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; | |
Object.defineProperty(exports, "__esModule", { | |
value: true | |
}); | |
Object.defineProperty(exports, "buildDynamicImport", { | |
enumerable: true, | |
get: function () { | |
return _dynamicImport.buildDynamicImport; | |
} | |
}); | |
exports.buildNamespaceInitStatements = buildNamespaceInitStatements; | |
exports.ensureStatementsHoisted = ensureStatementsHoisted; | |
Object.defineProperty(exports, "getModuleName", { | |
enumerable: true, | |
get: function () { | |
return _getModuleName.default; | |
} | |
}); | |
Object.defineProperty(exports, "hasExports", { | |
enumerable: true, | |
get: function () { | |
return _normalizeAndLoadMetadata.hasExports; | |
} | |
}); | |
Object.defineProperty(exports, "isModule", { | |
enumerable: true, | |
get: function () { | |
return _helperModuleImports.isModule; | |
} | |
}); | |
Object.defineProperty(exports, "isSideEffectImport", { | |
enumerable: true, | |
get: function () { | |
return _normalizeAndLoadMetadata.isSideEffectImport; | |
} | |
}); | |
exports.rewriteModuleStatementsAndPrepareHeader = rewriteModuleStatementsAndPrepareHeader; | |
Object.defineProperty(exports, "rewriteThis", { | |
enumerable: true, | |
get: function () { | |
return _rewriteThis.default; | |
} | |
}); | |
exports.wrapInterop = wrapInterop; | |
var _assert = require("assert"); | |
var _core = require("@babel/core"); | |
var _helperModuleImports = require("@babel/helper-module-imports"); | |
var _rewriteThis = require("./rewrite-this.js"); | |
var _rewriteLiveReferences = require("./rewrite-live-references.js"); | |
var _normalizeAndLoadMetadata = require("./normalize-and-load-metadata.js"); | |
var Lazy = require("./lazy-modules.js"); | |
var _dynamicImport = require("./dynamic-import.js"); | |
var _getModuleName = require("./get-module-name.js"); | |
const { | |
booleanLiteral, | |
callExpression, | |
cloneNode, | |
directive, | |
directiveLiteral, | |
expressionStatement, | |
identifier, | |
isIdentifier, | |
memberExpression, | |
stringLiteral, | |
valueToNode, | |
variableDeclaration, | |
variableDeclarator | |
} = _core.types; | |
{ | |
exports.getDynamicImportSource = require("./dynamic-import").getDynamicImportSource; | |
} | |
function rewriteModuleStatementsAndPrepareHeader(path, { | |
exportName, | |
strict, | |
allowTopLevelThis, | |
strictMode, | |
noInterop, | |
importInterop = noInterop ? "none" : "babel", | |
lazy, | |
getWrapperPayload = Lazy.toGetWrapperPayload(lazy != null ? lazy : false), | |
wrapReference = Lazy.wrapReference, | |
esNamespaceOnly, | |
filename, | |
constantReexports = arguments[1].loose, | |
enumerableModuleMeta = arguments[1].loose, | |
noIncompleteNsImportDetection | |
}) { | |
(0, _normalizeAndLoadMetadata.validateImportInteropOption)(importInterop); | |
_assert((0, _helperModuleImports.isModule)(path), "Cannot process module statements in a script"); | |
path.node.sourceType = "script"; | |
const meta = (0, _normalizeAndLoadMetadata.default)(path, exportName, { | |
importInterop, | |
initializeReexports: constantReexports, | |
getWrapperPayload, | |
esNamespaceOnly, | |
filename | |
}); | |
if (!allowTopLevelThis) { | |
(0, _rewriteThis.default)(path); | |
} | |
(0, _rewriteLiveReferences.default)(path, meta, wrapReference); | |
if (strictMode !== false) { | |
const hasStrict = path.node.directives.some(directive => { | |
return directive.value.value === "use strict"; | |
}); | |
if (!hasStrict) { | |
path.unshiftContainer("directives", directive(directiveLiteral("use strict"))); | |
} | |
} | |
const headers = []; | |
if ((0, _normalizeAndLoadMetadata.hasExports)(meta) && !strict) { | |
headers.push(buildESModuleHeader(meta, enumerableModuleMeta)); | |
} | |
const nameList = buildExportNameListDeclaration(path, meta); | |
if (nameList) { | |
meta.exportNameListName = nameList.name; | |
headers.push(nameList.statement); | |
} | |
headers.push(...buildExportInitializationStatements(path, meta, wrapReference, constantReexports, noIncompleteNsImportDetection)); | |
return { | |
meta, | |
headers | |
}; | |
} | |
function ensureStatementsHoisted(statements) { | |
statements.forEach(header => { | |
header._blockHoist = 3; | |
}); | |
} | |
function wrapInterop(programPath, expr, type) { | |
if (type === "none") { | |
return null; | |
} | |
if (type === "node-namespace") { | |
