FM / plugins

/var/www/flurhymez/node_modules/svgo/plugins/

/var/www/flurhymez/node_modules/svgo/plugins

Name	Size	Mode	Actions
addAttributesToSVGElement.js	2066	0644	edit dl rm
addClassesToSVGElement.js	1833	0644	edit dl rm
cleanupAttrs.js	1457	0644	edit dl rm
cleanupEnableBackground.js	2014	0644	edit dl rm
cleanupIDs.js	7145	0644	edit dl rm
cleanupListOfValues.js	3996	0644	edit dl rm
cleanupNumericValues.js	2956	0644	edit dl rm
collapseGroups.js	3926	0644	edit dl rm
convertColors.js	4222	0644	edit dl rm
convertEllipseToCircle.js	938	0644	edit dl rm
convertPathData.js	28389	0644	edit dl rm
convertShapeToPath.js	5983	0644	edit dl rm
convertStyleToAttrs.js	3828	0644	edit dl rm
convertTransform.js	11696	0644	edit dl rm
inlineStyles.js	12182	0644	edit dl rm
mergePaths.js	2994	0644	edit dl rm
mergeStyles.js	2380	0644	edit dl rm
minifyStyles.js	4389	0644	edit dl rm
moveElemsAttrsToGroup.js	3741	0644	edit dl rm
moveGroupAttrsToElems.js	1712	0644	edit dl rm
plugins.js	3224	0644	edit dl rm
prefixIds.js	6585	0644	edit dl rm
preset-default.js	2990	0644	edit dl rm
removeAttributesBySelector.js	2443	0644	edit dl rm
removeAttrs.js	4191	0644	edit dl rm
removeComments.js	634	0644	edit dl rm
removeDesc.js	1075	0644	edit dl rm
removeDimensions.js	1227	0644	edit dl rm
removeDoctype.js	1133	0644	edit dl rm
removeEditorsNSData.js	2022	0644	edit dl rm
removeElementsByAttr.js	2139	0644	edit dl rm
removeEmptyAttrs.js	777	0644	edit dl rm
removeEmptyContainers.js	1491	0644	edit dl rm
removeEmptyText.js	1389	0644	edit dl rm
removeHiddenElems.js	9289	0644	edit dl rm
removeMetadata.js	566	0644	edit dl rm
removeNonInheritableGroupAttrs.js	925	0644	edit dl rm
removeOffCanvasPaths.js	3967	0644	edit dl rm
removeRasterImages.js	775	0644	edit dl rm
removeScriptElement.js	601	0644	edit dl rm
removeStyleElement.js	604	0644	edit dl rm
removeTitle.js	579	0644	edit dl rm
removeUnknownsAndDefaults.js	6346	0644	edit dl rm
removeUnusedNS.js	1848	0644	edit dl rm
removeUselessDefs.js	1724	0644	edit dl rm
removeUselessStrokeAndFill.js	4359	0644	edit dl rm
removeViewBox.js	1402	0644	edit dl rm
removeXMLNS.js	666	0644	edit dl rm
removeXMLProcInst.js	610	0644	edit dl rm
reusePaths.js	3379	0644	edit dl rm
sortAttrs.js	2722	0644	edit dl rm
sortDefsChildren.js	1833	0644	edit dl rm
_applyTransforms.js	9824	0644	edit dl rm
_collections.js	44476	0644	edit dl rm
_path.js	21358	0644	edit dl rm
_transforms.js	10769	0644	edit dl rm

Edit: /var/www/flurhymez/node_modules/svgo/plugins/convertTransform.js (11696B)

'use strict';

/**
 * @typedef {import('../lib/types').XastElement} XastElement
 */

const { cleanupOutData } = require('../lib/svgo/tools.js');
const {
  transform2js,
  transformsMultiply,
  matrixToTransform,
} = require('./_transforms.js');

exports.type = 'visitor';
exports.name = 'convertTransform';
exports.active = true;
exports.description = 'collapses multiple transformations and optimizes it';

