You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
383 lines
12 KiB
383 lines
12 KiB
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const ConditionalInitFragment = require("../ConditionalInitFragment");
|
|
const Dependency = require("../Dependency");
|
|
const HarmonyLinkingError = require("../HarmonyLinkingError");
|
|
const InitFragment = require("../InitFragment");
|
|
const Template = require("../Template");
|
|
const AwaitDependenciesInitFragment = require("../async-modules/AwaitDependenciesInitFragment");
|
|
const { filterRuntime, mergeRuntime } = require("../util/runtime");
|
|
const ModuleDependency = require("./ModuleDependency");
|
|
|
|
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
|
|
/** @typedef {import("webpack-sources").Source} Source */
|
|
/** @typedef {import("../ChunkGraph")} ChunkGraph */
|
|
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
|
|
/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
|
|
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
|
|
/** @typedef {import("../ExportsInfo")} ExportsInfo */
|
|
/** @typedef {import("../Module")} Module */
|
|
/** @typedef {import("../Module").BuildMeta} BuildMeta */
|
|
/** @typedef {import("../ModuleGraph")} ModuleGraph */
|
|
/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
|
|
/** @typedef {import("../WebpackError")} WebpackError */
|
|
/** @typedef {import("../javascript/JavascriptParser").ImportAttributes} ImportAttributes */
|
|
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
|
|
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
|
|
/** @typedef {import("../util/Hash")} Hash */
|
|
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
|
|
|
|
const ExportPresenceModes = {
|
|
NONE: /** @type {0} */ (0),
|
|
WARN: /** @type {1} */ (1),
|
|
AUTO: /** @type {2} */ (2),
|
|
ERROR: /** @type {3} */ (3),
|
|
/**
|
|
* @param {string | false} str param
|
|
* @returns {0 | 1 | 2 | 3} result
|
|
*/
|
|
fromUserOption(str) {
|
|
switch (str) {
|
|
case "error":
|
|
return ExportPresenceModes.ERROR;
|
|
case "warn":
|
|
return ExportPresenceModes.WARN;
|
|
case "auto":
|
|
return ExportPresenceModes.AUTO;
|
|
case false:
|
|
return ExportPresenceModes.NONE;
|
|
default:
|
|
throw new Error(`Invalid export presence value ${str}`);
|
|
}
|
|
}
|
|
};
|
|
|
|
class HarmonyImportDependency extends ModuleDependency {
|
|
/**
|
|
* @param {string} request request string
|
|
* @param {number} sourceOrder source order
|
|
* @param {ImportAttributes=} attributes import attributes
|
|
*/
|
|
constructor(request, sourceOrder, attributes) {
|
|
super(request);
|
|
this.sourceOrder = sourceOrder;
|
|
this.assertions = attributes;
|
|
}
|
|
|
|
get category() {
|
|
return "esm";
|
|
}
|
|
|
|
/**
|
|
* Returns list of exports referenced by this dependency
|
|
* @param {ModuleGraph} moduleGraph module graph
|
|
* @param {RuntimeSpec} runtime the runtime for which the module is analysed
|
|
* @returns {(string[] | ReferencedExport)[]} referenced exports
|
|
*/
|
|
getReferencedExports(moduleGraph, runtime) {
|
|
return Dependency.NO_EXPORTS_REFERENCED;
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @returns {string} name of the variable for the import
|
|
*/
|
|
getImportVar(moduleGraph) {
|
|
const module = /** @type {Module} */ (moduleGraph.getParentModule(this));
|
|
const meta = /** @type {TODO} */ (moduleGraph.getMeta(module));
|
|
let importVarMap = meta.importVarMap;
|
|
if (!importVarMap) meta.importVarMap = importVarMap = new Map();
|
|
let importVar = importVarMap.get(
|
|
/** @type {Module} */ (moduleGraph.getModule(this))
|
|
);
|
|
if (importVar) return importVar;
|
|
importVar = `${Template.toIdentifier(
|
|
`${this.userRequest}`
|
|
)}__WEBPACK_IMPORTED_MODULE_${importVarMap.size}__`;
|
|
importVarMap.set(
|
|
/** @type {Module} */ (moduleGraph.getModule(this)),
|
|
importVar
|
|
);
|
|
