From aa773172311dcada759dfbaac485f4bc6e00bc21 Mon Sep 17 00:00:00 2001 From: littleblack111 Date: Sat, 14 Oct 2023 15:31:11 +0800 Subject: added babel --- .../lib/plugins/transform-jsx-spread/index.js | 115 +++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 node_modules/@babel/preset-modules/lib/plugins/transform-jsx-spread/index.js (limited to 'node_modules/@babel/preset-modules/lib/plugins/transform-jsx-spread') diff --git a/node_modules/@babel/preset-modules/lib/plugins/transform-jsx-spread/index.js b/node_modules/@babel/preset-modules/lib/plugins/transform-jsx-spread/index.js new file mode 100644 index 00000000..fcb6af17 --- /dev/null +++ b/node_modules/@babel/preset-modules/lib/plugins/transform-jsx-spread/index.js @@ -0,0 +1,115 @@ +"use strict"; + +exports.__esModule = true; +exports.default = void 0; + +var _esutils = _interopRequireDefault(require("esutils")); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +/** + * Converts JSX Spread arguments into Object Spread, avoiding Babel's helper or Object.assign injection. + * Input: + *
+ * Output: + *
+ * ...which Babel converts to: + * h("div", { a: "1", ...b }) + */ +var _default = ({ + types: t +}) => { + // converts a set of JSXAttributes to an Object.assign() call + function convertAttributesAssign(attributes) { + const args = []; + + for (let i = 0, current; i < attributes.length; i++) { + const node = attributes[i]; + + if (t.isJSXSpreadAttribute(node)) { + // the first attribute is a spread, avoid copying all other attributes onto it + if (i === 0) { + args.push(t.objectExpression([])); + } + + current = null; + args.push(node.argument); + } else { + const name = getAttributeName(node); + const value = getAttributeValue(node); + + if (!current) { + current = t.objectExpression([]); + args.push(current); + } + + current.properties.push(t.objectProperty(name, value)); + } + } + + return t.callExpression(t.memberExpression(t.identifier("Object"), t.identifier("assign")), args); + } // Converts a JSXAttribute to the equivalent ObjectExpression property + + + function convertAttributeSpread(node) { + if (t.isJSXSpreadAttribute(node)) { + return t.spreadElement(node.argument); + } + + const name = getAttributeName(node); + const value = getAttributeValue(node); + return t.inherits(t.objectProperty(name, value), node); + } // Convert a JSX attribute name to an Object expression property name + + + function getAttributeName(node) { + if (t.isJSXNamespacedName(node.name)) { + return t.stringLiteral(node.name.namespace.name + ":" + node.name.name.name); + } + + if (_esutils.default.keyword.isIdentifierNameES6(node.name.name)) { + return t.identifier(node.name.name); + } + + return t.stringLiteral(node.name.name); + } // Convert a JSX attribute value to a JavaScript expression value + + + function getAttributeValue(node) { + let value = node.value || t.booleanLiteral(true); + + if (t.isJSXExpressionContainer(value)) { + value = value.expression; + } else if (t.isStringLiteral(value)) { + value.value = value.value.replace(/\n\s+/g, " "); // "raw" JSXText should not be used from a StringLiteral because it needs to be escaped. + + if (value.extra && value.extra.raw) { + delete value.extra.raw; + } + } + + return value; + } + + return { + name: "transform-jsx-spread", + visitor: { + JSXOpeningElement(path, state) { + const useSpread = state.opts.useSpread === true; + const hasSpread = path.node.attributes.some(attr => t.isJSXSpreadAttribute(attr)); // ignore JSX Elements without spread or with lone spread: + + if (!hasSpread || path.node.attributes.length === 1) return; + + if (useSpread) { + path.node.attributes = [t.jsxSpreadAttribute(t.objectExpression(path.node.attributes.map(convertAttributeSpread)))]; + } else { + path.node.attributes = [t.jsxSpreadAttribute(convertAttributesAssign(path.node.attributes))]; + } + } + + } + }; +}; + +exports.default = _default; +module.exports = exports.default; \ No newline at end of file -- cgit v1.2.3