258 lines
34 KiB
JavaScript
Executable File
258 lines
34 KiB
JavaScript
Executable File
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import { sequence } from '@angular/animations';
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import { invalidNodeType, invalidParamValue, invalidStyleParams, invalidTimingValue, negativeDelayValue, negativeStepValue } from './error_helpers';
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export const ONE_SECOND = 1000;
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export const SUBSTITUTION_EXPR_START = '{{';
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export const SUBSTITUTION_EXPR_END = '}}';
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export const ENTER_CLASSNAME = 'ng-enter';
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export const LEAVE_CLASSNAME = 'ng-leave';
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export const NG_TRIGGER_CLASSNAME = 'ng-trigger';
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export const NG_TRIGGER_SELECTOR = '.ng-trigger';
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export const NG_ANIMATING_CLASSNAME = 'ng-animating';
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export const NG_ANIMATING_SELECTOR = '.ng-animating';
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export function resolveTimingValue(value) {
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if (typeof value == 'number')
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return value;
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const matches = value.match(/^(-?[\.\d]+)(m?s)/);
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if (!matches || matches.length < 2)
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return 0;
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return _convertTimeValueToMS(parseFloat(matches[1]), matches[2]);
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}
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function _convertTimeValueToMS(value, unit) {
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switch (unit) {
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case 's':
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return value * ONE_SECOND;
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default: // ms or something else
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return value;
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}
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}
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export function resolveTiming(timings, errors, allowNegativeValues) {
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return timings.hasOwnProperty('duration') ?
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timings :
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parseTimeExpression(timings, errors, allowNegativeValues);
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}
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function parseTimeExpression(exp, errors, allowNegativeValues) {
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const regex = /^(-?[\.\d]+)(m?s)(?:\s+(-?[\.\d]+)(m?s))?(?:\s+([-a-z]+(?:\(.+?\))?))?$/i;
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let duration;
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let delay = 0;
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let easing = '';
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if (typeof exp === 'string') {
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const matches = exp.match(regex);
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if (matches === null) {
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errors.push(invalidTimingValue(exp));
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return { duration: 0, delay: 0, easing: '' };
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}
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duration = _convertTimeValueToMS(parseFloat(matches[1]), matches[2]);
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const delayMatch = matches[3];
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if (delayMatch != null) {
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delay = _convertTimeValueToMS(parseFloat(delayMatch), matches[4]);
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}
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const easingVal = matches[5];
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if (easingVal) {
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easing = easingVal;
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}
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}
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else {
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duration = exp;
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}
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if (!allowNegativeValues) {
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let containsErrors = false;
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let startIndex = errors.length;
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if (duration < 0) {
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errors.push(negativeStepValue());
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containsErrors = true;
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}
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if (delay < 0) {
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errors.push(negativeDelayValue());
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containsErrors = true;
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}
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if (containsErrors) {
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errors.splice(startIndex, 0, invalidTimingValue(exp));
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}
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}
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return { duration, delay, easing };
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}
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export function copyObj(obj, destination = {}) {
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Object.keys(obj).forEach(prop => {
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destination[prop] = obj[prop];
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});
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return destination;
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}
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export function convertToMap(obj) {
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const styleMap = new Map();
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Object.keys(obj).forEach(prop => {
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const val = obj[prop];
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styleMap.set(prop, val);
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});
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return styleMap;
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}
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export function normalizeKeyframes(keyframes) {
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if (!keyframes.length) {
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return [];
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}
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if (keyframes[0] instanceof Map) {
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return keyframes;
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}
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return keyframes.map(kf => convertToMap(kf));
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}
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export function normalizeStyles(styles) {
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const normalizedStyles = new Map();
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if (Array.isArray(styles)) {
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styles.forEach(data => copyStyles(data, normalizedStyles));
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}
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else {
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copyStyles(styles, normalizedStyles);
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}
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return normalizedStyles;
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}
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export function copyStyles(styles, destination = new Map(), backfill) {
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if (backfill) {
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for (let [prop, val] of backfill) {
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destination.set(prop, val);
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}
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}
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for (let [prop, val] of styles) {
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destination.set(prop, val);
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}
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return destination;
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}
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export function setStyles(element, styles, formerStyles) {
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styles.forEach((val, prop) => {
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const camelProp = dashCaseToCamelCase(prop);
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if (formerStyles && !formerStyles.has(prop)) {
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formerStyles.set(prop, element.style[camelProp]);
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}
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element.style[camelProp] = val;
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});
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}
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export function eraseStyles(element, styles) {
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styles.forEach((_, prop) => {
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const camelProp = dashCaseToCamelCase(prop);
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element.style[camelProp] = '';
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});
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}
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export function normalizeAnimationEntry(steps) {
