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					553 lines
				
				21 KiB
			
		
		
			
		
	
	
					553 lines
				
				21 KiB
			| 
								 
											3 years ago
										 
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								import { encode, decode } from '@jridgewell/sourcemap-codec';
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								import resolveUri from '@jridgewell/resolve-uri';
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								function resolve(input, base) {
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								    // The base is always treated as a directory, if it's not empty.
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								    // https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327
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								    // https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401
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								    if (base && !base.endsWith('/'))
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								        base += '/';
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								    return resolveUri(input, base);
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								}
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								/**
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								 * Removes everything after the last "/", but leaves the slash.
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								 */
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								function stripFilename(path) {
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								    if (!path)
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								        return '';
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								    const index = path.lastIndexOf('/');
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								    return path.slice(0, index + 1);
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								}
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								const COLUMN = 0;
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								const SOURCES_INDEX = 1;
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								const SOURCE_LINE = 2;
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								const SOURCE_COLUMN = 3;
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								const NAMES_INDEX = 4;
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								const REV_GENERATED_LINE = 1;
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								const REV_GENERATED_COLUMN = 2;
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								function maybeSort(mappings, owned) {
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								    const unsortedIndex = nextUnsortedSegmentLine(mappings, 0);
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								    if (unsortedIndex === mappings.length)
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								        return mappings;
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								    // If we own the array (meaning we parsed it from JSON), then we're free to directly mutate it. If
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								    // not, we do not want to modify the consumer's input array.
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								    if (!owned)
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								        mappings = mappings.slice();
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								    for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) {
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								        mappings[i] = sortSegments(mappings[i], owned);
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								    }
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								    return mappings;
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								}
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								function nextUnsortedSegmentLine(mappings, start) {
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								    for (let i = start; i < mappings.length; i++) {
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								        if (!isSorted(mappings[i]))
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								            return i;
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								    }
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								    return mappings.length;
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								}
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								function isSorted(line) {
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								    for (let j = 1; j < line.length; j++) {
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								        if (line[j][COLUMN] < line[j - 1][COLUMN]) {
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								            return false;
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								        }
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								    }
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								    return true;
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								}
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								function sortSegments(line, owned) {
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								    if (!owned)
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								        line = line.slice();
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								    return line.sort(sortComparator);
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								}
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								function sortComparator(a, b) {
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								    return a[COLUMN] - b[COLUMN];
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								}
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								let found = false;
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								/**
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								 * A binary search implementation that returns the index if a match is found.
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								 * If no match is found, then the left-index (the index associated with the item that comes just
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								 * before the desired index) is returned. To maintain proper sort order, a splice would happen at
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								 * the next index:
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								 *
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								 * ```js
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								 * const array = [1, 3];
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								 * const needle = 2;
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								 * const index = binarySearch(array, needle, (item, needle) => item - needle);
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								 *
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								 * assert.equal(index, 0);
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								 * array.splice(index + 1, 0, needle);
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								 * assert.deepEqual(array, [1, 2, 3]);
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								 * ```
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								 */
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								function binarySearch(haystack, needle, low, high) {
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								    while (low <= high) {
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								        const mid = low + ((high - low) >> 1);
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								        const cmp = haystack[mid][COLUMN] - needle;
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								        if (cmp === 0) {
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								            found = true;
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								            return mid;
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								        }
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								        if (cmp < 0) {
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								            low = mid + 1;
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								        }
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								        else {
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								            high = mid - 1;
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								        }
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								    }
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								    found = false;
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								    return low - 1;
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								}
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								function upperBound(haystack, needle, index) {
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								    for (let i = index + 1; i < haystack.length; index = i++) {
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								        if (haystack[i][COLUMN] !== needle)
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								            break;
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								    }
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								    return index;
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								}
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								function lowerBound(haystack, needle, index) {
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								    for (let i = index - 1; i >= 0; index = i--) {
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								        if (haystack[i][COLUMN] !== needle)
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								            break;
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								    }
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								    return index;
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								}
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								function memoizedState() {
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								    return {
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								        lastKey: -1,
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								        lastNeedle: -1,
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								        lastIndex: -1,
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								    };
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								}
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								/**
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								 * This overly complicated beast is just to record the last tested line/column and the resulting
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								 * index, allowing us to skip a few tests if mappings are monotonically increasing.
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								 */
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								function memoizedBinarySearch(haystack, needle, state, key) {
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								    const { lastKey, lastNeedle, lastIndex } = state;
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								    let low = 0;
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								    let high = haystack.length - 1;
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								    if (key === lastKey) {
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								        if (needle === lastNeedle) {
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								            found = lastIndex !== -1 && haystack[lastIndex][COLUMN] === needle;
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								            return lastIndex;
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								        }
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								        if (needle >= lastNeedle) {