return callExpression(programPath.hub.addHelper("interopRequireWildcard"), [expr, booleanLiteral(true)]); | |
} else if (type === "node-default") { | |
return null; | |
} | |
let helper; | |
if (type === "default") { | |
helper = "interopRequireDefault"; | |
} else if (type === "namespace") { | |
helper = "interopRequireWildcard"; | |
} else { | |
throw new Error(`Unknown interop: ${type}`); | |
} | |
return callExpression(programPath.hub.addHelper(helper), [expr]); | |
} | |
function buildNamespaceInitStatements(metadata, sourceMetadata, constantReexports = false, wrapReference = Lazy.wrapReference) { | |
var _wrapReference; | |
const statements = []; | |
const srcNamespaceId = identifier(sourceMetadata.name); | |
for (const localName of sourceMetadata.importsNamespace) { | |
if (localName === sourceMetadata.name) continue; | |
statements.push(_core.template.statement`var NAME = SOURCE;`({ | |
NAME: localName, | |
SOURCE: cloneNode(srcNamespaceId) | |
})); | |
} | |
const srcNamespace = (_wrapReference = wrapReference(srcNamespaceId, sourceMetadata.wrap)) != null ? _wrapReference : srcNamespaceId; | |
if (constantReexports) { | |
statements.push(...buildReexportsFromMeta(metadata, sourceMetadata, true, wrapReference)); | |
} | |
for (const exportName of sourceMetadata.reexportNamespace) { | |
statements.push((!_core.types.isIdentifier(srcNamespace) ? _core.template.statement` | |
Object.defineProperty(EXPORTS, "NAME", { | |
enumerable: true, | |
get: function() { | |
return NAMESPACE; | |
} | |
}); | |
` : _core.template.statement`EXPORTS.NAME = NAMESPACE;`)({ | |
EXPORTS: metadata.exportName, | |
NAME: exportName, | |
NAMESPACE: cloneNode(srcNamespace) | |
})); | |
} | |
if (sourceMetadata.reexportAll) { | |
const statement = buildNamespaceReexport(metadata, cloneNode(srcNamespace), constantReexports); | |
statement.loc = sourceMetadata.reexportAll.loc; | |
statements.push(statement); | |
} | |
return statements; | |
} | |
const ReexportTemplate = { | |
constant: _core.template.statement`EXPORTS.EXPORT_NAME = NAMESPACE_IMPORT;`, | |
constantComputed: _core.template.statement`EXPORTS["EXPORT_NAME"] = NAMESPACE_IMPORT;`, | |
spec: _core.template.statement` | |
Object.defineProperty(EXPORTS, "EXPORT_NAME", { | |
enumerable: true, | |
get: function() { | |
return NAMESPACE_IMPORT; | |
}, | |
}); | |
` | |
}; | |
function buildReexportsFromMeta(meta, metadata, constantReexports, wrapReference) { | |
var _wrapReference2; | |
let namespace = identifier(metadata.name); | |
namespace = (_wrapReference2 = wrapReference(namespace, metadata.wrap)) != null ? _wrapReference2 : namespace; | |
const { | |
stringSpecifiers | |
} = meta; | |
return Array.from(metadata.reexports, ([exportName, importName]) => { | |
let NAMESPACE_IMPORT = cloneNode(namespace); | |
if (importName === "default" && metadata.interop === "node-default") {} else if (stringSpecifiers.has(importName)) { | |
NAMESPACE_IMPORT = memberExpression(NAMESPACE_IMPORT, stringLiteral(importName), true); | |
} else { | |
NAMESPACE_IMPORT = memberExpression(NAMESPACE_IMPORT, identifier(importName)); | |
} | |
const astNodes = { | |
EXPORTS: meta.exportName, | |
EXPORT_NAME: exportName, | |
NAMESPACE_IMPORT | |
}; | |
if (constantReexports || isIdentifier(NAMESPACE_IMPORT)) { | |
if (stringSpecifiers.has(exportName)) { | |
return ReexportTemplate.constantComputed(astNodes); | |
} else { | |
return ReexportTemplate.constant(astNodes); | |
} | |
} else { | |
return ReexportTemplate.spec(astNodes); | |
} | |
}); | |
} | |
function buildESModuleHeader(metadata, enumerableModuleMeta = false) { | |
return (enumerableModuleMeta ? _core.template.statement` | |
EXPORTS.__esModule = true; | |
` : _core.template.statement` | |
Object.defineProperty(EXPORTS, "__esModule", { | |
value: true, | |
}); | |
`)({ | |
EXPORTS: metadata.exportName | |
}); | |
} | |
function buildNamespaceReexport(metadata, namespace, constantReexports) { | |
return (constantReexports ? _core.template.statement` | |
Object.keys(NAMESPACE).forEach(function(key) { | |
if (key === "default" || key === "__esModule") return; | |
VERIFY_NAME_LIST; | |
if (key in EXPORTS && EXPORTS[key] === NAMESPACE[key]) return; | |
EXPORTS[key] = NAMESPACE[key]; | |
}); | |
` : _core.template.statement` | |
Object.keys(NAMESPACE).forEach(function(key) { | |
if (key === "default" || key === "__esModule") return; | |
VERIFY_NAME_LIST; | |
if (key in EXPORTS && EXPORTS[key] === NAMESPACE[key]) return; | |
