node fixes, updates

1 files changed, 1242 insertions, 0 deletions

diff --git a/node_modules/@jridgewell/source-map/dist/source-map.umd.js b/node_modules/@jridgewell/source-map/dist/source-map.umd.js
new file mode 100644
index 00000000..70594c2a
--- /dev/null
+++ b/node_modules/@jridgewell/source-map/dist/source-map.umd.js
@@ -0,0 +1,1242 @@
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+    typeof define === 'function' && define.amd ? define(['exports'], factory) :
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.sourceMap = {}));
+})(this, (function (exports) { 'use strict';
+
+    const comma = ','.charCodeAt(0);
+    const semicolon = ';'.charCodeAt(0);
+    const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+    const intToChar = new Uint8Array(64); // 64 possible chars.
+    const charToInt = new Uint8Array(128); // z is 122 in ASCII
+    for (let i = 0; i < chars.length; i++) {
+        const c = chars.charCodeAt(i);
+        intToChar[i] = c;
+        charToInt[c] = i;
+    }
+    // Provide a fallback for older environments.
+    const td = typeof TextDecoder !== 'undefined'
+        ? /* #__PURE__ */ new TextDecoder()
+        : typeof Buffer !== 'undefined'
+            ? {
+                decode(buf) {
+                    const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
+                    return out.toString();
+                },
+            }
+            : {
+                decode(buf) {
+                    let out = '';
+                    for (let i = 0; i < buf.length; i++) {
+                        out += String.fromCharCode(buf[i]);
+                    }
+                    return out;
+                },
+            };
+    function decode(mappings) {
+        const state = new Int32Array(5);
+        const decoded = [];
+        let index = 0;
+        do {
+            const semi = indexOf(mappings, index);
+            const line = [];
+            let sorted = true;
+            let lastCol = 0;
+            state[0] = 0;
+            for (let i = index; i < semi; i++) {
+                let seg;
+                i = decodeInteger(mappings, i, state, 0); // genColumn
+                const col = state[0];
+                if (col < lastCol)
+                    sorted = false;
+                lastCol = col;
+                if (hasMoreVlq(mappings, i, semi)) {
+                    i = decodeInteger(mappings, i, state, 1); // sourcesIndex
+                    i = decodeInteger(mappings, i, state, 2); // sourceLine
+                    i = decodeInteger(mappings, i, state, 3); // sourceColumn
+                    if (hasMoreVlq(mappings, i, semi)) {
+                        i = decodeInteger(mappings, i, state, 4); // namesIndex
+                        seg = [col, state[1], state[2], state[3], state[4]];
+                    }
+                    else {
+                        seg = [col, state[1], state[2], state[3]];
+                    }
+                }
+                else {
+                    seg = [col];
+                }
+                line.push(seg);
+            }
+            if (!sorted)
+                sort(line);
+            decoded.push(line);
+            index = semi + 1;
+        } while (index <= mappings.length);
+        return decoded;
+    }
+    function indexOf(mappings, index) {
+        const idx = mappings.indexOf(';', index);
+        return idx === -1 ? mappings.length : idx;
+    }
+    function decodeInteger(mappings, pos, state, j) {
+        let value = 0;
+        let shift = 0;
+        let integer = 0;
+        do {
+            const c = mappings.charCodeAt(pos++);
+            integer = charToInt[c];
+            value |= (integer & 31) << shift;
+            shift += 5;
+        } while (integer & 32);
+        const shouldNegate = value & 1;
+        value >>>= 1;
+        if (shouldNegate) {
+            value = -0x80000000 | -value;
+        }
+        state[j] += value;
+        return pos;
+    }
+    function hasMoreVlq(mappings, i, length) {
+        if (i >= length)
+            return false;
+        return mappings.charCodeAt(i) !== comma;
+    }
+    function sort(line) {
+        line.sort(sortComparator$1);
+    }
+    function sortComparator$1(a, b) {
+        return a[0] - b[0];
+    }
+    function encode(decoded) {
+        const state = new Int32Array(5);
+        const bufLength = 1024 * 16;
+        const subLength = bufLength - 36;
+        const buf = new Uint8Array(bufLength);
+        const sub = buf.subarray(0, subLength);
+        let pos = 0;
+        let out = '';
+        for (let i = 0; i < decoded.length; i++) {
+            const line = decoded[i];
+            if (i > 0) {
+                if (pos === bufLength) {
+                    out += td.decode(buf);
+                    pos = 0;
+                }
+                buf[pos++] = semicolon;
+            }
+            if (line.length === 0)
+                continue;
+            state[0] = 0;
+            for (let j = 0; j < line.length; j++) {
+                const segment = line[j];
+                // We can push up to 5 ints, each int can take at most 7 chars, and we
+                // may push a comma.