/**
 * Convert matrices to the short aliases,
 * convert long translate, scale or rotate transform notations to the shorts ones,
 * convert transforms to the matrices and multiply them all into one,
 * remove useless transforms.
 *
 * @see https://www.w3.org/TR/SVG11/coords.html#TransformMatrixDefined
 *
 * @author Kir Belevich
 *
 * @type {import('../lib/types').Plugin<{
 *   convertToShorts?: boolean,
 *   degPrecision?: number,
 *   floatPrecision?: number,
 *   transformPrecision?: number,
 *   matrixToTransform?: boolean,
 *   shortTranslate?: boolean,
 *   shortScale?: boolean,
 *   shortRotate?: boolean,
 *   removeUseless?: boolean,
 *   collapseIntoOne?: boolean,
 *   leadingZero?: boolean,
 *   negativeExtraSpace?: boolean,
 * }>}
 */
exports.fn = (_root, params) => {
  const {
    convertToShorts = true,
    // degPrecision = 3, // transformPrecision (or matrix precision) - 2 by default
    degPrecision,
    floatPrecision = 3,
    transformPrecision = 5,
    matrixToTransform = true,
    shortTranslate = true,
    shortScale = true,
    shortRotate = true,
    removeUseless = true,
    collapseIntoOne = true,
    leadingZero = true,
    negativeExtraSpace = false,
  } = params;
  const newParams = {
    convertToShorts,
    degPrecision,
    floatPrecision,
    transformPrecision,
    matrixToTransform,
    shortTranslate,
    shortScale,
    shortRotate,
    removeUseless,
    collapseIntoOne,
    leadingZero,
    negativeExtraSpace,
  };
  return {
    element: {
      enter: (node) => {
        // transform
        if (node.attributes.transform != null) {
          convertTransform(node, 'transform', newParams);
        }
        // gradientTransform
        if (node.attributes.gradientTransform != null) {
          convertTransform(node, 'gradientTransform', newParams);
        }
        // patternTransform
        if (node.attributes.patternTransform != null) {
          convertTransform(node, 'patternTransform', newParams);
        }
      },
    },
  };
};

/**
 * @typedef {{
 *   convertToShorts: boolean,
 *   degPrecision?: number,
 *   floatPrecision: number,
 *   transformPrecision: number,
 *   matrixToTransform: boolean,
 *   shortTranslate: boolean,
 *   shortScale: boolean,
 *   shortRotate: boolean,
 *   removeUseless: boolean,
 *   collapseIntoOne: boolean,
 *   leadingZero: boolean,
 *   negativeExtraSpace: boolean,
 * }} TransformParams
 */

/**
 * @typedef {{ name: string, data: Array<number> }} TransformItem
 */

/**
 * Main function.
 *
 * @type {(item: XastElement, attrName: string, params: TransformParams) => void}
 */
const convertTransform = (item, attrName, params) => {
  let data = transform2js(item.attributes[attrName]);
  params = definePrecision(data, params);

if (params.collapseIntoOne && data.length > 1) {
    data = [transformsMultiply(data)];
  }

if (params.convertToShorts) {
    data = convertToShorts(data, params);
  } else {
    data.forEach((item) => roundTransform(item, params));
  }

if (params.removeUseless) {
    data = removeUseless(data);
  }

if (data.length) {
    item.attributes[attrName] = js2transform(data, params);
  } else {
    delete item.attributes[attrName];
  }
};