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								            // lastIndex may be -1 if the previous needle was not found.
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								            low = lastIndex === -1 ? 0 : lastIndex;
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								        }
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								        else {
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								            high = lastIndex;
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								        }
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								    }
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								    state.lastKey = key;
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								    state.lastNeedle = needle;
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								    return (state.lastIndex = binarySearch(haystack, needle, low, high));
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								}
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								// Rebuilds the original source files, with mappings that are ordered by source line/column instead
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								// of generated line/column.
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								function buildBySources(decoded, memos) {
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								    const sources = memos.map(buildNullArray);
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								    for (let i = 0; i < decoded.length; i++) {
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								        const line = decoded[i];
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								        for (let j = 0; j < line.length; j++) {
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								            const seg = line[j];
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								            if (seg.length === 1)
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								                continue;
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								            const sourceIndex = seg[SOURCES_INDEX];
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								            const sourceLine = seg[SOURCE_LINE];
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								            const sourceColumn = seg[SOURCE_COLUMN];
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								            const originalSource = sources[sourceIndex];
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								            const originalLine = (originalSource[sourceLine] || (originalSource[sourceLine] = []));
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								            const memo = memos[sourceIndex];
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								            // The binary search either found a match, or it found the left-index just before where the
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								            // segment should go. Either way, we want to insert after that. And there may be multiple
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								            // generated segments associated with an original location, so there may need to move several
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								            // indexes before we find where we need to insert.
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								            const index = upperBound(originalLine, sourceColumn, memoizedBinarySearch(originalLine, sourceColumn, memo, sourceLine));
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								            insert(originalLine, (memo.lastIndex = index + 1), [sourceColumn, i, seg[COLUMN]]);
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								        }
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								    }
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								    return sources;
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								}
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								function insert(array, index, value) {
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								    for (let i = array.length; i > index; i--) {
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								        array[i] = array[i - 1];
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								    }
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								    array[index] = value;
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								}
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								// Null arrays allow us to use ordered index keys without actually allocating contiguous memory like
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								// a real array. We use a null-prototype object to avoid prototype pollution and deoptimizations.
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								// Numeric properties on objects are magically sorted in ascending order by the engine regardless of
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								// the insertion order. So, by setting any numeric keys, even out of order, we'll get ascending
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								// order when iterating with for-in.
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								function buildNullArray() {
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								    return { __proto__: null };
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								}
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								const AnyMap = function (map, mapUrl) {
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								    const parsed = typeof map === 'string' ? JSON.parse(map) : map;
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								    if (!('sections' in parsed))
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								        return new TraceMap(parsed, mapUrl);
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								    const mappings = [];
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								    const sources = [];
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								    const sourcesContent = [];
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								    const names = [];
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								    recurse(parsed, mapUrl, mappings, sources, sourcesContent, names, 0, 0, Infinity, Infinity);
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								    const joined = {
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								        version: 3,
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								        file: parsed.file,
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								        names,
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								        sources,
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								        sourcesContent,
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								        mappings,
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								    };
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								    return presortedDecodedMap(joined);
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								};
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								function recurse(input, mapUrl, mappings, sources, sourcesContent, names, lineOffset, columnOffset, stopLine, stopColumn) {
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								    const { sections } = input;
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								    for (let i = 0; i < sections.length; i++) {
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								        const { map, offset } = sections[i];
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								        let sl = stopLine;
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								        let sc = stopColumn;
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								        if (i + 1 < sections.length) {
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								            const nextOffset = sections[i + 1].offset;
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								            sl = Math.min(stopLine, lineOffset + nextOffset.line);
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								            if (sl === stopLine) {
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								                sc = Math.min(stopColumn, columnOffset + nextOffset.column);
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								            }
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								            else if (sl < stopLine) {
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								                sc = columnOffset + nextOffset.column;
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								            }
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								        }
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								        addSection(map, mapUrl, mappings, sources, sourcesContent, names, lineOffset + offset.line, columnOffset + offset.column, sl, sc);
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								    }
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								}
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								function addSection(input, mapUrl, mappings, sources, sourcesContent, names, lineOffset, columnOffset, stopLine, stopColumn) {
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								    if ('sections' in input)
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								        return recurse(...arguments);
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								    const map = new TraceMap(input, mapUrl);
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								    const sourcesOffset = sources.length;
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								    const namesOffset = names.length;
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								    const decoded = decodedMappings(map);
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								    const { resolvedSources, sourcesContent: contents } = map;
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								    append(sources, resolvedSources);
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								    append(names, map.names);
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								    if (contents)
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								        append(sourcesContent, contents);
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								    else
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								        for (let i = 0; i < resolvedSources.length; i++)
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								            sourcesContent.push(null);
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								    for (let i = 0; i < decoded.length; i++) {
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								        const lineI = lineOffset + i;
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								        // We can only add so many lines before we step into the range that the next section's map
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								        // controls. When we get to the last line, then we'll start checking the segments to see if
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								        // they've crossed into the column range. But it may not have any columns that overstep, so we
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								        // still need to check that we don't overstep lines, too.
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								        if (lineI > stopLine)
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								            return;
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								        // The out line may already exist in mappings (if we're continuing the line started by a
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								        // previous section). Or, we may have jumped ahead several lines to start this section.
							 | 
						||
| 
								 | 
							