return importVar;
|
|
}
|
|
|
|
/**
|
|
* @param {boolean} update create new variables or update existing one
|
|
* @param {DependencyTemplateContext} templateContext the template context
|
|
* @returns {[string, string]} the import statement and the compat statement
|
|
*/
|
|
getImportStatement(
|
|
update,
|
|
{ runtimeTemplate, module, moduleGraph, chunkGraph, runtimeRequirements }
|
|
) {
|
|
return runtimeTemplate.importStatement({
|
|
update,
|
|
module: /** @type {Module} */ (moduleGraph.getModule(this)),
|
|
chunkGraph,
|
|
importVar: this.getImportVar(moduleGraph),
|
|
request: this.request,
|
|
originModule: module,
|
|
runtimeRequirements
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph module graph
|
|
* @param {string[]} ids imported ids
|
|
* @param {string} additionalMessage extra info included in the error message
|
|
* @returns {WebpackError[] | undefined} errors
|
|
*/
|
|
getLinkingErrors(moduleGraph, ids, additionalMessage) {
|
|
const importedModule = moduleGraph.getModule(this);
|
|
// ignore errors for missing or failed modules
|
|
if (!importedModule || importedModule.getNumberOfErrors() > 0) {
|
|
return;
|
|
}
|
|
|
|
const parentModule =
|
|
/** @type {Module} */
|
|
(moduleGraph.getParentModule(this));
|
|
const exportsType = importedModule.getExportsType(
|
|
moduleGraph,
|
|
/** @type {BuildMeta} */ (parentModule.buildMeta).strictHarmonyModule
|
|
);
|
|
if (exportsType === "namespace" || exportsType === "default-with-named") {
|
|
if (ids.length === 0) {
|
|
return;
|
|
}
|
|
|
|
if (
|
|
(exportsType !== "default-with-named" || ids[0] !== "default") &&
|
|
moduleGraph.isExportProvided(importedModule, ids) === false
|
|
) {
|
|
// We are sure that it's not provided
|
|
|
|
// Try to provide detailed info in the error message
|
|
let pos = 0;
|
|
let exportsInfo = moduleGraph.getExportsInfo(importedModule);
|
|
while (pos < ids.length && exportsInfo) {
|
|
const id = ids[pos++];
|
|
const exportInfo = exportsInfo.getReadOnlyExportInfo(id);
|
|
if (exportInfo.provided === false) {
|
|
// We are sure that it's not provided
|
|
const providedExports = exportsInfo.getProvidedExports();
|
|
const moreInfo = !Array.isArray(providedExports)
|
|
? " (possible exports unknown)"
|
|
: providedExports.length === 0
|
|
? " (module has no exports)"
|
|
: ` (possible exports: ${providedExports.join(", ")})`;
|
|
return [
|
|
new HarmonyLinkingError(
|
|
`export ${ids
|
|
.slice(0, pos)
|
|
.map(id => `'${id}'`)
|
|
.join(".")} ${additionalMessage} was not found in '${
|
|
this.userRequest
|
|
}'${moreInfo}`
|
|
)
|
|
];
|
|
}
|
|
exportsInfo =
|
|
/** @type {ExportsInfo} */
|
|
(exportInfo.getNestedExportsInfo());
|
|
}
|
|
|
|
// General error message
|
|
return [
|
|
new HarmonyLinkingError(
|
|
`export ${ids
|
|
.map(id => `'${id}'`)
|
|
.join(".")} ${additionalMessage} was not found in '${
|
|
this.userRequest
|
|
}'`
|
|
)
|
|
];
|
|
}
|
|
}
|
|
switch (exportsType) {
|
|
case "default-only":
|
|
// It's has only a default export
|
|
if (ids.length > 0 && ids[0] !== "default") {
|
|
// In strict harmony modules we only support the default export
|
|
return [
|
|
new HarmonyLinkingError(
|
|
`Can't import the named export ${ids
|
|
.map(id => `'${id}'`)
|
|
.join(
|
|
"."
|
|
)} ${additionalMessage} from default-exporting module (only default export is available)`
|
|
)
|
|
];
|
|
}
|
|
break;
|
|
case "default-with-named":
|
|
// It has a default export and named properties redirect
|
|
// In some cases we still want to warn here
|
|
if (
|
|
ids.length > 0 &&
|
|
ids[0] !== "default" &&
|
|
/** @type {BuildMeta} */
|
|
(importedModule.buildMeta).defaultObject === "redirect-warn"
|
|
) {
|
|
// For these modules only the default export is supported
|
|
return [
|
|
new HarmonyLinkingError(
|
|
`Should not import the named export ${ids
|
|
.map(id => `'${id}'`)
|
|
.join(
|
|
"."
