feat: base

frontend/node_modules/@volar/source-map/index.js

@@ -0,0 +1,182 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.buildStacks = exports.buildMappings = exports.SourceMap = void 0;
+__exportStar(require("muggle-string"), exports);
+class SourceMap {
+    get memo() {
+        if (!this._memo) {
+            const self = this;
+            this._memo = {
+                sourceRange: createMemo('sourceRange'),
+                generatedRange: createMemo('generatedRange'),
+            };
+            function createMemo(key) {
+                const offsets = new Set();
+                for (const mapping of self.mappings) {
+                    offsets.add(mapping[key][0]);
+                    offsets.add(mapping[key][1]);
+                }
+                const arr = [...offsets].sort((a, b) => a - b).map(offset => ({ offset, mappings: new Set() }));
+                for (const mapping of self.mappings) {
+                    const startIndex = binarySearch(mapping[key][0]);
+                    const endIndex = binarySearch(mapping[key][1]);
+                    for (let i = startIndex; i <= endIndex; i++) {
+                        arr[i].mappings.add(mapping);
+                    }
+                }
+                return arr;
+                function binarySearch(start) {
+                    let low = 0;
+                    let high = arr.length - 1;
+                    while (low <= high) {
+                        const mid = Math.floor((low + high) / 2);
+                        const midValue = arr[mid];
+                        if (midValue.offset < start) {
+                            low = mid + 1;
+                        }
+                        else if (midValue.offset > start) {
+                            high = mid - 1;
+                        }
+                        else {
+                            return mid;
+                        }
+                    }
+                }
+            }
+        }
+        return this._memo;
+    }
+    constructor(mappings) {
+        this.mappings = mappings;
+    }
+    toSourceOffset(start, baseOnRight = false) {
+        for (const mapped of this.matching(start, 'generatedRange', 'sourceRange', baseOnRight)) {
+            return mapped;
+        }
+    }
+    toGeneratedOffset(start, baseOnRight = false) {
+        for (const mapped of this.matching(start, 'sourceRange', 'generatedRange', baseOnRight)) {
+            return mapped;
+        }
+    }
+    toSourceOffsets(start, baseOnRight = false) {
+        return this.matching(start, 'generatedRange', 'sourceRange', baseOnRight);
+    }
+    toGeneratedOffsets(start, baseOnRight = false) {
+        return this.matching(start, 'sourceRange', 'generatedRange', baseOnRight);
+    }
+    *matching(startOffset, from, to, baseOnRight) {
+        const memo = this.memo[from];
+        if (memo.length === 0)
+            return;
+        const { low: start, high: end, } = this.binarySearchMemo(memo, startOffset);
+        const skip = new Set();
+        for (let i = start; i <= end; i++) {
+            for (const mapping of memo[i].mappings) {
+                if (skip.has(mapping)) {
+                    continue;
+                }
+                skip.add(mapping);
+                const mapped = this.matchOffset(startOffset, mapping[from], mapping[to], baseOnRight);
+                if (mapped !== undefined) {
+                    yield [mapped, mapping];
+                }
+            }
+        }
+    }
+    matchOffset(start, mappedFromRange, mappedToRange, baseOnRight) {
+        if (start >= mappedFromRange[0] && start <= mappedFromRange[1]) {
+            let offset = mappedToRange[0] + start - mappedFromRange[0];
+            if (baseOnRight) {
+                offset += (mappedToRange[1] - mappedToRange[0]) - (mappedFromRange[1] - mappedFromRange[0]);
+            }
+            if (offset >= mappedToRange[0] && offset <= mappedToRange[1]) {
+                return offset;
+            }
+        }
+    }
+    binarySearchMemo(array, start) {
+        let low = 0;
+        let high = array.length - 1;
+        while (low <= high) {
+            const mid = Math.floor((low + high) / 2);
+            const midValue = array[mid];
+            if (midValue.offset < start) {
+                low = mid + 1;
+            }
+            else if (midValue.offset > start) {
+                high = mid - 1;
+            }
+            else {
+                low = mid;
+                high = mid;
+                break;
+            }
+        }
+        return {
+            low: Math.max(Math.min(low, high, array.length - 1), 0),
+            high: Math.min(Math.max(low, high, 0), array.length - 1),
+        };
+    }
+}
+exports.SourceMap = SourceMap;
+function buildMappings(chunks) {
+    let length = 0;
+    const mappings = [];
+    for (const segment of chunks) {
+        if (typeof segment === 'string') {
+            length += segment.length;
+        }
+        else {
+            mappings.push({
+                generatedRange: [length, length + segment[0].length],
+                source: segment[1],
+                sourceRange: typeof segment[2] === 'number' ? [segment[2], segment[2] + segment[0].length] : segment[2],
+                // @ts-ignore
+                data: segment[3],
+            });
+            length += segment[0].length;
+        }
+    }
+    return mappings;
+}
+exports.buildMappings = buildMappings;
+function buildStacks(chunks, stacks) {
+    let offset = 0;
+    let index = 0;
+    const result = [];
+    for (const stack of stacks) {
+        const start = offset;
+        for (let i = 0; i < stack.length; i++) {
+            const segment = chunks[index + i];
+            if (typeof segment === 'string') {
+                offset += segment.length;
+            }
+            else {
+                offset += segment[0].length;
+            }
+        }
+        index += stack.length;
+        result.push({
+            range: [start, offset],
+            source: stack.stack,
+        });
+    }
+    return result;
+}
+exports.buildStacks = buildStacks;
+//# sourceMappingURL=index.js.map