gameStatusUpdate/node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js
2024-09-18 08:27:46 -07:00

440 lines
17 KiB
JavaScript

(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.sourcemapCodec = {}));
})(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;
}
function decodeInteger(reader, relative) {
let value = 0;
let shift = 0;
let integer = 0;
do {
const c = reader.next();
integer = charToInt[c];
value |= (integer & 31) << shift;
shift += 5;
} while (integer & 32);
const shouldNegate = value & 1;
value >>>= 1;
if (shouldNegate) {
value = -0x80000000 | -value;
}
return relative + value;
}
function encodeInteger(builder, num, relative) {
let delta = num - relative;
delta = delta < 0 ? (-delta << 1) | 1 : delta << 1;
do {
let clamped = delta & 0b011111;
delta >>>= 5;
if (delta > 0)
clamped |= 0b100000;
builder.write(intToChar[clamped]);
} while (delta > 0);
return num;
}
function hasMoreVlq(reader, max) {
if (reader.pos >= max)
return false;
return reader.peek() !== comma;
}
const bufLength = 1024 * 16;
// 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;
},
};
class StringWriter {
constructor() {
this.pos = 0;
this.out = '';
this.buffer = new Uint8Array(bufLength);
}
write(v) {
const { buffer } = this;
buffer[this.pos++] = v;
if (this.pos === bufLength) {
this.out += td.decode(buffer);
this.pos = 0;
}
}
flush() {
const { buffer, out, pos } = this;
return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
}
}
class StringReader {
constructor(buffer) {
this.pos = 0;
this.buffer = buffer;
}
next() {
return this.buffer.charCodeAt(this.pos++);
}
peek() {
return this.buffer.charCodeAt(this.pos);
}
indexOf(char) {
const { buffer, pos } = this;
const idx = buffer.indexOf(char, pos);
return idx === -1 ? buffer.length : idx;
}
}
const EMPTY = [];
function decodeOriginalScopes(input) {
const { length } = input;
const reader = new StringReader(input);
const scopes = [];
const stack = [];
let line = 0;
for (; reader.pos < length; reader.pos++) {
line = decodeInteger(reader, line);
const column = decodeInteger(reader, 0);
if (!hasMoreVlq(reader, length)) {
const last = stack.pop();
last[2] = line;
last[3] = column;
continue;
}
const kind = decodeInteger(reader, 0);
const fields = decodeInteger(reader, 0);
const hasName = fields & 0b0001;
const scope = (hasName ? [line, column, 0, 0, kind, decodeInteger(reader, 0)] : [line, column, 0, 0, kind]);
let vars = EMPTY;
if (hasMoreVlq(reader, length)) {
vars = [];
do {
const varsIndex = decodeInteger(reader, 0);
vars.push(varsIndex);
} while (hasMoreVlq(reader, length));
}
scope.vars = vars;
scopes.push(scope);
stack.push(scope);
}
return scopes;
}
function encodeOriginalScopes(scopes) {
const writer = new StringWriter();
for (let i = 0; i < scopes.length;) {
i = _encodeOriginalScopes(scopes, i, writer, [0]);
}
return writer.flush();
}
function _encodeOriginalScopes(scopes, index, writer, state) {
const scope = scopes[index];
const { 0: startLine, 1: startColumn, 2: endLine, 3: endColumn, 4: kind, vars } = scope;
if (index > 0)
writer.write(comma);
state[0] = encodeInteger(writer, startLine, state[0]);
encodeInteger(writer, startColumn, 0);
encodeInteger(writer, kind, 0);
const fields = scope.length === 6 ? 0b0001 : 0;
encodeInteger(writer, fields, 0);
if (scope.length === 6)
encodeInteger(writer, scope[5], 0);
for (const v of vars) {
encodeInteger(writer, v, 0);
}
for (index++; index < scopes.length;) {
const next = scopes[index];
const { 0: l, 1: c } = next;
if (l > endLine || (l === endLine && c >= endColumn)) {
break;
}
index = _encodeOriginalScopes(scopes, index, writer, state);
}
writer.write(comma);
