convert-vue2-vue3-comp.js
· 2.6 KiB · JavaScript
Raw
// Put everything under export default { into exported (as an object)
const exported = {}
function cleanCode(input) {
return input
.replace(/this\.([a-zA-Z$_]+)\(/g, '$1(')
.replace(/this\.([a-zA-Z$_]+)/g, '$1.value')
.replace(/\$emit/g, 'emit')
.replace(/\$(route|router)\.value/g, '$1')
}
function getData() {
let data = exported.data()
let output = ""
for(var key in data) {
let v = data[key]
if(v && typeof v === "object") {
v = JSON.stringify(data[key], null, 2).replace(/"([^"]+)":/g, '$1:')
}
output += `let ${key} = ref(${v})\n`
}
return output
}
function getWatch() {
let output = ""
if(exported.watch) {
for(const key in exported.watch) {
let func = exported.watch[key].handler.toString()
.replace(/handler\((.*)\)\s*{(.*)}/s, (match, p1, p2) => {
return `(${p1}) => { ${cleanCode(p2)} }`
})
output += `watch(${key}, ${func})\n`
}
}
return output
}
function getComputed() {
let output = ""
if(exported.computed) {
for(const key in exported.computed) {
let func = exported.computed[key].toString()
.replace(new RegExp(`${key}\\s*\\((.*)\\)\\s*{(.*)}`,'s'), (match, p1, p2) => {
return `(${p1}) => { ${cleanCode(p2)} }`
})
output += `const ${key} = computed(${func})\n`
}
}
return output
}
function getMethods() {
let output = ""
if(exported.methods) {
for(const key in exported.methods) {
let func = exported.methods[key].toString()
.replace(/([a-zA-Z\s]+\s)?([a-zA-Z_]+)\s*\(([a-zA-Z,\s]*)\)\s*{(.*)}/s, (match, p1, p2, p3, p4) => {
return `${p1||''}function ${p2}(${p3}) {\n${cleanCode(p4)}\n}\n`
})
output += func
}
}
return output
}
function getHooks() {
let output = ""
if(exported.created) {
const rawfunc = exported.created.toString()
const func = rawfunc.slice(rawfunc.indexOf("{") + 1, rawfunc.lastIndexOf("}"));
output += `onBeforeMount(() => {\n${cleanCode(func)}\n})`
}
if(exported.mounted) {
const rawfunc = exported.mounted.toString()
const func = rawfunc.slice(rawfunc.indexOf("{") + 1, rawfunc.lastIndexOf("}"));
output += `onMounted(() => {\n${cleanCode(func)}\n})`
}
return output
}
let output = `import { ref, watch, computed, onBeforeMount, onMounted } from 'vue'\n`
output += `import { useRoute, useRouter } from 'vue-router'\n`
output += `const route = useRoute()\nconst router = useRouter()\n`
output += getData() + "\n"
output += getWatch() + "\n"
output += getComputed() + "\n"
output += getMethods() + "\n"
output += getHooks() + "\n"
console.log(output)
| 1 | // Put everything under export default { into exported (as an object) |
| 2 | const exported = {} |
| 3 | |
| 4 | function cleanCode(input) { |
| 5 | return input |
| 6 | .replace(/this\.([a-zA-Z$_]+)\(/g, '$1(') |
| 7 | .replace(/this\.([a-zA-Z$_]+)/g, '$1.value') |
| 8 | .replace(/\$emit/g, 'emit') |
| 9 | .replace(/\$(route|router)\.value/g, '$1') |
| 10 | } |
| 11 | |
| 12 | function getData() { |
| 13 | let data = exported.data() |
| 14 | let output = "" |
| 15 | for(var key in data) { |
| 16 | let v = data[key] |
| 17 | if(v && typeof v === "object") { |
| 18 | v = JSON.stringify(data[key], null, 2).replace(/"([^"]+)":/g, '$1:') |
| 19 | } |
| 20 | output += `let ${key} = ref(${v})\n` |
| 21 | } |
| 22 | return output |
| 23 | } |
| 24 | |
| 25 | function getWatch() { |
| 26 | let output = "" |
| 27 | if(exported.watch) { |
| 28 | for(const key in exported.watch) { |
| 29 | let func = exported.watch[key].handler.toString() |
| 30 | .replace(/handler\((.*)\)\s*{(.*)}/s, (match, p1, p2) => { |
| 31 | return `(${p1}) => { ${cleanCode(p2)} }` |
| 32 | }) |
| 33 | output += `watch(${key}, ${func})\n` |
| 34 | } |
| 35 | } |
| 36 | return output |
| 37 | } |
| 38 | |
| 39 | function getComputed() { |
| 40 | let output = "" |
| 41 | if(exported.computed) { |
| 42 | for(const key in exported.computed) { |
| 43 | let func = exported.computed[key].toString() |
| 44 | .replace(new RegExp(`${key}\\s*\\((.*)\\)\\s*{(.*)}`,'s'), (match, p1, p2) => { |
| 45 | return `(${p1}) => { ${cleanCode(p2)} }` |
| 46 | }) |
| 47 | output += `const ${key} = computed(${func})\n` |
| 48 | } |
| 49 | } |
| 50 | return output |
| 51 | } |
| 52 | |
| 53 | function getMethods() { |
| 54 | let output = "" |
| 55 | if(exported.methods) { |
| 56 | for(const key in exported.methods) { |
| 57 | let func = exported.methods[key].toString() |
| 58 | .replace(/([a-zA-Z\s]+\s)?([a-zA-Z_]+)\s*\(([a-zA-Z,\s]*)\)\s*{(.*)}/s, (match, p1, p2, p3, p4) => { |
| 59 | return `${p1||''}function ${p2}(${p3}) {\n${cleanCode(p4)}\n}\n` |
| 60 | }) |
| 61 | output += func |
| 62 | } |
| 63 | } |
| 64 | return output |
| 65 | } |
| 66 | |
| 67 | function getHooks() { |
| 68 | let output = "" |
| 69 | if(exported.created) { |
| 70 | const rawfunc = exported.created.toString() |
| 71 | const func = rawfunc.slice(rawfunc.indexOf("{") + 1, rawfunc.lastIndexOf("}")); |
| 72 | output += `onBeforeMount(() => {\n${cleanCode(func)}\n})` |
| 73 | } |
| 74 | if(exported.mounted) { |
| 75 | const rawfunc = exported.mounted.toString() |
| 76 | const func = rawfunc.slice(rawfunc.indexOf("{") + 1, rawfunc.lastIndexOf("}")); |
| 77 | output += `onMounted(() => {\n${cleanCode(func)}\n})` |
| 78 | } |
| 79 | return output |
| 80 | } |
| 81 | |
| 82 | |
| 83 | let output = `import { ref, watch, computed, onBeforeMount, onMounted } from 'vue'\n` |
| 84 | output += `import { useRoute, useRouter } from 'vue-router'\n` |
| 85 | output += `const route = useRoute()\nconst router = useRouter()\n` |
| 86 | output += getData() + "\n" |
| 87 | output += getWatch() + "\n" |
| 88 | output += getComputed() + "\n" |
| 89 | output += getMethods() + "\n" |
| 90 | output += getHooks() + "\n" |
| 91 | |
| 92 | console.log(output) |