@mypaas/hcm-cli
Version:
Vant Cli 是一个 Vue 组件库构建工具，通过 Vant Cli 可以快速搭建一套功能完备的 Vue 组件库。
73 lines (72 loc) • 2.43 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.replaceScriptImportExt = exports.getDeps = exports.clearDepsCache = exports.fillExt = void 0;
const path_1 = require("path");
const constant_1 = require("../common/constant");
const fs_extra_1 = require("fs-extra");
let depsMap = {};
let existsCache = {};
// https://regexr.com/47jlq
const IMPORT_RE = /import\s+?(?:(?:(?:[\w*\s{},]*)\s+from(\s+)?)|)(?:(?:".*?")|(?:'.*?'))[\s]*?(?:;|$|)/g;
function matchImports(code) {
return code.match(IMPORT_RE) || [];
}
function exists(filePath) {
if (!(filePath in existsCache)) {
existsCache[filePath] = fs_extra_1.existsSync(filePath);
}
return existsCache[filePath];
}
function fillExt(filePath) {
for (let i = 0; i < constant_1.SCRIPT_EXTS.length; i++) {
const completePath = `${filePath}${constant_1.SCRIPT_EXTS[i]}`;
if (exists(completePath)) {
return completePath;
}
}
for (let i = 0; i < constant_1.SCRIPT_EXTS.length; i++) {
const completePath = `${filePath}/index${constant_1.SCRIPT_EXTS[i]}`;
if (exists(completePath)) {
return completePath;
}
}
return '';
}
exports.fillExt = fillExt;
function getPathByImport(code, filePath) {
const divider = code.includes('"') ? '"' : "'";
const relativePath = code.split(divider)[1];
if (relativePath.includes('.')) {
return fillExt(path_1.join(filePath, '..', relativePath));
}
return null;
}
function clearDepsCache() {
depsMap = {};
existsCache = {};
}
exports.clearDepsCache = clearDepsCache;
function getDeps(filePath) {
if (depsMap[filePath]) {
return depsMap[filePath];
}
const code = fs_extra_1.readFileSync(filePath, 'utf-8');
const imports = matchImports(code);
const paths = imports
.map((item) => getPathByImport(item, filePath))
.filter((item) => !!item);
depsMap[filePath] = paths;
paths.forEach(getDeps);
return paths;
}
exports.getDeps = getDeps;
// "import App from 'App.vue';" => "import App from 'App.xxx';"
function replaceScriptImportExt(code, from, to) {
const importLines = matchImports(code);
importLines.forEach((importLine) => {
const result = importLine.replace(from, to);
code = code.replace(importLine, result);
});
return code;
}
exports.replaceScriptImportExt = replaceScriptImportExt;