Spaces:
Running
Running
File size: 10,824 Bytes
1df763a |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 |
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@jridgewell/set-array'), require('@jridgewell/sourcemap-codec'), require('@jridgewell/trace-mapping')) :
typeof define === 'function' && define.amd ? define(['exports', '@jridgewell/set-array', '@jridgewell/sourcemap-codec', '@jridgewell/trace-mapping'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.genMapping = {}, global.setArray, global.sourcemapCodec, global.traceMapping));
})(this, (function (exports, setArray, sourcemapCodec, traceMapping) { 'use strict';
const COLUMN = 0;
const SOURCES_INDEX = 1;
const SOURCE_LINE = 2;
const SOURCE_COLUMN = 3;
const NAMES_INDEX = 4;
const NO_NAME = -1;
/**
* A low-level API to associate a generated position with an original source position. Line and
* column here are 0-based, unlike `addMapping`.
*/
exports.addSegment = void 0;
/**
* A high-level API to associate a generated position with an original source position. Line is
* 1-based, but column is 0-based, due to legacy behavior in `source-map` library.
*/
exports.addMapping = void 0;
/**
* Same as `addSegment`, but will only add the segment if it generates useful information in the
* resulting map. This only works correctly if segments are added **in order**, meaning you should
* not add a segment with a lower generated line/column than one that came before.
*/
exports.maybeAddSegment = void 0;
/**
* 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.
*/
exports.maybeAddMapping = void 0;
/**
* Adds/removes the content of the source file to the source map.
*/
exports.setSourceContent = void 0;
/**
* Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
exports.toDecodedMap = void 0;
/**
* Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
exports.toEncodedMap = void 0;
/**
* Constructs a new GenMapping, using the already present mappings of the input.
*/
exports.fromMap = void 0;
/**
* Returns an array of high-level mapping objects for every recorded segment, which could then be
* passed to the `source-map` library.
*/
exports.allMappings = void 0;
// This split declaration is only so that terser can elminiate the static initialization block.
let addSegmentInternal;
/**
* Provides the state to generate a sourcemap.
*/
class GenMapping {
constructor({ file, sourceRoot } = {}) {
this._names = new setArray.SetArray();
this._sources = new setArray.SetArray();
this._sourcesContent = [];
this._mappings = [];
this.file = file;
this.sourceRoot = sourceRoot;
}
}
(() => {
exports.addSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
return addSegmentInternal(false, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
};
exports.maybeAddSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
return addSegmentInternal(true, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
};
exports.addMapping = (map, mapping) => {
return addMappingInternal(false, map, mapping);
};
exports.maybeAddMapping = (map, mapping) => {
return addMappingInternal(true, map, mapping);
};
exports.setSourceContent = (map, source, content) => {
const { _sources: sources, _sourcesContent: sourcesContent } = map;
sourcesContent[setArray.put(sources, source)] = content;
};
exports.toDecodedMap = (map) => {
const { file, sourceRoot, _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = map;
removeEmptyFinalLines(mappings);
return {
version: 3,
file: file || undefined,
names: names.array,
sourceRoot: sourceRoot || undefined,
sources: sources.array,
sourcesContent,
mappings,
};
};
exports.toEncodedMap = (map) => {
const decoded = exports.toDecodedMap(map);
return Object.assign(Object.assign({}, decoded), { mappings: sourcemapCodec.encode(decoded.mappings) });
};
exports.allMappings = (map) => {
const out = [];
const { _mappings: mappings, _sources: sources, _names: names } = map;
for (let i = 0; i < mappings.length; i++) {
const line = mappings[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const generated = { line: i + 1, column: seg[COLUMN] };
let source = undefined;
let original = undefined;
let name = undefined;
if (seg.length !== 1) {
source = sources.array[seg[SOURCES_INDEX]];
original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
if (seg.length === 5)
name = names.array[seg[NAMES_INDEX]];
}
out.push({ generated, source, original, name });
}
}
return out;
};
exports.fromMap = (input) => {
const map = new traceMapping.TraceMap(input);
const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
putAll(gen._names, map.names);
putAll(gen._sources, map.sources);
gen._sourcesContent = map.sourcesContent || map.sources.map(() => null);
gen._mappings = traceMapping.decodedMappings(map);
return gen;
};
// Internal helpers
addSegmentInternal = (skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = 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 = setArray.put(sources, source);
const namesIndex = name ? setArray.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(strarr, array) {
for (let i = 0; i < array.length; i++)
setArray.put(strarr, 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);
}
const s = source;
return addSegmentInternal(skipable, map, generated.line - 1, generated.column, s, original.line - 1, original.column, name, content);
}
exports.GenMapping = GenMapping;
Object.defineProperty(exports, '__esModule', { value: true });
}));
//# sourceMappingURL=gen-mapping.umd.js.map
|