|
| 1 | +import { |
| 2 | + LocationStub, |
| 3 | + baseCompile, |
| 4 | + CompileError, |
| 5 | + ResourceNode, |
| 6 | + CompileOptions |
| 7 | +} from '@intlify/message-compiler' |
| 8 | +import { |
| 9 | + SourceMapGenerator, |
| 10 | + SourceMapConsumer, |
| 11 | + MappedPosition, |
| 12 | + MappingItem |
| 13 | +} from 'source-map' |
| 14 | + |
| 15 | +import type { RawSourceMap } from 'source-map' |
| 16 | + |
| 17 | +export type DevEnv = 'development' | 'production' |
| 18 | + |
| 19 | +export interface Position { |
| 20 | + line: number |
| 21 | + column: number |
| 22 | + offset?: number |
| 23 | +} |
| 24 | + |
| 25 | +export interface SourceLocationable { |
| 26 | + loc?: { |
| 27 | + start: Position |
| 28 | + end: Position |
| 29 | + } |
| 30 | +} |
| 31 | + |
| 32 | +export interface CodeGenOptions { |
| 33 | + type?: 'plain' | 'sfc' |
| 34 | + source?: string |
| 35 | + sourceMap?: boolean |
| 36 | + filename?: string |
| 37 | + inSourceMap?: RawSourceMap |
| 38 | + isGlobal?: boolean |
| 39 | + locale?: string |
| 40 | + env?: DevEnv |
| 41 | + forceStringify?: boolean |
| 42 | + onWarn?: (msg: string) => void |
| 43 | + onError?: (msg: string) => void |
| 44 | +} |
| 45 | + |
| 46 | +export interface CodeGenContext { |
| 47 | + source?: string |
| 48 | + code: string |
| 49 | + indentLevel: number |
| 50 | + filename: string |
| 51 | + line: number |
| 52 | + column: number |
| 53 | + offset: number |
| 54 | + env: DevEnv |
| 55 | + forceStringify: boolean |
| 56 | + map?: SourceMapGenerator |
| 57 | +} |
| 58 | + |
| 59 | +export interface CodeGenerator { |
| 60 | + context(): CodeGenContext |
| 61 | + push<Node extends SourceLocationable>( |
| 62 | + code: string, |
| 63 | + node?: Node, |
| 64 | + name?: string |
| 65 | + ): void |
| 66 | + indent(withNewLine?: boolean): void |
| 67 | + deindent(withNewLine?: boolean): void |
| 68 | + newline(): void |
| 69 | + pushline<Node extends SourceLocationable>( |
| 70 | + code: string, |
| 71 | + node?: Node, |
| 72 | + name?: string |
| 73 | + ): void |
| 74 | +} |
| 75 | + |
| 76 | +export interface CodeGenResult<ASTNode> { |
| 77 | + code: string |
| 78 | + ast: ASTNode |
| 79 | + map?: RawSourceMap |
| 80 | +} |
| 81 | + |
| 82 | +export function createCodeGenerator( |
| 83 | + options: CodeGenOptions = { |
| 84 | + filename: 'bundle.json', |
| 85 | + sourceMap: false, |
| 86 | + env: 'development', |
| 87 | + forceStringify: false |
| 88 | + } |
| 89 | +): CodeGenerator { |
| 90 | + const { sourceMap, source, filename } = options |
| 91 | + const _context = Object.assign( |
| 92 | + { |
| 93 | + code: '', |
| 94 | + column: 1, |
| 95 | + line: 1, |
| 96 | + offset: 0, |
| 97 | + map: undefined, |
| 98 | + indentLevel: 0 |
| 99 | + }, |
| 100 | + options |
| 101 | + ) as CodeGenContext |
| 102 | + |
| 103 | + const context = (): CodeGenContext => _context |
| 104 | + |
| 105 | + function push<Node extends SourceLocationable>( |
| 106 | + code: string, |
| 107 | + node?: Node, |
| 108 | + name?: string |
| 109 | + ): void { |
| 110 | + _context.code += code |
| 111 | + if (_context.map) { |
| 112 | + if (node && node.loc && node.loc !== LocationStub) { |
| 113 | + addMapping(node.loc.start, name) |
| 114 | + } |
| 115 | + advancePositionWithSource(_context as Position, code) |
| 116 | + } |
| 117 | + } |
| 118 | + |
| 119 | + function _newline(n: number): void { |
