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logs.ts
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logs.ts
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import { locate } from 'locate-character';
import type Module from '../Module';
import type {
InternalModuleFormat,
LogHandler,
NormalizedInputOptions,
RollupLog
} from '../rollup/types';
import type { AnnotationType } from './astConverterHelpers';
import getCodeFrame from './getCodeFrame';
import { LOGLEVEL_WARN } from './logging';
import { extname } from './path';
import { printQuotedStringList } from './printStringList';
import relativeId from './relativeId';
import { getRollupUrl } from './url';
import {
URL_A_SIMPLE_EXAMPLE,
URL_AVOIDING_EVAL,
URL_BUNDLE_CONFIG_AS_CJS,
URL_CONFIGURATION_FILES,
URL_NAME_IS_NOT_EXPORTED,
URL_OUTPUT_DIR,
URL_OUTPUT_EXPORTS,
URL_OUTPUT_EXTEND,
URL_OUTPUT_GLOBALS,
URL_OUTPUT_INTEROP,
URL_OUTPUT_NAME,
URL_SOURCEMAP_IS_LIKELY_TO_BE_INCORRECT,
URL_THIS_IS_UNDEFINED,
URL_TREATING_MODULE_AS_EXTERNAL_DEPENDENCY,
URL_TREESHAKE_NOSIDEEFFECTS,
URL_TREESHAKE_PURE
} from './urls';
export function error(base: Error | RollupLog): never {
throw base instanceof Error ? base : getRollupError(base);
}
export function getRollupError(base: RollupLog): Error & RollupLog {
const errorInstance = Object.assign(new Error(base.message), base);
Object.defineProperty(errorInstance, 'name', { value: 'RollupError', writable: true });
return errorInstance;
}
export function augmentCodeLocation(
properties: RollupLog,
pos: number | { column: number; line: number },
source: string,
id: string
): void {
if (typeof pos === 'object') {
const { line, column } = pos;
properties.loc = { column, file: id, line };
} else {
properties.pos = pos;
const location = locate(source, pos, { offsetLine: 1 });
if (!location) {
return;
}
const { line, column } = location;
properties.loc = { column, file: id, line };
}
if (properties.frame === undefined) {
const { line, column } = properties.loc;
properties.frame = getCodeFrame(source, line, column);
}
}
// Error codes should be sorted alphabetically while errors should be sorted by
// error code below
const ADDON_ERROR = 'ADDON_ERROR',
ALREADY_CLOSED = 'ALREADY_CLOSED',
AMBIGUOUS_EXTERNAL_NAMESPACES = 'AMBIGUOUS_EXTERNAL_NAMESPACES',
ANONYMOUS_PLUGIN_CACHE = 'ANONYMOUS_PLUGIN_CACHE',
ASSET_NOT_FINALISED = 'ASSET_NOT_FINALISED',
ASSET_NOT_FOUND = 'ASSET_NOT_FOUND',
ASSET_SOURCE_ALREADY_SET = 'ASSET_SOURCE_ALREADY_SET',
ASSET_SOURCE_MISSING = 'ASSET_SOURCE_MISSING',
BAD_LOADER = 'BAD_LOADER',
CANNOT_CALL_NAMESPACE = 'CANNOT_CALL_NAMESPACE',
CANNOT_EMIT_FROM_OPTIONS_HOOK = 'CANNOT_EMIT_FROM_OPTIONS_HOOK',
CHUNK_NOT_GENERATED = 'CHUNK_NOT_GENERATED',
CHUNK_INVALID = 'CHUNK_INVALID',
CIRCULAR_DEPENDENCY = 'CIRCULAR_DEPENDENCY',
CIRCULAR_REEXPORT = 'CIRCULAR_REEXPORT',
CONST_REASSIGN = 'CONST_REASSIGN',
CYCLIC_CROSS_CHUNK_REEXPORT = 'CYCLIC_CROSS_CHUNK_REEXPORT',
DEPRECATED_FEATURE = 'DEPRECATED_FEATURE',
DUPLICATE_ARGUMENT_NAME = 'DUPLICATE_ARGUMENT_NAME',
