bc518174
 王天杨
提交两个项目文件
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _helperPluginUtils = require("@babel/helper-plugin-utils");
var _core = require("@babel/core");
const TRACE_ID = "__source";
const FILE_NAME_VAR = "_jsxFileName";
const createNodeFromNullish = (val, fn) => val == null ? _core.types.nullLiteral() : fn(val);
var _default = exports.default = (0, _helperPluginUtils.declare)(api => {
api.assertVersion(7);
function makeTrace(fileNameIdentifier, {
line,
column
}) {
const fileLineLiteral = createNodeFromNullish(line, _core.types.numericLiteral);
const fileColumnLiteral = createNodeFromNullish(column, c => _core.types.numericLiteral(c + 1));
return _core.template.expression.ast`{
fileName: ${fileNameIdentifier},
lineNumber: ${fileLineLiteral},
columnNumber: ${fileColumnLiteral},
}`;
}
const isSourceAttr = attr => _core.types.isJSXAttribute(attr) && attr.name.name === TRACE_ID;
return {
name: "transform-react-jsx-source",
visitor: {
JSXOpeningElement(path, state) {
const {
node
} = path;
if (!node.loc || path.node.attributes.some(isSourceAttr)) {
return;
}
if (!state.fileNameIdentifier) {
const fileNameId = path.scope.generateUidIdentifier(FILE_NAME_VAR);
state.fileNameIdentifier = fileNameId;
path.scope.getProgramParent().push({
id: fileNameId,
init: _core.types.stringLiteral(state.filename || "")
});
}
node.attributes.push(_core.types.jsxAttribute(_core.types.jsxIdentifier(TRACE_ID), _core.types.jsxExpressionContainer(makeTrace(_core.types.cloneNode(state.fileNameIdentifier), node.loc.start))));
}
}
};
});
//# sourceMappingURL=index.js.map
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