esbuild-pilet-plugin/lib/esm/index.mjs.map

Plugin for transforming pilets.

{
  "version": 3,
  "sources": ["../../src/index.ts", "../../src/importmap-plugin.ts", "../../src/banner-plugin.ts"],
  "sourcesContent": ["import type { SharedDependency } from 'piral-cli';\nimport { Plugin } from 'esbuild';\nimport { transformFileAsync, PluginObj } from '@babel/core';\nimport { promises } from 'fs';\nimport { resolve, basename } from 'path';\n\nimport importmapPlugin from './importmap-plugin';\nimport bannerPlugin from './banner-plugin';\n\nexport interface PiletPluginOptions {\n  name: string;\n  requireRef: string;\n  importmap: Array<SharedDependency>;\n  schema: 'v2' | 'v3';\n}\n\nexport const piletPlugin = (options: PiletPluginOptions): Plugin => ({\n  name: 'pilet-plugin',\n  setup(build) {\n    build.initialOptions.metafile = true;\n\n    build.onEnd(async (result) => {\n      const root = process.cwd();\n\n      if (result.metafile) {\n        const { outputs } = result.metafile;\n        const { entryPoints } = build.initialOptions;\n        const [name] = Object.keys(entryPoints);\n        const entryModule = resolve(root, entryPoints[name]);\n        const cssFiles = Object.keys(outputs)\n          .filter((m) => m.endsWith('.css'))\n          .map((m) => basename(m));\n\n        await Promise.all(\n          Object.keys(outputs)\n            .filter((m) => m.endsWith('.js'))\n            .map(async (file) => {\n              const { entryPoint } = outputs[file];\n              const isEntryModule = entryPoint && resolve(root, entryPoint) === entryModule;\n              const path = resolve(root, file);\n              const smname = `${file}.map`;\n              const smpath = resolve(root, smname);\n              const sourceMaps = smname in outputs;\n              const inputSourceMap = sourceMaps ? JSON.parse(await promises.readFile(smpath, 'utf8')) : undefined;\n              const plugins: Array<PluginObj> = [importmapPlugin(options.importmap)];\n\n              if (isEntryModule) {\n                plugins.push(\n                  bannerPlugin(options.name, options.importmap, options.requireRef, options.schema, cssFiles),\n                );\n              }\n\n              const { code, map } = await transformFileAsync(path, {\n                sourceMaps,\n                inputSourceMap,\n                comments: isEntryModule,\n                plugins,\n                presets: [\n                  [\n                    '@babel/preset-env',\n                    {\n                      modules: 'systemjs',\n                    },\n                  ],\n                ],\n              });\n\n              if (map) {\n                await promises.writeFile(smpath, JSON.stringify(map), 'utf8');\n              }\n\n              await promises.writeFile(path, code, 'utf8');\n            }),\n        );\n      }\n    });\n  },\n});\n", "import { stringLiteral } from '@babel/types';\nimport type { PluginObj } from '@babel/core';\nimport type { SharedDependency } from 'piral-cli';\n\nexport default function babelPlugin(importmap: Array<SharedDependency>): PluginObj {\n  return {\n    visitor: {\n      ImportDeclaration(path) {\n        path.traverse({\n          Literal(path) {\n            if (path.node.type === 'StringLiteral') {\n              const name = path.node.value;\n              const entry = importmap.find((m) => m.name === name);\n\n              if (entry) {\n                path.replaceWith(stringLiteral(entry.requireId || entry.id));\n              }\n            }\n          },\n        });\n      },\n    },\n  };\n}\n", "import type { SharedDependency } from 'piral-cli';\nimport type { PluginObj } from '@babel/core';\nimport type { Statement } from '@babel/types';\nimport template from '@babel/template';\n\nexport interface PluginOptions {}\n\nexport default function babelPlugin(\n  name: string,\n  importmap: Array<SharedDependency>,\n  requireRef: string,\n  schema: 'v2' | 'v3',\n  cssFiles: Array<string>,\n): PluginObj {\n  const debug = process.env.NODE_ENV === 'development';\n\n  return {\n    visitor: {\n      Program(path) {\n        const deps = importmap.reduce((obj, dep) => {\n          obj[dep.id] = dep.ref;\n          return obj;\n        }, {});\n\n        if (schema === 'v2') {\n          path.addComment('leading', `@pilet v:2(${requireRef},${JSON.stringify(deps)})`, true);\n\n          if (cssFiles.length > 0) {\n            const bundleUrl = `function(){try{throw new Error}catch(t){const e=(\"\"+t.stack).match(/(https?|file|ftp|chrome-extension|moz-extension):\\\\/\\\\/[^)\\\\n]+/g);if(e)return e[0].replace(/^((?:https?|file|ftp|chrome-extension|moz-extension):\\\\/\\\\/.+)\\\\/[^\\\\/]+$/,\"$1\")+\"/\"}return\"/\"}`;\n            const stylesheet = [\n              `var d=document`,\n              `var __bundleUrl__=(${bundleUrl})()`,\n              `${JSON.stringify(cssFiles)}.forEach(cf=>{`,\n              `var u=__bundleUrl__+cf`,\n              `var e=d.createElement(\"link\")`,\n              `e.setAttribute('data-origin', ${JSON.stringify(name)})`,\n              `e.type=\"text/css\"`,\n              `e.rel=\"stylesheet\"`,\n              `e.href=${debug ? 'u+\"?_=\"+Math.random()' : 'u'}`,\n              `d.head.appendChild(e)`,\n              `})`,\n            ].join(';\\n');\n            path.node.body.push(template.ast(`(function(){${stylesheet}})()`) as Statement);\n          }\n        } else if (schema === 'v3') {\n          path.addComment('leading', `@pilet v:3(${requireRef},${JSON.stringify(deps)})`, true);\n\n          if (cssFiles.length > 0) {\n            path.node.body.push(template.ast(`export const styles = ${JSON.stringify(cssFiles)};`) as Statement);\n          }\n        }\n      },\n    },\n  };\n}\n"],
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  "names": ["path", "babelPlugin", "babelPlugin"]
}