| 120 | + push('\n' + ` `.repeat(n)) |
| 121 | + } |
| 122 | + |
| 123 | + function indent(withNewLine = true): void { |
| 124 | + const level = ++_context.indentLevel |
| 125 | + withNewLine && _newline(level) |
| 126 | + } |
| 127 | + |
| 128 | + function deindent(withNewLine = true): void { |
| 129 | + const level = --_context.indentLevel |
| 130 | + withNewLine && _newline(level) |
| 131 | + } |
| 132 | + |
| 133 | + function newline(): void { |
| 134 | + _newline(_context.indentLevel) |
| 135 | + } |
| 136 | + |
| 137 | + function pushline<Node extends SourceLocationable>( |
| 138 | + code: string, |
| 139 | + node?: Node, |
| 140 | + name?: string |
| 141 | + ): void { |
| 142 | + push(code, node, name) |
| 143 | + newline() |
| 144 | + } |
| 145 | + |
| 146 | + function addMapping(loc: Position, name?: string) { |
| 147 | + _context.map!.addMapping({ |
| 148 | + name, |
| 149 | + source: _context.filename, |
| 150 | + original: { |
| 151 | + line: loc.line, |
| 152 | + column: loc.column - 1 |
| 153 | + }, |
| 154 | + generated: { |
| 155 | + line: _context.line, |
| 156 | + column: _context.column - 1 |
| 157 | + } |
| 158 | + }) |
| 159 | + } |
| 160 | + |
| 161 | + if (sourceMap && source) { |
| 162 | + _context.map = new SourceMapGenerator() |
| 163 | + _context.map.setSourceContent(filename!, source) |
| 164 | + } |
| 165 | + |
| 166 | + return { |
| 167 | + context, |
| 168 | + push, |
| 169 | + indent, |
| 170 | + deindent, |
| 171 | + newline, |
| 172 | + pushline |
| 173 | + } |
| 174 | +} |
| 175 | + |
| 176 | +function advancePositionWithSource( |
| 177 | + pos: Position, |
| 178 | + source: string, |
| 179 | + numberOfCharacters: number = source.length |
| 180 | +): Position { |
| 181 | + if (pos.offset == null) { |
| 182 | + return pos |
| 183 | + } |
| 184 | + |
| 185 | + let linesCount = 0 |
| 186 | + let lastNewLinePos = -1 |
| 187 | + for (let i = 0; i < numberOfCharacters; i++) { |
| 188 | + if (source.charCodeAt(i) === 10 /* newline char code */) { |
| 189 | + linesCount++ |
| 190 | + lastNewLinePos = i |
| 191 | + } |
| 192 | + } |
| 193 | + |
| 194 | + pos.offset += numberOfCharacters |
| 195 | + pos.line += linesCount |
| 196 | + pos.column = |
| 197 | + lastNewLinePos === -1 |
| 198 | + ? pos.column + numberOfCharacters |
| 199 | + : numberOfCharacters - lastNewLinePos |
| 200 | + |
| 201 | + return pos |
| 202 | +} |
| 203 | + |
| 204 | +export function generateMessageFunction( |
| 205 | + msg: string, |
| 206 | + options: CodeGenOptions |
| 207 | +): CodeGenResult<ResourceNode> { |
| 208 | + const env = options.env != null ? options.env : 'development' |
| 209 | + let occured = false |
| 210 | + const newOptions = Object.assign(options, { mode: 'arrow' }) as CompileOptions |
| 211 | + newOptions.onError = (err: CompileError): void => { |
| 212 | + options.onError && options.onError(err.message) |
| 213 | + occured = true |
| 214 | + } |
| 215 | + const { code, ast, map } = baseCompile(msg, newOptions) |
| 216 | + const genCode = !occured |
| 217 | + ? env === 'development' |
| 218 | + ? `(()=>{const fn=${code};fn.source=${JSON.stringify(msg)};return fn;})()` |
| 219 | + : `${code}` |
| 220 | + : msg |
| 221 | + return { code: genCode, ast, map } |
| 222 | +} |
| 223 | + |
| 224 | +export function mapLinesColumns( |
| 225 | + resMap: RawSourceMap, |
| 226 | + codeMaps: Map<string, RawSourceMap>, |
