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644 lines
21 KiB
644 lines
21 KiB
var InvalidPropertyError = require('./invalid-property-error');
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var wrapSingle = require('../wrap-for-optimizing').single;
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var Token = require('../../tokenizer/token');
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var Marker = require('../../tokenizer/marker');
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var formatPosition = require('../../utils/format-position');
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function _anyIsInherit(values) {
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var i, l;
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for (i = 0, l = values.length; i < l; i++) {
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if (values[i][1] == 'inherit') {
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return true;
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}
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}
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return false;
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}
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function _colorFilter(validator) {
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return function (value) {
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return value[1] == 'invert' || validator.isColor(value[1]) || validator.isPrefixed(value[1]);
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};
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}
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function _styleFilter(validator) {
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return function (value) {
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return value[1] != 'inherit' && validator.isStyleKeyword(value[1]) && !validator.isColorFunction(value[1]);
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};
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}
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function _wrapDefault(name, property, compactable) {
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var descriptor = compactable[name];
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if (descriptor.doubleValues && descriptor.defaultValue.length == 2) {
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return wrapSingle([
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Token.PROPERTY,
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[Token.PROPERTY_NAME, name],
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[Token.PROPERTY_VALUE, descriptor.defaultValue[0]],
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[Token.PROPERTY_VALUE, descriptor.defaultValue[1]]
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]);
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} else if (descriptor.doubleValues && descriptor.defaultValue.length == 1) {
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return wrapSingle([
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Token.PROPERTY,
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[Token.PROPERTY_NAME, name],
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[Token.PROPERTY_VALUE, descriptor.defaultValue[0]]
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]);
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} else {
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return wrapSingle([
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Token.PROPERTY,
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[Token.PROPERTY_NAME, name],
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[Token.PROPERTY_VALUE, descriptor.defaultValue]
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]);
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}
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}
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function _widthFilter(validator) {
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return function (value) {
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return value[1] != 'inherit' &&
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(validator.isWidth(value[1]) || validator.isUnit(value[1]) && !validator.isDynamicUnit(value[1])) &&
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!validator.isStyleKeyword(value[1]) &&
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!validator.isColorFunction(value[1]);
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};
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}
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function animation(property, compactable, validator) {
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var duration = _wrapDefault(property.name + '-duration', property, compactable);
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var timing = _wrapDefault(property.name + '-timing-function', property, compactable);
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var delay = _wrapDefault(property.name + '-delay', property, compactable);
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var iteration = _wrapDefault(property.name + '-iteration-count', property, compactable);
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var direction = _wrapDefault(property.name + '-direction', property, compactable);
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var fill = _wrapDefault(property.name + '-fill-mode', property, compactable);
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var play = _wrapDefault(property.name + '-play-state', property, compactable);
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var name = _wrapDefault(property.name + '-name', property, compactable);
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var components = [duration, timing, delay, iteration, direction, fill, play, name];
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var values = property.value;
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var value;
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var durationSet = false;
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var timingSet = false;
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var delaySet = false;
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var iterationSet = false;
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var directionSet = false;
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var fillSet = false;
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var playSet = false;
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var nameSet = false;
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var i;
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var l;
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if (property.value.length == 1 && property.value[0][1] == 'inherit') {
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duration.value = timing.value = delay.value = iteration.value = direction.value = fill.value = play.value = name.value = property.value;
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return components;
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}
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if (values.length > 1 && _anyIsInherit(values)) {
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throw new InvalidPropertyError('Invalid animation values at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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}
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for (i = 0, l = values.length; i < l; i++) {
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value = values[i];
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if (validator.isTime(value[1]) && !durationSet) {
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duration.value = [value];
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durationSet = true;
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} else if (validator.isTime(value[1]) && !delaySet) {
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delay.value = [value];
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delaySet = true;
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} else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) {
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timing.value = [value];
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timingSet = true;
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} else if ((validator.isAnimationIterationCountKeyword(value[1]) || validator.isPositiveNumber(value[1])) && !iterationSet) {
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iteration.value = [value];
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iterationSet = true;
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} else if (validator.isAnimationDirectionKeyword(value[1]) && !directionSet) {
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direction.value = [value];
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directionSet = true;
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} else if (validator.isAnimationFillModeKeyword(value[1]) && !fillSet) {
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fill.value = [value];
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fillSet = true;
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} else if (validator.isAnimationPlayStateKeyword(value[1]) && !playSet) {
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play.value = [value];
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playSet = true;
