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const builtInModules = require("./lib/builtInModules").default; const thirdPartyModules = require("./lib/thirdPartyModules").default; const importSortFunc = require("./lib/importSort").default; const jscodeshift = require("jscodeshift"); const prettier = require("prettier"); function createImportStatement(moduleName, variableName, propName, kind) { let declaration; const variableIds = variableName.map(function(v) { return jscodeshift.importSpecifier( jscodeshift.identifier(v.imported), jscodeshift.identifier(v.local) ); }); if (propName) { const namespace = propName.namespace; const name = propName.name; let identifier; if (name) { identifier = jscodeshift.identifier(name); variableIds.unshift( jscodeshift.importDefaultSpecifier(identifier, identifier) ); } else Eif (namespace) { identifier = jscodeshift.identifier(namespace); variableIds.unshift( jscodeshift.importNamespaceSpecifier(identifier, identifier) ); } } declaration = jscodeshift.importDeclaration( variableIds, jscodeshift.literal(moduleName) ); declaration.importKind = kind; return declaration; } module.exports = function(file, api, options) { const j = api.jscodeshift; const root = j(file.source); const imports = root.find(j.ImportDeclaration); // No imports, leave as is if (imports.size() === 0) { return file.source; } // Load all imports // Object is separated by type const newImports = {}; imports.forEach(i => { const node = i.node; const source = node.source.value; const kind = node.importKind || "value"; if (!newImports[kind]) { newImports[kind] = {}; } if (!newImports[kind][source]) { newImports[kind][source] = { default: null, specifiers: [] }; } node.specifiers.forEach(specifier => { if (specifier.type === "ImportDefaultSpecifier") { newImports[kind][source].default = { name: specifier.local.name }; } else if (specifier.type === "ImportNamespaceSpecifier") { newImports[kind][source].default = { namespace: specifier.local.name }; } else { // Check the specifier has not all ready been placed in let found = false; newImports[kind][source].specifiers.forEach(spec => { Iif (spec.local === specifier.local.name) { found = true; } Iif (spec.imported === specifier.imported.name) { found = true; } }); Eif (!found) { newImports[kind][source].specifiers.push({ local: specifier.local.name, imported: specifier.imported.name }); } } }); }); let outputImports = []; outputImports = outputImports.concat( createOutputImports(newImports["type"], "type", options) ); outputImports = outputImports.concat( createOutputImports(newImports["value"], "value", options) ); const comments = root.find(j.Program).get("body", 0).node.comments; root.find(j.ImportDeclaration).remove(); outputImports.forEach(x => { const body = root.get().value.program.body; body.unshift(x); }); root.get().node.comments = comments; let source = root.toSource({ quote: "single" }); source = source.replace(/\/\/\$\$BLANK_LINE\n\n/g, "//$$$BLANK_LINE\n"); return prettier.format(source.replace(/\/\/\$\$BLANK_LINE/g, ""), { parser: "babel" }); }; function createOutputImports(newImports, kind, options) { if (!newImports) { return []; } const nodeModules = {}; const thirdPartyImports = {}; const firstPartyImports = {}; const localImports = {}; const outputImports = []; Object.keys(newImports).forEach(key => { const baseKey = key.split("/")[0]; if (builtInModules.indexOf(baseKey) > -1) { nodeModules[key] = newImports[key]; } else if (thirdPartyModules.indexOf(baseKey) > -1) { thirdPartyImports[key] = newImports[key]; } else if (key.startsWith(".")) { localImports[key] = newImports[key]; } else { firstPartyImports[key] = newImports[key]; } }); const nodeKeys = Object.keys(nodeModules) .sort(importSortFunc) .reverse(); const thirdKeys = Object.keys(thirdPartyImports) .sort(importSortFunc) .reverse(); const firstKeys = Object.keys(firstPartyImports) .sort(importSortFunc) .reverse(); const localKeys = Object.keys(localImports) .sort(importSortFunc) .reverse(); let blankLine = "//$$BLANK_LINE"; if (options['blank-lines'] === false){ blankLine = '' } function pushImports(keys) { if (keys.length > 0) { outputImports.push(blankLine); } keys.forEach(key => { outputImports.push( createImportStatement( key, newImports[key].specifiers.sort((a, b) => a.imported.localeCompare(b.imported) ), newImports[key].default, kind ) ); }); } pushImports(localKeys); pushImports(firstKeys); pushImports(thirdKeys); pushImports(nodeKeys); return outputImports; } |