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One is a React framework for web, iOS, and Android apps.

github.com/onejs/one

onejs/one

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{"version":3,"file":"generateBundlerConfig.js","names":[],"sources":["esm/cli/generateBundlerConfig.js"],"sourcesContent":["import { existsSync, readFileSync, writeFileSync } from \"node:fs\";\nimport path from \"node:path\";\nimport colors from \"picocolors\";\nimport { getRouterRootFromOneOptions } from \"../utils/getRouterRootFromOneOptions\";\nconst ONE_GENERATED_MARKER = \"@one/generated bundler-config\";\nfunction buildBabelConfigContent({\n eject,\n options\n}) {\n const header = eject ? `// you own this file. edit freely. \\`one\\` will not regenerate it.\n// delegates to one/babel-preset which holds the canonical plugin chain.\n` : `// ${ONE_GENERATED_MARKER}\n//\n// auto-generated by \\`one metro-eject\\`. delegates to one/babel-preset so\n// Metro uses the same router/setup options as \\`one dev\\` and \\`one build\\`.\n//\n// to customize, delete this header and edit freely. re-runs will then\n// leave this file alone.\n`;\n return `${header}\nconst oneBabelPreset = require('one/babel-preset')\nconst preset = oneBabelPreset.default || oneBabelPreset\nconst oneBundlerOptions = ${serializeBundlerConfigOptions(options)}\n\nmodule.exports = function (api) {\n return preset(api, oneBundlerOptions)\n}\n`;\n}\nfunction buildMetroConfigContent({\n eject,\n options\n}) {\n const header = eject ? `// you own this file. edit freely. \\`one\\` will not regenerate it.\n// withOne() invokes the same Metro pipeline One uses for production bundles.\n` : `// ${ONE_GENERATED_MARKER}\n//\n// auto-generated by \\`one metro-eject\\`. delegates to one/metro-config,\n// which invokes the same metro pipeline One uses for production native\n// bundles with your router and setup options.\n//\n// to customize, delete this header and edit freely. re-runs will then\n// leave this file alone.\n`;\n return `${header}\nconst { withOne } = require('one/metro-config')\nconst oneBundlerOptions = ${serializeBundlerConfigOptions(options)}\n\nmodule.exports = withOne(__dirname, oneBundlerOptions)\n`;\n}\nconst FILES = [\n {\n name: \"babel.config.cjs\",\n getContent: buildBabelConfigContent,\n conflicting: [\"babel.config.js\", \"babel.config.mjs\", \".babelrc\", \".babelrc.js\"]\n },\n {\n name: \"metro.config.cjs\",\n getContent: buildMetroConfigContent,\n conflicting: [\"metro.config.js\", \"metro.config.mjs\"]\n }\n];\nfunction stripUndefined(value) {\n if (Array.isArray(value)) {\n return value.map(stripUndefined);\n }\n if (value && typeof value === \"object\") {\n return Object.fromEntries(\n Object.entries(value).filter(([, entry]) => entry !== void 0).map(([key, entry]) => [key, stripUndefined(entry)])\n );\n }\n return value;\n}\nfunction assertSerializable(value, keyPath = \"one bundler options\") {\n if (typeof value === \"function\" || typeof value === \"symbol\" || typeof value === \"bigint\") {\n throw new Error(\n `[one] ${keyPath} must be JSON-serializable to generate Babel/Metro config files. 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