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upload ide/js/store.js
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‎ide/js/store.js‎

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/* ============================================================
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* HC v0.01 —— 数据层 store.js
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* 职责：
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* 1) 项目 / 页面 CRUD，localStorage 本地持久化
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* 2) 首次零项目引导判定（hasAnyProject / lastActive）
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* 3) .hc 文件导出 / 导入
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* 数据形态（localStorage 键：HICODE_DATA）：
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* {
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* projects: { <projId>: { id, name, createdAt, updatedAt,
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* pages: { <pageId>: { id, name, code,
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* images: { <varName>: dataURL } } } } },
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* lastProjectId, lastPageId
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* }
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* 图片以 dataURL 内嵌进项目数据，随 .hc 一并保存。
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* ============================================================ */
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(function (root, factory) {
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const api = factory();
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if (typeof module !== "undefined" && module.exports) module.exports = api;
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if (root) root.Store = api;
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})(typeof self !== "undefined" ? self : null, function () {
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"use strict";
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const KEY = "HICODE_DATA";
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const STORE_VERSION = "v0.01";
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function uuid() {
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return "h" + Date.now().toString(36) + Math.random().toString(36).slice(2, 8);
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}
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function now() { return Date.now(); }
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function emptyData() {
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return { projects: {}, lastProjectId: null, lastPageId: null };
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}
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// 严格在浏览器可用时读写 localStorage；非浏览器环境退化为内存态，便于测试
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let _mem = null;
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function hasLS() {
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try { return typeof localStorage !== "undefined" && !!localStorage; } catch (e) { return false; }
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}
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function load() {
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if (!hasLS()) return (_mem ? JSON.parse(JSON.stringify(_mem)) : emptyData());
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try {
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const raw = localStorage.getItem(KEY);
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if (!raw) return emptyData();
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const d = JSON.parse(raw);
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if (!d || typeof d.projects !== "object") return emptyData();
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return d;
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} catch (e) { return emptyData(); }
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}
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function save(d) {
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if (!hasLS()) { _mem = JSON.parse(JSON.stringify(d)); return; }
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try { localStorage.setItem(KEY, JSON.stringify(d)); } catch (e) { /* 容量超限忽略 */ }
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}
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function reset() {
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if (hasLS()) { try { localStorage.removeItem(KEY); } catch (e) {} }
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_mem = emptyData();
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}
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// ---- 项目 ----
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function getProject(id) {
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const d = load();
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const p = d.projects && d.projects[id];
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return p ? JSON.parse(JSON.stringify(p)) : null;
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}
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function listProjects() {
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const d = load();
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return Object.keys(d.projects || {}).map(function (id) {
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const p = d.projects[id];
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return { id: p.id, name: p.name, pageCount: Object.keys(p.pages).length, createdAt: p.createdAt, updatedAt: p.updatedAt };
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});
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}
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function getProjectByPage(pageId) {
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const d = load();
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for (const id in d.projects) {
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if (Object.prototype.hasOwnProperty.call(d.projects[id].pages, pageId)) return JSON.parse(JSON.stringify(d.projects[id]));
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}
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return null;
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}
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// createProject(name, withDefaultPage=true) -> {id}
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function createProject(name, withDefaultPage) {
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const d = load();
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const id = uuid();
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const pages = {};
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if (withDefaultPage !== false) {
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const pid = uuid();
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pages[pid] = { id: pid, name: "页面1", code: "", images: {} };
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d.lastPageId = pid;
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}
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d.projects[id] = { id, name: safeName(name, "项目"), createdAt: now(), updatedAt: now(), pages };
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d.lastProjectId = id;
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save(d);
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return id;
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}
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function renameProject(id, name) {
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const d = load();
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if (!d.projects[id]) return false;
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d.projects[id].name = safeName(name, "项目");
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d.projects[id].updatedAt = now();
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save(d);
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return true;
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}
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function deleteProject(id) {
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const d = load();
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if (!d.projects[id]) return false;
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delete d.projects[id];
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if (d.lastProjectId === id) d.lastProjectId = null;
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save(d);
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return true;
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}
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// ---- 页面 ----
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function createPage(projId, name) {
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const d = load();
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if (!d.projects[projId]) return null;
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const pid = uuid();
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d.projects[projId].pages[pid] = { id: pid, name: safeName(name, "页面1"), code: "", images: {} };
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d.projects[projId].updatedAt = now();
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d.lastPageId = pid;
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save(d);
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return pid;
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}
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function getPage(projId, pageId) {
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const d = load();
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const p = d.projects[projId] && d.projects[projId].pages[pageId];
