nedb2

v2018.12.30

Published

2 years ago

this zero-dependency package will provide a persistent, in-browser database, with a working web-demo

Downloads

0High
0Medium
0Low

kaizhu

louischatriot

database embedded indexeddb nedb

db-lite

this zero-dependency package will provide a persistent, in-browser database, with a working web-demo

live web demo

https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/app

npmPackageDependencyTree

cdn download

https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/app/assets.db.js

documentation

cli help

screenshot

api doc

https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/apidoc.html

todo

none

changelog 2018.12.30

npm publish 2018.12.30
fix ui buttons
update build
none

this package requires

darwin or linux os

quickstart standalone app

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

assets.app.js

# example.sh

# this shell script will download and run a web-demo of db-lite as a standalone app

# 1. download standalone app
curl -O https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/app/assets.app.js
# 2. run standalone app
PORT=8081 node ./assets.app.js
# 3. open a browser to http://127.0.0.1:8081 and play with the web-demo
# 4. edit file assets.app.js to suit your needs

output from browser

output from shell

screenshot

quickstart example.js

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

example.js

/*
example.js

this script will run a web-demo of db-lite

instruction
    1. save this script as example.js
    2. run the shell-command:
        $ npm install db-lite && PORT=8081 node example.js
    3. open a browser to http://127.0.0.1:8081 and play with the web-demo
    4. edit this script to suit your needs
*/



/* istanbul instrument in package db */
/* istanbul ignore next */
/* jslint utility2:true */
(function (globalThis) {
    "use strict";
    var consoleError;
    var local;
    // init globalThis
    (function () {
        try {
            globalThis = Function("return this")(); // jslint ignore:line
        } catch (ignore) {}
    }());
    globalThis.globalThis = globalThis;
    // init debug_inline
    if (!globalThis["debug\u0049nline"]) {
        consoleError = console.error;
        globalThis["debug\u0049nline"] = function () {
        /*
         * this function will both print <arguments> to stderr
         * and return <arguments>[0]
         */
            var argList;
            argList = Array.from(arguments); // jslint ignore:line
            // debug arguments
            globalThis["debug\u0049nlineArguments"] = argList;
            consoleError("\n\ndebug\u0049nline");
            consoleError.apply(console, argList);
            consoleError("\n");
            // return arg0 for inspection
            return argList[0];
        };
    }
    // init local
    local = {};
    local.local = local;
    globalThis.globalLocal = local;
    // init isBrowser
    local.isBrowser = (
        typeof window === "object"
        && window === globalThis
        && typeof window.XMLHttpRequest === "function"
        && window.document
        && typeof window.document.querySelector === "function"
    );
    // init function
    local.assertThrow = function (passed, message) {
    /*
     * this function will throw the error <message> if <passed> is falsy
     */
        var error;
        if (passed) {
            return;
        }
        error = (
            // ternary-condition
            (
                message
                && typeof message.message === "string"
                && typeof message.stack === "string"
            )
            // if message is an error-object, then leave it as is
            ? message
            : new Error(
                typeof message === "string"
                // if message is a string, then leave it as is
                ? message
                // else JSON.stringify message
                : JSON.stringify(message, null, 4)
            )
        );
        throw error;
    };
    local.functionOrNop = function (fnc) {
    /*
     * this function will if <fnc> exists,
     * them return <fnc>,
     * else return <nop>
     */
        return fnc || local.nop;
    };
    local.identity = function (value) {
    /*
     * this function will return <value>
     */
        return value;
    };
    local.nop = function () {
    /*
     * this function will do nothing
     */
        return;
    };
    local.objectAssignDefault = function (target, source) {
    /*
     * this function will if items from <target> are
     * null, undefined, or empty-string,
     * then overwrite them with items from <source>
     */
        Object.keys(source).forEach(function (key) {
            if (
                target[key] === null
                || target[key] === undefined
                || target[key] === ""
            ) {
                target[key] = target[key] || source[key];
            }
        });
    };
    // require builtin
    if (!local.isBrowser) {
        local.assert = require("assert");
        local.buffer = require("buffer");
        local.child_process = require("child_process");
        local.cluster = require("cluster");
        local.crypto = require("crypto");
        local.dgram = require("dgram");
        local.dns = require("dns");
        local.domain = require("domain");
        local.events = require("events");
        local.fs = require("fs");
        local.http = require("http");
        local.https = require("https");
        local.net = require("net");
        local.os = require("os");
        local.path = require("path");
        local.querystring = require("querystring");
        local.readline = require("readline");
        local.repl = require("repl");
        local.stream = require("stream");
        local.string_decoder = require("string_decoder");
        local.timers = require("timers");
        local.tls = require("tls");
        local.tty = require("tty");
        local.url = require("url");
        local.util = require("util");
        local.vm = require("vm");
        local.zlib = require("zlib");
    }
}(this));