|
|
)} ${additionalMessage} from default-exporting module (only default export is available soon)`
|
|
)
|
|
];
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {ObjectSerializerContext} context context
|
|
*/
|
|
serialize(context) {
|
|
const { write } = context;
|
|
write(this.sourceOrder);
|
|
write(this.assertions);
|
|
super.serialize(context);
|
|
}
|
|
|
|
/**
|
|
* @param {ObjectDeserializerContext} context context
|
|
*/
|
|
deserialize(context) {
|
|
const { read } = context;
|
|
this.sourceOrder = read();
|
|
this.assertions = read();
|
|
super.deserialize(context);
|
|
}
|
|
}
|
|
|
|
module.exports = HarmonyImportDependency;
|
|
|
|
/** @type {WeakMap<Module, WeakMap<Module, RuntimeSpec | boolean>>} */
|
|
const importEmittedMap = new WeakMap();
|
|
|
|
HarmonyImportDependency.Template = class HarmonyImportDependencyTemplate extends (
|
|
ModuleDependency.Template
|
|
) {
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(dependency, source, templateContext) {
|
|
const dep = /** @type {HarmonyImportDependency} */ (dependency);
|
|
const { module, chunkGraph, moduleGraph, runtime } = templateContext;
|
|
|
|
const connection = moduleGraph.getConnection(dep);
|
|
if (connection && !connection.isTargetActive(runtime)) return;
|
|
|
|
const referencedModule = connection && connection.module;
|
|
|
|
if (
|
|
connection &&
|
|
connection.weak &&
|
|
referencedModule &&
|
|
chunkGraph.getModuleId(referencedModule) === null
|
|
) {
|
|
// in weak references, module might not be in any chunk
|
|
// but that's ok, we don't need that logic in this case
|
|
return;
|
|
}
|
|
|
|
const moduleKey = referencedModule
|
|
? referencedModule.identifier()
|
|
: dep.request;
|
|
const key = `harmony import ${moduleKey}`;
|
|
|
|
const runtimeCondition = dep.weak
|
|
? false
|
|
: connection
|
|
? filterRuntime(runtime, r => connection.isTargetActive(r))
|
|
: true;
|
|
|
|
if (module && referencedModule) {
|
|
let emittedModules = importEmittedMap.get(module);
|
|
if (emittedModules === undefined) {
|
|
emittedModules = new WeakMap();
|
|
importEmittedMap.set(module, emittedModules);
|
|
}
|
|
let mergedRuntimeCondition = runtimeCondition;
|
|
const oldRuntimeCondition = emittedModules.get(referencedModule) || false;
|
|
if (oldRuntimeCondition !== false && mergedRuntimeCondition !== true) {
|
|
if (mergedRuntimeCondition === false || oldRuntimeCondition === true) {
|
|
mergedRuntimeCondition = oldRuntimeCondition;
|
|
} else {
|
|
mergedRuntimeCondition = mergeRuntime(
|
|
oldRuntimeCondition,
|
|
mergedRuntimeCondition
|
|
);
|
|
}
|
|
}
|
|
emittedModules.set(referencedModule, mergedRuntimeCondition);
|
|
}
|
|
|
|
const importStatement = dep.getImportStatement(false, templateContext);
|
|
if (
|
|
referencedModule &&
|
|
templateContext.moduleGraph.isAsync(referencedModule)
|
|
) {
|
|
templateContext.initFragments.push(
|
|
new ConditionalInitFragment(
|
|
importStatement[0],
|
|
InitFragment.STAGE_HARMONY_IMPORTS,
|
|
dep.sourceOrder,
|
|
key,
|
|
runtimeCondition
|
|
)
|
|
);
|
|
templateContext.initFragments.push(
|
|
new AwaitDependenciesInitFragment(
|
|
new Set([dep.getImportVar(templateContext.moduleGraph)])
|
|
)
|
|
);
|
|
templateContext.initFragments.push(
|
|
new ConditionalInitFragment(
|
|
importStatement[1],
|
|
InitFragment.STAGE_ASYNC_HARMONY_IMPORTS,
|
|
dep.sourceOrder,
|
|
`${key} compat`,
|
|
runtimeCondition
|
|
)
|
|
);
|
|
} else {
|
|
templateContext.initFragments.push(
|
|
new ConditionalInitFragment(
|
|
importStatement[0] + importStatement[1],
|
|
InitFragment.STAGE_HARMONY_IMPORTS,
|
|
dep.sourceOrder,
|
|
key,
|
|
runtimeCondition
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {Module} module the module
|
|
* @param {Module} referencedModule the referenced module
|
|
* @returns {RuntimeSpec | boolean} runtimeCondition in which this import has been emitted
|
|
*/
|
|
static getImportEmittedRuntime(module, referencedModule) {
|
|
const emittedModules = importEmittedMap.get(module);
|
|
if (emittedModules === undefined) return false;
|
|
return emittedModules.get(referencedModule) || false;
|
|
}
|
|
};
|
|
|
|
module.exports.ExportPresenceModes = ExportPresenceModes;
|