+                if (pos > subLength) {
+                    out += td.decode(sub);
+                    buf.copyWithin(0, subLength, pos);
+                    pos -= subLength;
+                }
+                if (j > 0)
+                    buf[pos++] = comma;
+                pos = encodeInteger(buf, pos, state, segment, 0); // genColumn
+                if (segment.length === 1)
+                    continue;
+                pos = encodeInteger(buf, pos, state, segment, 1); // sourcesIndex
+                pos = encodeInteger(buf, pos, state, segment, 2); // sourceLine
+                pos = encodeInteger(buf, pos, state, segment, 3); // sourceColumn
+                if (segment.length === 4)
+                    continue;
+                pos = encodeInteger(buf, pos, state, segment, 4); // namesIndex
+            }
+        }
+        return out + td.decode(buf.subarray(0, pos));
+    }
+    function encodeInteger(buf, pos, state, segment, j) {
+        const next = segment[j];
+        let num = next - state[j];
+        state[j] = next;
+        num = num < 0 ? (-num << 1) | 1 : num << 1;
+        do {
+            let clamped = num & 0b011111;
+            num >>>= 5;
+            if (num > 0)
+                clamped |= 0b100000;
+            buf[pos++] = intToChar[clamped];
+        } while (num > 0);
+        return pos;
+    }
+
+    // Matches the scheme of a URL, eg "http://"
+    const schemeRegex = /^[\w+.-]+:\/\//;
+    /**
+     * Matches the parts of a URL:
+     * 1. Scheme, including ":", guaranteed.
+     * 2. User/password, including "@", optional.
+     * 3. Host, guaranteed.
+     * 4. Port, including ":", optional.
+     * 5. Path, including "/", optional.
+     * 6. Query, including "?", optional.
+     * 7. Hash, including "#", optional.
+     */
+    const urlRegex = /^([\w+.-]+:)\/\/([^@/#?]*@)?([^:/#?]*)(:\d+)?(\/[^#?]*)?(\?[^#]*)?(#.*)?/;
+    /**
+     * File URLs are weird. They dont' need the regular `//` in the scheme, they may or may not start
+     * with a leading `/`, they can have a domain (but only if they don't start with a Windows drive).
+     *
+     * 1. Host, optional.
+     * 2. Path, which may include "/", guaranteed.
+     * 3. Query, including "?", optional.
+     * 4. Hash, including "#", optional.
+     */
+    const fileRegex = /^file:(?:\/\/((?![a-z]:)[^/#?]*)?)?(\/?[^#?]*)(\?[^#]*)?(#.*)?/i;
+    function isAbsoluteUrl(input) {
+        return schemeRegex.test(input);
+    }
+    function isSchemeRelativeUrl(input) {
+        return input.startsWith('//');
+    }
+    function isAbsolutePath(input) {
+        return input.startsWith('/');
+    }
+    function isFileUrl(input) {
+        return input.startsWith('file:');
+    }
+    function isRelative(input) {
+        return /^[.?#]/.test(input);
+    }
+    function parseAbsoluteUrl(input) {
+        const match = urlRegex.exec(input);
+        return makeUrl(match[1], match[2] || '', match[3], match[4] || '', match[5] || '/', match[6] || '', match[7] || '');
+    }
+    function parseFileUrl(input) {
+        const match = fileRegex.exec(input);
+        const path = match[2];
+        return makeUrl('file:', '', match[1] || '', '', isAbsolutePath(path) ? path : '/' + path, match[3] || '', match[4] || '');
+    }
+    function makeUrl(scheme, user, host, port, path, query, hash) {
+        return {
+            scheme,
+            user,
+            host,
+            port,
+            path,
+            query,
+            hash,
+            type: 7 /* Absolute */,
+        };
+    }
+    function parseUrl(input) {
+        if (isSchemeRelativeUrl(input)) {
+            const url = parseAbsoluteUrl('http:' + input);
+            url.scheme = '';
+            url.type = 6 /* SchemeRelative */;
+            return url;
+        }
+        if (isAbsolutePath(input)) {
+            const url = parseAbsoluteUrl('http://foo.com' + input);
+            url.scheme = '';
+            url.host = '';
+            url.type = 5 /* AbsolutePath */;
+            return url;
+        }
+        if (isFileUrl(input))
+            return parseFileUrl(input);
+        if (isAbsoluteUrl(input))
+            return parseAbsoluteUrl(input);
+        const url = parseAbsoluteUrl('http://foo.com/' + input);
+        url.scheme = '';
+        url.host = '';
+        url.type = input
+            ? input.startsWith('?')
+                ? 3 /* Query */
+                : input.startsWith('#')
+                    ? 2 /* Hash */
+                    : 4 /* RelativePath */
+            : 1 /* Empty */;
+        return url;
+    }
+    function stripPathFilename(path) {
+        // If a path ends with a parent directory "..", then it's a relative path with excess parent
+        // paths. It's not a file, so we can't strip it.
+        if (path.endsWith('/..'))
+            return path;
+        const index = path.lastIndexOf('/');
+        return path.slice(0, index + 1);
+    }
+    function mergePaths(url, base) {
+        normalizePath(base, base.type);
+        // If the path is just a "/", then it was an empty path to begin with (remember, we're a relative
+        // path).
