recharts
Version:
React charts
257 lines (255 loc) • 9.4 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getWordsByLines = exports.Text = void 0;
var _react = _interopRequireWildcard(require("react"));
var React = _react;
var _clsx = require("clsx");
var _DataUtils = require("../util/DataUtils");
var _Global = require("../util/Global");
var _ReactUtils = require("../util/ReactUtils");
var _DOMUtils = require("../util/DOMUtils");
var _ReduceCSSCalc = require("../util/ReduceCSSCalc");
var _excluded = ["x", "y", "lineHeight", "capHeight", "scaleToFit", "textAnchor", "verticalAnchor", "fill"],
_excluded2 = ["dx", "dy", "angle", "className", "breakAll"];
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; }
function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; }
var BREAKING_SPACES = /[ \f\n\r\t\v\u2028\u2029]+/;
var calculateWordWidths = _ref => {
var {
children,
breakAll,
style
} = _ref;
try {
var words = [];
if (!(0, _DataUtils.isNullish)(children)) {
if (breakAll) {
words = children.toString().split('');
} else {
words = children.toString().split(BREAKING_SPACES);
}
}
var wordsWithComputedWidth = words.map(word => ({
word,
width: (0, _DOMUtils.getStringSize)(word, style).width
}));
var spaceWidth = breakAll ? 0 : (0, _DOMUtils.getStringSize)('\u00A0', style).width;
return {
wordsWithComputedWidth,
spaceWidth
};
} catch (_unused) {
return null;
}
};
var calculateWordsByLines = (_ref2, initialWordsWithComputedWith, spaceWidth, lineWidth, scaleToFit) => {
var {
maxLines,
children,
style,
breakAll
} = _ref2;
var shouldLimitLines = (0, _DataUtils.isNumber)(maxLines);
var text = children;
var calculate = function calculate() {
var words = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
return words.reduce((result, _ref3) => {
var {
word,
width
} = _ref3;
var currentLine = result[result.length - 1];
if (currentLine && (lineWidth == null || scaleToFit || currentLine.width + width + spaceWidth < Number(lineWidth))) {
// Word can be added to an existing line
currentLine.words.push(word);
currentLine.width += width + spaceWidth;
} else {
// Add first word to line or word is too long to scaleToFit on existing line
var newLine = {
words: [word],
width
};
result.push(newLine);
}
return result;
}, []);
};
var originalResult = calculate(initialWordsWithComputedWith);
var findLongestLine = words => words.reduce((a, b) => a.width > b.width ? a : b);
if (!shouldLimitLines || scaleToFit) {
return originalResult;
}
var overflows = originalResult.length > maxLines || findLongestLine(originalResult).width > Number(lineWidth);
if (!overflows) {
return originalResult;
}
var suffix = '…';
var checkOverflow = index => {
var tempText = text.slice(0, index);
var words = calculateWordWidths({
breakAll,
style,
children: tempText + suffix
}).wordsWithComputedWidth;
var result = calculate(words);
var doesOverflow = result.length > maxLines || findLongestLine(result).width > Number(lineWidth);
return [doesOverflow, result];
};
var start = 0;
var end = text.length - 1;
var iterations = 0;
var trimmedResult;
while (start <= end && iterations <= text.length - 1) {
var middle = Math.floor((start + end) / 2);
var prev = middle - 1;
var [doesPrevOverflow, result] = checkOverflow(prev);
var [doesMiddleOverflow] = checkOverflow(middle);
if (!doesPrevOverflow && !doesMiddleOverflow) {
start = middle + 1;
}
if (doesPrevOverflow && doesMiddleOverflow) {
end = middle - 1;
}
if (!doesPrevOverflow && doesMiddleOverflow) {
trimmedResult = result;
break;
}
iterations++;
}
// Fallback to originalResult (result without trimming) if we cannot find the
