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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,153 +1,23 @@ | ||
| import { builtinModules } from 'node:module' | ||
| import { type AcornNode } from './types' | ||
| import { multilineCommentsRE, singlelineCommentsRE } from 'vite-plugin-utils/constant' | ||
|
|
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| // ------------------------------------------------- RegExp | ||
|
|
||
| export const normallyImporteeRE = /^\.{1,2}\/[.-/\w]+(\.\w+)$/ | ||
| export const multilineCommentsRE = /\/\*(.|[\r\n])*?\*\//gm | ||
| export const singlelineCommentsRE = /\/\/.*/g | ||
| export const queryRE = /\?.*$/s | ||
| export const hashRE = /#.*$/s | ||
|
|
||
| // ------------------------------------------------- const | ||
|
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| export const JS_EXTENSIONS = [ | ||
| '.mjs', | ||
| '.js', | ||
| '.ts', | ||
| '.jsx', | ||
| '.tsx', | ||
| '.cjs' | ||
| ] | ||
| export const KNOWN_SFC_EXTENSIONS = [ | ||
| '.vue', | ||
| '.svelte', | ||
| ] | ||
| // https://github.com/vitejs/vite/blob/d6418605577319b2f92ea37081e34376bb47b286/packages/vite/src/node/constants.ts#L66 | ||
| export const KNOWN_ASSET_TYPES = [ | ||
| // images | ||
| 'png', | ||
| 'jpg', | ||
| 'jpeg', | ||
| 'gif', | ||
| 'svg', | ||
| 'ico', | ||
| 'webp', | ||
| 'avif', | ||
|
|
||
| // media | ||
| 'mp4', | ||
| 'webm', | ||
| 'ogg', | ||
| 'mp3', | ||
| 'wav', | ||
| 'flac', | ||
| 'aac', | ||
|
|
||
| // fonts | ||
| 'woff2?', | ||
| 'eot', | ||
| 'ttf', | ||
| 'otf', | ||
|
|
||
| // other | ||
| 'webmanifest', | ||
| 'pdf', | ||
| 'txt' | ||
| ] | ||
| export const KNOWN_CSS_TYPES = [ | ||
| 'css', | ||
| 'less', | ||
| 'sass', | ||
| 'scss', | ||
| 'styl', | ||
| 'stylus', | ||
| 'pcss', | ||
| 'postcss', | ||
| ] | ||
| export const builtins = [ | ||
| ...builtinModules.map(m => !m.startsWith('_')), | ||
| ...builtinModules.map(m => !m.startsWith('_')).map(m => `node:${m}`) | ||
| ] | ||
|
|
||
| // ------------------------------------------------- function | ||
|
|
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| export function cleanUrl(url: string): string { | ||
| return url.replace(hashRE, '').replace(queryRE, '') | ||
| } | ||
|
|
||
| export function isCommonjs(code: string) { | ||
| // Avoid matching the content of the comment | ||
| code = code | ||
| .replace(multilineCommentsRE, '') | ||
| .replace(singlelineCommentsRE, '') | ||
| return /\b(?:require|module|exports)\b/.test(code) | ||
| } | ||
|
|
||
| export function simpleWalk( | ||
| ast: AcornNode, | ||
| visitors: { | ||
| [type: string]: (node: AcornNode, ancestors: AcornNode[]) => void, | ||
| }, | ||
| ancestors: AcornNode[] = [], | ||
| ) { | ||
| if (!ast) return | ||
| if (Array.isArray(ast)) { | ||
| for (const element of ast as AcornNode[]) { | ||
| simpleWalk(element, visitors, ancestors) | ||
| } | ||
| } else { | ||
| ancestors = ancestors.concat(ast) | ||
| for (const key of Object.keys(ast)) { | ||
| (typeof ast[key] === 'object' && | ||
| simpleWalk(ast[key], visitors, ancestors)) | ||
| } | ||
| } | ||
| visitors[ast.type]?.(ast, ancestors) | ||
| } | ||
| // TODO | ||
| simpleWalk.async = function simpleWalkAsync() { } | ||
|
|
||
| export class MagicString { | ||
| private overwrites!: { loc: [number, number]; content: string }[] | ||
| private starts = '' | ||
| private ends = '' | ||
|
|
||
| constructor( | ||
| public str: string | ||
| ) { } | ||
|
|
||
| public append(content: string) { | ||
| this.ends += content | ||
| return this | ||
| } | ||
|
|
||
| public prepend(content: string) { | ||
| this.starts = content + this.starts | ||
| return this | ||
| } | ||
|
|
||
| public overwrite(start: number, end: number, content: string) { | ||
| if (end < start) { | ||
| throw new Error(`"end" con't be less than "start".`) | ||
| } | ||
| if (!this.overwrites) { | ||
| this.overwrites = [] | ||
| } | ||
|
|
||
| this.overwrites.push({ loc: [start, end], content }) | ||
| return this | ||
| } | ||
|
|
||
| public toString() { | ||
| let str = this.str | ||
| if (this.overwrites) { | ||
| const arr = [...this.overwrites].sort((a, b) => b.loc[0] - a.loc[0]) | ||
| for (const { loc: [start, end], content } of arr) { | ||
| // TODO: check start or end overlap | ||
| str = str.slice(0, start) + content + str.slice(end) | ||
| } | ||
| } | ||
| return this.starts + str + this.ends | ||
| } | ||
| } |