DUPLICATE_EXPORT = 'DUPLICATE_EXPORT',
DUPLICATE_IMPORT_OPTIONS = 'DUPLICATE_IMPORT_OPTIONS',
DUPLICATE_PLUGIN_NAME = 'DUPLICATE_PLUGIN_NAME',
EMPTY_BUNDLE = 'EMPTY_BUNDLE',
EVAL = 'EVAL',
EXTERNAL_MODULES_CANNOT_BE_INCLUDED_IN_MANUAL_CHUNKS =
'EXTERNAL_MODULES_CANNOT_BE_INCLUDED_IN_MANUAL_CHUNKS',
EXTERNAL_MODULES_CANNOT_BE_TRANSFORMED_TO_MODULES =
'EXTERNAL_MODULES_CANNOT_BE_TRANSFORMED_TO_MODULES',
EXTERNAL_SYNTHETIC_EXPORTS = 'EXTERNAL_SYNTHETIC_EXPORTS',
FAIL_AFTER_WARNINGS = 'FAIL_AFTER_WARNINGS',
FILE_NAME_CONFLICT = 'FILE_NAME_CONFLICT',
FILE_NOT_FOUND = 'FILE_NOT_FOUND',
FIRST_SIDE_EFFECT = 'FIRST_SIDE_EFFECT',
ILLEGAL_IDENTIFIER_AS_NAME = 'ILLEGAL_IDENTIFIER_AS_NAME',
ILLEGAL_REASSIGNMENT = 'ILLEGAL_REASSIGNMENT',
INCONSISTENT_IMPORT_ATTRIBUTES = 'INCONSISTENT_IMPORT_ATTRIBUTES',
INVALID_ANNOTATION = 'INVALID_ANNOTATION',
INPUT_HOOK_IN_OUTPUT_PLUGIN = 'INPUT_HOOK_IN_OUTPUT_PLUGIN',
INVALID_CHUNK = 'INVALID_CHUNK',
INVALID_CONFIG_MODULE_FORMAT = 'INVALID_CONFIG_MODULE_FORMAT',
INVALID_EXPORT_OPTION = 'INVALID_EXPORT_OPTION',
INVALID_EXTERNAL_ID = 'INVALID_EXTERNAL_ID',
INVALID_IMPORT_ATTRIBUTE = 'INVALID_IMPORT_ATTRIBUTE',
INVALID_LOG_POSITION = 'INVALID_LOG_POSITION',
INVALID_OPTION = 'INVALID_OPTION',
INVALID_PLUGIN_HOOK = 'INVALID_PLUGIN_HOOK',
INVALID_ROLLUP_PHASE = 'INVALID_ROLLUP_PHASE',
INVALID_SETASSETSOURCE = 'INVALID_SETASSETSOURCE',
INVALID_TLA_FORMAT = 'INVALID_TLA_FORMAT',
MISSING_CONFIG = 'MISSING_CONFIG',
MISSING_EXPORT = 'MISSING_EXPORT',
MISSING_EXTERNAL_CONFIG = 'MISSING_EXTERNAL_CONFIG',
MISSING_GLOBAL_NAME = 'MISSING_GLOBAL_NAME',
MISSING_IMPLICIT_DEPENDANT = 'MISSING_IMPLICIT_DEPENDANT',
MISSING_NAME_OPTION_FOR_IIFE_EXPORT = 'MISSING_NAME_OPTION_FOR_IIFE_EXPORT',
MISSING_NODE_BUILTINS = 'MISSING_NODE_BUILTINS',
MISSING_OPTION = 'MISSING_OPTION',
MIXED_EXPORTS = 'MIXED_EXPORTS',
MODULE_LEVEL_DIRECTIVE = 'MODULE_LEVEL_DIRECTIVE',
NAMESPACE_CONFLICT = 'NAMESPACE_CONFLICT',
NO_FS_IN_BROWSER = 'NO_FS_IN_BROWSER',
NO_TRANSFORM_MAP_OR_AST_WITHOUT_CODE = 'NO_TRANSFORM_MAP_OR_AST_WITHOUT_CODE',
ONLY_INLINE_SOURCEMAPS = 'ONLY_INLINE_SOURCEMAPS',
OPTIMIZE_CHUNK_STATUS = 'OPTIMIZE_CHUNK_STATUS',
PARSE_ERROR = 'PARSE_ERROR',
PLUGIN_ERROR = 'PLUGIN_ERROR',
REDECLARATION_ERROR = 'REDECLARATION_ERROR',
SHIMMED_EXPORT = 'SHIMMED_EXPORT',
SOURCEMAP_BROKEN = 'SOURCEMAP_BROKEN',
SOURCEMAP_ERROR = 'SOURCEMAP_ERROR',
SYNTHETIC_NAMED_EXPORTS_NEED_NAMESPACE_EXPORT = 'SYNTHETIC_NAMED_EXPORTS_NEED_NAMESPACE_EXPORT',
THIS_IS_UNDEFINED = 'THIS_IS_UNDEFINED',
UNEXPECTED_NAMED_IMPORT = 'UNEXPECTED_NAMED_IMPORT',
UNKNOWN_OPTION = 'UNKNOWN_OPTION',
UNRESOLVED_ENTRY = 'UNRESOLVED_ENTRY',
UNRESOLVED_IMPORT = 'UNRESOLVED_IMPORT',
UNUSED_EXTERNAL_IMPORT = 'UNUSED_EXTERNAL_IMPORT',
VALIDATION_ERROR = 'VALIDATION_ERROR';
export function logAddonNotGenerated(message: string, hook: string, plugin: string): RollupLog {
return {
code: ADDON_ERROR,
message: `Could not retrieve "${hook}". Check configuration of plugin "${plugin}".
