53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
"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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const createNodeFromNullish = (val, fn) => val == null ? _core.types.nullLiteral() : fn(val);
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var _default = (0, _helperPluginUtils.declare)(api => {
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api.assertVersion(7);
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function makeTrace(fileNameIdentifier, {
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line,
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column
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}) {
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const fileLineLiteral = createNodeFromNullish(line, _core.types.numericLiteral);
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const fileColumnLiteral = createNodeFromNullish(column, c => _core.types.numericLiteral(c + 1));
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return _core.template.expression.ast`{
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fileName: ${fileNameIdentifier},
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lineNumber: ${fileLineLiteral},
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columnNumber: ${fileColumnLiteral},
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}`;
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}
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const isSourceAttr = attr => _core.types.isJSXAttribute(attr) && attr.name.name === TRACE_ID;
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return {
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name: "transform-react-jsx-source",
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visitor: {
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JSXOpeningElement(path, state) {
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const {
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node
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} = path;
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if (!node.loc || path.node.attributes.some(isSourceAttr)) {
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return;
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}
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if (!state.fileNameIdentifier) {
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const fileNameId = path.scope.generateUidIdentifier(FILE_NAME_VAR);
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state.fileNameIdentifier = fileNameId;
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path.scope.getProgramParent().push({
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id: fileNameId,
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init: _core.types.stringLiteral(state.filename || "")
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});
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}
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node.attributes.push(_core.types.jsxAttribute(_core.types.jsxIdentifier(TRACE_ID), _core.types.jsxExpressionContainer(makeTrace(_core.types.cloneNode(state.fileNameIdentifier), node.loc.start))));
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}
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}
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};
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});
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exports.default = _default;
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//# sourceMappingURL=index.js.map
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