@codechecks/build-size-watcher/lib/getReportFromDiff.js

Keep your build size in check and detect when it gets too big

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const bytes = require("bytes");
const lodash_1 = require("lodash");
function getReportFromDiff(diff, originalFiles, options) {
    const originalFilesByPath = lodash_1.groupBy(originalFiles, "path");
    const shortDescription = `Change: ${renderSize(diff.totalSizeChange, diff.totalSizeChangeFraction)} Total: ${bytes(diff.totalSize)}`;
    const reportKeys = lodash_1.sortBy(Object.keys(diff.files), k => {
        const value = diff.files[k];
        const typeVal = value.type === "changed" ? 1 : value.type === "new" ? 2 : 3;
        return typeVal * 10 + k;
    });
    const longDescription = `
  | Status | Files | Now | Diff | Max |
  |:------:|:-----:|:---:|:----:|:---:|
  ${reportKeys
        .map(fk => {
        const f = diff.files[fk];
        const maxSize = originalFilesByPath[fk] && originalFilesByPath[fk][0].maxSize;
        // prettier-ignore
        return `| ${renderStatus(f.type, maxSize ? f.overallSize > maxSize : false)} | ${fk} | ${bytes(f.overallSize)} | ${renderSize(f.sizeChange, f.sizeChangeFraction)} | ${maxSize ? bytes(maxSize) : " — "} |`;
    })
        .join("\n")}
  `;
    const shouldFail = originalFiles
        .filter(file => file.maxSize)
        .reduce((result, file) => result || diff.files[file.path] ? diff.files[file.path].overallSize > file.maxSize : false, false);
    return {
        name: options.name,
        shortDescription,
        longDescription,
        status: shouldFail ? "failure" : "success",
    };
}
exports.getReportFromDiff = getReportFromDiff;
function renderStatus(type, reachedMaxSize) {
    if (reachedMaxSize) {
        return "🛑 Max size reached";
    }
    return type;
}
function renderSign(value) {
    if (value > 0) {
        return "+";
    }
    else {
        // we dont' render signs for negative (it's part of a number xD) or 0
        return "";
    }
}
function renderFraction(value) {
    return (value * 100).toFixed(2) + "%";
}
function renderSize(size, fraction) {
    return `${renderSign(size) + bytes(size)} (${renderSign(fraction) + renderFraction(fraction)})`;
}
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