77 lines
2.3 KiB
JavaScript
77 lines
2.3 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _helperPluginUtils = require("@babel/helper-plugin-utils");
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var _core = require("@babel/core");
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const TRACE_ID = "__source";
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const FILE_NAME_VAR = "_jsxFileName";
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var _default = (0, _helperPluginUtils.declare)(api => {
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api.assertVersion(7);
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function makeTrace(fileNameIdentifier, lineNumber, column0Based) {
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const fileLineLiteral = lineNumber != null ? _core.types.numericLiteral(lineNumber) : _core.types.nullLiteral();
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const fileColumnLiteral = column0Based != null ? _core.types.numericLiteral(column0Based + 1) : _core.types.nullLiteral();
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const fileNameProperty = _core.types.objectProperty(_core.types.identifier("fileName"), fileNameIdentifier);
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const lineNumberProperty = _core.types.objectProperty(_core.types.identifier("lineNumber"), fileLineLiteral);
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const columnNumberProperty = _core.types.objectProperty(_core.types.identifier("columnNumber"), fileColumnLiteral);
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return _core.types.objectExpression([fileNameProperty, lineNumberProperty, columnNumberProperty]);
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}
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const visitor = {
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JSXOpeningElement(path, state) {
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const id = _core.types.jsxIdentifier(TRACE_ID);
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const location = path.container.openingElement.loc;
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if (!location) {
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return;
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}
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const attributes = path.container.openingElement.attributes;
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for (let i = 0; i < attributes.length; i++) {
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const name = attributes[i].name;
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if ((name == null ? void 0 : 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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const fileName = state.filename || "";
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const fileNameIdentifier = path.scope.generateUidIdentifier(FILE_NAME_VAR);
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const scope = path.hub.getScope();
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if (scope) {
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scope.push({
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id: fileNameIdentifier,
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init: _core.types.stringLiteral(fileName)
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});
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}
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state.fileNameIdentifier = fileNameIdentifier;
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}
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const trace = makeTrace(_core.types.cloneNode(state.fileNameIdentifier), location.start.line, location.start.column);
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attributes.push(_core.types.jsxAttribute(id, _core.types.jsxExpressionContainer(trace)));
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}
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};
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return {
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name: "transform-react-jsx-source",
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visitor
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};
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});
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exports.default = _default;
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