// where to trim. This should not happen :tm:
return trimmedResult || originalResult;
};
var getWordsWithoutCalculate = children => {
var words = !(0, _DataUtils.isNullish)(children) ? children.toString().split(BREAKING_SPACES) : [];
return [{
words
}];
};
var getWordsByLines = _ref4 => {
var {
width,
scaleToFit,
children,
style,
breakAll,
maxLines
} = _ref4;
// Only perform calculations if using features that require them (multiline, scaleToFit)
if ((width || scaleToFit) && !_Global.Global.isSsr) {
var wordsWithComputedWidth, spaceWidth;
var wordWidths = calculateWordWidths({
breakAll,
children,
style
});
if (wordWidths) {
var {
wordsWithComputedWidth: wcw,
spaceWidth: sw
} = wordWidths;
wordsWithComputedWidth = wcw;
spaceWidth = sw;
} else {
return getWordsWithoutCalculate(children);
}
return calculateWordsByLines({
breakAll,
children,
maxLines,
style
}, wordsWithComputedWidth, spaceWidth, width, scaleToFit);
}
return getWordsWithoutCalculate(children);
};
exports.getWordsByLines = getWordsByLines;
var DEFAULT_FILL = '#808080';
var Text = exports.Text = /*#__PURE__*/(0, _react.forwardRef)((_ref5, ref) => {
var {
x: propsX = 0,
y: propsY = 0,
lineHeight = '1em',
// Magic number from d3
capHeight = '0.71em',
scaleToFit = false,
textAnchor = 'start',
// Maintain compat with existing charts / default SVG behavior
verticalAnchor = 'end',
fill = DEFAULT_FILL
} = _ref5,
props = _objectWithoutProperties(_ref5, _excluded);
var wordsByLines = (0, _react.useMemo)(() => {
return getWordsByLines({
breakAll: props.breakAll,
children: props.children,
maxLines: props.maxLines,
scaleToFit,
style: props.style,
width: props.width
});
}, [props.breakAll, props.children, props.maxLines, scaleToFit, props.style, props.width]);
var {
dx,
dy,
angle,
className,
breakAll
} = props,
textProps = _objectWithoutProperties(props, _excluded2);
if (!(0, _DataUtils.isNumOrStr)(propsX) || !(0, _DataUtils.isNumOrStr)(propsY)) {
return null;
}
var x = propsX + ((0, _DataUtils.isNumber)(dx) ? dx : 0);
var y = propsY + ((0, _DataUtils.isNumber)(dy) ? dy : 0);
var startDy;
switch (verticalAnchor) {
case 'start':
startDy = (0, _ReduceCSSCalc.reduceCSSCalc)("calc(".concat(capHeight, ")"));
break;
case 'middle':
startDy = (0, _ReduceCSSCalc.reduceCSSCalc)("calc(".concat((wordsByLines.length - 1) / 2, " * -").concat(lineHeight, " + (").concat(capHeight, " / 2))"));
break;
default:
startDy = (0, _ReduceCSSCalc.reduceCSSCalc)("calc(".concat(wordsByLines.length - 1, " * -").concat(lineHeight, ")"));
break;
}
var transforms = [];
if (scaleToFit) {
var lineWidth = wordsByLines[0].width;
var {
width
} = props;
transforms.push("scale(".concat((0, _DataUtils.isNumber)(width) ? width / lineWidth : 1, ")"));
}
if (angle) {
transforms.push("rotate(".concat(angle, ", ").concat(x, ", ").concat(y, ")"));
}
if (transforms.length) {
textProps.transform = transforms.join(' ');
}
return /*#__PURE__*/React.createElement("text", _extends({}, (0, _ReactUtils.filterProps)(textProps, true), {
ref: ref,
x: x,
y: y,
className: (0, _clsx.clsx)('recharts-text', className),
textAnchor: textAnchor,
fill: fill.includes('url') ? DEFAULT_FILL : fill
}), wordsByLines.map((line, index) => {
var words = line.words.join(breakAll ? '' : ' ');
return (
/*#__PURE__*/
// duplicate words will cause duplicate keys
// eslint-disable-next-line react/no-array-index-key
React.createElement("tspan", {
x: x,
dy: index === 0 ? startDy : lineHeight,
key: "".concat(words, "-").concat(index)
}, words)
);
}));
});
Text.displayName = 'Text';