								        const out = getLine(mappings, lineI);
							 | 
						||
| 
								 | 
							
								        // On the 0th loop, the section's column offset shifts us forward. On all other lines (since the
							 | 
						||
| 
								 | 
							
								        // map can be multiple lines), it doesn't.
							 | 
						||
| 
								 | 
							
								        const cOffset = i === 0 ? columnOffset : 0;
							 | 
						||
| 
								 | 
							
								        const line = decoded[i];
							 | 
						||
| 
								 | 
							
								        for (let j = 0; j < line.length; j++) {
							 | 
						||
| 
								 | 
							
								            const seg = line[j];
							 | 
						||
| 
								 | 
							
								            const column = cOffset + seg[COLUMN];
							 | 
						||
| 
								 | 
							
								            // If this segment steps into the column range that the next section's map controls, we need
							 | 
						||
| 
								 | 
							
								            // to stop early.
							 | 
						||
| 
								 | 
							
								            if (lineI === stopLine && column >= stopColumn)
							 | 
						||
| 
								 | 
							
								                return;
							 | 
						||
| 
								 | 
							
								            if (seg.length === 1) {
							 | 
						||
| 
								 | 
							
								                out.push([column]);
							 | 
						||
| 
								 | 
							
								                continue;
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								            const sourcesIndex = sourcesOffset + seg[SOURCES_INDEX];
							 | 
						||
| 
								 | 
							
								            const sourceLine = seg[SOURCE_LINE];
							 | 
						||
| 
								 | 
							
								            const sourceColumn = seg[SOURCE_COLUMN];
							 | 
						||
| 
								 | 
							
								            out.push(seg.length === 4
							 | 
						||
| 
								 | 
							
								                ? [column, sourcesIndex, sourceLine, sourceColumn]
							 | 
						||
| 
								 | 
							
								                : [column, sourcesIndex, sourceLine, sourceColumn, namesOffset + seg[NAMES_INDEX]]);
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								function append(arr, other) {
							 | 
						||
| 
								 | 
							
								    for (let i = 0; i < other.length; i++)
							 | 
						||
| 
								 | 
							
								        arr.push(other[i]);
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								function getLine(arr, index) {
							 | 
						||
| 
								 | 
							
								    for (let i = arr.length; i <= index; i++)
							 | 
						||
| 
								 | 
							
								        arr[i] = [];
							 | 
						||
| 
								 | 
							
								    return arr[index];
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								const LINE_GTR_ZERO = '`line` must be greater than 0 (lines start at line 1)';
							 | 
						||
| 
								 | 
							
								const COL_GTR_EQ_ZERO = '`column` must be greater than or equal to 0 (columns start at column 0)';
							 | 
						||
| 
								 | 
							
								const LEAST_UPPER_BOUND = -1;
							 | 
						||
| 
								 | 
							
								const GREATEST_LOWER_BOUND = 1;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Returns the encoded (VLQ string) form of the SourceMap's mappings field.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let encodedMappings;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Returns the decoded (array of lines of segments) form of the SourceMap's mappings field.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let decodedMappings;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * A low-level API to find the segment associated with a generated line/column (think, from a
							 | 
						||
| 
								 | 
							
