utility2

this zero-dependency package will provide high-level functions to to build, test, and deploy webapps

live web demo

https://kaizhu256.github.io/node-utility2/build..beta..travis-ci.com/app

git-branch :	master	beta	alpha
test-server-github :
test-server-heroku :
test-report :
coverage :
build-artifacts :

npmPackageDependencyTree

cdn download
documentation
quickstart standalone app
quickstart example.js
extra screenshots
package.json
changelog of last 50 commits
internal build script
misc

cdn download

https://kaizhu256.github.io/node-utility2/build..beta..travis-ci.com/app/assets.utility2.rollup.js

documentation

api doc

https://kaizhu256.github.io/node-utility2/build..beta..travis-ci.com/apidoc.html

cli help

screenshot

changelog 2020.11.12

jslint - update to v2020.11.6
update function chromeDevtoolsClient with timeout
remove file lib.puppeteer.js and replace with function chromeDevtoolsClientCreate
remove dependency on env-var $CHROME_BIN
remove functions base64FromBuffer, base64ToUtf8, cryptoAesXxxCbcRawDecrypt, cryptoAesXxxCbcRawEncrypt, gotoNext, onErrorWithStack
jslint - fix off-by-one column in autofix-expected_a_before_b
decouple build from npm-env-variables npm_config_xxx and npm_package_xxx
update lib.utility2.sh to remove dependency on $UTILITY2_MACRO_JS
none

todo

fix test-report bug with duplicate github and heroku tests
migrate from travis to github-actions
update function fsWriteFileWithMkdirp to write to tmpfile first
jslint - unmangle function jslintAutofixLocalFunction
update function shRawLibFetch to minify assets
remove dependency to req.urlParsed
istanbul - inline class Instrumenter into function instrumentSync
replace db-lite with sql_lite.js
add default testCase _testCase_cliRun_help
add server stress-test using puppeteer
none

quickstart standalone app

to run this example, follow instruction in script below

assets.app.js

# example.sh 
 
# this shell script will download and run web-demo of utility2 as standalone app 
 
# 1. download standalone app 
curl -O https://kaizhu256.github.io/node-utility2/build..beta..travis-ci.com/app/assets.app.js
# 2. run standalone app 
PORT=8081 node ./assets.app.js
# 3. open browser to http://127.0.0.1:8081 and play with web-demo 
# 4. edit file assets.app.js to suit your needs

output from browser

output from shell

screenshot

quickstart example.js

screenshot

to run this example, follow the instruction in the script below

example.js

/*
example.js
 
this script will demo automated browser-tests with coverage
(via puppeteer and istanbul)
 
instruction
    1. save this script as example.js
    2. run the shell-command:
        $ npm install utility2 && \
            PATH="$(pwd)/node_modules/.bin:$PATH" \
            PORT=8081 \
            npm_config_mode_coverage=utility2 \
            node_modules/.bin/utility2 test example.js
    3. view test-report in .tmp/build/test-report.html
    4. view coverage in .tmp/build/coverage/index.html
*/
 