+        if (url.path === '/') {
+            url.path = base.path;
+        }
+        else {
+            // Resolution happens relative to the base path's directory, not the file.
+            url.path = stripPathFilename(base.path) + url.path;
+        }
+    }
+    /**
+     * The path can have empty directories "//", unneeded parents "foo/..", or current directory
+     * "foo/.". We need to normalize to a standard representation.
+     */
+    function normalizePath(url, type) {
+        const rel = type <= 4 /* RelativePath */;
+        const pieces = url.path.split('/');
+        // We need to preserve the first piece always, so that we output a leading slash. The item at
+        // pieces[0] is an empty string.
+        let pointer = 1;
+        // Positive is the number of real directories we've output, used for popping a parent directory.
+        // Eg, "foo/bar/.." will have a positive 2, and we can decrement to be left with just "foo".
+        let positive = 0;
+        // We need to keep a trailing slash if we encounter an empty directory (eg, splitting "foo/" will
+        // generate `["foo", ""]` pieces). And, if we pop a parent directory. But once we encounter a
+        // real directory, we won't need to append, unless the other conditions happen again.
+        let addTrailingSlash = false;
+        for (let i = 1; i < pieces.length; i++) {
+            const piece = pieces[i];
+            // An empty directory, could be a trailing slash, or just a double "//" in the path.
+            if (!piece) {
+                addTrailingSlash = true;
+                continue;
+            }
+            // If we encounter a real directory, then we don't need to append anymore.
+            addTrailingSlash = false;
+            // A current directory, which we can always drop.
+            if (piece === '.')
+                continue;
+            // A parent directory, we need to see if there are any real directories we can pop. Else, we
+            // have an excess of parents, and we'll need to keep the "..".
+            if (piece === '..') {
+                if (positive) {
+                    addTrailingSlash = true;
+                    positive--;
+                    pointer--;
+                }
+                else if (rel) {
+                    // If we're in a relativePath, then we need to keep the excess parents. Else, in an absolute
+                    // URL, protocol relative URL, or an absolute path, we don't need to keep excess.
+                    pieces[pointer++] = piece;
+                }
+                continue;
+            }
+            // We've encountered a real directory. Move it to the next insertion pointer, which accounts for
+            // any popped or dropped directories.
+            pieces[pointer++] = piece;
+            positive++;
+        }
+        let path = '';
+        for (let i = 1; i < pointer; i++) {
+            path += '/' + pieces[i];
+        }
+        if (!path || (addTrailingSlash && !path.endsWith('/..'))) {
+            path += '/';
+        }
+        url.path = path;
+    }
+    /**
+     * Attempts to resolve `input` URL/path relative to `base`.
+     */
+    function resolve$1(input, base) {
+        if (!input && !base)
+            return '';
+        const url = parseUrl(input);
+        let inputType = url.type;
+        if (base && inputType !== 7 /* Absolute */) {
+            const baseUrl = parseUrl(base);
+            const baseType = baseUrl.type;
+            switch (inputType) {
+                case 1 /* Empty */:
+                    url.hash = baseUrl.hash;
+                // fall through
+                case 2 /* Hash */:
+                    url.query = baseUrl.query;
+                // fall through
+                case 3 /* Query */:
+                case 4 /* RelativePath */:
+                    mergePaths(url, baseUrl);
+                // fall through
+                case 5 /* AbsolutePath */:
+                    // The host, user, and port are joined, you can't copy one without the others.
+                    url.user = baseUrl.user;
+                    url.host = baseUrl.host;
+                    url.port = baseUrl.port;
+                // fall through
+                case 6 /* SchemeRelative */:
+                    // The input doesn't have a schema at least, so we need to copy at least that over.
+                    url.scheme = baseUrl.scheme;
+            }
+            if (baseType > inputType)
+                inputType = baseType;
+        }
+        normalizePath(url, inputType);
+        const queryHash = url.query + url.hash;
+        switch (inputType) {
+            // This is impossible, because of the empty checks at the start of the function.
+            // case UrlType.Empty:
+            case 2 /* Hash */:
+            case 3 /* Query */:
+                return queryHash;
+            case 4 /* RelativePath */: {
+                // The first char is always a "/", and we need it to be relative.
+                const path = url.path.slice(1);
+                if (!path)
+                    return queryHash || '.';
+                if (isRelative(base || input) && !isRelative(path)) {
+                    // If base started with a leading ".", or there is no base and input started with a ".",
+                    // then we need to ensure that the relative path starts with a ".". We don't know if
+                    // relative starts with a "..", though, so check before prepending.
+                    return './' + path + queryHash;
+                }
+                return path + queryHash;
+            }
+            case 5 /* AbsolutePath */:
+                return url.path + queryHash;
+            default:
+                return url.scheme + '//' + url.user + url.host + url.port + url.path + queryHash;
+        }
+    }
+
+    function resolve(input, base) {
+        // The base is always treated as a directory, if it's not empty.