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} else if ((validator.isAnimationNameKeyword(value[1]) || validator.isIdentifier(value[1])) && !nameSet) {
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name.value = [value];
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nameSet = true;
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} else {
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throw new InvalidPropertyError('Invalid animation value at ' + formatPosition(value[2][0]) + '. Ignoring.');
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}
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}
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return components;
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}
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function background(property, compactable, validator) {
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var image = _wrapDefault('background-image', property, compactable);
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var position = _wrapDefault('background-position', property, compactable);
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var size = _wrapDefault('background-size', property, compactable);
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var repeat = _wrapDefault('background-repeat', property, compactable);
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var attachment = _wrapDefault('background-attachment', property, compactable);
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var origin = _wrapDefault('background-origin', property, compactable);
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var clip = _wrapDefault('background-clip', property, compactable);
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var color = _wrapDefault('background-color', property, compactable);
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var components = [image, position, size, repeat, attachment, origin, clip, color];
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var values = property.value;
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var positionSet = false;
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var clipSet = false;
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var originSet = false;
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var repeatSet = false;
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var anyValueSet = false;
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if (property.value.length == 1 && property.value[0][1] == 'inherit') {
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// NOTE: 'inherit' is not a valid value for background-attachment
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color.value = image.value = repeat.value = position.value = size.value = origin.value = clip.value = property.value;
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return components;
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}
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if (property.value.length == 1 && property.value[0][1] == '0 0') {
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return components;
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}
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for (var i = values.length - 1; i >= 0; i--) {
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var value = values[i];
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if (validator.isBackgroundAttachmentKeyword(value[1])) {
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attachment.value = [value];
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anyValueSet = true;
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} else if (validator.isBackgroundClipKeyword(value[1]) || validator.isBackgroundOriginKeyword(value[1])) {
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if (clipSet) {
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origin.value = [value];
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originSet = true;
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} else {
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clip.value = [value];
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clipSet = true;
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}
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anyValueSet = true;
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} else if (validator.isBackgroundRepeatKeyword(value[1])) {
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if (repeatSet) {
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repeat.value.unshift(value);
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} else {
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repeat.value = [value];
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repeatSet = true;
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}
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anyValueSet = true;
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} else if (validator.isBackgroundPositionKeyword(value[1]) || validator.isBackgroundSizeKeyword(value[1]) || validator.isUnit(value[1]) || validator.isDynamicUnit(value[1])) {
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if (i > 0) {
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var previousValue = values[i - 1];
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if (previousValue[1] == Marker.FORWARD_SLASH) {
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size.value = [value];
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} else if (i > 1 && values[i - 2][1] == Marker.FORWARD_SLASH) {
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size.value = [previousValue, value];
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i -= 2;
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} else {
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if (!positionSet)
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position.value = [];
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position.value.unshift(value);
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positionSet = true;
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}
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} else {
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if (!positionSet)
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position.value = [];
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position.value.unshift(value);
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positionSet = true;
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}
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anyValueSet = true;
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} else if ((color.value[0][1] == compactable[color.name].defaultValue || color.value[0][1] == 'none') && (validator.isColor(value[1]) || validator.isPrefixed(value[1]))) {
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color.value = [value];
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anyValueSet = true;
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} else if (validator.isUrl(value[1]) || validator.isFunction(value[1])) {
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image.value = [value];
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anyValueSet = true;
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}
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}
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if (clipSet && !originSet)
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origin.value = clip.value.slice(0);
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if (!anyValueSet) {
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throw new InvalidPropertyError('Invalid background value at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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}
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return components;
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}
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function borderRadius(property, compactable) {
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var values = property.value;
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var splitAt = -1;
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for (var i = 0, l = values.length; i < l; i++) {
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if (values[i][1] == Marker.FORWARD_SLASH) {
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splitAt = i;
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break;
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}
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}
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if (splitAt === 0 || splitAt === values.length - 1) {
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throw new InvalidPropertyError('Invalid border-radius value at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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}
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var target = _wrapDefault(property.name, property, compactable);
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target.value = splitAt > -1 ?
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values.slice(0, splitAt) :
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values.slice(0);
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target.components = fourValues(target, compactable);
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var remainder = _wrapDefault(property.name, property, compactable);
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remainder.value = splitAt > -1 ?