(function (local) {
"use strict";



// run shared js-env code - init-before
(function () {
// init local
local = (
    globalThis.utility2_rollup
    || globalThis.utility2_db
    || require("db-lite")
);
// init exports
globalThis.local = local;
}());



/* istanbul ignore next */
// run browser js-env code - init-test
(function () {
if (!local.isBrowser) {
    return;
}
local.testRunBrowser = function (event) {
    if (!event || (
        event
        && event.currentTarget
        && event.currentTarget.className
        && event.currentTarget.className.includes
        && event.currentTarget.className.includes("onreset")
    )) {
        // reset output
        Array.from(document.querySelectorAll(
            "body > .resettable"
        )).forEach(function (element) {
            switch (element.tagName) {
            case "INPUT":
            case "TEXTAREA":
                element.value = "";
                break;
            default:
                element.textContent = "";
            }
        });
    }
    switch (event && event.currentTarget && event.currentTarget.id) {
    case "testRunButton1":
        // show tests
        if (document.querySelector(
            "#testReportDiv1"
        ).style.maxHeight === "0px") {
            local.uiAnimateSlideDown(document.querySelector(
                "#testReportDiv1"
            ));
            document.querySelector(
                "#testRunButton1"
            ).textContent = "hide internal test";
            local.modeTest = 1;
            local.testRunDefault(local);
        // hide tests
        } else {
            local.uiAnimateSlideUp(document.querySelector(
                "#testReportDiv1"
            ));
            document.querySelector(
                "#testRunButton1"
            ).textContent = "run internal test";
        }
        break;
    /* validateLineSortedReset */
    // custom-case
    case "dbExportButton1":
    case "dbImportButton1":
    case "dbImportInput1":
    case "dbResetButton1":
        local.db.onEventDomDb(event);
        break;
    }
    if (document.querySelector(
        "#inputTextareaEval1"
    ) && (!event || (
        event
        && event.currentTarget
        && event.currentTarget.className
        && event.currentTarget.className.includes
        && event.currentTarget.className.includes("oneval")
    ))) {
        // try to eval input-code
        try {
            eval(document.querySelector( // jslint ignore:line
                "#inputTextareaEval1"
            ).value);
        } catch (errorCaught) {
            console.error(errorCaught);
        }
    }
};

local.uiEventDelegate = local.uiEventDelegate || function (event) {
    // filter non-input keyup-event
    event.targetOnEvent = event.target.closest("[data-onevent]");
    if (!event.targetOnEvent) {
        return;
    }
    // rate-limit keyup
    if (event.type === "keyup") {
        local.uiEventDelegateKeyupEvent = event;
        if (local.uiEventDelegateKeyupTimerTimeout !== 2) {
            local.uiEventDelegateKeyupTimerTimeout = (
                local.uiEventDelegateKeyupTimerTimeout
                || setTimeout(function () {
                    local.uiEventDelegateKeyupTimerTimeout = 2;
                    local.uiEventDelegate(local.uiEventDelegateKeyupEvent);
                }, 100)
            );
            return;
        }
        local.uiEventDelegateKeyupTimerTimeout = null;
        if (!event.target.closest("input, option, select, textarea")) {
            return;
        }
    }
    switch (event.targetOnEvent.tagName) {
    case "BUTTON":
    case "FORM":
        event.preventDefault();
        break;
    }
    event.stopPropagation();
    local.uiEventListenerDict[event.targetOnEvent.dataset.onevent](event);
};

local.uiEventListenerDict = local.uiEventListenerDict || {};

local.uiEventListenerDict.testRunBrowser = local.testRunBrowser;