 
/* istanbul instrument in package utility2 */
// assets.utility2.header.js - start
/* jslint utility2:true */
/* istanbul ignore next */
// run shared js-env code - init-local
(function () {
    "use strict";
    let isBrowser;
    let isWebWorker;
    let local;
    // polyfill globalThis
    if (!(typeof globalThis === "object" && globalThis)) {
        if (typeof window === "object" && window && window.window === window) {
            window.globalThis = window;
        }
        if (typeof global === "object" && global && global.global === global) {
            global.globalThis = global;
        }
    }
    // init debugInline
    if (!globalThis.debugInline) {
        let consoleError;
        consoleError = console.error;
        globalThis.debugInline = function (...argList) {
        /*
         * this function will both print <argList> to stderr
         * and return <argList>[0]
         */
            consoleError("\n\ndebugInline");
            consoleError(...argList);
            consoleError("\n");
            return argList[0];
        };
    }
    // init isBrowser
    isBrowser = (
        typeof globalThis.XMLHttpRequest === "function"
        && globalThis.navigator
        && typeof globalThis.navigator.userAgent === "string"
    );
    // init isWebWorker
    isWebWorker = (
        isBrowser && typeof globalThis.importScripts === "function"
    );
    // init function
    function objectDeepCopyWithKeysSorted(obj) {
    /*
     * this function will recursively deep-copy <obj> with keys sorted
     */
        let sorted;
        if (typeof obj !== "object" || !obj) {
            return obj;
        }
        // recursively deep-copy list with child-keys sorted
        if (Array.isArray(obj)) {
            return obj.map(objectDeepCopyWithKeysSorted);
        }
        // recursively deep-copy obj with keys sorted
        sorted = {};
        Object.keys(obj).sort().forEach(function (key) {
            sorted[key] = objectDeepCopyWithKeysSorted(obj[key]);
        });
        return sorted;
    }
    function assertJsonEqual(aa, bb) {
    /*
     * this function will assert JSON.stringify(<aa>) === JSON.stringify(<bb>)
     */
        aa = JSON.stringify(objectDeepCopyWithKeysSorted(aa));
        bb = JSON.stringify(objectDeepCopyWithKeysSorted(bb));
        if (aa !== bb) {
            throw new Error(JSON.stringify(aa) + " !== " + JSON.stringify(bb));
        }
    }
    function assertOrThrow(passed, msg) {
    /*
     * this function will throw <msg> if <passed> is falsy
     */
        if (passed) {
            return;
        }
        throw (
            (
                msg
                && typeof msg.message === "string"
                && typeof msg.stack === "string"
            )
            // if msg is err, then leave as is
            ? msg
            : new Error(
                typeof msg === "string"
                // if msg is string, then leave as is
                ? msg
                // else JSON.stringify(msg)
                : JSON.stringify(msg, undefined, 4)
            )
        );
    }
    function coalesce(...argList) {
    /*
     * this function will coalesce null, undefined, or "" in <argList>
     */
        let arg;
        let ii;
        ii = 0;
        while (ii < argList.length) {
            arg = argList[ii];
            if (arg !== undefined && arg !== null && arg !== "") {
                return arg;
            }
            ii += 1;
        }
        return arg;
    }
    function identity(val) {
    /*
     * this function will return <val>
     */
        return val;
    }
    function noop() {
    /*
     * this function will do nothing
     */
        return;
    }
    function objectAssignDefault(tgt = {}, src = {}, depth = 0) {
    /*
     * this function will if items from <tgt> are null, undefined, or "",
     * then overwrite them with items from <src>
     */
        let recurse;
        recurse = function (tgt, src, depth) {
            Object.entries(src).forEach(function ([
                key, bb
            ]) {
                let aa;
                aa = tgt[key];
                if (aa === undefined || aa === null || aa === "") {
                    tgt[key] = bb;
                    return;
                }
                if (
                    depth !== 0
                    && typeof aa === "object" && aa && !Array.isArray(aa)
                    && typeof bb === "object" && bb && !Array.isArray(bb)
                ) {
                    recurse(aa, bb, depth - 1);
                }
            });
        };
        recurse(tgt, src, depth | 0);
        return tgt;
    }
    function onErrorThrow(err) {
    /*
     * this function will throw <err> if exists
     */
        if (err) {
            throw err;
        }
    }
    // bug-workaround - throw unhandledRejections in node-process
    if (
        typeof process === "object" && process
        && typeof process.on === "function"
        && process.unhandledRejections !== "strict"
    ) {
        process.unhandledRejections = "strict";
        process.on("unhandledRejection", function (err) {
            throw err;
        });
    }
    // init local
    local = {
        assertJsonEqual,
        assertOrThrow,
        coalesce,
        identity,
        isBrowser,
        isWebWorker,
        local,
        noop,
        objectAssignDefault,
        objectDeepCopyWithKeysSorted,
        onErrorThrow
    };
    globalThis.globalLocal = local;
}());
// assets.utility2.header.js - end
 
 
/* jslint utility2:true */
(function (local) {
"use strict";
 
 
// run shared js-env code - init-before
(function () {
// init local
local = (
    globalThis.utility2_rollup
    || globalThis.utility2_utility2
    || require("utility2")
);
// init exports
globalThis.local = local;
// run test-server
local.testRunServer(local);
// init assets
local.assetsDict["/assets.hello.txt"] = "hello \ud83d\ude01\n";
local.assetsDict["/assets.index.template.html"] = "";
}());
 
 
// run shared js-env code - function
(function () {
local.testCase_ajax_200 = function (opt, onError) {
/*
 * this function will test ajax's "200 ok" handling-behavior
 */
    if (!local.isBrowser) {
        onError(undefined, opt);
        return;
    }
    opt = {};
    // test ajax-path "assets.hello.txt"
    local.ajax({
        url: "assets.hello.txt"
    }, function (err, xhr) {
        local.tryCatchOnError(function () {
            // handle err
            local.assertOrThrow(!err, err);
            // validate data
            opt.data = xhr.responseText;
            local.assertOrThrow(
                opt.data === "hello \ud83d\ude01\n",
                opt.data
            );
            onError();
        }, onError);
    });
};
 
local.testCase_ajax_404 = function (opt, onError) {
/*
 * this function will test ajax's "404 not found" handling-behavior
 */
    if (!local.isBrowser) {
        onError(undefined, opt);
        return;
    }
    opt = {};
    // test ajax-path "/undefined"
    local.ajax({
        url: "/undefined"
    }, function (err) {
        local.tryCatchOnError(function () {
            // handle err
            local.assertOrThrow(err, err);
            opt.statusCode = err.statusCode;
            // validate 404 http statusCode
            local.assertOrThrow(opt.statusCode === 404, opt.statusCode);
            onError();
        }, onError);
    });
};
 
local.testCase_webpage_default = function (opt, onError) {
/*
 * this function will test webpage's default handling-behavior
 */
    if (local.isBrowser) {
        onError(undefined, opt);
        return;
    }
    opt = {
        url: local.serverLocalHost + "?modeTest=1"
    };
    local.browserTest(opt, onError);
};
}());
 
 
/* istanbul ignore next */
// run browser js-env code - init-test
(function () {
if (!local.isBrowser) {
    return;
}
// log stderr and stdout to #outputStdout1
["error", "log"].forEach(function (key) {
    let elem;
    let fnc;
    elem = document.querySelector("#outputStdout1");
    if (!elem) {
        return;
    }
    fnc = console[key];
    console[key] = function (...argList) {
        fnc(...argList);
        // append text to #outputStdout1
        elem.textContent += argList.map(function (arg) {
            return (
                typeof arg === "string"
                ? arg
                : JSON.stringify(arg, undefined, 4)
            );
        }).join(" ").replace((
            /\u001b\[\d*m/g
        ), "") + "\n";
        // scroll textarea to bottom
        elem.scrollTop = elem.scrollHeight;
    };
});
local.objectAssignDefault(local, globalThis.domOnEventDelegateDict);
globalThis.domOnEventDelegateDict = local;
}());
 