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values.slice(splitAt + 1) :
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values.slice(0);
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remainder.components = fourValues(remainder, compactable);
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for (var j = 0; j < 4; j++) {
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target.components[j].multiplex = true;
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target.components[j].value = target.components[j].value.concat(remainder.components[j].value);
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}
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return target.components;
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}
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function font(property, compactable, validator) {
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var style = _wrapDefault('font-style', property, compactable);
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var variant = _wrapDefault('font-variant', property, compactable);
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var weight = _wrapDefault('font-weight', property, compactable);
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var stretch = _wrapDefault('font-stretch', property, compactable);
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var size = _wrapDefault('font-size', property, compactable);
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var height = _wrapDefault('line-height', property, compactable);
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var family = _wrapDefault('font-family', property, compactable);
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var components = [style, variant, weight, stretch, size, height, family];
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var values = property.value;
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var fuzzyMatched = 4; // style, variant, weight, and stretch
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var index = 0;
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var isStretchSet = false;
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var isStretchValid;
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var isStyleSet = false;
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var isStyleValid;
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var isVariantSet = false;
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var isVariantValid;
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var isWeightSet = false;
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var isWeightValid;
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var isSizeSet = false;
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var appendableFamilyName = false;
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if (!values[index]) {
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throw new InvalidPropertyError('Missing font values at ' + formatPosition(property.all[property.position][1][2][0]) + '. Ignoring.');
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}
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if (values.length == 1 && values[0][1] == 'inherit') {
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style.value = variant.value = weight.value = stretch.value = size.value = height.value = family.value = values;
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return components;
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}
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if (values.length == 1 && (validator.isFontKeyword(values[0][1]) || validator.isGlobal(values[0][1]) || validator.isPrefixed(values[0][1]))) {
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values[0][1] = Marker.INTERNAL + values[0][1];
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style.value = variant.value = weight.value = stretch.value = size.value = height.value = family.value = values;
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return components;
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}
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if (values.length < 2 || !_anyIsFontSize(values, validator) || !_anyIsFontFamily(values, validator)) {
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throw new InvalidPropertyError('Invalid font values at ' + formatPosition(property.all[property.position][1][2][0]) + '. Ignoring.');
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}
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if (values.length > 1 && _anyIsInherit(values)) {
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throw new InvalidPropertyError('Invalid font values at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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}
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// fuzzy match style, variant, weight, and stretch on first elements
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while (index < fuzzyMatched) {
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isStretchValid = validator.isFontStretchKeyword(values[index][1]) || validator.isGlobal(values[index][1]);
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isStyleValid = validator.isFontStyleKeyword(values[index][1]) || validator.isGlobal(values[index][1]);
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isVariantValid = validator.isFontVariantKeyword(values[index][1]) || validator.isGlobal(values[index][1]);
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isWeightValid = validator.isFontWeightKeyword(values[index][1]) || validator.isGlobal(values[index][1]);
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if (isStyleValid && !isStyleSet) {
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style.value = [values[index]];
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isStyleSet = true;
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} else if (isVariantValid && !isVariantSet) {
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variant.value = [values[index]];
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isVariantSet = true;
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} else if (isWeightValid && !isWeightSet) {
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weight.value = [values[index]];
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isWeightSet = true;
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} else if (isStretchValid && !isStretchSet) {
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stretch.value = [values[index]];
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isStretchSet = true;
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} else if (isStyleValid && isStyleSet || isVariantValid && isVariantSet || isWeightValid && isWeightSet || isStretchValid && isStretchSet) {
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throw new InvalidPropertyError('Invalid font style / variant / weight / stretch value at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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} else {
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break;
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}
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index++;
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}
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// now comes font-size ...