Object.defineProperty(EXPORTS, key, { | |
enumerable: true, | |
get: function() { | |
return NAMESPACE[key]; | |
}, | |
}); | |
}); | |
`)({ | |
NAMESPACE: namespace, | |
EXPORTS: metadata.exportName, | |
VERIFY_NAME_LIST: metadata.exportNameListName ? (0, _core.template)` | |
if (Object.prototype.hasOwnProperty.call(EXPORTS_LIST, key)) return; | |
`({ | |
EXPORTS_LIST: metadata.exportNameListName | |
}) : null | |
}); | |
} | |
function buildExportNameListDeclaration(programPath, metadata) { | |
const exportedVars = Object.create(null); | |
for (const data of metadata.local.values()) { | |
for (const name of data.names) { | |
exportedVars[name] = true; | |
} | |
} | |
let hasReexport = false; | |
for (const data of metadata.source.values()) { | |
for (const exportName of data.reexports.keys()) { | |
exportedVars[exportName] = true; | |
} | |
for (const exportName of data.reexportNamespace) { | |
exportedVars[exportName] = true; | |
} | |
hasReexport = hasReexport || !!data.reexportAll; | |
} | |
if (!hasReexport || Object.keys(exportedVars).length === 0) return null; | |
const name = programPath.scope.generateUidIdentifier("exportNames"); | |
delete exportedVars.default; | |
return { | |
name: name.name, | |
statement: variableDeclaration("var", [variableDeclarator(name, valueToNode(exportedVars))]) | |
}; | |
} | |
function buildExportInitializationStatements(programPath, metadata, wrapReference, constantReexports = false, noIncompleteNsImportDetection = false) { | |
const initStatements = []; | |
for (const [localName, data] of metadata.local) { | |
if (data.kind === "import") {} else if (data.kind === "hoisted") { | |
initStatements.push([data.names[0], buildInitStatement(metadata, data.names, identifier(localName))]); | |
} else if (!noIncompleteNsImportDetection) { | |
for (const exportName of data.names) { | |
initStatements.push([exportName, null]); | |
} | |
} | |
} | |
for (const data of metadata.source.values()) { | |
if (!constantReexports) { | |
const reexportsStatements = buildReexportsFromMeta(metadata, data, false, wrapReference); | |
const reexports = [...data.reexports.keys()]; | |
for (let i = 0; i < reexportsStatements.length; i++) { | |
initStatements.push([reexports[i], reexportsStatements[i]]); | |
} | |
} | |
if (!noIncompleteNsImportDetection) { | |
for (const exportName of data.reexportNamespace) { | |
initStatements.push([exportName, null]); | |
} | |
} | |
} | |
initStatements.sort(([a], [b]) => { | |
if (a < b) return -1; | |
if (b < a) return 1; | |
return 0; | |
}); | |
const results = []; | |
if (noIncompleteNsImportDetection) { | |
for (const [, initStatement] of initStatements) { | |
results.push(initStatement); | |
} | |
} else { | |
const chunkSize = 100; | |
for (let i = 0; i < initStatements.length; i += chunkSize) { | |
let uninitializedExportNames = []; | |
for (let j = 0; j < chunkSize && i + j < initStatements.length; j++) { | |
const [exportName, initStatement] = initStatements[i + j]; | |
if (initStatement !== null) { | |
if (uninitializedExportNames.length > 0) { | |
results.push(buildInitStatement(metadata, uninitializedExportNames, programPath.scope.buildUndefinedNode())); | |
uninitializedExportNames = []; | |
} | |
results.push(initStatement); | |
} else { | |
uninitializedExportNames.push(exportName); | |
} | |
} | |
if (uninitializedExportNames.length > 0) { | |
results.push(buildInitStatement(metadata, uninitializedExportNames, programPath.scope.buildUndefinedNode())); | |
} | |
} | |
} | |
return results; | |
} | |
const InitTemplate = { | |
computed: _core.template.expression`EXPORTS["NAME"] = VALUE`, | |
default: _core.template.expression`EXPORTS.NAME = VALUE`, | |
define: _core.template.expression`Object.defineProperty(EXPORTS, "NAME", { enumerable:true, value: void 0, writable: true })["NAME"] = VALUE` | |
}; | |
function buildInitStatement(metadata, exportNames, initExpr) { | |
const { | |
stringSpecifiers, | |
exportName: EXPORTS | |
} = metadata; | |
return expressionStatement(exportNames.reduce((acc, exportName) => { | |
const params = { | |
EXPORTS, | |
NAME: exportName, | |
VALUE: acc | |
}; | |
if (exportName === "__proto__") { | |
return InitTemplate.define(params); | |
} | |
if (stringSpecifiers.has(exportName)) { | |
return InitTemplate.computed(params); | |
} | |
return InitTemplate.default(params); | |
}, initExpr)); | |
} | |
//# sourceMappingURL=index.js.map | |