 
/* istanbul ignore next */
// run node js-env code - init-test
(function () {
if (local.isBrowser) {
    return;
}
// init exports
module.exports = local;
// init assetsDict
local.assetsDict = local.assetsDict || {};
/* jslint ignore:start */
local.assetsDict["/assets.index.template.html"] = '\
<!doctype html>\n\
<html lang="en">\n\
<head>\n\
<meta charset="utf-8">\n\
<meta name="viewport" content="width=device-width, initial-scale=1">\n\
<!-- "assets.utility2.template.html" -->\n\
<title>{{env.npm_package_name}} ({{env.npm_package_version}})</title>\n\
<style>\n\
/* jslint utility2:true */\n\
/*csslint\n\
*/\n\
/* csslint ignore:start */\n\
*,\n\
*:after,\n\
*:before {\n\
    box-sizing: border-box;\n\
}\n\
.uiAnimateSlide {\n\
    overflow-y: hidden;\n\
    transition: max-height ease-in 250ms, min-height ease-in 250ms, padding-bottom ease-in 250ms, padding-top ease-in 250ms;\n\
}\n\
/* csslint ignore:end */\n\
@keyframes uiAnimateSpin {\n\
0% {\n\
    transform: rotate(0deg);\n\
}\n\
100% {\n\
    transform: rotate(360deg);\n\
}\n\
}\n\
a {\n\
    overflow-wrap: break-word;\n\
}\n\
body {\n\
    background: #f7f7f7;\n\
    font-family: Arial, Helvetica, sans-serif;\n\
    font-size: small;\n\
    margin: 0 40px;\n\
}\n\
body > div,\n\
body > input,\n\
body > pre,\n\
body > .button,\n\
body > .textarea {\n\
    margin-bottom: 20px;\n\
    margin-top: 0;\n\
}\n\
body > input,\n\
body > .button {\n\
    width: 20rem;\n\
}\n\
body > .readonly {\n\
    background: #ddd;\n\
}\n\
body > .textarea {\n\
    height: 10rem;\n\
    resize: vertical;\n\
    width: 100%;\n\
}\n\
code,\n\
pre,\n\
.textarea {\n\
    font-family: Consolas, Menlo, monospace;\n\
    font-size: smaller;\n\
}\n\
pre {\n\
    overflow-wrap: break-word;\n\
    white-space: pre-wrap;\n\
}\n\
.button {\n\
    background: #ddd;\n\
    border: 1px solid #999;\n\
    color: #000;\n\
    cursor: pointer;\n\
    display: inline-block;\n\
    padding: 2px 5px;\n\
    text-align: center;\n\
    text-decoration: none;\n\
}\n\
.button:hover {\n\
    background: #bbb;\n\
}\n\
.colorError {\n\
    color: #d00;\n\
}\n\
.textarea {\n\
    background: #fff;\n\
    border: 1px solid #999;\n\
    border-radius: 0;\n\
    cursor: auto;\n\
    overflow: auto;\n\
    padding: 2px;\n\
}\n\
.zeroPixel {\n\
    border: 0;\n\
    height: 0;\n\
    margin: 0;\n\
    padding: 0;\n\
    width: 0;\n\
}\n\
</style>\n\
</head>\n\
<body>\n\
<div class="uiAnimateSpin" style="animation: uiAnimateSpin 2s linear infinite; border: 5px solid #999; border-radius: 50%; border-top: 5px solid #7d7; display: none; height: 25px; vertical-align: middle; width: 25px;"></div>\n\
<script>\n\
/* jslint utility2:true */\n\
// polyfill globalThis\n\
(function () {\n\
/*\n\
 * this function will polyfill globalThis\n\
 */\n\
    "use strict";\n\
    window.globalThis = window.globalThis || globalThis;\n\
}());\n\
\n\
\n\
// init domOnEventWindowOnloadTimeElapsed\n\
(function () {\n\
/*\n\
 * this function will measure and print time-elapsed for window.onload\n\
 */\n\
    "use strict";\n\
    if (!(\n\
        typeof window === "object" && window && window.document\n\
        && typeof document.addEventListener === "function"\n\
    ) || window.domOnEventWindowOnloadTimeElapsed) {\n\
        return;\n\
    }\n\
    window.domOnEventWindowOnloadTimeElapsed = Date.now() + 100;\n\
    window.addEventListener("load", function () {\n\
        setTimeout(function () {\n\
            window.domOnEventWindowOnloadTimeElapsed = (\n\
                Date.now()\n\
                - window.domOnEventWindowOnloadTimeElapsed\n\
            );\n\
            console.error(\n\
                "domOnEventWindowOnloadTimeElapsed = "\n\
                + window.domOnEventWindowOnloadTimeElapsed\n\
            );\n\
        }, 100);\n\
    });\n\
}());\n\
\n\
\n\
// init domOnEventAjaxProgressUpdate\n\
(function () {\n\
/*\n\
 * this function will display incrementing ajax-progress-bar\n\
 */\n\
    "use strict";\n\
    let opt;\n\
    let styleBar0;\n\
    let styleBar;\n\
    let styleModal0;\n\
    let styleModal;\n\
    let timeStart;\n\
    let timerInterval;\n\
    let timerTimeout;\n\
    let tmp;\n\
    let width;\n\
    try {\n\
        if (\n\
            window.domOnEventAjaxProgressUpdate\n\
            || !document.getElementById("domElementAjaxProgressBar1").style\n\
        ) {\n\
            return;\n\
        }\n\
    } catch (ignore) {\n\
        return;\n\
    }\n\
    window.domOnEventAjaxProgressUpdate = function (gotoState, onError) {\n\
        gotoState = (gotoState | 0) + 1;\n\
        switch (gotoState) {\n\
        // ajaxProgress - show\n\
        case 1:\n\
            // init timerInterval and timerTimeout\n\
            if (!timerTimeout) {\n\
                timeStart = Date.now();\n\
                timerInterval = setInterval(opt, 2000, 1, onError);\n\
                timerTimeout = setTimeout(opt, opt.timeout, 2, onError);\n\
            }\n\
            // show ajaxProgressBar\n\
            if (width !== -1) {\n\
                styleBar.background = styleBar0.background;\n\
            }\n\
            setTimeout(opt, 50, gotoState, onError);\n\
            break;\n\
        // ajaxProgress - increment\n\
        case 2:\n\
            // show ajaxProgressBar\n\
            if (width === -1) {\n\
