fabric/dist/src/util/path/regex.mjs

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

import { reNum } from '../../parser/constants.mjs';

const commaWsp = "\\s*,?\\s*";

/**
 * p for param
 * using "bad naming" here because it makes the regex much easier to read
 * p is a number that is preceded by an arbitary number of spaces, maybe 0,
 * a comma or not, and then possibly more spaces or not.
 */
const p = "".concat(commaWsp, "(").concat(reNum, ")");

// const reMoveToCommand = `(M) ?(?:${p}${p} ?)+`;

// const reLineCommand = `(L) ?(?:${p}${p} ?)+`;

// const reHorizontalLineCommand = `(H) ?(?:${p} ?)+`;

// const reVerticalLineCommand = `(V) ?(?:${p} ?)+`;

// const reClosePathCommand = String.raw`(Z)\s*`;

// const reCubicCurveCommand = `(C) ?(?:${p}${p}${p}${p}${p}${p} ?)+`;

// const reCubicCurveShortcutCommand = `(S) ?(?:${p}${p}${p}${p} ?)+`;

// const reQuadraticCurveCommand = `(Q) ?(?:${p}${p}${p}${p} ?)+`;

// const reQuadraticCurveShortcutCommand = `(T) ?(?:${p}${p} ?)+`;

const reArcCommandPoints = "".concat(p).concat(p).concat(p).concat(commaWsp, "([01])").concat(commaWsp, "([01])").concat(p).concat(p);
// const reArcCommand = `(A) ?(?:${reArcCommandPoints} ?)+`;

// export const rePathCommandGroups =
//   `(?:(?:${reMoveToCommand})` +
//   `|(?:${reLineCommand})` +
//   `|(?:${reHorizontalLineCommand})` +
//   `|(?:${reVerticalLineCommand})` +
//   `|(?:${reClosePathCommand})` +
//   `|(?:${reCubicCurveCommand})` +
//   `|(?:${reCubicCurveShortcutCommand})` +
//   `|(?:${reQuadraticCurveCommand})` +
//   `|(?:${reQuadraticCurveShortcutCommand})` +
//   `|(?:${reArcCommand}))`;

const rePathCommand = '[mzlhvcsqta][^mzlhvcsqta]*';

export { reArcCommandPoints, rePathCommand };
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