\tError Message: ${message}`
};
}
export function logAlreadyClosed(): RollupLog {
return {
code: ALREADY_CLOSED,
message: 'Bundle is already closed, no more calls to "generate" or "write" are allowed.'
};
}
export function logAmbiguousExternalNamespaces(
binding: string,
reexportingModule: string,
usedModule: string,
sources: string[]
): RollupLog {
return {
binding,
code: AMBIGUOUS_EXTERNAL_NAMESPACES,
ids: sources,
message: `Ambiguous external namespace resolution: "${relativeId(
reexportingModule
)}" re-exports "${binding}" from one of the external modules ${printQuotedStringList(
sources.map(module => relativeId(module))
)}, guessing "${relativeId(usedModule)}".`,
reexporter: reexportingModule
};
}
export function logAnonymousPluginCache(): RollupLog {
return {
code: ANONYMOUS_PLUGIN_CACHE,
message:
'A plugin is trying to use the Rollup cache but is not declaring a plugin name or cacheKey.'
};
}
export function logAssetNotFinalisedForFileName(name: string): RollupLog {
return {
code: ASSET_NOT_FINALISED,
message: `Plugin error - Unable to get file name for asset "${name}". Ensure that the source is set and that generate is called first. If you reference assets via import.meta.ROLLUP_FILE_URL_<referenceId>, you need to either have set their source after "renderStart" or need to provide an explicit "fileName" when emitting them.`
};
}
export function logAssetReferenceIdNotFoundForSetSource(assetReferenceId: string): RollupLog {
return {
code: ASSET_NOT_FOUND,
message: `Plugin error - Unable to set the source for unknown asset "${assetReferenceId}".`
};
}
export function logAssetSourceAlreadySet(name: string): RollupLog {
return {
code: ASSET_SOURCE_ALREADY_SET,
message: `Unable to set the source for asset "${name}", source already set.`
};
}
export function logNoAssetSourceSet(assetName: string): RollupLog {
return {
code: ASSET_SOURCE_MISSING,
message: `Plugin error creating asset "${assetName}" - no asset source set.`
};
}
export function logBadLoader(id: string): RollupLog {
return {
code: BAD_LOADER,
message: `Error loading "${relativeId(
id
)}": plugin load hook should return a string, a { code, map } object, or nothing/null.`
};
}
export function logCannotCallNamespace(name: string): RollupLog {
return {
code: CANNOT_CALL_NAMESPACE,
message: `Cannot call a namespace ("${name}").`
};
}
export function logCannotEmitFromOptionsHook(): RollupLog {
return {
code: CANNOT_EMIT_FROM_OPTIONS_HOOK,
message: `Cannot emit files or set asset sources in the "outputOptions" hook, use the "renderStart" hook instead.`
};
}
export function logChunkNotGeneratedForFileName(name: string): RollupLog {
return {
code: CHUNK_NOT_GENERATED,
message: `Plugin error - Unable to get file name for emitted chunk "${name}". You can only get file names once chunks have been generated after the "renderStart" hook.`
};
}
export function logChunkInvalid(
{ fileName, code }: { code: string; fileName: string },
{ pos, message }: { pos: number; message: string }
): RollupLog {
const errorProperties = {
code: CHUNK_INVALID,
message: `Chunk "${fileName}" is not valid JavaScript: ${message}.`
};
augmentCodeLocation(errorProperties, pos, code, fileName);
return errorProperties;
}
export function logCircularDependency(cyclePath: string[]): RollupLog {
return {
code: CIRCULAR_DEPENDENCY,
ids: cyclePath,
message: `Circular dependency: ${cyclePath.map(relativeId).join(' -> ')}`
};
}
export function logCircularReexport(exportName: string, exporter: string): RollupLog {
return {
code: CIRCULAR_REEXPORT,
exporter,
message: `"${exportName}" cannot be exported from "${relativeId(
exporter
)}" as it is a reexport that references itself.`
};
}
export function logCyclicCrossChunkReexport(
exportName: string,
exporter: string,
reexporter: string,
importer: string,
preserveModules: boolean
): RollupLog {
return {
code: CYCLIC_CROSS_CHUNK_REEXPORT,
exporter,
id: importer,
message: `Export "${exportName}" of module "${relativeId(
exporter
)}" was reexported through module "${relativeId(
reexporter
