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15 KiB
4 weeks ago
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{"version":3,"names":["_helperPluginUtils","require","_helperSkipTransparentExpressionWrappers","_core","_default","exports","default","declare","api","options","_api$assumption","_options$allowArrayLi","assertVersion","iterableIsArray","assumption","loose","arrayLikeIsIterable","allowArrayLike","getSpreadLiteral","spread","scope","t","isIdentifier","argument","name","node","binding","getBinding","constant","path","isGenericType","isArrayExpression","template","expression","ast","args","helperName","unshift","hub","addHelper","callExpression","hasHole","elements","includes","hasSpread","nodes","i","length","isSpreadElement","push","_props","arrayExpression","build","props","file","prop","spreadLiteral","visitor","ArrayExpression","first","replaceWith","shift","memberExpression","identifier","CallExpression","arguments","calleePath","skipTransparentExprWrappers","get","isSuper","buildCodeFrameError","contextLiteral","buildUndefinedNode","callee","isMemberExpression","temp","maybeGenerateMemoised","object","assignmentExpression","cloneNode","thisExpression","NewExpression"],"sources":["../src/index.ts"],"sourcesContent":["import { declare } from \"@babel/helper-plugin-utils\";\nimport { skipTransparentExprWrappers } from \"@babel/helper-skip-transparent-expression-wrappers\";\nimport { types as t, template } from \"@babel/core\";\nimport type { File, NodePath, Scope } from \"@babel/core\";\n\ntype ListElement = t.SpreadElement | t.Expression;\n\nexport interface Options {\n allowArrayLike?: boolean;\n loose?: boolean;\n}\n\nexport default declare((api, options: Options) => {\n api.assertVersion(REQUIRED_VERSION(7));\n\n const iterableIsArray = api.assumption(\"iterableIsArray\") ?? options.loose;\n const arrayLikeIsIterable =\n options.allowArrayLike ?? api.assumption(\"arrayLikeIsIterable\");\n\n function getSpreadLiteral(\n spread: t.SpreadElement,\n scope: Scope,\n ): t.Expression {\n if (\n iterableIsArray &&\n !t.isIdentifier(spread.argument, { name: \"arguments\" })\n ) {\n return spread.argument;\n } else {\n const node = spread.argument;\n\n if (t.isIdentifier(node)) {\n const binding = scope.getBinding(node.name);\n if (binding?.constant && binding.path.isGenericType(\"Array\")) {\n return node;\n }\n }\n\n if (t.isArrayExpression(node)) {\n return node;\n }\n\n if (t.isIdentifier(node, { name: \"arguments\" })) {\n return template.expression.ast`\n Array.prototype.slice.call(${node})\n `;\n }\n\n const args = [node];\n let helperName = \"toConsumableArray\";\n\n if (arrayLikeIsIterable) {\n args.unshift(scope.path.hub.addHelper(helperName));\n helperName = \"maybeArrayLike\";\n }\n\n return t.callExpression(scope.path.hub.addHelper(helperName), args);\n }\n }\n\n function hasHole(spread: t.ArrayExpression): boolean {\n return spread.elements.includes(null);\n }\n\n function hasSpread(nodes: Array<t.Node>): boolean {\n for (let i = 0; i < nodes.length; i++) {\n if (t.isSpreadElement(nodes[i])) {\n return true;\n }\n }\n return false;\n }\n\n function push(_props: Array<ListElement>, nodes: Array<t.Expression>) {\n if (!_props.length) return _props;\n nodes.push(t.arrayExpression(_props));\n return [];\n }\n\n function build(\n props: Array<ListElement>,\n scope: Scope,\n file: File,\n ): t.Expression[] {\n const nodes: Array<t.Expression> = [];\n let _props: Array<ListElement> = [];\n\n for (const prop of props) {\n if (t.isSpreadElement(prop)) {\n _props = push(_props, nodes);\n let spreadLiteral = getSpreadLiteral(prop, scope);\n\n if (t.isArrayExpression(spreadLiteral) && hasHole(spreadLiteral)) {\n spreadLiteral = t.callExpression(\n file.addHelper(\n process.env.BABEL_8_BREAKING\n ? \"arrayLikeToArray\"\n : \"arrayWithoutHoles\",\n ),\n [spreadLiteral],\n
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