+        // https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327
+        // https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401
+        if (base && !base.endsWith('/'))
+            base += '/';
+        return resolve$1(input, base);
+    }
+
+    /**
+     * Removes everything after the last "/", but leaves the slash.
+     */
+    function stripFilename(path) {
+        if (!path)
+            return '';
+        const index = path.lastIndexOf('/');
+        return path.slice(0, index + 1);
+    }
+
+    const COLUMN$1 = 0;
+    const SOURCES_INDEX$1 = 1;
+    const SOURCE_LINE$1 = 2;
+    const SOURCE_COLUMN$1 = 3;
+    const NAMES_INDEX$1 = 4;
+    const REV_GENERATED_LINE = 1;
+    const REV_GENERATED_COLUMN = 2;
+
+    function maybeSort(mappings, owned) {
+        const unsortedIndex = nextUnsortedSegmentLine(mappings, 0);
+        if (unsortedIndex === mappings.length)
+            return mappings;
+        // If we own the array (meaning we parsed it from JSON), then we're free to directly mutate it. If
+        // not, we do not want to modify the consumer's input array.
+        if (!owned)
+            mappings = mappings.slice();
+        for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) {
+            mappings[i] = sortSegments(mappings[i], owned);
+        }
+        return mappings;
+    }
+    function nextUnsortedSegmentLine(mappings, start) {
+        for (let i = start; i < mappings.length; i++) {
+            if (!isSorted(mappings[i]))
+                return i;
+        }
+        return mappings.length;
+    }
+    function isSorted(line) {
+        for (let j = 1; j < line.length; j++) {
+            if (line[j][COLUMN$1] < line[j - 1][COLUMN$1]) {
+                return false;
+            }
+        }
+        return true;
+    }
+    function sortSegments(line, owned) {
+        if (!owned)
+            line = line.slice();
+        return line.sort(sortComparator);
+    }
+    function sortComparator(a, b) {
+        return a[COLUMN$1] - b[COLUMN$1];
+    }
+
+    let found = false;
+    /**
+     * A binary search implementation that returns the index if a match is found.
+     * If no match is found, then the left-index (the index associated with the item that comes just
+     * before the desired index) is returned. To maintain proper sort order, a splice would happen at
+     * the next index:
+     *
+     * ```js
+     * const array = [1, 3];
+     * const needle = 2;
+     * const index = binarySearch(array, needle, (item, needle) => item - needle);
+     *
+     * assert.equal(index, 0);
+     * array.splice(index + 1, 0, needle);
+     * assert.deepEqual(array, [1, 2, 3]);
+     * ```
+     */
+    function binarySearch(haystack, needle, low, high) {
+        while (low <= high) {
+            const mid = low + ((high - low) >> 1);
+            const cmp = haystack[mid][COLUMN$1] - needle;
+            if (cmp === 0) {
+                found = true;
+                return mid;
+            }
+            if (cmp < 0) {
+                low = mid + 1;
+            }
+            else {
+                high = mid - 1;
+            }
+        }
+        found = false;
+        return low - 1;
+    }
+    function upperBound(haystack, needle, index) {
+        for (let i = index + 1; i < haystack.length; index = i++) {
+            if (haystack[i][COLUMN$1] !== needle)
+                break;
+        }
+        return index;
+    }
+    function lowerBound(haystack, needle, index) {
+        for (let i = index - 1; i >= 0; index = i--) {
+            if (haystack[i][COLUMN$1] !== needle)
+                break;
+        }
+        return index;
+    }
+    function memoizedState() {
+        return {
+            lastKey: -1,
+            lastNeedle: -1,
+            lastIndex: -1,
+        };
+    }
+    /**
+     * This overly complicated beast is just to record the last tested line/column and the resulting
+     * index, allowing us to skip a few tests if mappings are monotonically increasing.
+     */
+    function memoizedBinarySearch(haystack, needle, state, key) {
+        const { lastKey, lastNeedle, lastIndex } = state;
+        let low = 0;
+        let high = haystack.length - 1;
+        if (key === lastKey) {
+            if (needle === lastNeedle) {
+                found = lastIndex !== -1 && haystack[lastIndex][COLUMN$1] === needle;
+                return lastIndex;
+            }
+            if (needle >= lastNeedle) {
+                // lastIndex may be -1 if the previous needle was not found.
+                low = lastIndex === -1 ? 0 : lastIndex;
+            }
+            else {
+                high = lastIndex;
+            }
+        }
+        state.lastKey = key;
+        state.lastNeedle = needle;
+        return (state.lastIndex = binarySearch(haystack, needle, low, high));
+    }
+
+    // Rebuilds the original source files, with mappings that are ordered by source line/column instead
+    // of generated line/column.