								 * stack trace). Line and column here are 0-based, unlike `originalPositionFor`.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let traceSegment;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * A higher-level API to find the source/line/column associated with a generated line/column
							 | 
						||
| 
								 | 
							
								 * (think, from a stack trace). Line is 1-based, but column is 0-based, due to legacy behavior in
							 | 
						||
| 
								 | 
							
								 * `source-map` library.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let originalPositionFor;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Finds the generated line/column position of the provided source/line/column source position.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let generatedPositionFor;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Finds all generated line/column positions of the provided source/line/column source position.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let allGeneratedPositionsFor;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Iterates each mapping in generated position order.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let eachMapping;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Retrieves the source content for a particular source, if its found. Returns null if not.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let sourceContentFor;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * A helper that skips sorting of the input map's mappings array, which can be expensive for larger
							 | 
						||
| 
								 | 
							
								 * maps.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let presortedDecodedMap;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
							 | 
						||
| 
								 | 
							
								 * a sourcemap, or to JSON.stringify.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let decodedMap;
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
							 | 
						||
| 
								 | 
							
								 * a sourcemap, or to JSON.stringify.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								let encodedMap;
							 | 
						||
| 
								 | 
							
								class TraceMap {
							 | 
						||
| 
								 | 
							
								    constructor(map, mapUrl) {
							 | 
						||
| 
								 | 
							
								        const isString = typeof map === 'string';
							 | 
						||
| 
								 | 
							
								        if (!isString && map._decodedMemo)
							 | 
						||
| 
								 | 
							
								            return map;
							 | 
						||
| 
								 | 
							
								        const parsed = (isString ? JSON.parse(map) : map);
							 | 
						||
| 
								 | 
							
								        const { version, file, names, sourceRoot, sources, sourcesContent } = parsed;
							 | 
						||
| 
								 | 
							
								        this.version = version;
							 | 
						||
| 
								 | 
							
								        this.file = file;
							 | 
						||
| 
								 | 
							
								        this.names = names;
							 | 
						||
| 
								 | 
							
								        this.sourceRoot = sourceRoot;
							 | 
						||
| 
								 | 
							
								        this.sources = sources;
							 | 
						||
| 
								 | 
							
								        this.sourcesContent = sourcesContent;
							 | 
						||
| 
								 | 
							
								        const from = resolve(sourceRoot || '', stripFilename(mapUrl));
							 | 
						||
| 
								 | 
							
								        this.resolvedSources = sources.map((s) => resolve(s || '', from));
							 | 
						||
| 
								 | 
							
								        const { mappings } = parsed;
							 | 
						||
| 
								 | 
							
								        if (typeof mappings === 'string') {
							 | 
						||
| 
								 | 
							
								            this._encoded = mappings;
							 | 
						||
| 
								 | 
							
								            this._decoded = undefined;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								        else {
							 | 
						||
| 
								 | 
							
								            this._encoded = undefined;
							 | 
						||
| 
								 | 
							
								            this._decoded = maybeSort(mappings, isString);
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								        this._decodedMemo = memoizedState();
							 | 
						||
| 
								 | 
							
								        this._bySources = undefined;
							 | 
						||
| 
								 | 
							
								        this._bySourceMemos = undefined;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								(() => {
							 | 
						||
| 
								 | 
							
								    encodedMappings = (map) => {
							 | 
						||
| 
								 | 
							
								        var _a;
							 | 
						||
| 
								 | 
							
								        return ((_a = map._encoded) !== null && _a !== void 0 ? _a : (map._encoded = encode(map._decoded)));
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    decodedMappings = (map) => {
							 | 
						||
| 
								 | 
							
								        return (map._decoded || (map._decoded = decode(map._encoded)));
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    traceSegment = (map, line, column) => {
							 | 
						||
| 
								 | 
							
								        const decoded = decodedMappings(map);
							 | 
						||
| 
								 | 
							
								        // It's common for parent source maps to have pointers to lines that have no
							 | 
						||
| 
								 | 
							