| 227 | + inSourceMap?: RawSourceMap |
| 228 | +): RawSourceMap | null { |
| 229 | + if (!resMap) { |
| 230 | + return null |
| 231 | + } |
| 232 | + |
| 233 | + const resMapConsumer = new SourceMapConsumer(resMap) |
| 234 | + const inMapConsumer = inSourceMap ? new SourceMapConsumer(inSourceMap) : null |
| 235 | + const mergedMapGenerator = new SourceMapGenerator() |
| 236 | + |
| 237 | + let inMapFirstItem: MappingItem | null = null |
| 238 | + if (inMapConsumer) { |
| 239 | + inMapConsumer.eachMapping(m => { |
| 240 | + if (inMapFirstItem) { |
| 241 | + return |
| 242 | + } |
| 243 | + inMapFirstItem = m |
| 244 | + }) |
| 245 | + } |
| 246 | + |
| 247 | + resMapConsumer.eachMapping(res => { |
| 248 | + if (res.originalLine == null) { |
| 249 | + return |
| 250 | + } |
| 251 | + |
| 252 | + const map = codeMaps.get(res.name) |
| 253 | + if (!map) { |
| 254 | + return |
| 255 | + } |
| 256 | + |
| 257 | + let inMapOrigin: MappedPosition | null = null |
| 258 | + if (inMapConsumer) { |
| 259 | + inMapOrigin = inMapConsumer.originalPositionFor({ |
| 260 | + line: res.originalLine, |
| 261 | + column: res.originalColumn - 1 |
| 262 | + }) |
| 263 | + if (inMapOrigin.source == null) { |
| 264 | + inMapOrigin = null |
| 265 | + return |
| 266 | + } |
| 267 | + } |
| 268 | + |
| 269 | + const mapConsumer = new SourceMapConsumer(map) |
| 270 | + mapConsumer.eachMapping(m => { |
| 271 | + mergedMapGenerator.addMapping({ |
| 272 | + original: { |
| 273 | + line: inMapFirstItem |
| 274 | + ? inMapFirstItem.originalLine + res.originalLine - 2 |
| 275 | + : res.originalLine, |
| 276 | + column: inMapFirstItem |
| 277 | + ? inMapFirstItem.originalColumn + res.originalColumn |
| 278 | + : res.originalColumn |
| 279 | + }, |
| 280 | + generated: { |
| 281 | + line: inMapFirstItem |
| 282 | + ? inMapFirstItem.generatedLine + res.originalLine - 2 |
| 283 | + : res.originalLine, |
| 284 | + // map column with message format compilation code map |
| 285 | + column: inMapFirstItem |
| 286 | + ? inMapFirstItem.generatedColumn + |
| 287 | + res.originalColumn + |
| 288 | + m.generatedColumn |
| 289 | + : res.originalColumn + m.generatedColumn |
| 290 | + }, |
| 291 | + source: inMapOrigin ? inMapOrigin.source : res.source, |
| 292 | + name: m.name // message format compilation code |
| 293 | + }) |
| 294 | + }) |
| 295 | + }) |
| 296 | + |
| 297 | + // eslint-disable-next-line @typescript-eslint/no-explicit-any |
| 298 | + const generator = mergedMapGenerator as any |
| 299 | + // const targetConsumer = inMapConsumer || resMapConsumer |
| 300 | + const targetConsumer = inMapConsumer || resMapConsumer |
| 301 | + // eslint-disable-next-line @typescript-eslint/no-explicit-any |
| 302 | + ;(targetConsumer as any).sources.forEach((sourceFile: string) => { |
| 303 | + generator._sources.add(sourceFile) |
| 304 | + const sourceContent = targetConsumer.sourceContentFor(sourceFile) |
| 305 | + if (sourceContent != null) { |
| 306 | + mergedMapGenerator.setSourceContent(sourceFile, sourceContent) |
| 307 | + } |
| 308 | + }) |
| 309 | + |
| 310 | + generator._sourceRoot = inSourceMap |
| 311 | + ? inSourceMap.sourceRoot |
| 312 | + : resMap.sourceRoot |
| 313 | + generator._file = inSourceMap ? inSourceMap.file : resMap.file |
| 314 | + |
| 315 | + return generator.toJSON() |
| 316 | +} |
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