index.js

///<reference path="node_modules/makerjs/dist/index.d.ts" />
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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};
var makerjs = require('makerjs');
var App = /** @class */ (function () {
    function App() {
        var _this = this;
        this.renderCurrent = function () {
            _this.errorDisplay.innerHTML = '';
            var size = _this.sizeInput.valueAsNumber;
            if (!size)
                size = parseFloat(_this.sizeInput.value);
            if (!size)
                size = 100;
            _this.render(_this.selectFamily.selectedIndex, _this.selectVariant.selectedIndex, _this.textInput.value, size, _this.unionCheckbox.checked, _this.filledCheckbox.checked, _this.kerningCheckbox.checked, _this.separateCheckbox.checked, parseFloat(_this.bezierAccuracy.value) || undefined, _this.selectUnits.value, _this.fillInput.value, _this.strokeInput.value, _this.strokeWidthInput.value, _this.strokeNonScalingCheckbox.checked, _this.fillRuleInput.value);
        };
        this.loadVariants = function () {
            _this.selectVariant.options.length = 0;
            var f = _this.fontList.items[_this.selectFamily.selectedIndex];
            var v = f.variants.forEach(function (v) { return _this.addOption(_this.selectVariant, v); });
            _this.renderCurrent();
        };
        this.downloadSvg = function () {
            var SvgFile = window.btoa(_this.outputTextarea.value);
            _this.downloadButton.href = 'data:image/svg+xml;base64,' + SvgFile;
            _this.downloadButton.download = _this.textInput.value;
        };
        this.downloadDxf = function () {
            var dxfFile = window.btoa(_this.renderDiv.getAttribute('data-dxf'));
            _this.dxfButton.href = 'data:application/dxf;base64,' + dxfFile;
            _this.dxfButton.download = _this.textInput.value + '.dxf';
        };
        this.copyToClipboard = function () {
            _this.outputTextarea.select();
            document.execCommand('copy');
            _this.copyToClipboardBtn.innerText = 'copied';
            setTimeout(function () {
                _this.copyToClipboardBtn.innerText = 'copy to clipboard';
            }, 2000);
        };
        this.updateUrl = function () {
            var urlSearchParams = new URLSearchParams(window.location.search);
            urlSearchParams.set('font-select', _this.selectFamily.value);
            urlSearchParams.set('font-variant', _this.selectVariant.value);
            urlSearchParams.set('input-union', String(_this.unionCheckbox.checked));
            urlSearchParams.set('input-filled', String(_this.filledCheckbox.checked));
            urlSearchParams.set('input-kerning', String(_this.kerningCheckbox.checked));
            urlSearchParams.set('input-separate', String(_this.separateCheckbox.checked));
            urlSearchParams.set('input-text', _this.textInput.value);
            urlSearchParams.set('input-bezier-accuracy', _this.bezierAccuracy.value);
            urlSearchParams.set('dxf-units', _this.selectUnits.value);
            urlSearchParams.set('input-size', _this.sizeInput.value);
            urlSearchParams.set('input-fill', _this.fillInput.value);
            urlSearchParams.set('input-stroke', _this.strokeInput.value);
            urlSearchParams.set('input-strokeWidth', _this.strokeWidthInput.value);
            urlSearchParams.set('input-fill-rule', _this.fillRuleInput.value);
            var url = window.location.protocol
                + "//" + window.location.host
                + window.location.pathname
                + "?"
                + urlSearchParams.toString();
            window.history.replaceState({ path: url }, "", url);
            _this.copyString(window.location.href);
            _this.createLinkButton.innerText = 'copied';
            setTimeout(function () {
                _this.createLinkButton.innerText = 'create link';
            }, 2000);
        };
        this.copyString = function (string) {
            _this.dummy.value = string;
            _this.dummy.type = 'text';
            _this.dummy.select();
            document.execCommand('copy');
            _this.dummy.type = 'hidden';
        };
        this.readUploadedFile = function (event) { return __awaiter(_this, void 0, void 0, function () {
            var element, files, buffer, font;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        element = event.currentTarget;
                        if (!(element.files.length === 0)) return [3 /*break*/, 1];
                        this.customFont = undefined;
                        return [3 /*break*/, 3];
                    case 1:
                        files = element.files[0];
                        return [4 /*yield*/, files.arrayBuffer()];
                    case 2:
                        buffer = _a.sent();
                        font = opentype.parse(buffer);
                        this.customFont = font;
                        _a.label = 3;
                    case 3:
                        this.renderCurrent();
                        return [2 /*return*/];
                }
            });
        }); };
        this.removeUploadedFont = function () {
            _this.fileUpload.value = null;
            _this.customFont = undefined;
            _this.renderCurrent();
        };
    }
    App.prototype.init = function () {
        var _this = this;
        this.errorDisplay = this.$('#error-display');
        this.fileUpload = this.$('#font-upload');
        this.fileUploadRemove = this.$('#font-upload-remove');
        this.selectFamily = this.$('#font-select');
        this.selectVariant = this.$('#font-variant');
        this.unionCheckbox = this.$('#input-union');
        this.filledCheckbox = this.$('#input-filled');
        this.kerningCheckbox = this.$('#input-kerning');
        this.separateCheckbox = this.$('#input-separate');
        this.textInput = this.$('#input-text');
        this.bezierAccuracy = this.$('#input-bezier-accuracy');
        this.selectUnits = this.$('#dxf-units');
        this.sizeInput = this.$('#input-size');
        this.renderDiv = this.$('#svg-render');
        this.outputTextarea = this.$('#output-svg');
        this.downloadButton = this.$("#download-btn");
        this.dxfButton = this.$("#dxf-btn");
        this.createLinkButton = this.$("#create-link");
        this.copyToClipboardBtn = this.$("#copy-to-clipboard-btn");
        this.dummy = this.$('#dummy');
        this.fillInput = this.$('#input-fill');
        this.strokeInput = this.$('#input-stroke');
        this.strokeWidthInput = this.$('#input-stroke-width');
        this.strokeNonScalingCheckbox = this.$('#input-stroke-non-scaling');
        this.fillRuleInput = this.$("#input-fill-rule");
        // Init units select.