)}" while both modules are dependencies of each other and will end up in different chunks by current Rollup settings. This scenario is not well supported at the moment as it will produce a circular dependency between chunks and will likely lead to broken execution order.\nEither change the import in "${relativeId(
importer
)}" to point directly to the exporting module or ${
preserveModules ? 'do not use "output.preserveModules"' : 'reconfigure "output.manualChunks"'
} to ensure these modules end up in the same chunk.`,
reexporter
};
}
export function logDeprecation(
deprecation: string,
urlSnippet: string,
plugin?: string
): RollupLog {
return {
code: DEPRECATED_FEATURE,
message: deprecation,
url: getRollupUrl(urlSnippet),
...(plugin ? { plugin } : {})
};
}
export function logConstVariableReassignError() {
return {
code: CONST_REASSIGN,
message: 'Cannot reassign a variable declared with `const`'
};
}
export function logDuplicateArgumentNameError(name: string): RollupLog {
return { code: DUPLICATE_ARGUMENT_NAME, message: `Duplicate argument name "${name}"` };
}
export function logDuplicateExportError(name: string): RollupLog {
return { code: DUPLICATE_EXPORT, message: `Duplicate export "${name}"` };
}
export function logDuplicateImportOptions(): RollupLog {
return {
code: DUPLICATE_IMPORT_OPTIONS,
message: 'Either use --input, or pass input path as argument'
};
}
export function logDuplicatePluginName(plugin: string): RollupLog {
return {
code: DUPLICATE_PLUGIN_NAME,
message: `The plugin name ${plugin} is being used twice in the same build. Plugin names must be distinct or provide a cacheKey (please post an issue to the plugin if you are a plugin user).`
};
}
export function logEmptyChunk(chunkName: string): RollupLog {
return {
code: EMPTY_BUNDLE,
message: `Generated an empty chunk: "${chunkName}".`,
names: [chunkName]
};
}
export function logEval(id: string): RollupLog {
return {
code: EVAL,
id,
message: `Use of eval in "${relativeId(
id
)}" is strongly discouraged as it poses security risks and may cause issues with minification.`,
url: getRollupUrl(URL_AVOIDING_EVAL)
};
}
export function logExternalSyntheticExports(id: string, importer: string): RollupLog {
return {
code: EXTERNAL_SYNTHETIC_EXPORTS,
exporter: id,
message: `External "${id}" cannot have "syntheticNamedExports" enabled (imported by "${relativeId(
importer
)}").`
};
}
export function logFailAfterWarnings(): RollupLog {
return {
code: FAIL_AFTER_WARNINGS,
message: 'Warnings occurred and --failAfterWarnings flag present.'
};
}
export function logFileNameConflict(fileName: string): RollupLog {
return {
code: FILE_NAME_CONFLICT,
message: `The emitted file "${fileName}" overwrites a previously emitted file of the same name.`
};
}
export function logFileReferenceIdNotFoundForFilename(assetReferenceId: string): RollupLog {
return {
code: FILE_NOT_FOUND,
message: `Plugin error - Unable to get file name for unknown file "${assetReferenceId}".`
};
}
export function logFirstSideEffect(
source: string,
id: string,
{ line, column }: { column: number; line: number }
): RollupLog {
return {
code: FIRST_SIDE_EFFECT,
message: `First side effect in ${relativeId(id)} is at (${line}:${column})\n${getCodeFrame(
source,
line,
column
)}`
};
}
export function logIllegalIdentifierAsName(name: string): RollupLog {
return {
code: ILLEGAL_IDENTIFIER_AS_NAME,
message: `Given name "${name}" is not a legal JS identifier. If you need this, you can try "output.extend: true".`,
url: getRollupUrl(URL_OUTPUT_EXTEND)
};
}
export function logIllegalImportReassignment(name: string, importingId: string): RollupLog {
return {
code: ILLEGAL_REASSIGNMENT,
message: `Illegal reassignment of import "${name}" in "${relativeId(importingId)}".`
};
}
export function logInconsistentImportAttributes(
existingAttributes: Record<string, string>,
newAttributes: Record<string, string>,
source: string,
importer: string
): RollupLog {
return {
code: INCONSISTENT_IMPORT_ATTRIBUTES,
message: `Module "${relativeId(importer)}" tried to import "${relativeId(
source
)}" with ${formatAttributes(
newAttributes
)} attributes, but it was already imported elsewhere with ${formatAttributes(