// log stderr and stdout to #outputStdoutTextarea1
["error", "log"].forEach(function (key) {
    console[key + "_original"] = console[key + "_original"] || console[key];
    console[key] = function () {
        var argList;
        var element;
        argList = Array.from(arguments); // jslint ignore:line
        console[key + "_original"].apply(console, argList);
        element = document.querySelector(
            "#outputStdoutTextarea1"
        );
        if (!element) {
            return;
        }
        // append text to #outputStdoutTextarea1
        element.value += argList.map(function (arg) {
            return (
                typeof arg === "string"
                ? arg
                : JSON.stringify(arg, null, 4)
            );
        }).join(" ").replace((
            /\u001b\[\d*m/g
        ), "") + "\n";
        // scroll textarea to bottom
        element.scrollTop = element.scrollHeight;
    };
});
// init event-handling
["Change", "Click", "Keyup", "Submit"].forEach(function (eventType) {
    Array.from(document.querySelectorAll(
        ".eventDelegate" + eventType
    )).forEach(function (element) {
        element.addEventListener(eventType.toLowerCase(), local.uiEventDelegate);
    });
});
// run tests
local.testRunBrowser();
}());



/* istanbul ignore next */
// run node js-env code - init-test
(function () {
if (local.isBrowser) {
    return;
}
// init exports
module.exports = local;
/* validateLineSortedReset */
// init assets
local.assetsDict = local.assetsDict || {};
[
    "assets.index.template.html",
    "assets.swgg.swagger.json",
    "assets.swgg.swagger.server.json"
].forEach(function (file) {
    file = "/" + file;
    local.assetsDict[file] = local.assetsDict[file] || "";
    if (local.fs.existsSync(local.__dirname + file)) {
        local.assetsDict[file] = local.fs.readFileSync(
            local.__dirname + file,
            "utf8"
        );
    }
});
/* 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\
/* csslint ignore:end */\n\
@keyframes uiAnimateShake {\n\
    0%, 50% {\n\
        transform: translateX(10px);\n\
    }\n\
    25%, 75% {\n\
        transform: translateX(-10px);\n\
    }\n\
    100% {\n\
        transform: translateX(0);\n\
    }\n\
}\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: #eef;\n\
    font-family: Arial, Helvetica, sans-serif;\n\
    margin: 0 40px;\n\
}\n\
body > div,\n\
body > form > div,\n\
body > form > input,\n\
body > form > pre,\n\
body > form > textarea,\n\
body > form > .button,\n\
body > input,\n\
body > pre,\n\
body > textarea,\n\
body > .button {\n\
    margin-bottom: 20px;\n\
}\n\
body > form > input,\n\
body > form > .button,\n\
body > input,\n\
body > .button {\n\
    width: 20rem;\n\
}\n\
body > form > textarea,\n\
body > textarea {\n\
    height: 10rem;\n\
    width: 100%;\n\
}\n\
body > textarea[readonly] {\n\
    background: #ddd;\n\
}\n\
code,\n\
pre,\n\
textarea {\n\
    font-family: Consolas, Menlo, monospace;\n\
    font-size: small;\n\
}\n\
pre {\n\
    overflow-wrap: break-word;\n\
    white-space: pre-wrap;\n\
}\n\
textarea {\n\
    overflow: auto;\n\
    white-space: pre;\n\
}\n\
.button {\n\
    background-color: #fff;\n\
    border: 1px solid;\n\
    border-bottom-color: rgb(186, 186, 186);\n\
    border-left-color: rgb(209, 209, 209);\n\
    border-radius: 4px;\n\
    border-right-color: rgb(209, 209, 209);\n\
    border-top-color: rgb(216, 216, 216);\n\
    color: #00d;\n\
    cursor: pointer;\n\
    display: inline-block;\n\
    font-family: Arial, Helvetica, sans-serif;\n\
    font-size: 12px;\n\
    font-style: normal;\n\
    font-weight: normal;\n\
    margin: 0;\n\
    padding: 2px 7px 3px 7px;\n\
    text-align: center;\n\
    text-decoration: underline;\n\
}\n\
.colorError {\n\
    color: #d00;\n\
}\n\
.uiAnimateShake {\n\
    animation-duration: 500ms;\n\
    animation-name: uiAnimateShake;\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\
.utility2FooterDiv {\n\
    text-align: center;\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 id="ajaxProgressDiv1" style="background: #d00; height: 2px; left: 0; margin: 0; padding: 0; position: fixed; top: 0; transition: background 500ms, width 1500ms; width: 0%; z-index: 1;"></div>\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\