        Object.values(makerjs.unitType).forEach(function (unit) { return _this.addOption(_this.selectUnits, typeof unit === 'string'
            ? unit : ''); });
    };
    App.prototype.readQueryParams = function () {
        var urlSearchParams = new URLSearchParams(window.location.search);
        var selectFamily = urlSearchParams.get('font-select');
        var selectVariant = urlSearchParams.get('font-variant');
        var unionCheckbox = urlSearchParams.get('input-union');
        var filledCheckbox = urlSearchParams.get('input-filled');
        var kerningCheckbox = urlSearchParams.get('input-kerning');
        var separateCheckbox = urlSearchParams.get('input-separate');
        var textInput = urlSearchParams.get('input-text');
        var bezierAccuracy = urlSearchParams.get('input-bezier-accuracy');
        var selectUnits = urlSearchParams.get('dxf-units');
        var sizeInput = urlSearchParams.get('input-size');
        var fillInput = urlSearchParams.get('input-fill');
        var strokeInput = urlSearchParams.get('input-stroke');
        var strokeWidthInput = urlSearchParams.get('input-stroke-width');
        var strokeNonScalingCheckbox = urlSearchParams.get('input-stroke-non-scaling');
        var fillRuleInput = urlSearchParams.get('input-fill-rule');
        if (selectFamily !== "" && selectFamily !== null)
            this.selectFamily.value = selectFamily;
        if (selectVariant !== "" && selectVariant !== null)
            this.selectVariant.value = selectVariant;
        if (selectUnits !== "" && selectUnits !== null)
            this.selectUnits.value = selectUnits;
        if (unionCheckbox !== "" && unionCheckbox !== null)
            this.unionCheckbox.checked = unionCheckbox === "true" ? true : false;
        if (filledCheckbox !== "" && filledCheckbox !== null)
            this.filledCheckbox.checked = filledCheckbox === "true" ? true : false;
        if (kerningCheckbox !== "" && kerningCheckbox !== null)
            this.kerningCheckbox.checked = kerningCheckbox === "true" ? true : false;
        if (separateCheckbox !== "" && separateCheckbox !== null)
            this.separateCheckbox.checked = separateCheckbox === "true" ? true : false;
        if (textInput !== "" && textInput !== null)
            this.textInput.value = textInput;
        if (bezierAccuracy !== "" && bezierAccuracy !== null)
            this.bezierAccuracy.value = bezierAccuracy;
        if (sizeInput !== "" && sizeInput !== null)
            this.sizeInput.value = sizeInput;
        if (fillInput !== "" && fillInput !== null)
            this.fillInput.value = fillInput;
        if (strokeInput !== "" && strokeInput !== null)
            this.strokeInput.value = strokeInput;
        if (strokeWidthInput !== "" && strokeWidthInput !== null)
            this.strokeWidthInput.value = strokeWidthInput;
        if (strokeNonScalingCheckbox !== "" && strokeNonScalingCheckbox !== null)
            this.strokeNonScalingCheckbox.checked = strokeNonScalingCheckbox === "true" ? true : false;
        if (fillRuleInput !== "" && fillRuleInput !== null)
            this.fillRuleInput.value = fillRuleInput;
    };
    App.prototype.handleEvents = function () {
        this.fileUpload.onchange = this.readUploadedFile;
        this.fileUploadRemove.onclick = this.removeUploadedFont;
        this.selectFamily.onchange = this.loadVariants;
        this.selectVariant.onchange =
            this.textInput.onchange =
                this.textInput.onkeyup =
                    this.sizeInput.onkeyup =
                        this.unionCheckbox.onchange =
                            this.filledCheckbox.onchange =
                                this.kerningCheckbox.onchange =
                                    this.separateCheckbox.onchange =
                                        this.bezierAccuracy.onchange =
                                            this.bezierAccuracy.onkeyup =
                                                this.selectUnits.onchange =
                                                    this.fillInput.onchange =
                                                        this.fillInput.onkeyup =
                                                            this.strokeInput.onchange =
                                                                this.strokeInput.onkeyup =
                                                                    this.strokeWidthInput.onchange =