existingAttributes
)} attributes. Please ensure that import attributes for the same module are always consistent.`
};
}
const formatAttributes = (attributes: Record<string, string>): string => {
const entries = Object.entries(attributes);
if (entries.length === 0) return 'no';
return entries.map(([key, value]) => `"${key}": "${value}"`).join(', ');
};
export function logInvalidAnnotation(comment: string, id: string, type: AnnotationType): RollupLog {
return {
code: INVALID_ANNOTATION,
id,
message: `A comment\n\n"${comment}"\n\nin "${relativeId(
id
)}" contains an annotation that Rollup cannot interpret due to the position of the comment. The comment will be removed to avoid issues.`,
url: getRollupUrl(type === 'noSideEffects' ? URL_TREESHAKE_NOSIDEEFFECTS : URL_TREESHAKE_PURE)
};
}
export function logInputHookInOutputPlugin(pluginName: string, hookName: string): RollupLog {
return {
code: INPUT_HOOK_IN_OUTPUT_PLUGIN,
message: `The "${hookName}" hook used by the output plugin ${pluginName} is a build time hook and will not be run for that plugin. Either this plugin cannot be used as an output plugin, or it should have an option to configure it as an output plugin.`
};
}
export function logCannotAssignModuleToChunk(
moduleId: string,
assignToAlias: string,
currentAlias: string
): RollupLog {
return {
code: INVALID_CHUNK,
message: `Cannot assign "${relativeId(
moduleId
)}" to the "${assignToAlias}" chunk as it is already in the "${currentAlias}" chunk.`
};
}
export function logCannotBundleConfigAsEsm(originalError: Error): RollupLog {
return {
cause: originalError,
code: INVALID_CONFIG_MODULE_FORMAT,
message: `Rollup transpiled your configuration to an ES module even though it appears to contain CommonJS elements. To resolve this, you can pass the "--bundleConfigAsCjs" flag to Rollup or change your configuration to only contain valid ESM code.\n\nOriginal error: ${originalError.message}`,
stack: originalError.stack,
url: getRollupUrl(URL_BUNDLE_CONFIG_AS_CJS)
};
}
export function logCannotLoadConfigAsCjs(originalError: Error): RollupLog {
return {
cause: originalError,
code: INVALID_CONFIG_MODULE_FORMAT,
message: `Node tried to load your configuration file as CommonJS even though it is likely an ES module. To resolve this, change the extension of your configuration to ".mjs", set "type": "module" in your package.json file or pass the "--bundleConfigAsCjs" flag.\n\nOriginal error: ${originalError.message}`,
stack: originalError.stack,
url: getRollupUrl(URL_BUNDLE_CONFIG_AS_CJS)
};
}
export function logCannotLoadConfigAsEsm(originalError: Error): RollupLog {
return {
cause: originalError,
code: INVALID_CONFIG_MODULE_FORMAT,
message: `Node tried to load your configuration as an ES module even though it is likely CommonJS. To resolve this, change the extension of your configuration to ".cjs" or pass the "--bundleConfigAsCjs" flag.\n\nOriginal error: ${originalError.message}`,
stack: originalError.stack,
url: getRollupUrl(URL_BUNDLE_CONFIG_AS_CJS)
};
}
export function logInvalidExportOptionValue(optionValue: string): RollupLog {
return {
code: INVALID_EXPORT_OPTION,
message: `"output.exports" must be "default", "named", "none", "auto", or left unspecified (defaults to "auto"), received "${optionValue}".`,
url: getRollupUrl(URL_OUTPUT_EXPORTS)
};
}
export function logIncompatibleExportOptionValue(
optionValue: string,
keys: readonly string[],
entryModule: string
): RollupLog {
return {
code: INVALID_EXPORT_OPTION,
message: `"${optionValue}" was specified for "output.exports", but entry module "${relativeId(
entryModule
)}" has the following exports: ${printQuotedStringList(keys)}`,
url: getRollupUrl(URL_OUTPUT_EXPORTS)
};
}
export function logInternalIdCannotBeExternal(source: string, importer: string): RollupLog {
return {
code: INVALID_EXTERNAL_ID,
message: `"${source}" is imported as an external by "${relativeId(
importer
)}", but is already an existing non-external module id.`
};
}
export function logImportOptionsAreInvalid(importer: string): RollupLog {
return {
code: INVALID_IMPORT_ATTRIBUTE,