<a class="zeroPixel" download="db.persistence.json" href="" id="dbExportA1"></a>\n\
<input class="zeroPixel" id="dbImportInput1" type="file">\n\
<script>\n\
/* jslint utility2:true */\n\
// init domOnEventWindowOnloadTimeElapsed\n\
(function () {\n\
/*\n\
 * this function will measure and print the time-elapsed for window.onload\n\
 */\n\
    "use strict";\n\
    if (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\
\n\
// init timerIntervalAjaxProgressUpdate\n\
(function () {\n\
/*\n\
 * this function will increment the ajax-progress-bar\n\
 * until the webpage has loaded\n\
 */\n\
    "use strict";\n\
    var ajaxProgressDiv1;\n\
    var ajaxProgressState;\n\
    var ajaxProgressUpdate;\n\
    if (\n\
        window.timerIntervalAjaxProgressUpdate\n\
        || !document.querySelector(\n\
            "#ajaxProgressDiv1"\n\
        )\n\
    ) {\n\
        return;\n\
    }\n\
    ajaxProgressDiv1 = document.querySelector(\n\
        "#ajaxProgressDiv1"\n\
    );\n\
    setTimeout(function () {\n\
        ajaxProgressDiv1.style.width = "25%";\n\
    });\n\
    ajaxProgressState = 0;\n\
    ajaxProgressUpdate = (\n\
        window.local\n\
        && window.local.ajaxProgressUpdate\n\
    ) || function () {\n\
        ajaxProgressDiv1.style.width = "100%";\n\
        setTimeout(function () {\n\
            ajaxProgressDiv1.style.background = "transparent";\n\
            setTimeout(function () {\n\
                ajaxProgressDiv1.style.width = "0%";\n\
            }, 500);\n\
        }, 1000);\n\
    };\n\
    window.timerIntervalAjaxProgressUpdate = setInterval(function () {\n\
        ajaxProgressState += 1;\n\
        ajaxProgressDiv1.style.width = Math.max(\n\
            100 - 75 * Math.exp(-0.125 * ajaxProgressState),\n\
            ajaxProgressDiv1.style.width.slice(0, -1) | 0\n\
        ) + "%";\n\
    }, 1000);\n\
    window.addEventListener("load", function () {\n\
        clearInterval(window.timerIntervalAjaxProgressUpdate);\n\
        ajaxProgressUpdate();\n\
    });\n\
}());\n\
\n\
\n\
\n\
// init domOnEventSelectAllWithinPre\n\
(function () {\n\
/*\n\
 * this function will limit select-all within <pre tabIndex="0"> elements\n\
 * https://stackoverflow.com/questions/985272/selecting-text-in-an-element-akin-to-highlighting-with-your-mouse\n\
 */\n\
    "use strict";\n\
    if (window.domOnEventSelectAllWithinPre) {\n\
        return;\n\
    }\n\
    window.domOnEventSelectAllWithinPre = function (event) {\n\
        var range;\n\
        var selection;\n\
        if (\n\
            event\n\
            && event.key === "a"\n\
            && (event.ctrlKey || event.metaKey)\n\
            && event.target.closest("pre")\n\
        ) {\n\
            range = document.createRange();\n\
            range.selectNodeContents(event.target.closest("pre"));\n\
            selection = window.getSelection();\n\
            selection.removeAllRanges();\n\
            selection.addRange(range);\n\
            event.preventDefault();\n\
        }\n\
    };\n\
    // init event-handling\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 eventDelegateClick onreset" data-onevent="testRunBrowser" id="testRunButton1">run internal test</button><br>\n\
<div class="uiAnimateSlide" id="testReportDiv1" 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\
\n\
<button class="button eventDelegateClick" data-onevent="testRunBrowser" data-on-event-dom-db="dbResetButton1" id="dbResetButton1">\n\
    reset database\n\
</button><br>\n\
<button class="button eventDelegateClick" data-onevent="testRunBrowser" data-on-event-dom-db="dbExportButton1" id="dbExportButton1">\n\
    export database -&gt; file\n\
</button><br>\n\
<button class="button eventDelegateClick" data-onevent="testRunBrowser" data-on-event-dom-db="dbImportButton1" id="dbImportButton1">\n\
    import database &lt;- file\n\
</button><br>\n\
<label>edit or paste script below to\n\
    <a\n\
        href="https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/apidoc.html"\n\
        target="_blank"\n\
    >eval</a>\n\
</label>\n\
<textarea id="inputTextareaEval1">\n\
/*jslint browser: true, node: true*/\n\