                break;\n\
            }\n\
            styleBar.background = styleBar0.background;\n\
            // reset ajaxProgress if it reaches end\n\
            if ((styleBar.width.slice(0, -1) | 0) > 95) {\n\
                width = 0;\n\
            }\n\
            // this algorithm will indefinitely increment ajaxProgress\n\
            // with successively smaller increments without reaching 100%\n\
            width += 1;\n\
            styleBar.width = Math.max(\n\
                100 - 75 * Math.exp(-0.125 * width),\n\
                styleBar.width.slice(0, -1) | 0\n\
            ) + "%";\n\
            // show ajaxProgressModal\n\
            styleModal.height = "100%";\n\
            styleModal.opacity = styleModal0.opacity;\n\
            if (!opt.cnt) {\n\
                setTimeout(opt, 0, gotoState, onError);\n\
            }\n\
            break;\n\
        // ajaxProgress - 100%\n\
        case 3:\n\
            width = -1;\n\
            styleBar.width = "100%";\n\
            setTimeout(opt, 1000, gotoState, onError);\n\
            break;\n\
        // ajaxProgress - hide\n\
        case 4:\n\
            // debug timeElapsed\n\
            tmp = Date.now();\n\
            console.error(\n\
                "domOnEventAjaxProgressUpdate - timeElapsed - "\n\
                + (tmp - timeStart)\n\
                + " ms"\n\
            );\n\
            // cleanup timerInterval and timerTimeout\n\
            timeStart = tmp;\n\
            clearInterval(timerInterval);\n\
            timerInterval = undefined;\n\
            clearTimeout(timerTimeout);\n\
            timerTimeout = undefined;\n\
            // hide ajaxProgressBar\n\
            styleBar.background = "transparent";\n\
            // hide ajaxProgressModal\n\
            styleModal.opacity = "0";\n\
            if (onError) {\n\
                onError();\n\
            }\n\
            setTimeout(opt, 250, gotoState);\n\
            break;\n\
        // ajaxProgress - reset\n\
        default:\n\
            opt.cnt = 0;\n\
            width = 0;\n\
            styleBar.width = "0%";\n\
            styleModal.height = "0";\n\
        }\n\
    };\n\
    opt = window.domOnEventAjaxProgressUpdate;\n\
    opt.end = function (onError) {\n\
        opt.cnt = 0;\n\
        window.domOnEventAjaxProgressUpdate(2, onError);\n\
    };\n\
    // init styleBar\n\
    styleBar = document.getElementById("domElementAjaxProgressBar1").style;\n\
    styleBar0 = Object.assign({}, styleBar);\n\
    Object.entries({\n\
        background: "#d00",\n\
        height: "2px",\n\
        left: "0",\n\
        margin: "0",\n\
        padding: "0",\n\
        position: "fixed",\n\
        top: "0",\n\
        transition: "background 250ms, width 750ms",\n\
        width: "0%",\n\
        "z-index": "1"\n\
    }).forEach(function (entry) {\n\
        styleBar[entry[0]] = styleBar[entry[0]] || entry[1];\n\
    });\n\
    // init styleModal\n\
    styleModal = document.getElementById("domElementAjaxProgressModal1") || {};\n\
    styleModal = styleModal.style || {};\n\
    styleModal0 = Object.assign({}, styleModal);\n\
    Object.entries({\n\
        height: "0",\n\
        left: "0",\n\
        margin: "0",\n\
        padding: "0",\n\
        position: "fixed",\n\
        top: "0",\n\
        transition: "opacity 125ms",\n\
        width: "100%",\n\
        "z-index": "1"\n\
    }).forEach(function (entry) {\n\
        styleModal[entry[0]] = styleModal[entry[0]] || entry[1];\n\
    });\n\
    // init state\n\
    width = 0;\n\
    opt.cnt = 0;\n\
    opt.timeout = 30000;\n\
    // init ajaxProgress\n\
    window.domOnEventAjaxProgressUpdate();\n\
}());\n\
\n\
\n\
// init domOnEventDelegateDict\n\
(function () {\n\
/*\n\
 * this function will handle delegated dom-evt\n\
 */\n\
    "use strict";\n\
    let debounce;\n\
    let timerTimeout;\n\
    debounce = function () {\n\
        return setTimeout(function () {\n\
            timerTimeout = undefined;\n\
        }, 30);\n\
    };\n\
    if (!(\n\
        typeof window === "object" && window && window.document\n\
        && typeof document.addEventListener === "function"\n\
    ) || window.domOnEventDelegateDict) {\n\
        return;\n\
    }\n\
    window.domOnEventDelegateDict = {};\n\
    window.domOnEventDelegateDict.domOnEventDelegate = function (evt) {\n\
        evt.targetOnEvent = evt.target.closest("[data-onevent]");\n\
        if (\n\
            !evt.targetOnEvent\n\
            || evt.targetOnEvent.dataset.onevent === "domOnEventNoop"\n\
            || evt.target.closest(".disabled,.readonly")\n\
        ) {\n\
            return;\n\
        }\n\
        // filter evt-change\n\
        switch (evt.type !== "change" && evt.target.type) {\n\
        case "checkbox":\n\
        case "file":\n\
        case "select-one":\n\
        case "radio":\n\
            return;\n\
        }\n\
        // filter evt-keyup\n\
        switch (evt.type) {\n\
        case "keyup":\n\
            if (!timerTimeout && (\n\
                evt.target.tagName === "INPUT"\n\
                || evt.target.tagName === "TEXTAREA"\n\
            )) {\n\
                timerTimeout = debounce();\n\
                if (evt.target.dataset.valueOld !== evt.target.value) {\n\
                    evt.target.dataset.valueOld = evt.target.value;\n\
