Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 234x 234x 234x 2x 2x 2x 2x 2x 2x 2x 2x 37x 37x 237x 237x 1888x 1888x 1888x 1428x 1428x 1428x 109x 109x 1428x 1428x 1428x 1888x 237x 37x 2x 2x 2x 2x 2x 2x 2x 468x 468x 468x 468x 468x 468x 264x 264x 208x 264x 56x 56x 56x 56x 56x 264x 468x 468x 44x 38x 38x 38x 44x 468x 468x 2x 2x 2x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 412x 342x 412x 70x 70x 70x 70x 70x 70x 70x 412x 412x 412x 412x 412x 412x 412x 412x 346x 346x 346x 66x 66x 66x 66x 234x 234x 234x 234x 234x 346x 234x 234x 234x 234x 234x 234x 234x 234x 234x 346x 346x 234x 346x 346x 6x 28x 28x 412x 412x 412x 412x 28x 234x 234x 234x 234x 234x 234x 346x 140x 140x 363x 363x 140x 234x 234x 234x 234x 234x 234x 234x 234x 234x 412x 412x 412x 412x 412x 412x 412x 412x 67x 67x 42x 42x 42x 42x 42x 16x 16x 42x 42x 67x 21x 21x 67x 21x 21x 412x 412x 412x 412x 412x 412x 412x 279x 279x 279x 279x 279x 279x 279x 279x 279x 279x 279x 237x 237x 237x 237x 279x 599x 599x 599x 3897x 2424x 2424x 2424x 599x 237x 237x 279x 927x 927x 927x 237x 237x 412x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 111x 110x 110x 110x 110x 108x 108x 108x 108x 108x 108x 111x 2x 2x 2x 12x 12x 12x 12x 12x 2x 2x 12x 10x 10x 2x 2x 111x 111x 110x 110x 110x 111x 110x 110x 2x 2x 2x 2x 2x 2x 2x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 2x 2x 58x 58x 58x 58x 2x 2x 58x 58x 58x 58x 2x 2x 2x 2x 2x 2x 2x 2x 2x 65x 65x 65x 65x 65x 65x 65x 65x 65x 65x 65x 10x 10x 10x 8x 8x 8x 8x 8x 2x 10x 2x 2x 65x 65x 2x 2x 2x 2x 2x 2x 2x 5476x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 58x 54x 54x 54x 54x 58x 5476x 2x 2x 2x 2x 2x 5144x 5144x 5144x 5144x 5144x 5144x 45684x 45684x 45684x 5144x 5144x 5144x 5144x 5144x 5144x 2x 2x 2x 2x 2x 2x 137x 137x 2x 2x 2x 2x 2x 2x 2x 5104x 5104x | /** @import { ValidatedCompileOptions } from '#compiler' */
/** @import { Processed } from '../preprocess/public.js' */
/** @import { SourceMap } from 'magic-string' */
/** @import { Source } from '../preprocess/private.js' */
/** @import { DecodedSourceMap, SourceMapSegment, RawSourceMap } from '@ampproject/remapping' */
import remapping from '@ampproject/remapping';
import { push_array } from './push_array.js';
/**
* @param {string} s
*/
function last_line_length(s) {
return s.length - s.lastIndexOf('\n') - 1;
}
// mutate map in-place
/**
* @param {DecodedSourceMap} map
* @param {{ line: number; column: number; }} offset
* @param {number} source_index
*/
export function sourcemap_add_offset(map, offset, source_index) {
if (map.mappings.length == 0) return;
for (let line = 0; line < map.mappings.length; line++) {
const segment_list = map.mappings[line];
for (let segment = 0; segment < segment_list.length; segment++) {
const seg = segment_list[segment];
// shift only segments that belong to component source file
if (seg[1] === source_index) {
// also ensures that seg.length >= 4
// shift column if it points at the first line
if (seg[2] === 0) {
/** @type {any} */ (seg[3]) += offset.column;
}
// shift line
/** @type {any} */ (seg[2]) += offset.line;
}
}
}
}
/**
* @template T
* @param {T[]} this_table
* @param {T[]} other_table
* @returns {[T[], number[], boolean, boolean]}
*/
function merge_tables(this_table, other_table) {
const new_table = this_table.slice();
const idx_map = [];
other_table = other_table || [];
let val_changed = false;
for (const [other_idx, other_val] of other_table.entries()) {
const this_idx = this_table.indexOf(other_val);
if (this_idx >= 0) {
idx_map[other_idx] = this_idx;
} else {
const new_idx = new_table.length;
new_table[new_idx] = other_val;
idx_map[other_idx] = new_idx;
val_changed = true;
}
}
let idx_changed = val_changed;
if (val_changed) {
if (idx_map.find((val, idx) => val != idx) === undefined) {
// idx_map is identity map [0, 1, 2, 3, 4, ....]