state[0] = encodeInteger(writer, endLine, state[0]);
encodeInteger(writer, endColumn, 0);
return index;
}
function decodeGeneratedRanges(input) {
const { length } = input;
const reader = new StringReader(input);
const ranges = [];
const stack = [];
let genLine = 0;
let definitionSourcesIndex = 0;
let definitionScopeIndex = 0;
let callsiteSourcesIndex = 0;
let callsiteLine = 0;
let callsiteColumn = 0;
let bindingLine = 0;
let bindingColumn = 0;
do {
const semi = reader.indexOf(';');
let genColumn = 0;
for (; reader.pos < semi; reader.pos++) {
genColumn = decodeInteger(reader, genColumn);
if (!hasMoreVlq(reader, semi)) {
const last = stack.pop();
last[2] = genLine;
last[3] = genColumn;
continue;
}
const fields = decodeInteger(reader, 0);
const hasDefinition = fields & 0b0001;
const hasCallsite = fields & 0b0010;
const hasScope = fields & 0b0100;
let callsite = null;
let bindings = EMPTY;
let range;
if (hasDefinition) {
const defSourcesIndex = decodeInteger(reader, definitionSourcesIndex);
definitionScopeIndex = decodeInteger(reader, definitionSourcesIndex === defSourcesIndex ? definitionScopeIndex : 0);
definitionSourcesIndex = defSourcesIndex;
range = [genLine, genColumn, 0, 0, defSourcesIndex, definitionScopeIndex];
}
else {
range = [genLine, genColumn, 0, 0];
}
range.isScope = !!hasScope;
if (hasCallsite) {
const prevCsi = callsiteSourcesIndex;
const prevLine = callsiteLine;
callsiteSourcesIndex = decodeInteger(reader, callsiteSourcesIndex);
const sameSource = prevCsi === callsiteSourcesIndex;
callsiteLine = decodeInteger(reader, sameSource ? callsiteLine : 0);
callsiteColumn = decodeInteger(reader, sameSource && prevLine === callsiteLine ? callsiteColumn : 0);
callsite = [callsiteSourcesIndex, callsiteLine, callsiteColumn];
}
range.callsite = callsite;
if (hasMoreVlq(reader, semi)) {
bindings = [];
do {
bindingLine = genLine;
bindingColumn = genColumn;
const expressionsCount = decodeInteger(reader, 0);
let expressionRanges;
if (expressionsCount < -1) {
expressionRanges = [[decodeInteger(reader, 0)]];
for (let i = -1; i > expressionsCount; i--) {
const prevBl = bindingLine;
bindingLine = decodeInteger(reader, bindingLine);
bindingColumn = decodeInteger(reader, bindingLine === prevBl ? bindingColumn : 0);
const expression = decodeInteger(reader, 0);
expressionRanges.push([expression, bindingLine, bindingColumn]);
}
}
else {
expressionRanges = [[expressionsCount]];
}
bindings.push(expressionRanges);
} while (hasMoreVlq(reader, semi));
}
range.bindings = bindings;
ranges.push(range);
stack.push(range);
}
genLine++;
reader.pos = semi + 1;
} while (reader.pos < length);
return ranges;
}
function encodeGeneratedRanges(ranges) {
if (ranges.length === 0)
return '';
const writer = new StringWriter();
for (let i = 0; i < ranges.length;) {
i = _encodeGeneratedRanges(ranges, i, writer, [0, 0, 0, 0, 0, 0, 0]);
}
return writer.flush();
}
function _encodeGeneratedRanges(ranges, index, writer, state) {
const range = ranges[index];
const { 0: startLine, 1: startColumn, 2: endLine, 3: endColumn, isScope, callsite, bindings, } = range;
if (state[0] < startLine) {
catchupLine(writer, state[0], startLine);
state[0] = startLine;
state[1] = 0;
}
else if (index > 0) {
writer.write(comma);
}
state[1] = encodeInteger(writer, range[1], state[1]);
const fields = (range.length === 6 ? 0b0001 : 0) | (callsite ? 0b0010 : 0) | (isScope ? 0b0100 : 0);
encodeInteger(writer, fields, 0);
if (range.length === 6) {
const { 4: sourcesIndex, 5: scopesIndex } = range;
if (sourcesIndex !== state[2]) {
state[3] = 0;
}
state[2] = encodeInteger(writer, sourcesIndex, state[2]);
state[3] = encodeInteger(writer, scopesIndex, state[3]);
}