message: `Rollup could not statically analyze the options argument of a dynamic import in "${relativeId(
importer
)}". Dynamic import options need to be an object with a nested attributes object.`
};
}
export function logImportAttributeIsInvalid(importer: string): RollupLog {
return {
code: INVALID_IMPORT_ATTRIBUTE,
message: `Rollup could not statically analyze an import attribute of a dynamic import in "${relativeId(
importer
)}". Import attributes need to have string keys and values. The attribute will be removed.`
};
}
export function logInvalidLogPosition(plugin: string): RollupLog {
return {
code: INVALID_LOG_POSITION,
message: `Plugin "${plugin}" tried to add a file position to a log or warning. This is only supported in the "transform" hook at the moment and will be ignored.`
};
}
export function logInvalidOption(
option: string,
urlSnippet: string,
explanation: string,
value?: string | boolean | null
): RollupLog {
return {
code: INVALID_OPTION,
message: `Invalid value ${
value === undefined ? '' : `${JSON.stringify(value)} `
}for option "${option}" - ${explanation}.`,
url: getRollupUrl(urlSnippet)
};
}
export function logInvalidAddonPluginHook(hook: string, plugin: string): RollupLog {
return {
code: INVALID_PLUGIN_HOOK,
hook,
message: `Error running plugin hook "${hook}" for plugin "${plugin}", expected a string, a function hook or an object with a "handler" string or function.`,
plugin
};
}
export function logInvalidFunctionPluginHook(hook: string, plugin: string): RollupLog {
return {
code: INVALID_PLUGIN_HOOK,
hook,
message: `Error running plugin hook "${hook}" for plugin "${plugin}", expected a function hook or an object with a "handler" function.`,
plugin
};
}
export function logInvalidRollupPhaseForChunkEmission(): RollupLog {
return {
code: INVALID_ROLLUP_PHASE,
message: `Cannot emit chunks after module loading has finished.`
};
}
export function logInvalidSetAssetSourceCall(): RollupLog {
return {
code: INVALID_SETASSETSOURCE,
message: `setAssetSource cannot be called in transform for caching reasons. Use emitFile with a source, or call setAssetSource in another hook.`
};
}
export function logInvalidFormatForTopLevelAwait(
id: string,
format: InternalModuleFormat
): RollupLog {
return {
code: INVALID_TLA_FORMAT,
id,
message: `Module format "${format}" does not support top-level await. Use the "es" or "system" output formats rather.`
};
}
export function logMissingConfig(): RollupLog {
return {
code: MISSING_CONFIG,
message: 'Config file must export an options object, or an array of options objects',
url: getRollupUrl(URL_CONFIGURATION_FILES)
};
}
export function logMissingEntryExport(binding: string, exporter: string): RollupLog {
return {
binding,
code: MISSING_EXPORT,
exporter,
message: `Exported variable "${binding}" is not defined in "${relativeId(exporter)}".`,
url: getRollupUrl(URL_NAME_IS_NOT_EXPORTED)
};
}
export function logMissingExport(
binding: string,
importingModule: string,
exporter: string
): RollupLog {
const isJson = extname(exporter) === '.json';
return {
binding,
code: MISSING_EXPORT,
exporter,
id: importingModule,
message: `"${binding}" is not exported by "${relativeId(exporter)}", imported by "${relativeId(
importingModule
)}".${isJson ? ' (Note that you need @rollup/plugin-json to import JSON files)' : ''}`,
url: getRollupUrl(URL_NAME_IS_NOT_EXPORTED)
};
}
export function logMissingExternalConfig(file: string): RollupLog {
return {
code: MISSING_EXTERNAL_CONFIG,
message: `Could not resolve config file "${file}"`
};
}
export function logMissingGlobalName(externalId: string, guess: string): RollupLog {
return {
code: MISSING_GLOBAL_NAME,
id: externalId,
message: `No name was provided for external module "${externalId}" in "output.globals" – guessing "${guess}".`,
names: [guess],
url: getRollupUrl(URL_OUTPUT_GLOBALS)
};
}
export function logImplicitDependantCannotBeExternal(
unresolvedId: string,
implicitlyLoadedBefore: string
): RollupLog {
return {
code: MISSING_IMPLICIT_DEPENDANT,
message: `Module "${relativeId(
unresolvedId
)}" that should be implicitly loaded before "${relativeId(