/**
 * Defines precision to work with certain parts.
 * transformPrecision - for scale and four first matrix parameters (needs a better precision due to multiplying),
 * floatPrecision - for translate including two last matrix and rotate parameters,
 * degPrecision - for rotate and skew. By default it's equal to (rougly)
 * transformPrecision - 2 or floatPrecision whichever is lower. Can be set in params.
 *
 * @type {(data: Array<TransformItem>, params: TransformParams) => TransformParams}
 *
 * clone params so it don't affect other elements transformations.
 */
const definePrecision = (data, { ...newParams }) => {
  const matrixData = [];
  for (const item of data) {
    if (item.name == 'matrix') {
      matrixData.push(...item.data.slice(0, 4));
    }
  }
  let significantDigits = newParams.transformPrecision;
  // Limit transform precision with matrix one. Calculating with larger precision doesn't add any value.
  if (matrixData.length) {
    newParams.transformPrecision = Math.min(
      newParams.transformPrecision,
      Math.max.apply(Math, matrixData.map(floatDigits)) ||
        newParams.transformPrecision
    );
    significantDigits = Math.max.apply(
      Math,
      matrixData.map(
        (n) => n.toString().replace(/\D+/g, '').length // Number of digits in a number. 123.45 → 5
      )
    );
  }
  // No sense in angle precision more then number of significant digits in matrix.
  if (newParams.degPrecision == null) {
    newParams.degPrecision = Math.max(
      0,
      Math.min(newParams.floatPrecision, significantDigits - 2)
    );
  }
  return newParams;
};

/**
 * @type {(data: Array<number>, params: TransformParams) => Array<number>}
 */
const degRound = (data, params) => {
  if (
    params.degPrecision != null &&
    params.degPrecision >= 1 &&
    params.floatPrecision < 20
  ) {
    return smartRound(params.degPrecision, data);
  } else {
    return round(data);
  }
};
/**
 * @type {(data: Array<number>, params: TransformParams) => Array<number>}
 */
const floatRound = (data, params) => {
  if (params.floatPrecision >= 1 && params.floatPrecision < 20) {
    return smartRound(params.floatPrecision, data);
  } else {
    return round(data);
  }
};

/**
 * @type {(data: Array<number>, params: TransformParams) => Array<number>}
 */
const transformRound = (data, params) => {
  if (params.transformPrecision >= 1 && params.floatPrecision < 20) {
    return smartRound(params.transformPrecision, data);
  } else {
    return round(data);
  }
};

/**
 * Returns number of digits after the point. 0.125 → 3
 *
 * @type {(n: number) => number}
 */
const floatDigits = (n) => {
  const str = n.toString();
  return str.slice(str.indexOf('.')).length - 1;
};

/**
 * Convert transforms to the shorthand alternatives.
 *
 * @type {(transforms: Array<TransformItem>, params: TransformParams) => Array<TransformItem>}
 */
const convertToShorts = (transforms, params) => {
  for (var i = 0; i < transforms.length; i++) {
    var transform = transforms[i];

// convert matrix to the short aliases
    if (params.matrixToTransform && transform.name === 'matrix') {
      var decomposed = matrixToTransform(transform, params);
      if (
        js2transform(decomposed, params).length <=
        js2transform([transform], params).length
      ) {
        transforms.splice(i, 1, ...decomposed);
      }
      transform = transforms[i];
    }

// fixed-point numbers
    // 12.754997 → 12.755
    roundTransform(transform, params);

// convert long translate transform notation to the shorts one
    // translate(10 0) → translate(10)
    if (
      params.shortTranslate &&
      transform.name === 'translate' &&
      transform.data.length === 2 &&
      !transform.data[1]
    ) {
      transform.data.pop();
    }

// convert long scale transform notation to the shorts one
    // scale(2 2) → scale(2)
    if (
      params.shortScale &&
      transform.name === 'scale' &&
      transform.data.length === 2 &&
      transform.data[0] === transform.data[1]
    ) {
      transform.data.pop();
    }

