cerxes/babel
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This commit is contained in:
Brian Ng
2017-06-27 12:15:00 -05:00
parent 93cc22dae1
commit e4b35f680d
307 changed files with 6742 additions and 4080 deletions
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28
packages/babel-plugin-transform-react-jsx-source/src/index.js
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@@ -1,5 +1,4 @@
/**
/**
* This adds {fileName, lineNumber} annotations to React component definitions
* and to jsx tag literals.
*
@@ -14,15 +13,21 @@
* <sometag __source={{fileName: __jsxFileName, lineNumber: 10}}/>
*/
const TRACE_ID = "__source";
const FILE_NAME_VAR = "_jsxFileName";
export default function ({ types: t }) {
export default function({ types: t }) {
function makeTrace(fileNameIdentifier, lineNumber) {
const fileLineLiteral = lineNumber != null ? t.numericLiteral(lineNumber) : t.nullLiteral();
const fileNameProperty = t.objectProperty(t.identifier("fileName"), fileNameIdentifier);
const lineNumberProperty = t.objectProperty(t.identifier("lineNumber"), fileLineLiteral);
const fileLineLiteral =
lineNumber != null ? t.numericLiteral(lineNumber) : t.nullLiteral();
const fileNameProperty = t.objectProperty(
t.identifier("fileName"),
fileNameIdentifier,
);
const lineNumberProperty = t.objectProperty(
t.identifier("lineNumber"),
fileLineLiteral,
);
return t.objectExpression([fileNameProperty, lineNumberProperty]);
}
@@ -47,8 +52,13 @@ export default function ({ types: t }) {
if (!state.fileNameIdentifier) {
const fileName = state.file.opts.filename;
const fileNameIdentifier = path.scope.generateUidIdentifier(FILE_NAME_VAR);
path.hub.file.scope.push({ id: fileNameIdentifier, init: t.stringLiteral(fileName) });
const fileNameIdentifier = path.scope.generateUidIdentifier(
FILE_NAME_VAR,
);
path.hub.file.scope.push({
id: fileNameIdentifier,
init: t.stringLiteral(fileName),
});
state.fileNameIdentifier = fileNameIdentifier;
}