if (callsite) {
const { 0: sourcesIndex, 1: callLine, 2: callColumn } = range.callsite;
if (sourcesIndex !== state[4]) {
state[5] = 0;
state[6] = 0;
}
else if (callLine !== state[5]) {
state[6] = 0;
}
state[4] = encodeInteger(writer, sourcesIndex, state[4]);
state[5] = encodeInteger(writer, callLine, state[5]);
state[6] = encodeInteger(writer, callColumn, state[6]);
}
if (bindings) {
for (const binding of bindings) {
if (binding.length > 1)
encodeInteger(writer, -binding.length, 0);
const expression = binding[0][0];
encodeInteger(writer, expression, 0);
let bindingStartLine = startLine;
let bindingStartColumn = startColumn;
for (let i = 1; i < binding.length; i++) {
const expRange = binding[i];
bindingStartLine = encodeInteger(writer, expRange[1], bindingStartLine);
bindingStartColumn = encodeInteger(writer, expRange[2], bindingStartColumn);
encodeInteger(writer, expRange[0], 0);
}
}
}
for (index++; index < ranges.length;) {
const next = ranges[index];
const { 0: l, 1: c } = next;
if (l > endLine || (l === endLine && c >= endColumn)) {
break;
}
index = _encodeGeneratedRanges(ranges, index, writer, state);
}
if (state[0] < endLine) {
catchupLine(writer, state[0], endLine);
state[0] = endLine;
state[1] = 0;
}
else {
writer.write(comma);
}
state[1] = encodeInteger(writer, endColumn, state[1]);
return index;
}
function catchupLine(writer, lastLine, line) {
do {
writer.write(semicolon);
} while (++lastLine < line);
}
function decode(mappings) {
const { length } = mappings;
const reader = new StringReader(mappings);
const decoded = [];
let genColumn = 0;
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
do {
const semi = reader.indexOf(';');
const line = [];
let sorted = true;
let lastCol = 0;
genColumn = 0;
while (reader.pos < semi) {
let seg;
genColumn = decodeInteger(reader, genColumn);
if (genColumn < lastCol)
sorted = false;
lastCol = genColumn;
if (hasMoreVlq(reader, semi)) {
sourcesIndex = decodeInteger(reader, sourcesIndex);
sourceLine = decodeInteger(reader, sourceLine);
sourceColumn = decodeInteger(reader, sourceColumn);
if (hasMoreVlq(reader, semi)) {
namesIndex = decodeInteger(reader, namesIndex);
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex];
}
else {
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn];
}
}
else {
seg = [genColumn];
}
line.push(seg);
reader.pos++;
}
if (!sorted)
sort(line);
decoded.push(line);
reader.pos = semi + 1;
} while (reader.pos <= length);
return decoded;
}
function sort(line) {
line.sort(sortComparator);
}
function sortComparator(a, b) {
return a[0] - b[0];
}
function encode(decoded) {
const writer = new StringWriter();
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
if (i > 0)
writer.write(semicolon);
if (line.length === 0)
continue;
let genColumn = 0;
for (let j = 0; j < line.length; j++) {
const segment = line[j];
if (j > 0)
writer.write(comma);
genColumn = encodeInteger(writer, segment[0], genColumn);
if (segment.length === 1)
continue;
sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex);
sourceLine = encodeInteger(writer, segment[2], sourceLine);
sourceColumn = encodeInteger(writer, segment[3], sourceColumn);
if (segment.length === 4)
continue;
namesIndex = encodeInteger(writer, segment[4], namesIndex);
}
}
return writer.flush();
}
exports.decode = decode;
exports.decodeGeneratedRanges = decodeGeneratedRanges;
exports.decodeOriginalScopes = decodeOriginalScopes;
exports.encode = encode;
exports.encodeGeneratedRanges = encodeGeneratedRanges;
exports.encodeOriginalScopes = encodeOriginalScopes;
Object.defineProperty(exports, '__esModule', { value: true });
}));
//# sourceMappingURL=sourcemap-codec.umd.js.map