                    break;\n\
                }\n\
            }\n\
            return;\n\
        }\n\
        switch (evt.targetOnEvent.tagName) {\n\
        case "BUTTON":\n\
        case "FORM":\n\
            evt.preventDefault();\n\
            break;\n\
        }\n\
        evt.stopPropagation();\n\
        // handle domOnEventClickTarget\n\
        if (evt.targetOnEvent.dataset.onevent === "domOnEventClickTarget") {\n\
            document.querySelector(\n\
                evt.targetOnEvent.dataset.clickTarget\n\
            ).click();\n\
            return;\n\
        }\n\
        window.domOnEventDelegateDict[evt.targetOnEvent.dataset.onevent](evt);\n\
    };\n\
    // handle evt\n\
    [\n\
        "change",\n\
        "click",\n\
        "keyup",\n\
        "submit"\n\
    ].forEach(function (eventType) {\n\
        document.addEventListener(\n\
            eventType,\n\
            window.domOnEventDelegateDict.domOnEventDelegate\n\
        );\n\
    });\n\
}());\n\
\n\
\n\
// init domOnEventSelectAllWithinPre\n\
(function () {\n\
/*\n\
 * this function will limit select-all within <pre tabIndex="0"> elem\n\
 * https://stackoverflow.com/questions/985272/selecting-text-in-an-element-akin-to-highlighting-with-your-mouse\n\
 */\n\
    "use strict";\n\
    if (!(\n\
        typeof window === "object" && window && window.document\n\
        && typeof document.addEventListener === "function"\n\
    ) || window.domOnEventSelectAllWithinPre) {\n\
        return;\n\
    }\n\
    window.domOnEventSelectAllWithinPre = function (evt) {\n\
        let range;\n\
        let selection;\n\
        if (\n\
            evt && (evt.ctrlKey || evt.metaKey) && evt.key === "a"\n\
            && evt.target.closest("pre")\n\
        ) {\n\
            range = document.createRange();\n\
            range.selectNodeContents(evt.target.closest("pre"));\n\
            selection = window.getSelection();\n\
            selection.removeAllRanges();\n\
            selection.addRange(range);\n\
            evt.preventDefault();\n\
        }\n\
    };\n\
    // handle evt\n\
    document.addEventListener(\n\
        "keydown",\n\
        window.domOnEventSelectAllWithinPre\n\
    );\n\
}());\n\
</script>\n\
<h1>\n\
<!-- utility2-comment\n\
<a\n\
    {{#if env.npm_package_homepage}}\n\
    href="{{env.npm_package_homepage}}"\n\
    {{/if env.npm_package_homepage}}\n\
    target="_blank"\n\
>\n\
utility2-comment -->\n\
    {{env.npm_package_name}} ({{env.npm_package_version}})\n\
<!-- utility2-comment\n\
</a>\n\
utility2-comment -->\n\
</h1>\n\
<h3>{{env.npm_package_description}}</h3>\n\
<!-- utility2-comment\n\
<a class="button" download href="assets.app.js">download standalone app</a><br>\n\
<button class="button" data-onevent="testRunBrowser" id="buttonTestRun1">run browser-tests</button><br>\n\
<div class="uiAnimateSlide" id="htmlTestReport1" style="border-bottom: 0; border-top: 0; margin-bottom: 0; margin-top: 0; max-height: 0; padding-bottom: 0; padding-top: 0;"></div>\n\
utility2-comment -->\n\
\n\
\n\
<!-- custom-html-start -->\n\
<label>edit or paste script below to cover and test</label>\n\
<textarea class="textarea" data-onevent="domOnEventInputChange" id="inputTextarea1">\n\
// remove comment below to disable jslint\n\
/*jslint browser, devel*/\n\
/*global window*/\n\
(function () {\n\
    "use strict";\n\
    var testCaseDict;\n\
    testCaseDict = {};\n\
    testCaseDict.modeTest = 1;\n\
\n\
    // comment this testCase to disable failed error demo\n\
    testCaseDict.testCase_failed_error_demo = function (opt, onError) {\n\
    /*\n\
     * this function will run a failed error demo\n\
     */\n\
        // hack-jslint\n\
        window.utility2.noop(opt);\n\
        onError(new Error("this is a failed error demo"));\n\
    };\n\
\n\
    testCaseDict.testCase_passed_ajax_demo = function (opt, onError) {\n\
    /*\n\
     * this function will demo a passed ajax test\n\
     */\n\
        var data;\n\
        opt = {url: "/"};\n\
        // test ajax-req for main-page "/"\n\
        window.utility2.ajax(opt, function (err, xhr) {\n\
            try {\n\
                // handle err\n\
                console.assert(!err, err);\n\
                // validate "200 ok" status\n\
                console.assert(xhr.statusCode === 200, xhr.statusCode);\n\
                // validate non-empty data\n\
                data = xhr.responseText;\n\
                console.assert(data && data.length > 0, data);\n\
                onError();\n\
            } catch (errCaught) {\n\
                onError(errCaught);\n\
            }\n\
        });\n\
    };\n\
\n\
    window.utility2.testRunDefault(testCaseDict);\n\
}());\n\
</textarea>\n\
<button class="button" data-onevent="domOnEventInputChange" id="buttonJslintAutofix1">jslint autofix</button><br>\n\
<pre class= "colorError" id="outputJslintPre1" tabindex="0"></pre>\n\
<label>instrumented-code</label>\n\
<textarea class="readonly textarea" id="outputTextarea1" readonly tabindex="0"></textarea>\n\
<label>stderr and stdout</label>\n\
<textarea class="onevent-reset-output readonly textarea" id="outputStdout1" readonly></textarea>\n\
<div id="htmlTestReport2"></div>\n\
<div id="htmlCoverageReport1"></div>\n\
<script>\n\
/* jslint utility2:true */\n\
window.addEventListener("load", function (local) {\n\
"use strict";\n\