idx_changed = false;
}
}
return [new_table, idx_map, val_changed, idx_changed];
}
const regex_line_token = /([^\w\s]|\s+)/g;
/** */
export class MappedCode {
/**
* @type {string}
*/
string = /** @type {any} */ (undefined);
/**
* @type {DecodedSourceMap}
*/
map = /** @type {any} */ (undefined);
/**
* @param {string} string
* @param {DecodedSourceMap | null} map
*/
constructor(string = '', map = null) {
this.string = string;
if (map) {
this.map = map;
} else {
this.map = {
version: 3,
mappings: [],
sources: [],
names: []
};
}
}
/**
* concat in-place (mutable), return this (chainable)
* will also mutate the `other` object
* @param {MappedCode} other
* @returns {MappedCode}
*/
concat(other) {
// noop: if one is empty, return the other
if (other.string == '') return this;
if (this.string == '') {
this.string = other.string;
this.map = other.map;
return this;
}
// compute last line length before mutating
const column_offset = last_line_length(this.string);
this.string += other.string;
const m1 = this.map;
const m2 = other.map;
if (m2.mappings.length == 0) return this;
// combine sources and names
const [sources, new_source_idx, sources_changed, sources_idx_changed] = merge_tables(
m1.sources,
m2.sources
);
const [names, new_name_idx, names_changed, names_idx_changed] = merge_tables(
m1.names,
m2.names
);
if (sources_changed) m1.sources = sources;
if (names_changed) m1.names = names;
// unswitched loops are faster
if (sources_idx_changed && names_idx_changed) {
for (let line = 0; line < m2.mappings.length; line++) {
const segment_list = m2.mappings[line];
for (let segment = 0; segment < segment_list.length; segment++) {
const seg = segment_list[segment];
// @ts-ignore
if (seg[1] >= 0) seg[1] = new_source_idx[seg[1]];
// @ts-ignore
if (seg[4] >= 0) seg[4] = new_name_idx[seg[4]];
}
}
} else if (sources_idx_changed) {
for (let line = 0; line < m2.mappings.length; line++) {
const segment_list = m2.mappings[line];
for (let segment = 0; segment < segment_list.length; segment++) {
const seg = segment_list[segment];
// @ts-ignore
if (seg[1] >= 0) seg[1] = new_source_idx[seg[1]];
}
}
} else if (names_idx_changed) {
for (let line = 0; line < m2.mappings.length; line++) {
const segment_list = m2.mappings[line];
for (let segment = 0; segment < segment_list.length; segment++) {
const seg = segment_list[segment];
// @ts-ignore
if (seg[4] >= 0) seg[4] = new_name_idx[seg[4]];
}
}
}
// combine the mappings
// combine
// 1. last line of first map
// 2. first line of second map
// columns of 2 must be shifted
if (m2.mappings.length > 0 && column_offset > 0) {
const first_line = m2.mappings[0];
for (let i = 0; i < first_line.length; i++) {
first_line[i][0] += column_offset;
}
}
// combine last line + first line
push_array(
m1.mappings[m1.mappings.length - 1],
/** @type {SourceMapSegment[]} */ (m2.mappings.shift())
);
// append other lines
push_array(m1.mappings, m2.mappings);
return this;
}
/**
* @static
* @param {string} string
* @param {DecodedSourceMap} [map]
* @returns {MappedCode}
*/
static from_processed(string, map) {
const line_count = string.split('\n').length;
if (map) {
// ensure that count of source map mappings lines
// is equal to count of generated code lines
// (some tools may produce less)
const missing_lines = line_count - map.mappings.length;
for (let i = 0; i < missing_lines; i++) {
map.mappings.push([]);
}
return new MappedCode(string, map);
}
if (string == '') return new MappedCode();
map = { version: 3, names: [], sources: [], mappings: [] };
// add empty SourceMapSegment[] for every line
for (let i = 0; i < line_count; i++) map.mappings.push([]);
return new MappedCode(string, map);
}
/**
* @static
* @param {Source} opts
* @returns {MappedCode}
*/
static from_source({ source, file_basename, get_location }) {
/**
* @type {{ line: number; column: number; }}
*/
let offset = get_location(0);
if (!offset) offset = { line: 0, column: 0 };
/**
* @type {DecodedSourceMap}
*/
const map = { version: 3, names: [], sources: [file_basename], mappings: [] };
if (source == '') return new MappedCode(source, map);
// we create a high resolution identity map here,
// we know that it will eventually be merged with svelte's map,
// at which stage the resolution will decrease.
