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{"version":3,"file":"index.node.mjs","sources":["../src/utils.js","../src/imports-cache.js","../src/debug-utils.js","../src/normalize-options.js","../src/visitors/usage.js","../src/visitors/entry.js","../src/node/dependencies.js","../src/meta-resolver.js","../src/index.js"],"sourcesContent":["// @flow\n\nimport * as babel from \"@babel/core\";\nconst { types: t, template } = babel.default || babel;\nimport type NodePath from \"@babel/traverse\";\nimport type { Utils } from \"./types\";\nimport type ImportsCache from \"./imports-cache\";\n\nexport function intersection<T>(a: Set<T>, b: Set<T>): Set<T> {\n const result = new Set();\n a.forEach(v => b.has(v) && result.add(v));\n return result;\n}\n\nexport function has(object: Object, key: string) {\n return Object.prototype.hasOwnProperty.call(object, key);\n}\n\nfunction getType(target: any): string {\n return Object.prototype.toString.call(target).slice(8, -1);\n}\n\nfunction resolveId(path) {\n if (\n path.isIdentifier() &&\n !path.scope.hasBinding(path.node.name, /* noGlobals */ true)\n ) {\n return path.node.name;\n }\n\n const { deopt } = path.evaluate();\n if (deopt && deopt.isIdentifier()) {\n return deopt.node.name;\n }\n}\n\nexport function resolveKey(path: NodePath, computed: boolean = false) {\n const { node, parent, scope } = path;\n if (path.isStringLiteral()) return node.value;\n const { name } = node;\n const isIdentifier = path.isIdentifier();\n if (isIdentifier && !(computed || parent.computed)) return name;\n\n if (\n computed &&\n path.isMemberExpression() &&\n path.get(\"object\").isIdentifier({ name: \"Symbol\" }) &&\n !scope.hasBinding(\"Symbol\", /* noGlobals */ true)\n ) {\n const sym = resolveKey(path.get(\"property\"), path.node.computed);\n if (sym) return \"Symbol.\" + sym;\n }\n\n if (!isIdentifier || scope.hasBinding(name, /* noGlobals */ true)) {\n const { value } = path.evaluate();\n if (typeof value === \"string\") return value;\n }\n}\n\nexport function resolveSource(obj: NodePath) {\n if (\n obj.isMemberExpression() &&\n obj.get(\"property\").isIdentifier({ name: \"prototype\" })\n ) {\n const id = resolveId(obj.get(\"object\"));\n\n if (id) {\n return { id, placement: \"prototype\" };\n }\n return { id: null, placement: null };\n }\n\n const id = resolveId(obj);\n if (id) {\n return { id, placement: \"static\" };\n }\n\n const { value } = obj.evaluate();\n if (value !== undefined) {\n return { id: getType(value), placement: \"prototype\" };\n } else if (obj.isRegExpLiteral()) {\n return { id: \"RegExp\", placement: \"prototype\" };\n } else if (obj.isFunction()) {\n return { id: \"Function\", placement: \"prototype\" };\n }\n\n return { id: null, placement: null };\n}\n\nexport function getImportSource({ node }: NodePath) {\n if (node.specifiers.length === 0) return node.source.value;\n}\n\nexport function getRequireSource({ node }: NodePath) {\n if (!t.isExpressionStatement(node)) return;\n const { expression } = node;\n const isRequire =\n t.isCallExpression(expression) &&\n t.isIdentifier(expression.callee) &&\n expression.callee.name === \"require\" &&\n expression.arguments.length === 1 &&\n t.isStringLiteral(expression.arguments[0]);\n if (isRequire) return expression.arguments[0].value;\n}\n\nfunction hoist(node: t.Node) {\n node._blockHoist = 3;\n return node;\n}\n\nexport function createUtilsGetter(cache: ImportsCache) {\n return (path: NodePath): Utils => {\n const prog = path.findParent(p => p.isProgram());\n\n return {\n injectGlobalImport(url) {\n cache.storeAnonymous(prog, url, (isScript, source) => {\n return isScript\n ? template.statement.ast`require(${source})`\n : t.importDeclaration([], source);\n });\n },\n injectNamedImport(url, name, hint = name) {\n return cache.storeNamed(prog, url, name, (isScript, source, name) => {\n const id = prog.scope.generateUidIdentifier(hint);\n return {\n nod
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