local = window.utility2;\n\
document.querySelectorAll(\n\
    "#buttonTestRun1, #htmlTestReport1"\n\
).forEach(function (elem) {\n\
    elem.style.display = "none";\n\
});\n\
local.domOnEventInputChange = function (evt) {\n\
    switch (evt.type + "." + evt.target.id) {\n\
    case "click.buttonJslintAutofix1":\n\
    case "keyup.inputTextarea1":\n\
        // jslint #inputTextarea1\n\
        local.jslintAndPrint(document.querySelector(\n\
            "#inputTextarea1"\n\
        ).value, "inputTextarea1.js", {\n\
            autofix: evt.target.id === "buttonJslintAutofix1",\n\
            conditional: evt.target.id !== "buttonJslintAutofix1"\n\
        });\n\
        if (local.jslint.jslintResult.autofix) {\n\
            document.querySelector(\n\
                "#inputTextarea1"\n\
            ).value = local.jslint.jslintResult.code;\n\
        }\n\
        document.querySelector(\n\
            "#outputJslintPre1"\n\
        ).textContent = local.jslint.jslintResult.errMsg.replace((\n\
            /\\u001b\\[\\d*m/g\n\
        ), "").trim();\n\
        // try to cleanup __coverage__\n\
        try {\n\
            delete globalThis.__coverage__["/inputTextarea1.js"];\n\
        } catch (ignore) {}\n\
        // try to cover and eval #inputTextarea1\n\
        try {\n\
            document.querySelector(\n\
                "#outputTextarea1"\n\
            ).value = local.istanbul.instrumentSync(\n\
                document.querySelector("#inputTextarea1").value,\n\
                "/inputTextarea1.js"\n\
            );\n\
            eval( // jslint ignore:line\n\
                document.querySelector("#outputTextarea1").value\n\
            );\n\
        } catch (errCaught) {\n\
            console.error(errCaught);\n\
        }\n\
        break;\n\
    }\n\
};\n\
// handle evt\n\
local.eventListenerAdd("utility2.testRunEnd", function () {\n\
    document.querySelector(\n\
        "#htmlCoverageReport1"\n\
    ).innerHTML = local.istanbul.coverageReportCreate({\n\
        coverage: globalThis.__coverage__\n\
    });\n\
});\n\
local.eventListenerAdd("utility2.testRunProgressUpdate", function (testReport) {\n\
    document.querySelector(\n\
        "#htmlTestReport2"\n\
    ).innerHTML = local.testReportMerge(testReport, {});\n\
});\n\
local.domOnEventInputChange({\n\
    target: {\n\
        id: "inputTextarea1"\n\
    },\n\
    type: "keyup"\n\
});\n\
});\n\
</script>\n\
<!-- custom-html-end -->\n\
\n\
\n\
<!-- utility2-comment\n\
{{#if isRollup}}\n\
<script src="assets.app.js"></script>\n\
{{#unless isRollup}}\n\
utility2-comment -->\n\
<script src="assets.utility2.lib.istanbul.js"></script>\n\
<script src="assets.utility2.lib.jslint.js"></script>\n\
<script src="assets.utility2.lib.marked.js"></script>\n\
<script src="assets.utility2.js"></script>\n\
<script>window.utility2_onReadyBefore.cnt += 1;</script>\n\
<script src="utility2.state.init.js"></script>\n\
<script src="assets.example.js"></script>\n\
<script src="assets.test.js"></script>\n\
<script>\n\
if (window.utility2_onReadyBefore) {\n\
    window.utility2_onReadyBefore();\n\
}\n\
</script>\n\
<!-- utility2-comment\n\
{{/if isRollup}}\n\
utility2-comment -->\n\
<div style="text-align: center;">\n\
    [\n\
    this app was created with\n\
    <a\n\
        href="https://github.com/kaizhu256/node-utility2" target="_blank"\n\
    >utility2</a>\n\
    ]\n\
</div>\n\
</body>\n\
</html>\n\
';
/* jslint ignore:end */
local.assetsDict["/assets.utility2.js"] = (
    local.assetsDict["/assets.utility2.js"]
    || require("fs").readFileSync(
        require("path").resolve(local.__dirname + "/lib.utility2.js"),
        "utf8"
    ).replace((
        /^#!\//
    ), "// ")
);
/* validateLineSortedReset */
local.assetsDict["/"] = local.assetsDict[
    "/assets.index.template.html"
].replace((
    /\{\{env\.(\w+?)\}\}/g
), function (match0, match1) {
    switch (match1) {
    case "npm_package_description":
        return "the greatest app in the world!";
    case "npm_package_name":
        return "utility2";
    case "npm_package_nameLib":
        return "utility2";
    case "npm_package_version":
        return "0.0.1";
    default:
        return match0;
    }
});
local.assetsDict["/assets.example.html"] = local.assetsDict["/"];
// init cli
if (module !== require.main || globalThis.utility2_rollup) {
    return;
}
local.assetsDict["/assets.example.js"] = (
    local.assetsDict["/assets.example.js"]
    || require("fs").readFileSync(__filename, "utf8")
);
local.assetsDict["/favicon.ico"] = local.assetsDict["/favicon.ico"] || "";
local.assetsDict["/index.html"] = local.assetsDict["/"];
// if $npm_config_timeout_exit exists,
// then exit this process after $npm_config_timeout_exit ms
if (Number(process.env.npm_config_timeout_exit)) {
    setTimeout(process.exit, Number(process.env.npm_config_timeout_exit));
}
// start server
if (globalThis.utility2_serverHttp1) {
    return;
}
process.env.PORT = process.env.PORT || "8081";
console.error("http-server listening on port " + process.env.PORT);
require("http").createServer(function (req, res) {
    let data;
    data = local.assetsDict[require("url").parse(req.url).pathname];
    if (data !== undefined) {
        res.end(data);
        return;
    }
    res.statusCode = 404;
    res.end();
}).listen(process.env.PORT);
}());
}());

