130 lines
3.7 KiB
JavaScript
130 lines
3.7 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 NullDependency = require("./NullDependency");
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class HarmonyImportSpecifierDependency extends NullDependency {
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constructor(importDependency, importedVar, id, name, range, strictExportPresence) {
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super();
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this.importDependency = importDependency;
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this.importedVar = importedVar;
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this.id = id;
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this.name = name;
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this.range = range;
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this.strictExportPresence = strictExportPresence;
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this.namespaceObjectAsContext = false;
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this.callArgs = undefined;
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this.call = undefined;
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this.directImport = undefined;
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}
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get type() {
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return "harmony import specifier";
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}
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getReference() {
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if(!this.importDependency.module) return null;
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return {
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module: this.importDependency.module,
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importedNames: this.id && !this.namespaceObjectAsContext ? [this.id] : true
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};
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}
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getWarnings() {
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if(this.strictExportPresence) {
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return [];
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}
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return this._getErrors();
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}
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getErrors() {
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if(this.strictExportPresence) {
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return this._getErrors();
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}
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return [];
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}
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_getErrors() {
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const importedModule = this.importDependency.module;
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if(!importedModule || !importedModule.meta || !importedModule.meta.harmonyModule) {
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return;
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}
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if(!this.id) {
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return;
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}
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if(importedModule.isProvided(this.id) !== false) {
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return;
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}
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const idIsNotNameMessage = this.id !== this.name ? ` (imported as '${this.name}')` : "";
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const errorMessage = `"export '${this.id}'${idIsNotNameMessage} was not found in '${this.importDependency.userRequest}'`;
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const err = new Error(errorMessage);
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err.hideStack = true;
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return [err];
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}
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updateHash(hash) {
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super.updateHash(hash);
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const importedModule = this.importDependency.module;
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hash.update((importedModule && importedModule.id) + "");
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hash.update((importedModule && this.id) + "");
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hash.update((importedModule && this.importedVar) + "");
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hash.update((importedModule && this.id && importedModule.isUsed(this.id)) + "");
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hash.update((importedModule && (!importedModule.meta || importedModule.meta.harmonyModule)) + "");
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hash.update((importedModule && (importedModule.used + JSON.stringify(importedModule.usedExports))) + "");
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}
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}
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HarmonyImportSpecifierDependency.Template = class HarmonyImportSpecifierDependencyTemplate {
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apply(dep, source) {
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const content = this.getContent(dep);
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source.replace(dep.range[0], dep.range[1] - 1, content);
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}
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getContent(dep) {
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const importedModule = dep.importDependency.module;
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const defaultImport = dep.directImport && dep.id === "default" && !(importedModule && (!importedModule.meta || importedModule.meta.harmonyModule));
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const shortHandPrefix = this.getShortHandPrefix(dep);
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const importedVar = dep.importedVar;
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const importedVarSuffix = this.getImportVarSuffix(dep, defaultImport, importedModule);
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if(dep.call && defaultImport) {
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return `${shortHandPrefix}${importedVar}_default()`;
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}
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if(dep.call && dep.id) {
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return `${shortHandPrefix}Object(${importedVar}${importedVarSuffix})`;
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}
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return `${shortHandPrefix}${importedVar}${importedVarSuffix}`;
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}
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getImportVarSuffix(dep, defaultImport, importedModule) {
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if(defaultImport) {
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return "_default.a";
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}
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if(dep.id) {
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const used = importedModule ? importedModule.isUsed(dep.id) : dep.id;
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const optionalComment = dep.id !== used ? " /* " + dep.id + " */" : "";
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return `[${JSON.stringify(used)}${optionalComment}]`;
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}
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return "";
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}
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getShortHandPrefix(dep) {
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if(!dep.shorthand) {
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return "";
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}
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return dep.name + ": ";
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}
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};
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module.exports = HarmonyImportSpecifierDependency;
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