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{"version":3,"names":["helpers","data","require","_generator","_template","_t","_file","arrayExpression","assignmentExpression","binaryExpression","blockStatement","callExpression","cloneNode","conditionalExpression","exportNamedDeclaration","exportSpecifier","expressionStatement","functionExpression","identifier","memberExpression","objectExpression","program","stringLiteral","unaryExpression","variableDeclaration","variableDeclarator","buildUmdWrapper","replacements","template","statement","buildGlobal","allowlist","namespace","body","container","tree","push","buildHelpers","buildModule","refs","unshift","Object","keys","map","name","buildUmd","FACTORY_PARAMETERS","BROWSER_ARGUMENTS","COMMON_ARGUMENTS","AMD_ARGUMENTS","FACTORY_BODY","UMD_ROOT","buildVar","getHelperReference","list","forEach","indexOf","ref","ensure","File","nodes","get","_default","outputType","build","global","module","umd","var","Error","generator","code"],"sources":["../../src/tools/build-external-helpers.ts"],"sourcesContent":["import * as helpers from \"@babel/helpers\";\nimport generator from \"@babel/generator\";\nimport template from \"@babel/template\";\nimport {\n arrayExpression,\n assignmentExpression,\n binaryExpression,\n blockStatement,\n callExpression,\n cloneNode,\n conditionalExpression,\n exportNamedDeclaration,\n exportSpecifier,\n expressionStatement,\n functionExpression,\n identifier,\n memberExpression,\n objectExpression,\n program,\n stringLiteral,\n unaryExpression,\n variableDeclaration,\n variableDeclarator,\n} from \"@babel/types\";\nimport type * as t from \"@babel/types\";\nimport File from \"../transformation/file/file.ts\";\nimport type { Replacements } from \"@babel/template\";\n\n// Wrapped to avoid wasting time parsing this when almost no-one uses\n// build-external-helpers.\nconst buildUmdWrapper = (replacements: Replacements) =>\n template.statement`\n (function (root, factory) {\n if (typeof define === \"function\" && define.amd) {\n define(AMD_ARGUMENTS, factory);\n } else if (typeof exports === \"object\") {\n factory(COMMON_ARGUMENTS);\n } else {\n factory(BROWSER_ARGUMENTS);\n }\n })(UMD_ROOT, function (FACTORY_PARAMETERS) {\n FACTORY_BODY\n });\n `(replacements);\n\nfunction buildGlobal(allowlist?: Array<string>) {\n const namespace = identifier(\"babelHelpers\");\n\n const body: t.Statement[] = [];\n const container = functionExpression(\n null,\n [identifier(\"global\")],\n blockStatement(body),\n );\n const tree = program([\n expressionStatement(\n callExpression(container, [\n // typeof global === \"undefined\" ? self : global\n conditionalExpression(\n binaryExpression(\n \"===\",\n unaryExpression(\"typeof\", identifier(\"global\")),\n stringLiteral(\"undefined\"),\n ),\n identifier(\"self\"),\n identifier(\"global\"),\n ),\n ]),\n ),\n ]);\n\n body.push(\n variableDeclaration(\"var\", [\n variableDeclarator(\n namespace,\n assignmentExpression(\n \"=\",\n memberExpression(identifier(\"global\"), namespace),\n objectExpression([]),\n ),\n ),\n ]),\n );\n\n buildHelpers(body, namespace, allowlist);\n\n return tree;\n}\n\nfunction buildModule(allowlist?: Array<string>) {\n const body: t.Statement[] = [];\n const refs = buildHelpers(body, null, allowlist);\n\n body.unshift(\n exportNamedDeclaration(\n null,\n Object.keys(refs).map(name => {\n return exportSpecifier(cloneNode(refs[name]), identifier(name));\n }),\n ),\n );\n\n return program(body, [], \"module\");\n}\n\nfunction buildUmd(allowlist?: Array<string>) {\n const namespace = identifier(\"babelHelpers\");\n\n const body: t.Statement[] = [];\n body.push(\n variableDeclaration(\"var\", [\n variableDeclarator(namespace, identifier(\"global\")),\n ]),\n );\n\n buildHelpers(body, namespace, allowlist);\n\n return program([\n buildUmdWrap
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