								        // mapping (like a "//# sourceMappingURL=") at the end of the child file.
							 | 
						||
| 
								 | 
							
								        if (line >= decoded.length)
							 | 
						||
| 
								 | 
							
								            return null;
							 | 
						||
| 
								 | 
							
								        const segments = decoded[line];
							 | 
						||
| 
								 | 
							
								        const index = traceSegmentInternal(segments, map._decodedMemo, line, column, GREATEST_LOWER_BOUND);
							 | 
						||
| 
								 | 
							
								        return index === -1 ? null : segments[index];
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    originalPositionFor = (map, { line, column, bias }) => {
							 | 
						||
| 
								 | 
							
								        line--;
							 | 
						||
| 
								 | 
							
								        if (line < 0)
							 | 
						||
| 
								 | 
							
								            throw new Error(LINE_GTR_ZERO);
							 | 
						||
| 
								 | 
							
								        if (column < 0)
							 | 
						||
| 
								 | 
							
								            throw new Error(COL_GTR_EQ_ZERO);
							 | 
						||
| 
								 | 
							
								        const decoded = decodedMappings(map);
							 | 
						||
| 
								 | 
							
								        // It's common for parent source maps to have pointers to lines that have no
							 | 
						||
| 
								 | 
							
								        // mapping (like a "//# sourceMappingURL=") at the end of the child file.
							 | 
						||
| 
								 | 
							
								        if (line >= decoded.length)
							 | 
						||
| 
								 | 
							
								            return OMapping(null, null, null, null);
							 | 
						||
| 
								 | 
							
								        const segments = decoded[line];
							 | 
						||
| 
								 | 
							
								        const index = traceSegmentInternal(segments, map._decodedMemo, line, column, bias || GREATEST_LOWER_BOUND);
							 | 
						||
| 
								 | 
							
								        if (index === -1)
							 | 
						||
| 
								 | 
							
								            return OMapping(null, null, null, null);
							 | 
						||
| 
								 | 
							
								        const segment = segments[index];
							 | 
						||
| 
								 | 
							
								        if (segment.length === 1)
							 | 
						||
| 
								 | 
							
								            return OMapping(null, null, null, null);
							 | 
						||
| 
								 | 
							
								        const { names, resolvedSources } = map;
							 | 
						||
| 
								 | 
							
								        return OMapping(resolvedSources[segment[SOURCES_INDEX]], segment[SOURCE_LINE] + 1, segment[SOURCE_COLUMN], segment.length === 5 ? names[segment[NAMES_INDEX]] : null);
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    allGeneratedPositionsFor = (map, { source, line, column, bias }) => {
							 | 
						||
| 
								 | 
							
								        // SourceMapConsumer uses LEAST_UPPER_BOUND for some reason, so we follow suit.
							 | 
						||
| 
								 | 
							
								        return generatedPosition(map, source, line, column, bias || LEAST_UPPER_BOUND, true);
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    generatedPositionFor = (map, { source, line, column, bias }) => {
							 | 
						||
| 
								 | 
							
								        return generatedPosition(map, source, line, column, bias || GREATEST_LOWER_BOUND, false);
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    eachMapping = (map, cb) => {
							 | 
						||
| 
								 | 
							