output from browser

screenshot

output from shell

screenshot

extra screenshots

package.json

{
    "!!jslint_utility2": true,
    "author": "kai zhu <kaizhu256@gmail.com>",
    "bin": {
        "utility2": "lib.utility2.sh",
        "utility2-apidoc": "lib.apidoc.js",
        "utility2-istanbul": "lib.istanbul.js",
        "utility2-jslint": "lib.jslint.js"
    },
    "description": "this zero-dependency package will provide high-level functions to to build, test, and deploy webapps",
    "devDependencies": {},
    "engines": {
        "node": ">=12.0"
    },
    "fileCount": 27,
    "homepage": "https://github.com/kaizhu256/node-utility2",
    "keywords": [
        "continuous-integration",
        "npmdoc",
        "npmtest",
        "test-coverage",
        "travis-ci"
    ],
    "license": "MIT",
    "main": "lib.utility2.js",
    "name": "utility2",
    "nameAliasPublish": "npmtest-lite test-lite",
    "nameLib": "utility2",
    "nameOriginal": "utility2",
    "repository": {
        "type": "git",
        "url": "https://github.com/kaizhu256/node-utility2.git"
    },
    "scripts": {
        "build-ci": "./npm_scripts.sh",
        "env": "env",
        "eval": "./npm_scripts.sh",
        "heroku-postbuild": "./npm_scripts.sh",
        "postinstall": "./npm_scripts.sh",
        "start": "./npm_scripts.sh",
        "test": "./npm_scripts.sh",
        "utility2": "./npm_scripts.sh"
    },
    "utility2Dependents": [
        "2020.06.08 apidoc-lite",
        "2020.06.12 bootstrap-lite",
        "2020.08.19 sqlite3-lite",
        "2020.10.27 jslint-lite",
        "2020.11.12 istanbul-lite",
        "2020.11.12 utility2"
    ],
    "version": "2020.11.12"
}

changelog of last 50 commits

internal build script

Dockerfile.base

# Dockerfile.base 
# docker build -f .tmp/README.Dockerfile.base -t kaizhu256/node-utility2:base . 
# docker build -f ".tmp/README.Dockerfile.$DOCKER_TAG" -t "$GITHUB_REPO:$DOCKER_TAG" . 
# https://hub.docker.com/_/node/ 
FROM debian:stable-slim
MAINTAINER kai zhu <kaizhu256@gmail.com>
VOLUME [ \
    "/mnt", \
    "/root", \
    "/tmp", \
    "/usr/share/doc", \
    "/usr/share/man", \
    "/var/cache", \
    "/var/lib/apt", \
    "/var/log", \
    "/var/tmp" \
]
WORKDIR /tmp
# install nodejs 
# https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions 
RUN (set -e; \
    export DEBIAN_FRONTEND=noninteractive; \
    apt-get update; \
    apt-get install --no-install-recommends -y \
        apt-utils \
        busybox \
        ca-certificates \
        curl \
        git \
        gnupg; \
    (busybox --list | xargs -n1 /bin/sh -c \
        'ln -s /bin/busybox /bin/$0 2>/dev/null' || true); \
    curl -Lf https://deb.nodesource.com/setup_14.x | /bin/bash -; \
    apt-get install -y nodejs; \
    (cd /usr/lib && npm install sqlite3@5); \
)
# install google-chrome-stable 
RUN (set -e; \
    curl -Lf https://dl.google.com/linux/linux_signing_key.pub | \
        apt-key add -; \
    printf "deb http://dl.google.com/linux/chrome/deb/ stable main\n" > \
        /etc/apt/sources.list.d/google.list; \
    apt-get update && apt-get install google-chrome-stable -y; \
)
# install extra 
RUN (set -e; \
    export DEBIAN_FRONTEND=noninteractive; \
    apt-get update; \
    apt-get install --no-install-recommends -y \
        aptitude \
        ffmpeg \
        imagemagick \
        less \
        nginx-extras \
        screen \
        sqlite3 \
        transmission-daemon \
        ssh \
        vim \
        wget \
        whois \
        xvfb; \
)