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if (validator.isFontSizeKeyword(values[index][1]) || validator.isUnit(values[index][1]) && !validator.isDynamicUnit(values[index][1])) {
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size.value = [values[index]];
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isSizeSet = true;
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index++;
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} else {
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throw new InvalidPropertyError('Missing font size at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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}
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if (!values[index]) {
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throw new InvalidPropertyError('Missing font family at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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}
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// ... and perhaps line-height
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if (isSizeSet && values[index] && values[index][1] == Marker.FORWARD_SLASH && values[index + 1] && (validator.isLineHeightKeyword(values[index + 1][1]) || validator.isUnit(values[index + 1][1]) || validator.isNumber(values[index + 1][1]))) {
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height.value = [values[index + 1]];
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index++;
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index++;
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}
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// ... and whatever comes next is font-family
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family.value = [];
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while (values[index]) {
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if (values[index][1] == Marker.COMMA) {
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appendableFamilyName = false;
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} else {
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if (appendableFamilyName) {
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family.value[family.value.length - 1][1] += Marker.SPACE + values[index][1];
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} else {
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family.value.push(values[index]);
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}
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appendableFamilyName = true;
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}
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index++;
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}
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if (family.value.length === 0) {
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throw new InvalidPropertyError('Missing font family at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
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}
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return components;
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}
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function _anyIsFontSize(values, validator) {
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var value;
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var i, l;
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for (i = 0, l = values.length; i < l; i++) {
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value = values[i];
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if (validator.isFontSizeKeyword(value[1]) || validator.isUnit(value[1]) && !validator.isDynamicUnit(value[1]) || validator.isFunction(value[1])) {
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return true;
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}
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}
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return false;
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}
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function _anyIsFontFamily(values, validator) {
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var value;
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var i, l;
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for (i = 0, l = values.length; i < l; i++) {
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value = values[i];
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if (validator.isIdentifier(value[1])) {
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return true;
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}
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}
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return false;
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}
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function fourValues(property, compactable) {
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var componentNames = compactable[property.name].components;
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var components = [];
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var value = property.value;
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if (value.length < 1)
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return [];
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if (value.length < 2)
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value[1] = value[0].slice(0);
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if (value.length < 3)
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value[2] = value[0].slice(0);
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if (value.length < 4)
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value[3] = value[1].slice(0);
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for (var i = componentNames.length - 1; i >= 0; i--) {
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var component = wrapSingle([
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Token.PROPERTY,
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[Token.PROPERTY_NAME, componentNames[i]]
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]);
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component.value = [value[i]];
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components.unshift(component);
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}
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return components;
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}
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function multiplex(splitWith) {
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return function (property, compactable, validator) {
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var splitsAt = [];
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var values = property.value;
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var i, j, l, m;
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// find split commas
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for (i = 0, l = values.length; i < l; i++) {
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if (values[i][1] == ',')
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splitsAt.push(i);
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}
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if (splitsAt.length === 0)
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return splitWith(property, compactable, validator);
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var splitComponents = [];
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// split over commas, and into components
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for (i = 0, l = splitsAt.length; i <= l; i++) {
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var from = i === 0 ? 0 : splitsAt[i - 1] + 1;
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var to = i < l ? splitsAt[i] : values.length;
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var _property = _wrapDefault(property.name, property, compactable);
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_property.value = values.slice(from, to);
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splitComponents.push(splitWith(_property, compactable, validator));
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}
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var components = splitComponents[0];
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// group component values from each split
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for (i = 0, l = components.length; i < l; i++) {
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components[i].multiplex = true;
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for (j = 1, m = splitComponents.length; j < m; j++) {
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components[i].value.push([Token.PROPERTY_VALUE, Marker.COMMA]);
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Array.prototype.push.apply(components[i].value, splitComponents[j][i].value);
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}
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}
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return components;
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};
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}
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function listStyle(property, compactable, validator) {
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var type = _wrapDefault('list-style-type', property, compactable);
|
|
var position = _wrapDefault('list-style-position', property, compactable);
|
|
var image = _wrapDefault('list-style-image', property, compactable);
|
|
var components = [type, position, image];
|
|
|
|
if (property.value.length == 1 && property.value[0][1] == 'inherit') {
|
|
type.value = position.value = image.value = [property.value[0]];
|
|
return components;
|
|
}
|
|
|
|
var values = property.value.slice(0);
|
|
var total = values.length;
|
|
var index = 0;
|
|
|
|
// `image` first...