								        const decoded = decodedMappings(map);
							 | 
						||
| 
								 | 
							
								        const { names, resolvedSources } = map;
							 | 
						||
| 
								 | 
							
								        for (let i = 0; i < decoded.length; i++) {
							 | 
						||
| 
								 | 
							
								            const line = decoded[i];
							 | 
						||
| 
								 | 
							
								            for (let j = 0; j < line.length; j++) {
							 | 
						||
| 
								 | 
							
								                const seg = line[j];
							 | 
						||
| 
								 | 
							
								                const generatedLine = i + 1;
							 | 
						||
| 
								 | 
							
								                const generatedColumn = seg[0];
							 | 
						||
| 
								 | 
							
								                let source = null;
							 | 
						||
| 
								 | 
							
								                let originalLine = null;
							 | 
						||
| 
								 | 
							
								                let originalColumn = null;
							 | 
						||
| 
								 | 
							
								                let name = null;
							 | 
						||
| 
								 | 
							
								                if (seg.length !== 1) {
							 | 
						||
| 
								 | 
							
								                    source = resolvedSources[seg[1]];
							 | 
						||
| 
								 | 
							
								                    originalLine = seg[2] + 1;
							 | 
						||
| 
								 | 
							
								                    originalColumn = seg[3];
							 | 
						||
| 
								 | 
							
								                }
							 | 
						||
| 
								 | 
							
								                if (seg.length === 5)
							 | 
						||
| 
								 | 
							
								                    name = names[seg[4]];
							 | 
						||
| 
								 | 
							
								                cb({
							 | 
						||
| 
								 | 
							
								                    generatedLine,
							 | 
						||
| 
								 | 
							
								                    generatedColumn,
							 | 
						||
| 
								 | 
							
								                    source,
							 | 
						||
| 
								 | 
							
								                    originalLine,
							 | 
						||
| 
								 | 
							
								                    originalColumn,
							 | 
						||
| 
								 | 
							
								                    name,
							 | 
						||
| 
								 | 
							
								                });
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    sourceContentFor = (map, source) => {
							 | 
						||
| 
								 | 
							
								        const { sources, resolvedSources, sourcesContent } = map;
							 | 
						||
| 
								 | 
							
								        if (sourcesContent == null)
							 | 
						||
| 
								 | 
							
								            return null;
							 | 
						||
| 
								 | 
							
								        let index = sources.indexOf(source);
							 | 
						||
| 
								 | 
							
								        if (index === -1)
							 | 
						||
| 
								 | 
							
								            index = resolvedSources.indexOf(source);
							 | 
						||
| 
								 | 
							
								        return index === -1 ? null : sourcesContent[index];
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    presortedDecodedMap = (map, mapUrl) => {
							 | 
						||
| 
								 | 
							
								        const tracer = new TraceMap(clone(map, []), mapUrl);
							 | 
						||
| 
								 | 
							
								        tracer._decoded = map.mappings;
							 | 
						||
| 
								 | 
							
								        return tracer;
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    decodedMap = (map) => {
							 | 
						||
| 
								 | 
							
								        return clone(map, decodedMappings(map));
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    encodedMap = (map) => {
							 | 
						||
| 
								 | 
							
								        return clone(map, encodedMappings(map));
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    function generatedPosition(map, source, line, column, bias, all) {
							 | 
						||
| 
								 | 
							
								        line--;
							 | 
						||
| 
								 | 
							
								        if (line < 0)
							 | 
						||
| 
								 | 
							
								            throw new Error(LINE_GTR_ZERO);
							 | 
						||
| 
								 | 
							
								        if (column < 0)
							 | 
						||
| 
								 | 
							
								            throw new Error(COL_GTR_EQ_ZERO);
							 | 
						||
| 
								 | 
							
								        const { sources, resolvedSources } = map;
							 | 
						||
| 
								 | 
							
								        let sourceIndex = sources.indexOf(source);
							 | 
						||
| 
								 | 
							
								        if (sourceIndex === -1)
							 | 
						||
| 
								 | 
							
								            sourceIndex = resolvedSources.indexOf(source);
							 | 
						||
| 
								 | 
							
								        if (sourceIndex === -1)
							 | 
						||
| 
								 | 
							
								            return all ? [] : GMapping(null, null);
							 | 
						||
| 
								 | 
							
								        const generated = (map._bySources || (map._bySources = buildBySources(decodedMappings(map), (map._bySourceMemos = sources.map(memoizedState)))));
							 | 
						||
| 
								 | 
							
								        const segments = generated[sourceIndex][line];
							 | 
						||
| 
								 | 
							
								        if (segments == null)
							 | 
						||
| 
								 | 
							
								            return all ? [] : GMapping(null, null);
							 | 
						||
| 
								 | 
							
								        const memo = map._bySourceMemos[sourceIndex];
							 | 
						||
| 
								 | 
							
								        if (all)
							 | 
						||
| 
								 | 
							
								            return sliceGeneratedPositions(segments, memo, line, column, bias);
							 | 
						||
| 
								 | 
							
								        const index = traceSegmentInternal(segments, memo, line, column, bias);
							 | 
						||
| 
								 | 
							
								        if (index === -1)
							 | 
						||
| 
								 | 
							
								            return GMapping(null, null);
							 | 
						||
| 
								 | 
							
								        const segment = segments[index];
							 | 
						||
| 
								 | 
							
								        return GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]);
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								})();
							 | 
						||
| 
								 | 
							
