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Output plugin support #13

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Output plugin support #13

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215 changes: 119 additions & 96 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -123,123 +123,146 @@ export default function replace (options = {}) {
const filter = createFilter(options.include, options.exclude)
let contents = []
let patterns = options.patterns || (options.patterns = [])
let hook = options.hook || (options.hook = 'transform');
parseDefines(options.defines, patterns)
parseReplaces(options.replaces, patterns)
parsePatterns(patterns, contents)
return {
name: 're',
transform (code, id) {
if (!filter(id)) {
verbose(options, 'exclude', id)

function transform (code, id) {
if (!filter(id)) {
verbose(options, 'exclude', id)
return
}
if (!contents.length) {
verbose(options, 'ignore', id)
return
}
let hasReplacements = false
let magicString = new MagicString(code)
contents.forEach((pattern) => {
if (!pattern.filter(id)) {
return
}
if (!contents.length) {
verbose(options, 'ignore', id)
if (pattern.matcher && !pattern.matcher(id)) {
return
}
let hasReplacements = false
let magicString = new MagicString(code)
contents.forEach((pattern) => {
if (!pattern.filter(id)) {
return
// replace content
if (pattern.replaceContent) {
let res = {
id,
code,
magicString
}
if (pattern.matcher && !pattern.matcher(id)) {
return
pattern.replaceContent(res)
if (isString(res.content) && res.content !== code) {
hasReplacements = true
magicString = new MagicString(res.content)
code = res.content
}
// replace content
if (pattern.replaceContent) {
let res = {
id,
code,
magicString
}
pattern.replaceContent(res)
if (isString(res.content) && res.content !== code) {
hasReplacements = true
magicString = new MagicString(res.content)
code = res.content
}
}
// transform
if (isFunction(pattern.transform)) {
let newCode = pattern.transform(code, id)
if (isString(newCode) && newCode !== code) {
hasReplacements = true
magicString = new MagicString(newCode)
code = newCode
}
// transform
if (isFunction(pattern.transform)) {
let newCode = pattern.transform(code, id)
if (isString(newCode) && newCode !== code) {
hasReplacements = true
magicString = new MagicString(newCode)
code = newCode
}
// test & replace
if (pattern.testIsRegexp) {
let match = pattern.test.exec(code)
let start, end
while (match) {
hasReplacements = true
start = match.index
end = start + match[0].length
let str
if (pattern.replaceIsString) {
// fill capture groups
str = pattern.replace.replace(/\$\$|\$&|\$`|\$'|\$\d+/g, m => {
if (m === '$$') {
return '$'
}
if (m === '$&') {
return match[0]
}
if (m === '$`') {
return code.slice(0, start)
}
if (m === "$'") {
return code.slice(end)
}
const n = +m.slice(1)
if (n >= 1 && n < match.length) {
return match[n] || ''
}
return m
})
} else {
str = pattern.replace.apply(null, match)
}
if (!isString(str)) {
throw new Error('[rollup-plugin-re] replace function should return a string')
}
magicString.overwrite(start, end, str)
match = pattern.test.global ? pattern.test.exec(code) : null
}
// test & replace
if (pattern.testIsRegexp) {
let match = pattern.test.exec(code)
let start, end
while (match) {
hasReplacements = true
start = match.index
end = start + match[0].length
let str
if (pattern.replaceIsString) {
// fill capture groups
str = pattern.replace.replace(/\$\$|\$&|\$`|\$'|\$\d+/g, m => {
if (m === '$$') {
return '$'
}
if (m === '$&') {
return match[0]
}
if (m === '$`') {
return code.slice(0, start)
}
if (m === "$'") {
return code.slice(end)
}
const n = +m.slice(1)
if (n >= 1 && n < match.length) {
return match[n] || ''
}
return m
})
} else {
str = pattern.replace.apply(null, match)
}
} else if (pattern.testIsString) {
let start, end
let len = pattern.test.length
let pos = code.indexOf(pattern.test)
while (pos !== -1) {
hasReplacements = true
start = pos
end = start + len
if (pattern.replaceIsString) {
magicString.overwrite(start, end, pattern.replace)
} else if (pattern.replaceIsFunction) {
let str = pattern.replace(id)
if (!isString(str)) {
throw new Error('[rollup-plugin-re] replace function should return a string')
}
magicString.overwrite(start, end, str)
match = pattern.test.global ? pattern.test.exec(code) : null
}
} else if (pattern.testIsString) {
let start, end
let len = pattern.test.length
let pos = code.indexOf(pattern.test)
while (pos !== -1) {
hasReplacements = true
start = pos
end = start + len
if (pattern.replaceIsString) {
magicString.overwrite(start, end, pattern.replace)
} else if (pattern.replaceIsFunction) {
let str = pattern.replace(id)
if (!isString(str)) {
throw new Error('[rollup-plugin-re] replace function should return a string')
pos = code.indexOf(pattern.test, pos + 1)
}
}
})

if (!hasReplacements) {
return
}
verbose(options, 'replace', id)
let result = { code: magicString.toString() }
if (options.sourceMap !== false) {
result.map = magicString.generateMap({ hires: true })
}
return result
}

return {
name: 're',
...options.hook === 'generateBundle' ? {
generateBundle(_, bundle) {
Object.keys(bundle).forEach((k) => {
if ('code' in bundle[k]) {
const chunk = bundle[k];

const transformed = transform(chunk.code, chunk.facadeModuleId || chunk.fileName);

if (transformed) {
chunk.code = transformed.code;

if (transformed.map) {
// Update source map
chunk.map = transformed.map;
}
magicString.overwrite(start, end, str)
}
pos = code.indexOf(pattern.test, pos + 1)
}
}
})

if (!hasReplacements) {
return
});
}
verbose(options, 'replace', id)
let result = { code: magicString.toString() }
if (options.sourceMap !== false) {
result.map = magicString.generateMap({ hires: true })
}
return result
}
} : { transform }
}
}

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