added babel

1 files changed, 196 insertions, 0 deletions

diff --git a/node_modules/@ampproject/remapping/dist/remapping.umd.js b/node_modules/@ampproject/remapping/dist/remapping.umd.js
new file mode 100644
index 00000000..e292d4c3
--- /dev/null
+++ b/node_modules/@ampproject/remapping/dist/remapping.umd.js
@@ -0,0 +1,196 @@
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@jridgewell/trace-mapping'), require('@jridgewell/gen-mapping')) :
+    typeof define === 'function' && define.amd ? define(['@jridgewell/trace-mapping', '@jridgewell/gen-mapping'], factory) :
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.remapping = factory(global.traceMapping, global.genMapping));
+})(this, (function (traceMapping, genMapping) { 'use strict';
+
+    const SOURCELESS_MAPPING = /* #__PURE__ */ SegmentObject('', -1, -1, '', null);
+    const EMPTY_SOURCES = [];
+    function SegmentObject(source, line, column, name, content) {
+        return { source, line, column, name, content };
+    }
+    function Source(map, sources, source, content) {
+        return {
+            map,
+            sources,
+            source,
+            content,
+        };
+    }
+    /**
+     * MapSource represents a single sourcemap, with the ability to trace mappings into its child nodes
+     * (which may themselves be SourceMapTrees).
+     */
+    function MapSource(map, sources) {
+        return Source(map, sources, '', null);
+    }
+    /**
+     * A "leaf" node in the sourcemap tree, representing an original, unmodified source file. Recursive
+     * segment tracing ends at the `OriginalSource`.
+     */
+    function OriginalSource(source, content) {
+        return Source(null, EMPTY_SOURCES, source, content);
+    }
+    /**
+     * traceMappings is only called on the root level SourceMapTree, and begins the process of
+     * resolving each mapping in terms of the original source files.
+     */
+    function traceMappings(tree) {
+        // TODO: Eventually support sourceRoot, which has to be removed because the sources are already
+        // fully resolved. We'll need to make sources relative to the sourceRoot before adding them.
+        const gen = new genMapping.GenMapping({ file: tree.map.file });
+        const { sources: rootSources, map } = tree;
+        const rootNames = map.names;
+        const rootMappings = traceMapping.decodedMappings(map);
+        for (let i = 0; i < rootMappings.length; i++) {
+            const segments = rootMappings[i];
+            for (let j = 0; j < segments.length; j++) {
+                const segment = segments[j];
+                const genCol = segment[0];
+                let traced = SOURCELESS_MAPPING;
+                // 1-length segments only move the current generated column, there's no source information
+                // to gather from it.
+                if (segment.length !== 1) {
+                    const source = rootSources[segment[1]];
+                    traced = originalPositionFor(source, segment[2], segment[3], segment.length === 5 ? rootNames[segment[4]] : '');
+                    // If the trace is invalid, then the trace ran into a sourcemap that doesn't contain a
+                    // respective segment into an original source.
+                    if (traced == null)
+                        continue;
+                }
+                const { column, line, name, content, source } = traced;
+                genMapping.maybeAddSegment(gen, i, genCol, source, line, column, name);
+                if (source && content != null)
+                    genMapping.setSourceContent(gen, source, content);
+            }
+        }
+        return gen;
+    }
+    /**
+     * originalPositionFor is only called on children SourceMapTrees. It recurses down into its own
+     * child SourceMapTrees, until we find the original source map.
+     */
+    function originalPositionFor(source, line, column, name) {
+        if (!source.map) {
+            return SegmentObject(source.source, line, column, name, source.content);
+        }
+        const segment = traceMapping.traceSegment(source.map, line, column);
+        // If we couldn't find a segment, then this doesn't exist in the sourcemap.
+        if (segment == null)
+            return null;
+        // 1-length segments only move the current generated column, there's no source information
+        // to gather from it.
+        if (segment.length === 1)
+            return SOURCELESS_MAPPING;
+        return originalPositionFor(source.sources[segment[1]], segment[2], segment[3], segment.length === 5 ? source.map.names[segment[4]] : name);
+    }
+
+    function asArray(value) {
+        if (Array.isArray(value))
+            return value;
+        return [value];
+    }
+    /**
+     * Recursively builds a tree structure out of sourcemap files, with each node
+     * being either an `OriginalSource` "leaf" or a `SourceMapTree` composed of
+     * `OriginalSource`s and `SourceMapTree`s.