								function clone(map, mappings) {
							 | 
						||
| 
								 | 
							
								    return {
							 | 
						||
| 
								 | 
							
								        version: map.version,
							 | 
						||
| 
								 | 
							
								        file: map.file,
							 | 
						||
| 
								 | 
							
								        names: map.names,
							 | 
						||
| 
								 | 
							
								        sourceRoot: map.sourceRoot,
							 | 
						||
| 
								 | 
							
								        sources: map.sources,
							 | 
						||
| 
								 | 
							
								        sourcesContent: map.sourcesContent,
							 | 
						||
| 
								 | 
							
								        mappings,
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								function OMapping(source, line, column, name) {
							 | 
						||
| 
								 | 
							
								    return { source, line, column, name };
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								function GMapping(line, column) {
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						||
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								 | 
							
								    return { line, column };
							 | 
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| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								function traceSegmentInternal(segments, memo, line, column, bias) {
							 | 
						||
| 
								 | 
							
								    let index = memoizedBinarySearch(segments, column, memo, line);
							 | 
						||
| 
								 | 
							
								    if (found) {
							 | 
						||
| 
								 | 
							
								        index = (bias === LEAST_UPPER_BOUND ? upperBound : lowerBound)(segments, column, index);
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								    else if (bias === LEAST_UPPER_BOUND)
							 | 
						||
| 
								 | 
							
								        index++;
							 | 
						||
| 
								 | 
							
								    if (index === -1 || index === segments.length)
							 | 
						||
| 
								 | 
							
								        return -1;
							 | 
						||
| 
								 | 
							
								    return index;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								function sliceGeneratedPositions(segments, memo, line, column, bias) {
							 | 
						||
| 
								 | 
							
								    let min = traceSegmentInternal(segments, memo, line, column, GREATEST_LOWER_BOUND);
							 | 
						||
| 
								 | 
							
								    // We ignored the bias when tracing the segment so that we're guarnateed to find the first (in
							 | 
						||
| 
								 | 
							
								    // insertion order) segment that matched. Even if we did respect the bias when tracing, we would
							 | 
						||
| 
								 | 
							
								    // still need to call `lowerBound()` to find the first segment, which is slower than just looking
							 | 
						||
| 
								 | 
							
								    // for the GREATEST_LOWER_BOUND to begin with. The only difference that matters for us is when the
							 | 
						||
| 
								 | 
							
								    // binary search didn't match, in which case GREATEST_LOWER_BOUND just needs to increment to
							 | 
						||
| 
								 | 
							
								    // match LEAST_UPPER_BOUND.
							 | 
						||
| 
								 | 
							
								    if (!found && bias === LEAST_UPPER_BOUND)
							 | 
						||
| 
								 | 
							
								        min++;
							 | 
						||
| 
								 | 
							
								    if (min === -1 || min === segments.length)
							 | 
						||
| 
								 | 
							
								        return [];
							 | 
						||
| 
								 | 
							
								    // We may have found the segment that started at an earlier column. If this is the case, then we
							 | 
						||
| 
								 | 
							
								    // need to slice all generated segments that match _that_ column, because all such segments span
							 | 
						||
| 
								 | 
							
								    // to our desired column.
							 | 
						||
| 
								 | 
							
								    const matchedColumn = found ? column : segments[min][COLUMN];
							 | 
						||
| 
								 | 
							
								    // The binary search is not guaranteed to find the lower bound when a match wasn't found.
							 | 
						||
| 
								 | 
							
								    if (!found)
							 | 
						||
| 
								 | 
							
								        min = lowerBound(segments, matchedColumn, min);
							 | 
						||
| 
								 | 
							
								    const max = upperBound(segments, matchedColumn, min);
							 | 
						||
| 
								 | 
							
								    const result = [];
							 | 
						||
| 
								 | 
							
								    for (; min <= max; min++) {
							 | 
						||
| 
								 | 
							
								        const segment = segments[min];
							 | 
						||
| 
								 | 
							
								        result.push(GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]));
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								    return result;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								export { AnyMap, GREATEST_LOWER_BOUND, LEAST_UPPER_BOUND, TraceMap, allGeneratedPositionsFor, decodedMap, decodedMappings, eachMapping, encodedMap, encodedMappings, generatedPositionFor, originalPositionFor, presortedDecodedMap, sourceContentFor, traceSegment };
							 | 
						||
| 
								 | 
							
								//# sourceMappingURL=trace-mapping.mjs.map
							 |