const line_list = source.split('\n');
for (let line = 0; line < line_list.length; line++) {
map.mappings.push([]);
const token_list = line_list[line].split(regex_line_token);
for (let token = 0, column = 0; token < token_list.length; token++) {
if (token_list[token] == '') continue;
map.mappings[line].push([column, 0, offset.line + line, column]);
column += token_list[token].length;
}
}
// shift columns in first line
const segment_list = map.mappings[0];
for (let segment = 0; segment < segment_list.length; segment++) {
// @ts-ignore
segment_list[segment][3] += offset.column;
}
return new MappedCode(source, map);
}
}
// browser vs node.js
const b64enc =
typeof window !== 'undefined' && typeof btoa === 'function'
? /** @param {string} str */ (str) => btoa(unescape(encodeURIComponent(str)))
: /** @param {string} str */ (str) => Buffer.from(str).toString('base64');
const b64dec =
typeof window !== 'undefined' && typeof atob === 'function'
? atob
: /** @param {any} a */ (a) => Buffer.from(a, 'base64').toString();
/**
* @param {string} filename Basename of the input file
* @param {Array<DecodedSourceMap | RawSourceMap>} sourcemap_list
*/
export function combine_sourcemaps(filename, sourcemap_list) {
if (sourcemap_list.length == 0) return null;
let map_idx = 1;
const map =
sourcemap_list.slice(0, -1).find((m) => m.sources.length !== 1) === undefined
? remapping(
// use array interface
// only the oldest sourcemap can have multiple sources
sourcemap_list,
() => null,
true // skip optional field `sourcesContent`
)
: remapping(
// use loader interface
sourcemap_list[0], // last map
(sourcefile) => {
// TODO the equality check assumes that the preprocessor map has the input file as a relative path in sources,
// e.g. when the input file is `src/foo/bar.svelte`, then sources is expected to contain just `bar.svelte`.
// Therefore filename also needs to be the basename of the path. This feels brittle, investigate how we can
// harden this (without breaking other tooling that assumes this behavior).
if (sourcefile === filename && sourcemap_list[map_idx]) {
return sourcemap_list[map_idx++]; // idx 1, 2, ...
// bundle file = branch node
} else {
return null; // source file = leaf node
}
},
true
);
if (!map.file) delete map.file; // skip optional field `file`
// When source maps are combined and the leading map is empty, sources is not set.
// Add the filename to the empty array in this case.
// Further improvements to remapping may help address this as well https://github.com/ampproject/remapping/issues/116
if (!map.sources.length) map.sources = [filename];
return map;
}
/**
* @param {string} filename
* @param {SourceMap} svelte_map
* @param {string | DecodedSourceMap | RawSourceMap} preprocessor_map_input
* @returns {SourceMap}
*/
function apply_preprocessor_sourcemap(filename, svelte_map, preprocessor_map_input) {
if (!svelte_map || !preprocessor_map_input) return svelte_map;
const preprocessor_map =
typeof preprocessor_map_input === 'string'
? JSON.parse(preprocessor_map_input)
: preprocessor_map_input;
const result_map = combine_sourcemaps(filename, [svelte_map, preprocessor_map]);
// Svelte expects a SourceMap which includes toUrl and toString. Instead of wrapping our output in a class,
// we just tack on the extra properties.