implicitlyLoadedBefore
)}" cannot be external.`
};
}
export function logUnresolvedImplicitDependant(
unresolvedId: string,
implicitlyLoadedBefore: string
): RollupLog {
return {
code: MISSING_IMPLICIT_DEPENDANT,
message: `Module "${relativeId(
unresolvedId
)}" that should be implicitly loaded before "${relativeId(
implicitlyLoadedBefore
)}" could not be resolved.`
};
}
export function logImplicitDependantIsNotIncluded(module: Module): RollupLog {
const implicitDependencies = [...module.implicitlyLoadedBefore]
.map(dependency => relativeId(dependency.id))
.sort();
return {
code: MISSING_IMPLICIT_DEPENDANT,
message: `Module "${relativeId(
module.id
)}" that should be implicitly loaded before ${printQuotedStringList(
implicitDependencies
)} is not included in the module graph. Either it was not imported by an included module or only via a tree-shaken dynamic import, or no imported bindings were used and it had otherwise no side-effects.`
};
}
export function logMissingNameOptionForIifeExport(): RollupLog {
return {
code: MISSING_NAME_OPTION_FOR_IIFE_EXPORT,
message: `If you do not supply "output.name", you may not be able to access the exports of an IIFE bundle.`,
url: getRollupUrl(URL_OUTPUT_NAME)
};
}
export function logMissingNameOptionForUmdExport(): RollupLog {
return {
code: MISSING_NAME_OPTION_FOR_IIFE_EXPORT,
message:
'You must supply "output.name" for UMD bundles that have exports so that the exports are accessible in environments without a module loader.',
url: getRollupUrl(URL_OUTPUT_NAME)
};
}
export function logMissingNodeBuiltins(externalBuiltins: string[]): RollupLog {
return {
code: MISSING_NODE_BUILTINS,
ids: externalBuiltins,
message: `Creating a browser bundle that depends on Node.js built-in modules (${printQuotedStringList(
externalBuiltins
)}). You might need to include https://github.com/FredKSchott/rollup-plugin-polyfill-node`
};
}
// eslint-disable-next-line unicorn/prevent-abbreviations
export function logMissingFileOrDirOption(): RollupLog {
return {
code: MISSING_OPTION,
message: 'You must specify "output.file" or "output.dir" for the build.',
url: getRollupUrl(URL_OUTPUT_DIR)
};
}
export function logMixedExport(facadeModuleId: string, name?: string): RollupLog {
return {
code: MIXED_EXPORTS,
id: facadeModuleId,
message: `Entry module "${relativeId(
facadeModuleId
)}" is using named and default exports together. Consumers of your bundle will have to use \`${
name || 'chunk'
}.default\` to access the default export, which may not be what you want. Use \`output.exports: "named"\` to disable this warning.`,
url: getRollupUrl(URL_OUTPUT_EXPORTS)
};
}
export function logModuleLevelDirective(directive: string, id: string): RollupLog {
return {
code: MODULE_LEVEL_DIRECTIVE,
id,
message: `Module level directives cause errors when bundled, "${directive}" in "${relativeId(
id
)}" was ignored.`
};
}
export function logNamespaceConflict(
binding: string,
reexportingModuleId: string,
sources: string[]
): RollupLog {
return {
binding,
code: NAMESPACE_CONFLICT,
ids: sources,
message: `Conflicting namespaces: "${relativeId(
reexportingModuleId
)}" re-exports "${binding}" from one of the modules ${printQuotedStringList(
sources.map(moduleId => relativeId(moduleId))
)} (will be ignored).`,
reexporter: reexportingModuleId
};
}
export function logNoFileSystemInBrowser(method: string): RollupLog {
return {
code: NO_FS_IN_BROWSER,
message: `Cannot access the file system (via "${method}") when using the browser build of Rollup. Make sure you supply a plugin with custom resolveId and load hooks to Rollup.`,
url: getRollupUrl(URL_A_SIMPLE_EXAMPLE)
};
}
export function logNoTransformMapOrAstWithoutCode(pluginName: string): RollupLog {
return {
code: NO_TRANSFORM_MAP_OR_AST_WITHOUT_CODE,
message:
`The plugin "${pluginName}" returned a "map" or "ast" without returning ` +
'a "code". This will be ignored.'
};
}
export function logOnlyInlineSourcemapsForStdout(): RollupLog {
return {
code: ONLY_INLINE_SOURCEMAPS,
message: 'Only inline sourcemaps are supported when bundling to stdout.'