+    function buildBySources(decoded, memos) {
+        const sources = memos.map(buildNullArray);
+        for (let i = 0; i < decoded.length; i++) {
+            const line = decoded[i];
+            for (let j = 0; j < line.length; j++) {
+                const seg = line[j];
+                if (seg.length === 1)
+                    continue;
+                const sourceIndex = seg[SOURCES_INDEX$1];
+                const sourceLine = seg[SOURCE_LINE$1];
+                const sourceColumn = seg[SOURCE_COLUMN$1];
+                const originalSource = sources[sourceIndex];
+                const originalLine = (originalSource[sourceLine] || (originalSource[sourceLine] = []));
+                const memo = memos[sourceIndex];
+                // The binary search either found a match, or it found the left-index just before where the
+                // segment should go. Either way, we want to insert after that. And there may be multiple
+                // generated segments associated with an original location, so there may need to move several
+                // indexes before we find where we need to insert.
+                let index = upperBound(originalLine, sourceColumn, memoizedBinarySearch(originalLine, sourceColumn, memo, sourceLine));
+                memo.lastIndex = ++index;
+                insert$1(originalLine, index, [sourceColumn, i, seg[COLUMN$1]]);
+            }
+        }
+        return sources;
+    }
+    function insert$1(array, index, value) {
+        for (let i = array.length; i > index; i--) {
+            array[i] = array[i - 1];
+        }
+        array[index] = value;
+    }
+    // Null arrays allow us to use ordered index keys without actually allocating contiguous memory like
+    // a real array. We use a null-prototype object to avoid prototype pollution and deoptimizations.
+    // Numeric properties on objects are magically sorted in ascending order by the engine regardless of
+    // the insertion order. So, by setting any numeric keys, even out of order, we'll get ascending
+    // order when iterating with for-in.
+    function buildNullArray() {
+        return { __proto__: null };
+    }
+
+    const AnyMap = function (map, mapUrl) {
+        const parsed = parse(map);
+        if (!('sections' in parsed)) {
+            return new TraceMap(parsed, mapUrl);
+        }
+        const mappings = [];
+        const sources = [];
+        const sourcesContent = [];
+        const names = [];
+        const ignoreList = [];
+        recurse(parsed, mapUrl, mappings, sources, sourcesContent, names, ignoreList, 0, 0, Infinity, Infinity);
+        const joined = {
+            version: 3,
+            file: parsed.file,
+            names,
+            sources,
+            sourcesContent,
+            mappings,
+            ignoreList,
+        };
+        return presortedDecodedMap(joined);
+    };
+    function parse(map) {
+        return typeof map === 'string' ? JSON.parse(map) : map;
+    }
+    function recurse(input, mapUrl, mappings, sources, sourcesContent, names, ignoreList, lineOffset, columnOffset, stopLine, stopColumn) {
+        const { sections } = input;
+        for (let i = 0; i < sections.length; i++) {
+            const { map, offset } = sections[i];
+            let sl = stopLine;
+            let sc = stopColumn;
+            if (i + 1 < sections.length) {
+                const nextOffset = sections[i + 1].offset;
+                sl = Math.min(stopLine, lineOffset + nextOffset.line);
+                if (sl === stopLine) {
+                    sc = Math.min(stopColumn, columnOffset + nextOffset.column);
+                }
+                else if (sl < stopLine) {
+                    sc = columnOffset + nextOffset.column;
+                }
+            }
+            addSection(map, mapUrl, mappings, sources, sourcesContent, names, ignoreList, lineOffset + offset.line, columnOffset + offset.column, sl, sc);
+        }
+    }
+    function addSection(input, mapUrl, mappings, sources, sourcesContent, names, ignoreList, lineOffset, columnOffset, stopLine, stopColumn) {
+        const parsed = parse(input);
+        if ('sections' in parsed)
+            return recurse(...arguments);
+        const map = new TraceMap(parsed, mapUrl);
+        const sourcesOffset = sources.length;
+        const namesOffset = names.length;
+        const decoded = decodedMappings(map);
+        const { resolvedSources, sourcesContent: contents, ignoreList: ignores } = map;
+        append(sources, resolvedSources);
+        append(names, map.names);
+        if (contents)
+            append(sourcesContent, contents);
+        else
+            for (let i = 0; i < resolvedSources.length; i++)
+                sourcesContent.push(null);
+        if (ignores)
+            for (let i = 0; i < ignores.length; i++)
+                ignoreList.push(ignores[i] + sourcesOffset);
+        for (let i = 0; i < decoded.length; i++) {
+            const lineI = lineOffset + i;
+            // We can only add so many lines before we step into the range that the next section's map
+            // controls. When we get to the last line, then we'll start checking the segments to see if
+            // they've crossed into the column range. But it may not have any columns that overstep, so we
+            // still need to check that we don't overstep lines, too.
+            if (lineI > stopLine)
+                return;
+            // The out line may already exist in mappings (if we're continuing the line started by a
+            // previous section). Or, we may have jumped ahead several lines to start this section.
