@dlr-eoc/utils-browser/fesm2022/dlr-eoc-utils-browser.mjs

This library contains a collection of utilities like download data as blob and Paper layout.

function downloadJson(data, fileName) {
    const jsonData = JSON.stringify(data);
    const blob = new Blob([jsonData], { type: 'text/json;charset=utf-8;' });
    return downloadBlob(blob, fileName);
}
function downloadBlob(blob, fileName) {
    const url = window.URL.createObjectURL(blob);
    downloadUrl(url, fileName);
}
function downloadUrl(url, fileName) {
    // window.open(url) doesn't work here. Instead, we create a temporary link item and simulate a click on it.
    const a = document.createElement('a');
    document.body.appendChild(a);
    a.style.display = 'none';
    a.href = url;
    a.download = fileName;
    a.click();
    window.URL.revokeObjectURL(url);
    document.body.removeChild(a);
}

const PaperSizeTable = {
    A6: {
        longCm: 14.8,
        shortCm: 10.5
    },
    A5: {
        longCm: 21.0,
        shortCm: 14.8
    },
    A4: {
        longCm: 29.7,
        shortCm: 21.0
    },
    A3: {
        longCm: 42.0,
        shortCm: 29.7
    },
    A2: {
        longCm: 59.4,
        shortCm: 42.0
    },
    A1: {
        longCm: 84.1,
        shortCm: 59.4
    },
    A0: {
        longCm: 118.9,
        shortCm: 84.1
    },
};
const inchPerCm = 0.393701;
/**
 * A utility class intended to help with getting the dimensions of a paper.
 * Especially useful for preparing html that needs to be printed.
 */
class Paper {
    constructor(format, resolution, orientation) {
        this.format = format;
        this.resolution = resolution;
        this.orientation = orientation;
        const shortCm = PaperSizeTable[format].shortCm;
        const longCm = PaperSizeTable[format].longCm;
        const shortPx = Math.floor(shortCm * inchPerCm * resolution);
        const longPx = Math.floor(longCm * inchPerCm * resolution);
        if (orientation === 'portrait') {
            this.widthCm = shortCm;
            this.heightCm = longCm;
            this.widthPx = shortPx;
            this.heightPx = longPx;
        }
        else {
            this.widthCm = longCm;
            this.heightCm = shortCm;
            this.widthPx = longPx;
            this.heightPx = shortPx;
        }
    }
    updateFormat(format) {
        return new Paper(format, this.resolution, this.orientation);
    }
    updateResolution(resolution) {
        return new Paper(this.format, resolution, this.orientation);
    }
    updateOrientation(orientation) {
        return new Paper(this.format, this.resolution, orientation);
    }
}

/*
 * Public API Surface of utils-browser
 */

/**
 * Generated bundle index. Do not edit.
 */

export { Paper, downloadBlob, downloadJson, downloadUrl };
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