"use strict";\n\
var dbTable1, modeNext, onNext;\n\
modeNext = 0;\n\
onNext = function (error, data) {\n\
    modeNext = error\n\
        ? Infinity\n\
        : modeNext + 1;\n\
    switch (modeNext) {\n\
    case 1:\n\
        dbTable1 = window.dbTable1 = window.utility2_db.dbTableCreateOne({\n\
            name: "dbTable1"\n\
        }, onNext);\n\
        break;\n\
    case 2:\n\
        dbTable1.idIndexCreate({ name: "field1" }, onNext);\n\
        break;\n\
    case 3:\n\
        dbTable1.crudSetOneById({ field1: "aa", field2: 1, field3: "foo" }, onNext);\n\
        break;\n\
    case 4:\n\
        dbTable1.crudSetOneById({ field1: "bb", field2: 2, field3: "bar" }, onNext);\n\
        break;\n\
    case 5:\n\
        dbTable1.crudSetOneById({ field1: "cc", field2: 3, field3: "baz" }, onNext);\n\
        break;\n\
    case 6:\n\
        dbTable1.crudRemoveOneById({ field1: "aa" }, onNext);\n\
        break;\n\
    case 7:\n\
        dbTable1.crudUpdateOneById({ field1: "bb", field2: -1 }, onNext);\n\
        break;\n\
    case 8:\n\
        dbTable1.crudSetOneById({ field2: Math.random() }, onNext);\n\
        break;\n\
    case 9:\n\
        dbTable1.crudGetManyByQuery({\n\
            limit: Infinity,\n\
            query: { field2: { $gte: -Infinity, $lte: Infinity } },\n\
            skip: 0,\n\
            sort: [{ fieldName: "_timeUpdated", idDescending: true }]\n\
        }, onNext);\n\
        break;\n\
    case 10:\n\
        console.error(data);\n\
        dbTable1.crudCountAll(onNext);\n\
        break;\n\
    case 11:\n\
        console.error("number of rows: " + data);\n\
        break;\n\
    default:\n\
        console.error(error.stack);\n\
    }\n\
};\n\
onNext();\n\
</textarea>\n\
<button class="button eventDelegateClick oneval onreset" data-onevent="testRunBrowser" id="dbEvalButton1">eval script</button><br>\n\
<label>stderr and stdout</label>\n\
<textarea class="resettable" id="outputStdoutTextarea1" readonly></textarea>\n\
<!-- utility2-comment\n\
{{#if isRollup}}\n\
<script src="assets.app.js"></script>\n\
{{#unless isRollup}}\n\
utility2-comment -->\n\
<script src="assets.utility2.rollup.js"></script>\n\
<script>window.utility2_onReadyBefore.counter += 1;</script>\n\
<script src="jsonp.utility2.stateInit?callback=window.utility2.stateInit"></script>\n\
<script src="assets.db.js"></script>\n\
<script src="assets.example.js"></script>\n\
<script src="assets.test.js"></script>\n\
<script>window.utility2_onReadyBefore();</script>\n\
<!-- utility2-comment\n\
{{/if isRollup}}\n\
utility2-comment -->\n\
<div class="utility2FooterDiv">\n\
    [ this app was created with\n\
    <a href="https://github.com/kaizhu256/node-utility2" target="_blank">utility2</a>\n\
    ]\n\
</div>\n\
</body>\n\
</html>\n\
';
/* jslint ignore:end */
/* validateLineSortedReset */
/* jslint ignore:start */
local.assetsDict["/assets.db.js"] =
    local.assetsDict["/assets.db.js"] ||
    local.fs.readFileSync(local.__dirname + "/lib.db.js", "utf8"
).replace((/^#!\//), "// ");
/* jslint ignore:end */
/* 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 "db-lite";
    case "npm_package_nameLib":
        return "db";
    case "npm_package_version":
        return "0.0.1";
    default:
        return match0;
    }
});
local.assetsDict["/assets.example.html"] = local.assetsDict["/"];
local.assetsDict["/index.html"] = local.assetsDict["/"];
// init cli
if (module !== require.main || globalThis.utility2_rollup) {
    return;
}
/* validateLineSortedReset */
local.assetsDict["/assets.example.js"] = (
    local.assetsDict["/assets.example.js"]
    || local.fs.readFileSync(__filename, "utf8")
);
local.assetsDict["/favicon.ico"] = local.assetsDict["/favicon.ico"] || "";
// 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("server starting on port " + process.env.PORT);
local.http.createServer(function (request, response) {
    request.urlParsed = local.url.parse(request.url);
    if (local.assetsDict[request.urlParsed.pathname] !== undefined) {
        response.end(local.assetsDict[request.urlParsed.pathname]);
        return;
    }
    response.statusCode = 404;
    response.end();
}).listen(process.env.PORT);
}());



