyImportDependencyParserPlugin {
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apply(parser) {
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parser.plugin("import", (statement, source) => {
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const dep = new HarmonyImportDependency(source, HarmonyModulesHelpers.getNewModuleVar(parser.state, source), statement.range);
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dep.loc = statement.loc;
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parser.state.current.addDependency(dep);
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parser.state.lastHarmonyImport = dep;
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return true;
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});
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parser.plugin("import specifier", (statement, source, id, name) => {
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parser.scope.definitions.length--;
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parser.scope.renames[`$${name}`] = "imported var";
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if(!parser.state.harmonySpecifier) parser.state.harmonySpecifier = {};
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parser.state.harmonySpecifier[`$${name}`] = [parser.state.lastHarmonyImport, HarmonyModulesHelpers.getModuleVar(parser.state, source), id];
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return true;
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});
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parser.plugin("expression imported var", (expr) => {
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const name = expr.name;
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const settings = parser.state.harmonySpecifier[`$${name}`];
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const dep = new HarmonyImportSpecifierDependency(settings[0], settings[1], settings[2], name, expr.range);
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dep.shorthand = parser.scope.inShorthand;
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dep.directImport = true;
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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return true;
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});
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parser.plugin("expression imported var.*", (expr) => {
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const name = expr.object.name;
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const settings = parser.state.harmonySpecifier[`$${name}`];
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if(settings[2] !== null)
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return false;
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const dep = new HarmonyImportSpecifierDependency(settings[0], settings[1], expr.property.name || expr.property.value, name, expr.range);
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dep.shorthand = parser.scope.inShorthand;
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dep.directImport = false;
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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return true;
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});
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parser.plugin("call imported var", (expr) => {
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const args = expr.arguments;
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const fullExpr = expr;
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expr = expr.callee;
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const name = expr.name;
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const settings = parser.state.harmonySpecifier[`$${name}`];
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const dep = new HarmonyImportSpecifierDependency(settings[0], settings[1], settings[2], name, expr.range);
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dep.directImport = true;
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dep.callArgs = args;
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dep.call = fullExpr;
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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if(args)
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parser.walkExpressions(args);
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return true;
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});
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parser.plugin("hot accept callback", (expr, requests) => {
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const dependencies = requests
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.filter(request => HarmonyModulesHelpers.checkModuleVar(parser.state, request))
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.map(request => {
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const dep = new HarmonyAcceptImportDependency(request, HarmonyModulesHelpers.getModuleVar(parser.state, request), expr.range);
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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return dep;
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});
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if(dependencies.length > 0) {
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const dep = new HarmonyAcceptDependency(expr.range, dependencies, true);
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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}
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});
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parser.plugin("hot accept without callback", (expr, requests) => {
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const dependencies = requests
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.filter(request => HarmonyModulesHelpers.checkModuleVar(parser.state, request))
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.map(request => {
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const dep = new HarmonyAcceptImportDependency(request, HarmonyModulesHelpers.getModuleVar(parser.state, request), expr.range);
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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return dep;
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});
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if(dependencies.length > 0) {
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const dep = new HarmonyAcceptDependency(expr.range, dependencies, false);
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dep.loc = expr.loc;
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parser.state.current.addDependency(dep);
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}
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});
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}
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};
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