+            const out = getLine$1(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$1];
+                // 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$1];
+                const sourceLine = seg[SOURCE_LINE$1];
+                const sourceColumn = seg[SOURCE_COLUMN$1];
+                out.push(seg.length === 4
+                    ? [column, sourcesIndex, sourceLine, sourceColumn]
+                    : [column, sourcesIndex, sourceLine, sourceColumn, namesOffset + seg[NAMES_INDEX$1]]);
+            }
+        }
+    }
+    function append(arr, other) {
+        for (let i = 0; i < other.length; i++)
+            arr.push(other[i]);
+    }
+    function getLine$1(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;
+    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;
+            this.ignoreList = parsed.ignoreList || parsed.x_google_ignoreList || undefined;
+            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;
+        }
+    }
+    /**
+     * Typescript doesn't allow friend access to private fields, so this just casts the map into a type
+     * with public access modifiers.
+     */
+    function cast$2(map) {
+        return map;
+    }
+    /**
+     * Returns the encoded (VLQ string) form of the SourceMap's mappings field.
+     */
+    function encodedMappings(map) {
+        var _a;
+        var _b;
+        return ((_a = (_b = cast$2(map))._encoded) !== null && _a !== void 0 ? _a : (_b._encoded = encode(cast$2(map)._decoded)));
+    }
+    /**
+     * Returns the decoded (array of lines of segments) form of the SourceMap's mappings field.
+     */
+    function decodedMappings(map) {
+        var _a;
+        return ((_a = cast$2(map))._decoded || (_a._decoded = decode(cast$2(map)._encoded)));
+    }
+    /**
+     * 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.
+     */
+    function originalPositionFor(map, needle) {
+        let { line, column, bias } = needle;
+        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, cast$2(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$1]], segment[SOURCE_LINE$1] + 1, segment[SOURCE_COLUMN$1], segment.length === 5 ? names[segment[NAMES_INDEX$1]] : null);
+    }
+    /**
+     * Finds the generated line/column position of the provided source/line/column source position.
+     */
+    function generatedPositionFor(map, needle) {
+        const { source, line, column, bias } = needle;
+        return generatedPosition(map, source, line, column, bias || GREATEST_LOWER_BOUND, false);
+    }
+    /**
+     * Finds all generated line/column positions of the provided source/line/column source position.
+     */
+    function allGeneratedPositionsFor(map, needle) {
+        const { source, line, column, bias } = needle;
+        // SourceMapConsumer uses LEAST_UPPER_BOUND for some reason, so we follow suit.
+        return generatedPosition(map, source, line, column, bias || LEAST_UPPER_BOUND, true);
+    }
+    /**
+     * Iterates each mapping in generated position order.
+     */
+    function 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,
+                });
+            }
+        }
+    }
+    function sourceIndex(map, source) {
+        const { sources, resolvedSources } = map;
+        let index = sources.indexOf(source);
+        if (index === -1)
+            index = resolvedSources.indexOf(source);
+        return index;
+    }
+    /**
+     * Retrieves the source content for a particular source, if its found. Returns null if not.
+     */
+    function sourceContentFor(map, source) {
+        const { sourcesContent } = map;
+        if (sourcesContent == null)
+            return null;
+        const index = sourceIndex(map, source);
+        return index === -1 ? null : sourcesContent[index];
+    }
+    /**
+     * A helper that skips sorting of the input map's mappings array, which can be expensive for larger
+     * maps.
+     */
+    function presortedDecodedMap(map, mapUrl) {
+        const tracer = new TraceMap(clone(map, []), mapUrl);
+        cast$2(tracer)._decoded = map.mappings;
+        return tracer;
+    }
+    function clone(map, mappings) {
+        return {
+            version: map.version,
+            file: map.file,
+            names: map.names,
+            sourceRoot: map.sourceRoot,
+            sources: map.sources,
+            sourcesContent: map.sourcesContent,
+            mappings,
+            ignoreList: map.ignoreList || map.x_google_ignoreList,
+        };
+    }
+    function OMapping(source, line, column, name) {
+        return { source, line, column, name };
+    }
+    function GMapping(line, column) {
+        return { line, column };
+    }
+    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$1];
+        // 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;
+    }
+    function generatedPosition(map, source, line, column, bias, all) {
+        var _a;
+        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 = ((_a = cast$2(map))._bySources || (_a._bySources = buildBySources(decodedMappings(map), (cast$2(map)._bySourceMemos = sources.map(memoizedState)))));
+        const segments = generated[sourceIndex][line];
+        if (segments == null)
+            return all ? [] : GMapping(null, null);
+        const memo = cast$2(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]);
+    }
+
+    /**
+     * SetArray acts like a `Set` (allowing only one occurrence of a string `key`), but provides the
+     * index of the `key` in the backing array.
+     *
+     * This is designed to allow synchronizing a second array with the contents of the backing array,
+     * like how in a sourcemap `sourcesContent[i]` is the source content associated with `source[i]`,
+     * and there are never duplicates.
+     */
+    class SetArray {
+        constructor() {
+            this._indexes = { __proto__: null };
+            this.array = [];
+        }
+    }
+    /**
+     * Typescript doesn't allow friend access to private fields, so this just casts the set into a type
+     * with public access modifiers.