Object.defineProperties(result_map, {
toString: {
enumerable: false,
value: function toString() {
return JSON.stringify(this);
}
},
toUrl: {
enumerable: false,
value: function toUrl() {
return 'data:application/json;charset=utf-8;base64,' + b64enc(this.toString());
}
}
});
return /** @type {any} */ (result_map);
}
const regex_data_uri = /data:(?:application|text)\/json;(?:charset[:=]\S+?;)?base64,(\S*)/;
// parse attached sourcemap in processed.code
/**
* @param {Processed} processed
* @param {'script' | 'style'} tag_name
* @returns {void}
*/
export function parse_attached_sourcemap(processed, tag_name) {
const r_in = '[#@]\\s*sourceMappingURL\\s*=\\s*(\\S*)';
const regex =
tag_name == 'script'
? new RegExp('(?://' + r_in + ')|(?:/\\*' + r_in + '\\s*\\*/)$')
: new RegExp('/\\*' + r_in + '\\s*\\*/$');
/**
* @param {any} message
*/
function log_warning(message) {
// code_start: help to find preprocessor
const code_start =
processed.code.length < 100 ? processed.code : processed.code.slice(0, 100) + ' [...]';
// eslint-disable-next-line no-console
console.warn(`warning: ${message}. processed.code = ${JSON.stringify(code_start)}`);
}
processed.code = processed.code.replace(regex, (_, match1, match2) => {
const map_url = tag_name == 'script' ? match1 || match2 : match1;
const map_data = (map_url.match(regex_data_uri) || [])[1];
if (map_data) {
// sourceMappingURL is data URL
if (processed.map) {
log_warning(
'Not implemented. ' +
'Found sourcemap in both processed.code and processed.map. ' +
'Please update your preprocessor to return only one sourcemap.'
);
// ignore attached sourcemap
return '';
}
processed.map = b64dec(map_data); // use attached sourcemap
return ''; // remove from processed.code
}
// sourceMappingURL is path or URL
if (!processed.map) {
log_warning(
`Found sourcemap path ${JSON.stringify(
map_url
)} in processed.code, but no sourcemap data. ` +
'Please update your preprocessor to return sourcemap data directly.'
);
}
// ignore sourcemap path
return ''; // remove from processed.code
});
}
/**
* @param {{ code: string, map: SourceMap}} result
* @param {ValidatedCompileOptions} options
* @param {string} source_name
*/
export function merge_with_preprocessor_map(result, options, source_name) {
if (options.sourcemap) {
const file_basename = get_basename(options.filename);
// The preprocessor map is expected to contain `sources: [basename_of_filename]`, but our own
// map may contain a different file name. Patch our map beforehand to align sources so merging
// with the preprocessor map works correctly.
result.map.sources = [file_basename];
result.map = apply_preprocessor_sourcemap(
file_basename,
result.map,
/** @type {any} */ (options.sourcemap)
);
// After applying the preprocessor map, we need to do the inverse and make the sources
// relative to the input file again in case the output code is in a different directory.
if (file_basename !== source_name) {
result.map.sources = result.map.sources.map(
/** @param {string} source */ (source) => get_relative_path(source_name, source)
);
}
}
}
/**
* @param {string} from
* @param {string} to
*/
function get_relative_path(from, to) {
// Don't use node's utils here to ensure the compiler is usable in a browser environment
const from_parts = from.split(/[/\\]/);
const to_parts = to.split(/[/\\]/);
from_parts.pop(); // get dirname
while (from_parts[0] === to_parts[0]) {
from_parts.shift();
to_parts.shift();
}
if (from_parts.length) {
let i = from_parts.length;
while (i--) from_parts[i] = '..';
}
return from_parts.concat(to_parts).join('/');
}
/**
* Like node's `basename`, but doesn't use it to ensure the compiler is usable in a browser environment
* @param {string} filename
*/
export function get_basename(filename) {
return /** @type {string} */ (filename.split(/[/\\]/).pop());
}
/**
* @param {string} filename
* @param {string | undefined} output_filename
* @param {string} fallback
*/
export function get_source_name(filename, output_filename, fallback) {
return output_filename ? get_relative_path(output_filename, filename) : get_basename(filename);
}
|