                                                                        this.strokeWidthInput.onkeyup =
                                                                            this.strokeNonScalingCheckbox.onchange =
                                                                                this.fillRuleInput.onchange =
                                                                                    this.renderCurrent;
        // Is triggered on the document whenever a new color is picked
        document.addEventListener("coloris:pick", debounce(this.renderCurrent));
        this.copyToClipboardBtn.onclick = this.copyToClipboard;
        this.downloadButton.onclick = this.downloadSvg;
        this.dxfButton.onclick = this.downloadDxf;
        this.createLinkButton.onclick = this.updateUrl;
    };
    App.prototype.$ = function (selector) {
        return document.querySelector(selector);
    };
    App.prototype.addOption = function (select, optionText) {
        var option = document.createElement('option');
        option.text = optionText;
        option.value = optionText;
        select.options.add(option);
    };
    App.prototype.getGoogleFonts = function (apiKey) {
        var _this = this;
        var xhr = new XMLHttpRequest();
        xhr.open('get', 'https://www.googleapis.com/webfonts/v1/webfonts?key=' + apiKey, true);
        xhr.onloadend = function () {
            _this.fontList = JSON.parse(xhr.responseText);
            _this.fontList.items.forEach(function (font) { return _this.addOption(_this.selectFamily, font.family); });
            _this.loadVariants();
            _this.handleEvents();
            _this.readQueryParams();
            _this.renderCurrent();
        };
        xhr.send();
    };
    App.prototype.callMakerjs = function (font, text, size, union, filled, kerning, separate, bezierAccuracy, units, fill, stroke, strokeWidth, strokeNonScaling, fillRule) {
        //generate the text using a font
        var textModel = new makerjs.models.Text(font, text, size, union, false, bezierAccuracy, { kerning: kerning });
        if (separate) {
            for (var i in textModel.models) {
                textModel.models[i].layer = i;
            }
        }
        var svg = makerjs.exporter.toSVG(textModel, {
            fill: filled ? fill : undefined,
            stroke: stroke ? stroke : undefined,
            strokeWidth: strokeWidth ? strokeWidth : undefined,
            fillRule: fillRule ? fillRule : undefined,
            scalingStroke: !strokeNonScaling,
        });
        var dxf = makerjs.exporter.toDXF(textModel, { units: units, usePOLYLINE: true });
        this.renderDiv.innerHTML = svg;
        this.renderDiv.setAttribute('data-dxf', dxf);
        this.outputTextarea.value = svg;
    };
    App.prototype.render = function (fontIndex, variantIndex, text, size, union, filled, kerning, separate, bezierAccuracy, units, fill, stroke, strokeWidth, strokeNonScaling, fillRule) {
        var _this = this;
        var f = this.fontList.items[fontIndex];
        var v = f.variants[variantIndex];
        var url = f.files[v].replace('http:', 'https:');
        if (this.customFont !== undefined) {
            this.callMakerjs(this.customFont, text, size, union, filled, kerning, separate, bezierAccuracy, units, fill, stroke, strokeWidth, strokeNonScaling, fillRule);
        }
        else {
            opentype.load(url, function (err, font) {
                if (err) {
                    _this.errorDisplay.innerHTML = err.toString();
                }
                else {
                    _this.callMakerjs(font, text, size, union, filled, kerning, separate, bezierAccuracy, units, fill, stroke, strokeWidth, strokeNonScaling, fillRule);
                }
            });
        }
    };
    return App;
}());
var app = new App();
window.onload = function () {
    app.init();
    app.getGoogleFonts('AIzaSyAOES8EmKhuJEnsn9kS1XKBpxxp-TgN8Jc');
};
/**
 * Creates and returns a new debounced version of the passed function that will
 * postpone its execution until after wait milliseconds have elapsed since the last time it was invoked.
 *
 * @param callback
 * @param wait
 * @returns
 */
function debounce(callback, wait) {
    if (wait === void 0) { wait = 200; }
    var timeoutId = null;
    return function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        window.clearTimeout(timeoutId);
        timeoutId = window.setTimeout(function () {
            callback.apply(null, args);
        }, wait);
    };
}