};
}
export function logOptimizeChunkStatus(
chunks: number,
smallChunks: number,
pointInTime: string
): RollupLog {
return {
code: OPTIMIZE_CHUNK_STATUS,
message:
`${pointInTime}, there are\n` +
`${chunks} chunks, of which\n` +
`${smallChunks} are below minChunkSize.`
};
}
export function logParseError(message: string, pos?: number): RollupLog {
return { code: PARSE_ERROR, message, pos };
}
export function logRedeclarationError(name: string): RollupLog {
return { code: REDECLARATION_ERROR, message: `Identifier "${name}" has already been declared` };
}
export function logModuleParseError(error: Error, moduleId: string): RollupLog {
let message = error.message.replace(/ \(\d+:\d+\)$/, '');
if (moduleId.endsWith('.json')) {
message += ' (Note that you need @rollup/plugin-json to import JSON files)';
} else if (!moduleId.endsWith('.js')) {
message += ' (Note that you need plugins to import files that are not JavaScript)';
}
return {
cause: error,
code: PARSE_ERROR,
id: moduleId,
message,
stack: error.stack
};
}
export function logPluginError(
error: Omit<RollupLog, 'code'> & { code?: unknown },
plugin: string,
{ hook, id }: { hook?: string; id?: string } = {}
) {
const code = error.code;
if (
!error.pluginCode &&
code != null &&
(typeof code !== 'string' || !code.startsWith('PLUGIN_'))
) {
error.pluginCode = code;
}
error.code = PLUGIN_ERROR;
error.plugin = plugin;
if (hook) {
error.hook = hook;
}
if (id) {
error.id = id;
}
return error as RollupLog;
}
export function logShimmedExport(id: string, binding: string): RollupLog {
return {
binding,
code: SHIMMED_EXPORT,
exporter: id,
message: `Missing export "${binding}" has been shimmed in module "${relativeId(id)}".`
};
}
export function logSourcemapBroken(plugin: string): RollupLog {
return {
code: SOURCEMAP_BROKEN,
message: `Sourcemap is likely to be incorrect: a plugin (${plugin}) was used to transform files, but didn't generate a sourcemap for the transformation. Consult the plugin documentation for help`,
plugin,
url: getRollupUrl(URL_SOURCEMAP_IS_LIKELY_TO_BE_INCORRECT)
};
}
export function logConflictingSourcemapSources(filename: string): RollupLog {
return {
code: SOURCEMAP_BROKEN,
message: `Multiple conflicting contents for sourcemap source ${filename}`
};
}
export function logInvalidSourcemapForError(
error: Error,
id: string,
column: number,
line: number,
pos: number
): RollupLog {
return {
cause: error,
code: SOURCEMAP_ERROR,
id,
loc: {
column,
file: id,
line
},
message: `Error when using sourcemap for reporting an error: ${error.message}`,
pos
};
}
export function logSyntheticNamedExportsNeedNamespaceExport(
id: string,
syntheticNamedExportsOption: boolean | string
): RollupLog {
return {
code: SYNTHETIC_NAMED_EXPORTS_NEED_NAMESPACE_EXPORT,
exporter: id,
message: `Module "${relativeId(
id
)}" that is marked with \`syntheticNamedExports: ${JSON.stringify(
syntheticNamedExportsOption
)}\` needs ${
typeof syntheticNamedExportsOption === 'string' && syntheticNamedExportsOption !== 'default'
? `an explicit export named "${syntheticNamedExportsOption}"`
: 'a default export'
} that does not reexport an unresolved named export of the same module.`
};
}
export function logThisIsUndefined(): RollupLog {
return {
code: THIS_IS_UNDEFINED,
message: `The 'this' keyword is equivalent to 'undefined' at the top level of an ES module, and has been rewritten`,
url: getRollupUrl(URL_THIS_IS_UNDEFINED)
};
}
export function logUnexpectedNamedImport(
id: string,
imported: string,
isReexport: boolean
): RollupLog {
const importType = isReexport ? 'reexport' : 'import';
return {
code: UNEXPECTED_NAMED_IMPORT,
exporter: id,
message: `The named export "${imported}" was ${importType}ed from the external module "${relativeId(
id
)}" even though its interop type is "defaultOnly". Either remove or change this ${importType} or change the value of the "output.interop" option.`,
url: getRollupUrl(URL_OUTPUT_INTEROP)
};
}
export function logUnexpectedNamespaceReexport(id: string): RollupLog {
return {
code: UNEXPECTED_NAMED_IMPORT,
exporter: id,
message: `There was a namespace "*" reexport from the external module "${relativeId(
id
)}" even though its interop type is "defaultOnly". This will be ignored as namespace reexports only reexport named exports. If this is not intended, either remove or change this reexport or change the value of the "output.interop" option.`,
url: getRollupUrl(URL_OUTPUT_INTEROP)
};
}
export function logUnknownOption(
optionType: string,
unknownOptions: string[],
validOptions: string[]
): RollupLog {
return {
code: UNKNOWN_OPTION,
message: `Unknown ${optionType}: ${unknownOptions.join(
', '
)}. Allowed options: ${validOptions.join(', ')}`
};
}
export function logEntryCannotBeExternal(unresolvedId: string): RollupLog {
return {
code: UNRESOLVED_ENTRY,
message: `Entry module "${relativeId(unresolvedId)}" cannot be external.`