|
|
for (index = 0, total = values.length; index < total; index++) {
|
|
if (validator.isUrl(values[index][1]) || values[index][1] == '0') {
|
|
image.value = [values[index]];
|
|
values.splice(index, 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// ... then `position`
|
|
for (index = 0, total = values.length; index < total; index++) {
|
|
if (validator.isListStylePositionKeyword(values[index][1])) {
|
|
position.value = [values[index]];
|
|
values.splice(index, 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// ... and what's left is a `type`
|
|
if (values.length > 0 && (validator.isListStyleTypeKeyword(values[0][1]) || validator.isIdentifier(values[0][1]))) {
|
|
type.value = [values[0]];
|
|
}
|
|
|
|
return components;
|
|
}
|
|
|
|
function transition(property, compactable, validator) {
|
|
var prop = _wrapDefault(property.name + '-property', property, compactable);
|
|
var duration = _wrapDefault(property.name + '-duration', property, compactable);
|
|
var timing = _wrapDefault(property.name + '-timing-function', property, compactable);
|
|
var delay = _wrapDefault(property.name + '-delay', property, compactable);
|
|
var components = [prop, duration, timing, delay];
|
|
var values = property.value;
|
|
var value;
|
|
var durationSet = false;
|
|
var delaySet = false;
|
|
var propSet = false;
|
|
var timingSet = false;
|
|
var i;
|
|
var l;
|
|
|
|
if (property.value.length == 1 && property.value[0][1] == 'inherit') {
|
|
prop.value = duration.value = timing.value = delay.value = property.value;
|
|
return components;
|
|
}
|
|
|
|
if (values.length > 1 && _anyIsInherit(values)) {
|
|
throw new InvalidPropertyError('Invalid animation values at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
|
|
}
|
|
|
|
for (i = 0, l = values.length; i < l; i++) {
|
|
value = values[i];
|
|
|
|
if (validator.isTime(value[1]) && !durationSet) {
|
|
duration.value = [value];
|
|
durationSet = true;
|
|
} else if (validator.isTime(value[1]) && !delaySet) {
|
|
delay.value = [value];
|
|
delaySet = true;
|
|
} else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) {
|
|
timing.value = [value];
|
|
timingSet = true;
|
|
} else if (validator.isIdentifier(value[1]) && !propSet) {
|
|
prop.value = [value];
|
|
propSet = true;
|
|
} else {
|
|
throw new InvalidPropertyError('Invalid animation value at ' + formatPosition(value[2][0]) + '. Ignoring.');
|
|
}
|
|
}
|
|
|
|
return components;
|
|
}
|
|
|
|
function widthStyleColor(property, compactable, validator) {
|
|
var descriptor = compactable[property.name];
|
|
var components = [
|
|
_wrapDefault(descriptor.components[0], property, compactable),
|
|
_wrapDefault(descriptor.components[1], property, compactable),
|
|
_wrapDefault(descriptor.components[2], property, compactable)
|
|
];
|
|
var color, style, width;
|
|
|
|
for (var i = 0; i < 3; i++) {
|
|
var component = components[i];
|
|
|
|
if (component.name.indexOf('color') > 0)
|
|
color = component;
|
|
else if (component.name.indexOf('style') > 0)
|
|
style = component;
|
|
else
|
|
width = component;
|
|
}
|
|
|
|
if ((property.value.length == 1 && property.value[0][1] == 'inherit') ||
|
|
(property.value.length == 3 && property.value[0][1] == 'inherit' && property.value[1][1] == 'inherit' && property.value[2][1] == 'inherit')) {
|
|
color.value = style.value = width.value = [property.value[0]];
|
|
return components;
|
|
}
|
|
|
|
var values = property.value.slice(0);
|
|
var match, matches;
|
|
|
|
// NOTE: usually users don't follow the required order of parts in this shorthand,
|
|
// so we'll try to parse it caring as little about order as possible
|
|
|
|
if (values.length > 0) {
|
|
matches = values.filter(_widthFilter(validator));
|
|
match = matches.length > 1 && (matches[0][1] == 'none' || matches[0][1] == 'auto') ? matches[1] : matches[0];
|
|
if (match) {
|
|
width.value = [match];
|
|
values.splice(values.indexOf(match), 1);
|
|
}
|
|
}
|
|
|
|
if (values.length > 0) {
|
|
match = values.filter(_styleFilter(validator))[0];
|
|
if (match) {
|
|
style.value = [match];
|
|
values.splice(values.indexOf(match), 1);
|
|
}
|
|
}
|
|
|
|
if (values.length > 0) {
|
|
match = values.filter(_colorFilter(validator))[0];
|
|
if (match) {
|
|
color.value = [match];
|
|
values.splice(values.indexOf(match), 1);
|
|
}
|
|
}
|
|
|
|
return components;
|
|
}
|
|
|
|
module.exports = {
|
|
animation: animation,
|
|
background: background,
|
|
border: widthStyleColor,
|
|
borderRadius: borderRadius,
|
|
font: font,
|
|
fourValues: fourValues,
|
|
listStyle: listStyle,
|
|
multiplex: multiplex,
|
|
outline: widthStyleColor,
|
|
transition: transition
|
|
};
|