52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
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"use strict";
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exports.__esModule = true;
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exports.default = function (_ref) {
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var t = _ref.types;
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function makeTrace(fileNameIdentifier, lineNumber) {
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var fileLineLiteral = lineNumber != null ? t.numericLiteral(lineNumber) : t.nullLiteral();
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var fileNameProperty = t.objectProperty(t.identifier("fileName"), fileNameIdentifier);
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var lineNumberProperty = t.objectProperty(t.identifier("lineNumber"), fileLineLiteral);
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return t.objectExpression([fileNameProperty, lineNumberProperty]);
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}
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var visitor = {
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JSXOpeningElement: function JSXOpeningElement(path, state) {
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var id = t.jSXIdentifier(TRACE_ID);
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var location = path.container.openingElement.loc;
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if (!location) {
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return;
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}
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var attributes = path.container.openingElement.attributes;
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for (var i = 0; i < attributes.length; i++) {
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var name = attributes[i].name;
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if (name && name.name === TRACE_ID) {
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return;
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}
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}
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if (!state.fileNameIdentifier) {
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var fileName = state.file.log.filename !== "unknown" ? state.file.log.filename : null;
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var fileNameIdentifier = path.scope.generateUidIdentifier(FILE_NAME_VAR);
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path.hub.file.scope.push({ id: fileNameIdentifier, init: t.stringLiteral(fileName) });
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state.fileNameIdentifier = fileNameIdentifier;
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}
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var trace = makeTrace(state.fileNameIdentifier, location.start.line);
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attributes.push(t.jSXAttribute(id, t.jSXExpressionContainer(trace)));
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}
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};
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return {
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visitor: visitor
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};
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};
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var TRACE_ID = "__source";
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var FILE_NAME_VAR = "_jsxFileName";
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module.exports = exports["default"];
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