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return p ? JSON.parse(JSON.stringify(p)) : null;
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}
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function renamePage(projId, pageId, name) {
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const d = load();
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const p = d.projects[projId] && d.projects[projId].pages[pageId];
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if (!p) return false;
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p.name = safeName(name, "页面");
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d.projects[projId].updatedAt = now();
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save(d);
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return true;
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}
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function deletePage(projId, pageId) {
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const d = load();
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if (!d.projects[projId] || !d.projects[projId].pages[pageId]) return false;
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delete d.projects[projId].pages[pageId];
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d.projects[projId].updatedAt = now();
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if (d.lastPageId === pageId) {
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const left = Object.keys(d.projects[projId].pages);
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d.lastPageId = left.length ? left[0] : null;
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}
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save(d);
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return true;
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}
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// updatePageCode(projId, pageId, code)
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function updatePageCode(projId, pageId, code) {
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const d = load();
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const p = d.projects[projId] && d.projects[projId].pages[pageId];
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if (!p) return false;
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p.code = code;
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d.projects[projId].updatedAt = now();
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save(d);
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return true;
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}
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// setPageImage(projId, pageId, varName, dataURL) ：绑定「it xxx p」的图片
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function setPageImage(projId, pageId, varName, dataURL) {
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const d = load();
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const p = d.projects[projId] && d.projects[projId].pages[pageId];
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if (!p) return false;
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if (!p.images) p.images = {};
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if (dataURL == null) delete p.images[varName]; else p.images[varName] = dataURL;
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d.projects[projId].updatedAt = now();
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save(d);
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return true;
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}
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function getPageImages(projId, pageId) {
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const d = load();
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const p = d.projects[projId] && d.projects[projId].pages[pageId];
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return (p && p.images) ? JSON.parse(JSON.stringify(p.images)) : {};
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}
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// ---- 最近活动（首屏引导定位） ----
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function lastProjectId() { return load().lastProjectId || null; }
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function lastPageId() { return load().lastPageId || null; }
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function hasAnyProject() { return Object.keys(load().projects).length > 0; }
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function setActive(projId, pageId) {
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const d = load();
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d.lastProjectId = projId || d.lastProjectId;
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if (pageId) d.lastPageId = pageId;
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save(d);
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}
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// ---- .hc 导出 / 导入 ----
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// 导出单个项目（含全部页面与内嵌图片）为 .hc 文件文本
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function exportHcProject(projId) {
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const p = getProject(projId);
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if (!p) return null;
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return JSON.stringify({
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app: "HiCode", language: "HIC", format: "hc-project", version: STORE_VERSION,
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project: p
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}, null, 2);
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}
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function importHc(text) {
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// 返回 { ok, error?, projectId?, name? }
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try {
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const obj = JSON.parse(text);
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if (!obj || obj.app !== "HiCode" || !obj.project) return { ok: false, error: "不是有效的 .hc 文件（缺少 HiCode 标记）" };
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const proj = obj.project;
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if (!proj || !proj.name || typeof proj.pages !== "object") return { ok: false, error: ".hc 文件内容不完整" };
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const d = load();
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// 同名覆盖策略：同名则新建一个带序号的名字，避免冲突
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const names = Object.keys(d.projects).map(function (id) { return d.projects[id].name; });
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let name = proj.name;
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if (names.indexOf(name) >= 0) {
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let n = 2;
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while (names.indexOf(name + "_" + n) >= 0) n++;
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name = name + "_" + n;
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}
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const id = uuid();
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d.projects[id] = { id, name, createdAt: now(), updatedAt: now(), pages: {} };
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Object.keys(proj.pages).forEach(function (pid) {
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const src = proj.pages[pid];
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const nid = uuid();
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d.projects[id].pages[nid] = {
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id: nid, name: src.name || "页面", code: src.code || "",
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images: (src.images && typeof src.images === "object") ? JSON.parse(JSON.stringify(src.images)) : {}
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};
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});
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d.lastProjectId = id;
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save(d);
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return { ok: true, projectId: id, name };
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} catch (e) {
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return { ok: false, error: "解析失败：" + e.message };
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}
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}
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function safeName(name, fallback) {
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const s = String(name == null ? "" : name).trim();
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return s ? s : fallback;
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}
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return {
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STORE_VERSION, KEY,
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uuid, now, load, save, reset,
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getProject, listProjects, getProjectByPage, createProject, renameProject, deleteProject,
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createPage, getPage, renamePage, deletePage, updatePageCode, setPageImage, getPageImages,
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loadNewData: emptyData,
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lastProjectId, lastPageId, hasAnyProject, setActive,
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exportHcProject, importHc
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};
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});

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