// convert long rotate transform notation to the short one
    // translate(cx cy) rotate(a) translate(-cx -cy) → rotate(a cx cy)
    if (
      params.shortRotate &&
      transforms[i - 2] &&
      transforms[i - 2].name === 'translate' &&
      transforms[i - 1].name === 'rotate' &&
      transforms[i].name === 'translate' &&
      transforms[i - 2].data[0] === -transforms[i].data[0] &&
      transforms[i - 2].data[1] === -transforms[i].data[1]
    ) {
      transforms.splice(i - 2, 3, {
        name: 'rotate',
        data: [
          transforms[i - 1].data[0],
          transforms[i - 2].data[0],
          transforms[i - 2].data[1],
        ],
      });

// splice compensation
      i -= 2;
    }
  }

return transforms;
};

/**
 * Remove useless transforms.
 *
 * @type {(trasforms: Array<TransformItem>) => Array<TransformItem>}
 */
const removeUseless = (transforms) => {
  return transforms.filter((transform) => {
    // translate(0), rotate(0[, cx, cy]), skewX(0), skewY(0)
    if (
      (['translate', 'rotate', 'skewX', 'skewY'].indexOf(transform.name) > -1 &&
        (transform.data.length == 1 || transform.name == 'rotate') &&
        !transform.data[0]) ||
      // translate(0, 0)
      (transform.name == 'translate' &&
        !transform.data[0] &&
        !transform.data[1]) ||
      // scale(1)
      (transform.name == 'scale' &&
        transform.data[0] == 1 &&
        (transform.data.length < 2 || transform.data[1] == 1)) ||
      // matrix(1 0 0 1 0 0)
      (transform.name == 'matrix' &&
        transform.data[0] == 1 &&
        transform.data[3] == 1 &&
        !(
          transform.data[1] ||
          transform.data[2] ||
          transform.data[4] ||
          transform.data[5]
        ))
    ) {
      return false;
    }

return true;
  });
};

/**
 * Convert transforms JS representation to string.
 *
 * @type {(transformJS: Array<TransformItem>, params: TransformParams) => string}
 */
const js2transform = (transformJS, params) => {
  var transformString = '';

// collect output value string
  transformJS.forEach((transform) => {
    roundTransform(transform, params);
    transformString +=
      (transformString && ' ') +
      transform.name +
      '(' +
      cleanupOutData(transform.data, params) +
      ')';
  });

return transformString;
};

/**
 * @type {(transform: TransformItem, params: TransformParams) => TransformItem}
 */
const roundTransform = (transform, params) => {
  switch (transform.name) {
    case 'translate':
      transform.data = floatRound(transform.data, params);
      break;
    case 'rotate':
      transform.data = [
        ...degRound(transform.data.slice(0, 1), params),
        ...floatRound(transform.data.slice(1), params),
      ];
      break;
    case 'skewX':
    case 'skewY':
      transform.data = degRound(transform.data, params);
      break;
    case 'scale':
      transform.data = transformRound(transform.data, params);
      break;
    case 'matrix':
      transform.data = [
        ...transformRound(transform.data.slice(0, 4), params),
        ...floatRound(transform.data.slice(4), params),
      ];
      break;
  }
  return transform;
};

/**
 * Rounds numbers in array.
 *
 * @type {(data: Array<number>) => Array<number>}
 */
const round = (data) => {
  return data.map(Math.round);
};

/**
 * Decrease accuracy of floating-point numbers
 * in transforms keeping a specified number of decimals.
 * Smart rounds values like 2.349 to 2.35.
 *
 * @type {(precision: number, data: Array<number>) => Array<number>}
 */
const smartRound = (precision, data) => {
  for (
    var i = data.length,
      tolerance = +Math.pow(0.1, precision).toFixed(precision);
    i--;

) {
    if (Number(data[i].toFixed(precision)) !== data[i]) {
      var rounded = +data[i].toFixed(precision - 1);
      data[i] =
        +Math.abs(rounded - data[i]).toFixed(precision + 1) >= tolerance
          ? +data[i].toFixed(precision)
          : rounded;
    }
  }
  return data;
};

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