+     */
+    function cast$1(set) {
+        return set;
+    }
+    /**
+     * Gets the index associated with `key` in the backing array, if it is already present.
+     */
+    function get(setarr, key) {
+        return cast$1(setarr)._indexes[key];
+    }
+    /**
+     * Puts `key` into the backing array, if it is not already present. Returns
+     * the index of the `key` in the backing array.
+     */
+    function put(setarr, key) {
+        // The key may or may not be present. If it is present, it's a number.
+        const index = get(setarr, key);
+        if (index !== undefined)
+            return index;
+        const { array, _indexes: indexes } = cast$1(setarr);
+        const length = array.push(key);
+        return (indexes[key] = length - 1);
+    }
+
+    const COLUMN = 0;
+    const SOURCES_INDEX = 1;
+    const SOURCE_LINE = 2;
+    const SOURCE_COLUMN = 3;
+    const NAMES_INDEX = 4;
+
+    const NO_NAME = -1;
+    /**
+     * Provides the state to generate a sourcemap.
+     */
+    class GenMapping {
+        constructor({ file, sourceRoot } = {}) {
+            this._names = new SetArray();
+            this._sources = new SetArray();
+            this._sourcesContent = [];
+            this._mappings = [];
+            this.file = file;
+            this.sourceRoot = sourceRoot;
+            this._ignoreList = new SetArray();
+        }
+    }
+    /**
+     * Typescript doesn't allow friend access to private fields, so this just casts the map into a type
+     * with public access modifiers.
+     */
+    function cast(map) {
+        return map;
+    }
+    /**
+     * Same as `addMapping`, but will only add the mapping if it generates useful information in the
+     * resulting map. This only works correctly if mappings are added **in order**, meaning you should
+     * not add a mapping with a lower generated line/column than one that came before.
+     */
+    const maybeAddMapping = (map, mapping) => {
+        return addMappingInternal(true, map, mapping);
+    };
+    /**
+     * Adds/removes the content of the source file to the source map.
+     */
+    function setSourceContent(map, source, content) {
+        const { _sources: sources, _sourcesContent: sourcesContent } = cast(map);
+        const index = put(sources, source);
+        sourcesContent[index] = content;
+    }
+    /**
+     * Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
+     * a sourcemap, or to JSON.stringify.
+     */
+    function toDecodedMap(map) {
+        const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, _ignoreList: ignoreList, } = cast(map);
+        removeEmptyFinalLines(mappings);
+        return {
+            version: 3,
+            file: map.file || undefined,
+            names: names.array,
+            sourceRoot: map.sourceRoot || undefined,
+            sources: sources.array,
+            sourcesContent,
+            mappings,
+            ignoreList: ignoreList.array,
+        };
+    }
+    /**
+     * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
+     * a sourcemap, or to JSON.stringify.
+     */
+    function toEncodedMap(map) {
+        const decoded = toDecodedMap(map);
+        return Object.assign(Object.assign({}, decoded), { mappings: encode(decoded.mappings) });
+    }
+    /**
+     * Constructs a new GenMapping, using the already present mappings of the input.
+     */
+    function fromMap(input) {
+        const map = new TraceMap(input);
+        const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
+        putAll(cast(gen)._names, map.names);
+        putAll(cast(gen)._sources, map.sources);
+        cast(gen)._sourcesContent = map.sourcesContent || map.sources.map(() => null);
+        cast(gen)._mappings = decodedMappings(map);
+        if (map.ignoreList)
+            putAll(cast(gen)._ignoreList, map.ignoreList);
+        return gen;
+    }
+    // This split declaration is only so that terser can elminiate the static initialization block.
+    function addSegmentInternal(skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
+        const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = cast(map);
+        const line = getLine(mappings, genLine);
+        const index = getColumnIndex(line, genColumn);
+        if (!source) {
+            if (skipable && skipSourceless(line, index))
+                return;
+            return insert(line, index, [genColumn]);
+        }
+        const sourcesIndex = put(sources, source);
+        const namesIndex = name ? put(names, name) : NO_NAME;
+        if (sourcesIndex === sourcesContent.length)
+            sourcesContent[sourcesIndex] = content !== null && content !== void 0 ? content : null;
+        if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
+            return;
+        }
+        return insert(line, index, name
+            ? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex]
+            : [genColumn, sourcesIndex, sourceLine, sourceColumn]);
+    }
+    function getLine(mappings, index) {
+        for (let i = mappings.length; i <= index; i++) {
+            mappings[i] = [];
+        }
+        return mappings[index];
+    }
+    function getColumnIndex(line, genColumn) {
+        let index = line.length;
+        for (let i = index - 1; i >= 0; index = i--) {
+            const current = line[i];
+            if (genColumn >= current[COLUMN])
+                break;
+        }
+        return index;
+    }
+    function insert(array, index, value) {
+        for (let i = array.length; i > index; i--) {
+            array[i] = array[i - 1];
+        }
+        array[index] = value;
+    }
+    function removeEmptyFinalLines(mappings) {
+        const { length } = mappings;
+        let len = length;
+        for (let i = len - 1; i >= 0; len = i, i--) {
+            if (mappings[i].length > 0)
+                break;
+        }
+        if (len < length)
+            mappings.length = len;
+    }
+    function putAll(setarr, array) {
+        for (let i = 0; i < array.length; i++)
+            put(setarr, array[i]);
+    }
+    function skipSourceless(line, index) {
+        // The start of a line is already sourceless, so adding a sourceless segment to the beginning
+        // doesn't generate any useful information.
