forked from f0ck/f0ckv2
45 lines
1.8 KiB
JavaScript
45 lines
1.8 KiB
JavaScript
import fs from "fs";
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import path from "path";
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import cfg from "./config.mjs";
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export default new class {
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#templates = {};
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#syntax = [
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[ "each", (t, _, args = t.slice(4).trim().split(" ")) => `util.forEach(${args[0]},(${(args[1] === "as" && args[2]) ? args[2] : "value"},key)=>{` ],
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[ "/each", () => "});" ],
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[ "if", t => `if(${t.slice(2).trim()}){` ],
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[ "elseif", t => `}else if(${t.slice(6).trim()}){` ],
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[ "else", () => "}else{" ],
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[ "/if", () => "}" ],
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[ "include", (t, data) => `html+='${this.render(cfg.websrv.cache ? t.slice(7).trim() : `views/${t.slice(7).trim()}`, data)}';` ],
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[ "=", t => `html+=${t.slice(1).trim()};` ]
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];
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readdir(dir, root = dir, rel = dir.replace(`${root}/`, "")) {
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for(const d of fs.readdirSync(`${path.resolve()}/${dir}`))
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d.endsWith(".html")
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? this.#templates[`${rel}/${d.split(".")[0]}`] = this.readtpl(dir, d)
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: this.readdir(`${dir}/${d}`, root);
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}
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readtpl(dir, d) {
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return fs.readFileSync(`${dir}/${d}`, "utf-8").replace(/\'/g, "\\'");
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}
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forEach(o, f) {
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if(Array.isArray(o))
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o.forEach(f);
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else if(typeof o === "object")
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Object.keys(o).forEach(k => f.call(null, o[k], k));
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else
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throw new Error(`${o} is not a iterable object`);
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}
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render(tpl, data = {}, f) {
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return new Function("util", "data", "let html = \"\";with(data){" + (cfg.websrv.cache ? this.#templates[tpl] : this.readtpl(path.resolve(), `${tpl}.html`))
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.trim()
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.replace(/[\n\r]/g, "")
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.split(/{{\s*([^}]+)\s*}}/)
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.filter(Boolean)
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.map(t => !(f = this.#syntax.filter(s => t.startsWith(s[0]))[0]) ? `html+='${t}';` : f[1](t, data))
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.join("") + "}return html.trim().replace(/>[\\n\\r\\s]*?</g, '><')"
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).bind(null, { forEach: this.forEach })(data);
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}
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};
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