next
Version:
The React Framework
74 lines (73 loc) • 2.89 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.normalizeSourceMapAfterPostcss = exports.normalizeSourceMap = void 0;
var _path = _interopRequireDefault(require("path"));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
const IS_NATIVE_WIN32_PATH = /^[a-z]:[/\\]|^\\\\/i;
const ABSOLUTE_SCHEME = /^[a-z0-9+\-.]+:/i;
function getURLType(source) {
if (source[0] === '/') {
if (source[1] === '/') {
return 'scheme-relative';
}
return 'path-absolute';
}
if (IS_NATIVE_WIN32_PATH.test(source)) {
return 'path-absolute';
}
return ABSOLUTE_SCHEME.test(source) ? 'absolute' : 'path-relative';
}
function normalizeSourceMap(map, resourceContext) {
let newMap = map;
// Some loader emit source map as string
// Strip any JSON XSSI avoidance prefix from the string (as documented in the source maps specification), and then parse the string as JSON.
if (typeof newMap === 'string') {
newMap = JSON.parse(newMap);
}
delete newMap.file;
const { sourceRoot } = newMap;
delete newMap.sourceRoot;
if (newMap.sources) {
newMap.sources = newMap.sources.map((source)=>{
const sourceType = getURLType(source);
// Do no touch `scheme-relative` and `absolute` URLs
if (sourceType === 'path-relative' || sourceType === 'path-absolute') {
const absoluteSource = sourceType === 'path-relative' && sourceRoot ? _path.default.resolve(sourceRoot, _path.default.normalize(source)) : _path.default.normalize(source);
return _path.default.relative(resourceContext, absoluteSource);
}
return source;
});
}
return newMap;
}
exports.normalizeSourceMap = normalizeSourceMap;
function normalizeSourceMapAfterPostcss(map, resourceContext) {
const newMap = map;
// result.map.file is an optional property that provides the output filename.
// Since we don't know the final filename in the webpack build chain yet, it makes no sense to have it.
// eslint-disable-next-line no-param-reassign
delete newMap.file;
// eslint-disable-next-line no-param-reassign
newMap.sourceRoot = '';
// eslint-disable-next-line no-param-reassign
newMap.sources = newMap.sources.map((source)=>{
if (source.indexOf('<') === 0) {
return source;
}
const sourceType = getURLType(source);
// Do no touch `scheme-relative`, `path-absolute` and `absolute` types
if (sourceType === 'path-relative') {
return _path.default.resolve(resourceContext, source);
}
return source;
});
return newMap;
}
exports.normalizeSourceMapAfterPostcss = normalizeSourceMapAfterPostcss;
//# sourceMappingURL=utils.js.map