+        if (index === 0)
+            return true;
+        const prev = line[index - 1];
+        // If the previous segment is also sourceless, then adding another sourceless segment doesn't
+        // genrate any new information. Else, this segment will end the source/named segment and point to
+        // a sourceless position, which is useful.
+        return prev.length === 1;
+    }
+    function skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex) {
+        // A source/named segment at the start of a line gives position at that genColumn
+        if (index === 0)
+            return false;
+        const prev = line[index - 1];
+        // If the previous segment is sourceless, then we're transitioning to a source.
+        if (prev.length === 1)
+            return false;
+        // If the previous segment maps to the exact same source position, then this segment doesn't
+        // provide any new position information.
+        return (sourcesIndex === prev[SOURCES_INDEX] &&
+            sourceLine === prev[SOURCE_LINE] &&
+            sourceColumn === prev[SOURCE_COLUMN] &&
+            namesIndex === (prev.length === 5 ? prev[NAMES_INDEX] : NO_NAME));
+    }
+    function addMappingInternal(skipable, map, mapping) {
+        const { generated, source, original, name, content } = mapping;
+        if (!source) {
+            return addSegmentInternal(skipable, map, generated.line - 1, generated.column, null, null, null, null, null);
+        }
+        return addSegmentInternal(skipable, map, generated.line - 1, generated.column, source, original.line - 1, original.column, name, content);
+    }
+
+    class SourceMapConsumer {
+        constructor(map, mapUrl) {
+            const trace = (this._map = new AnyMap(map, mapUrl));
+            this.file = trace.file;
+            this.names = trace.names;
+            this.sourceRoot = trace.sourceRoot;
+            this.sources = trace.resolvedSources;
+            this.sourcesContent = trace.sourcesContent;
+            this.version = trace.version;
+        }
+        static fromSourceMap(map, mapUrl) {
+            // This is more performant if we receive
+            // a @jridgewell/source-map SourceMapGenerator
+            if (map.toDecodedMap) {
+                return new SourceMapConsumer(map.toDecodedMap(), mapUrl);
+            }
+            // This is a fallback for `source-map` and `source-map-js`
+            return new SourceMapConsumer(map.toJSON(), mapUrl);
+        }
+        get mappings() {
+            return encodedMappings(this._map);
+        }
+        originalPositionFor(needle) {
+            return originalPositionFor(this._map, needle);
+        }
+        generatedPositionFor(originalPosition) {
+            return generatedPositionFor(this._map, originalPosition);
+        }
+        allGeneratedPositionsFor(originalPosition) {
+            return allGeneratedPositionsFor(this._map, originalPosition);
+        }
+        hasContentsOfAllSources() {
+            if (!this.sourcesContent || this.sourcesContent.length !== this.sources.length) {
+                return false;
+            }
+            for (const content of this.sourcesContent) {
+                if (content == null) {
+                    return false;
+                }
+            }
+            return true;
+        }
+        sourceContentFor(source, nullOnMissing) {
+            const sourceContent = sourceContentFor(this._map, source);
+            if (sourceContent != null) {
+                return sourceContent;
+            }
+            if (nullOnMissing) {
+                return null;
+            }
+            throw new Error(`"${source}" is not in the SourceMap.`);
+        }
+        eachMapping(callback, context /*, order?: number*/) {
+            // order is ignored as @jridgewell/trace-map doesn't implement it
+            eachMapping(this._map, context ? callback.bind(context) : callback);
+        }
+        destroy() {
+            // noop.
+        }
+    }
+    class SourceMapGenerator {
+        constructor(opts) {
+            // TODO :: should this be duck-typed ?
+            this._map = opts instanceof GenMapping ? opts : new GenMapping(opts);
+        }
+        static fromSourceMap(consumer) {
+            return new SourceMapGenerator(fromMap(consumer));
+        }
+        addMapping(mapping) {
+            maybeAddMapping(this._map, mapping);
+        }
+        setSourceContent(source, content) {
+            setSourceContent(this._map, source, content);
+        }
+        toJSON() {
+            return toEncodedMap(this._map);
+        }
+        toString() {
+            return JSON.stringify(this.toJSON());
+        }
+        toDecodedMap() {
+            return toDecodedMap(this._map);
+        }
+    }
+
+    exports.SourceMapConsumer = SourceMapConsumer;
+    exports.SourceMapGenerator = SourceMapGenerator;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+}));
+//# sourceMappingURL=source-map.umd.js.map