}());

output from browser

output from shell

screenshot

extra screenshots

package.json

{
    "author": "kai zhu <[email protected]>",
    "bin": {
        "db-lite": "lib.db.js"
    },
    "description": "this zero-dependency package will provide a persistent, in-browser database, with a working web-demo",
    "devDependencies": {
        "electron-lite": "kaizhu256/node-electron-lite#alpha",
        "utility2": "kaizhu256/node-utility2#alpha"
    },
    "engines": {
        "node": ">=8.0"
    },
    "homepage": "https://github.com/kaizhu256/node-db-lite",
    "keywords": [
        "database",
        "embedded",
        "indexeddb",
        "nedb"
    ],
    "license": "MIT",
    "main": "lib.db.js",
    "name": "db-lite",
    "nameAliasPublish": "esdb nanodb nedb2",
    "nameLib": "db",
    "nameOriginal": "db-lite",
    "os": [
        "darwin",
        "linux"
    ],
    "repository": {
        "type": "git",
        "url": "https://github.com/kaizhu256/node-db-lite.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"
    },
    "version": "2018.12.30"
}

changelog of last 50 commits

internal build script

build_ci.sh

# build_ci.sh

# this shell script will run the build for this package

shBuildCiAfter () {(set -e
    # shDeployCustom
    shDeployGithub
    shDeployHeroku
    shReadmeTest example.sh
)}

shBuildCiBefore () {(set -e
    shNpmTestPublished
    shReadmeTest example.js
)}

# run shBuildCi
eval "$(utility2 source)"
shBuildCi

misc

this package was created with utility2

Published

Vulnerabilities

Links

Maintainers

Keywords

Readme

db-lite

live web demo

table of contents

cdn download

documentation

cli help

api doc

todo

changelog 2018.12.30

this package requires

quickstart standalone app

to run this example, follow the instruction in the 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