Dockerfile.latest

# Dockerfile.latest 
FROM kaizhu256/node-utility2:base
MAINTAINER kai zhu <kaizhu256@gmail.com>
# install utility2 
RUN (set -e; \
    export DEBIAN_FRONTEND=noninteractive; \
    npm install -g eslint \
    rm -f /tmp/.X99-lock && export DISPLAY=:99.0 && (Xvfb "$DISPLAY" &); \
    npm install kaizhu256/node-utility2#alpha; \
    cp -a node_modules /; \
    cd node_modules/utility2; \
    npm install; \
    npm test; \
)

Dockerfile.tmp

# Dockerfile.tmp 
FROM kaizhu256/node-utility2:base
MAINTAINER kai zhu <kaizhu256@gmail.com>
# install utility2 
RUN (set -e; \
    export DEBIAN_FRONTEND=noninteractive; \
    rm -f /tmp/.X99-lock && export DISPLAY=:99.0 && (Xvfb "$DISPLAY" &); \
    npm install kaizhu256/node-utility2#alpha; \
    cp -a node_modules /; \
    cd node_modules/utility2; \
    npm install; \
    npm test; \
)

build_ci.sh

# build_ci.sh 
 
# this shell script will run the build for this package 
 
shBuildCiAfter () {(set -e
    #// hack-coverage - test comment handling-behavior 
    # shDeployCustom 
    shDeployGithub
    shDeployHeroku
    shReadmeTest example.sh
    # restore $CI_BRANCH 
    export CI_BRANCH="$CI_BRANCH_OLD"
    # docker build 
    docker --version 2>/dev/null || return
    export DOCKER_TAG="$(printf "$CI_BRANCH" | sed -e "s/docker.//")"
    # if $DOCKER_TAG is not unique from $CI_BRANCH, then return 
    if [ "$DOCKER_TAG" = "$CI_BRANCH" ]
    then
        return
    fi
    # docker build 
    docker build \
        -f ".tmp/README.Dockerfile.$DOCKER_TAG" \
        -t "$GITHUB_REPO:$DOCKER_TAG" .
    # docker test 
    case "$CI_BRANCH" in
    docker.latest)
        # npm test utility2 
        for PACKAGE in utility2 "kaizhu256/node-utility2#alpha"
        do
            docker run "$GITHUB_REPO:$DOCKER_TAG" /bin/sh -c "set -e
                curl -Lf https://raw.githubusercontent.com\
/kaizhu256/node-utility2/alpha/lib.utility2.sh > /tmp/lib.utility2.sh
                . /tmp/lib.utility2.sh
                npm install '$PACKAGE'
                cd node_modules/utility2
                shBuildInsideDocker
"
        done
        ;;
    esac
    # https://docs.travis-ci.com/user/docker/#Pushing-a-Docker-Image-to-a-Registry 
    # docker push 
    if [ "$DOCKER_PASSWORD" ]
    then
        docker login -p="$DOCKER_PASSWORD" -u="$DOCKER_USERNAME"
        docker push "$GITHUB_REPO:$DOCKER_TAG"
    fi
)}
 
shBuildCiBefore () {(set -e
    shNpmTestPublished
    shReadmeTest example.js
    # screenshot 
    MODE_BUILD=testExampleJs shBrowserScreenshot \
        file:///tmp/app/.tmp/build/coverage/app/example.js.html
    MODE_BUILD=testExampleJs shBrowserScreenshot \
        file:///tmp/app/.tmp/build/test-report.html
)}
 
# run shBuildCi 
. ./lib.utility2.sh
shBuildCi

misc

this package was created with utility2

utility2

utility2

live web demo

table of contents

cdn download

documentation

api doc

cli help

changelog 2020.11.12

todo

quickstart standalone app

to run this example, follow instruction in script below

output from browser

output from shell

quickstart example.js

to run this example, follow the instruction in the script below

output from browser

output from shell

extra screenshots

package.json

changelog of last 50 commits

internal build script

misc

Readme

Keywords

Package Sidebar

Install

Repository

Homepage

Weekly Downloads

Version

License

Unpacked Size

Total Files

Last publish

Collaborators

utility2

utility2

live web demo

table of contents

cdn download

documentation

api doc

cli help

changelog 2020.11.12

todo

quickstart standalone app

to run this example, follow instruction in script below

output from browser

output from shell

quickstart example.js

to run this example, follow the instruction in the script below

output from browser

output from shell

extra screenshots

package.json

changelog of last 50 commits

internal build script

misc

Readme

Keywords

Package Sidebar

Install

Repository

Homepage

DownloadsWeekly Downloads

Version

License

Unpacked Size

Total Files

Last publish

Collaborators

Weekly Downloads