+     *
+     * Every sourcemap is composed of a collection of source files and mappings
+     * into locations of those source files. When we generate a `SourceMapTree` for
+     * the sourcemap, we attempt to load each source file's own sourcemap. If it
+     * does not have an associated sourcemap, it is considered an original,
+     * unmodified source file.
+     */
+    function buildSourceMapTree(input, loader) {
+        const maps = asArray(input).map((m) => new traceMapping.TraceMap(m, ''));
+        const map = maps.pop();
+        for (let i = 0; i < maps.length; i++) {
+            if (maps[i].sources.length > 1) {
+                throw new Error(`Transformation map ${i} must have exactly one source file.\n` +
+                    'Did you specify these with the most recent transformation maps first?');
+            }
+        }
+        let tree = build(map, loader, '', 0);
+        for (let i = maps.length - 1; i >= 0; i--) {
+            tree = MapSource(maps[i], [tree]);
+        }
+        return tree;
+    }
+    function build(map, loader, importer, importerDepth) {
+        const { resolvedSources, sourcesContent } = map;
+        const depth = importerDepth + 1;
+        const children = resolvedSources.map((sourceFile, i) => {
+            // The loading context gives the loader more information about why this file is being loaded
+            // (eg, from which importer). It also allows the loader to override the location of the loaded
+            // sourcemap/original source, or to override the content in the sourcesContent field if it's
+            // an unmodified source file.
+            const ctx = {
+                importer,
+                depth,
+                source: sourceFile || '',
+                content: undefined,
+            };
+            // Use the provided loader callback to retrieve the file's sourcemap.
+            // TODO: We should eventually support async loading of sourcemap files.
+            const sourceMap = loader(ctx.source, ctx);
+            const { source, content } = ctx;
+            // If there is a sourcemap, then we need to recurse into it to load its source files.
+            if (sourceMap)
+                return build(new traceMapping.TraceMap(sourceMap, source), loader, source, depth);
+            // Else, it's an an unmodified source file.
+            // The contents of this unmodified source file can be overridden via the loader context,
+            // allowing it to be explicitly null or a string. If it remains undefined, we fall back to
+            // the importing sourcemap's `sourcesContent` field.
+            const sourceContent = content !== undefined ? content : sourcesContent ? sourcesContent[i] : null;
+            return OriginalSource(source, sourceContent);
+        });
+        return MapSource(map, children);
+    }
+
+    /**
+     * A SourceMap v3 compatible sourcemap, which only includes fields that were
+     * provided to it.
+     */
+    class SourceMap {
+        constructor(map, options) {
+            const out = options.decodedMappings ? genMapping.toDecodedMap(map) : genMapping.toEncodedMap(map);
+            this.version = out.version; // SourceMap spec says this should be first.
+            this.file = out.file;
+            this.mappings = out.mappings;
+            this.names = out.names;
+            this.sourceRoot = out.sourceRoot;
+            this.sources = out.sources;
+            if (!options.excludeContent) {
+                this.sourcesContent = out.sourcesContent;
+            }
+        }
+        toString() {
+            return JSON.stringify(this);
+        }
+    }
+
+    /**
+     * Traces through all the mappings in the root sourcemap, through the sources
+     * (and their sourcemaps), all the way back to the original source location.
+     *
+     * `loader` will be called every time we encounter a source file. If it returns
+     * a sourcemap, we will recurse into that sourcemap to continue the trace. If
+     * it returns a falsey value, that source file is treated as an original,
+     * unmodified source file.
+     *
+     * Pass `excludeContent` to exclude any self-containing source file content
+     * from the output sourcemap.
+     *
+     * Pass `decodedMappings` to receive a SourceMap with decoded (instead of
+     * VLQ encoded) mappings.
+     */
+    function remapping(input, loader, options) {
+        const opts = typeof options === 'object' ? options : { excludeContent: !!options, decodedMappings: false };
+        const tree = buildSourceMapTree(input, loader);
+        return new SourceMap(traceMappings(tree), opts);
+    }
+
+    return remapping;
+
+}));
+//# sourceMappingURL=remapping.umd.js.map