esbuild-gas-plugin/esm/mod.js

esbuild plugin for Google Apps Script.

import * as dntShim from "./_dnt.shims.js";
import { StringReader, readLines } from "./deps/deno.land/std@0.190.0/io/mod.js";
import { generate } from "gas-entry-generator";
async function countLines(s) {
    const reader = new StringReader(s);
    let count = 0;
    for await (const _ of readLines(reader, { encoding: 'utf8' })) {
        count++;
    }
    return count;
}
async function deleteBanner(code, banner) {
    const bannerCount = await countLines(banner);
    const reader = new StringReader(code);
    let _count = 0;
    let _code = '';
    for await (const line of readLines(reader, { encoding: 'utf8' })) {
        _count++;
        if (_count <= bannerCount)
            continue;
        _code += `${line}\n`;
    }
    return _code;
}
export const GasPlugin = {
    name: "gas-plugin",
    setup({ onEnd, initialOptions }) {
        onEnd(async () => {
            if (initialOptions.outfile === undefined) {
                throw Error('"outfile" is required. Note that "write: false" is not available.');
            }
            const jsBanner = initialOptions.banner?.js;
            const code = await dntShim.Deno.readTextFile(initialOptions.outfile);
            const gas = generate(code, { comment: true });
            if (jsBanner === undefined) {
                await dntShim.Deno.writeTextFile(initialOptions.outfile, `var global = this;\n${gas.entryPointFunctions}\n${code}`);
            }
            else {
                const bannerDeleted = await deleteBanner(code, jsBanner);
                await dntShim.Deno.writeTextFile(initialOptions.outfile, `${jsBanner}\nvar global = this;\n${gas.entryPointFunctions}${bannerDeleted}`);
            }
        });
    },
};