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if (Array.isArray(steps)) {
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if (steps.length == 1)
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return steps[0];
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return sequence(steps);
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}
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return steps;
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}
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export function validateStyleParams(value, options, errors) {
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const params = options.params || {};
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const matches = extractStyleParams(value);
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if (matches.length) {
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matches.forEach(varName => {
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if (!params.hasOwnProperty(varName)) {
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errors.push(invalidStyleParams(varName));
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}
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});
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}
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}
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const PARAM_REGEX = new RegExp(`${SUBSTITUTION_EXPR_START}\\s*(.+?)\\s*${SUBSTITUTION_EXPR_END}`, 'g');
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export function extractStyleParams(value) {
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let params = [];
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if (typeof value === 'string') {
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let match;
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while (match = PARAM_REGEX.exec(value)) {
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params.push(match[1]);
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}
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PARAM_REGEX.lastIndex = 0;
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}
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return params;
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}
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export function interpolateParams(value, params, errors) {
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const original = value.toString();
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const str = original.replace(PARAM_REGEX, (_, varName) => {
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let localVal = params[varName];
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// this means that the value was never overridden by the data passed in by the user
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if (localVal == null) {
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errors.push(invalidParamValue(varName));
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localVal = '';
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}
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return localVal.toString();
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});
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// we do this to assert that numeric values stay as they are
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return str == original ? value : str;
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}
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export function iteratorToArray(iterator) {
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const arr = [];
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let item = iterator.next();
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while (!item.done) {
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arr.push(item.value);
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item = iterator.next();
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}
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return arr;
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}
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const DASH_CASE_REGEXP = /-+([a-z0-9])/g;
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export function dashCaseToCamelCase(input) {
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return input.replace(DASH_CASE_REGEXP, (...m) => m[1].toUpperCase());
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}
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export function camelCaseToDashCase(input) {
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return input.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
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}
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export function allowPreviousPlayerStylesMerge(duration, delay) {
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return duration === 0 || delay === 0;
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}
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export function balancePreviousStylesIntoKeyframes(element, keyframes, previousStyles) {
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if (previousStyles.size && keyframes.length) {
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let startingKeyframe = keyframes[0];
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let missingStyleProps = [];
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previousStyles.forEach((val, prop) => {
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if (!startingKeyframe.has(prop)) {
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missingStyleProps.push(prop);
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}
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startingKeyframe.set(prop, val);
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});
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if (missingStyleProps.length) {
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for (let i = 1; i < keyframes.length; i++) {
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let kf = keyframes[i];
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missingStyleProps.forEach(prop => kf.set(prop, computeStyle(element, prop)));
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}
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}
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}
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return keyframes;
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}
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export function visitDslNode(visitor, node, context) {
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switch (node.type) {
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case 7 /* AnimationMetadataType.Trigger */:
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return visitor.visitTrigger(node, context);
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case 0 /* AnimationMetadataType.State */:
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return visitor.visitState(node, context);
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case 1 /* AnimationMetadataType.Transition */:
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return visitor.visitTransition(node, context);
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case 2 /* AnimationMetadataType.Sequence */:
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return visitor.visitSequence(node, context);
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case 3 /* AnimationMetadataType.Group */:
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return visitor.visitGroup(node, context);
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case 4 /* AnimationMetadataType.Animate */:
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return visitor.visitAnimate(node, context);
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case 5 /* AnimationMetadataType.Keyframes */:
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return visitor.visitKeyframes(node, context);
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case 6 /* AnimationMetadataType.Style */:
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return visitor.visitStyle(node, context);
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case 8 /* AnimationMetadataType.Reference */:
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return visitor.visitReference(node, context);
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case 9 /* AnimationMetadataType.AnimateChild */:
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return visitor.visitAnimateChild(node, context);
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case 10 /* AnimationMetadataType.AnimateRef */:
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return visitor.visitAnimateRef(node, context);
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case 11 /* AnimationMetadataType.Query */:
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return visitor.visitQuery(node, context);
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case 12 /* AnimationMetadataType.Stagger */:
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return visitor.visitStagger(node, context);
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default:
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throw invalidNodeType(node.type);
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}
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}
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export function computeStyle(element, prop) {
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return window.getComputedStyle(element)[prop];
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}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport {AnimateTimings, AnimationMetadata, AnimationMetadataType, AnimationOptions, sequence, ɵStyleData, ɵStyleDataMap} from '@angular/animations';\n\nimport {Ast as AnimationAst, AstVisitor as AnimationAstVisitor} from './dsl/animation_ast';\nimport {AnimationDslVisitor} from './dsl/animation_dsl_visitor';\nimport {invalidNodeType, invalidParamValue, invalidStyleParams, invalidTimingValue, negativeDelayValue, negativeStepValue} from './error_helpers';\n\nexport const ONE_SECOND = 1000;\n\nexport const SUBSTITUTION_EXPR_START = '{{';\nexport const SUBSTITUTION_EXPR_END = '}}';\nexport const ENTER_CLASSNAME = 'ng-enter';\nexport const LEAVE_CLASSNAME = 'ng-leave';\nexport const NG_TRIGGER_CLASSNAME = 'ng-trigger';\nexport const NG_TRIGGER_SELECTOR = '.ng-trigger';\nexport const NG_ANIMATING_CLASSNAME = 'ng-animating';\nexport const NG_ANIMATING_SELECTOR = '.ng-animating';\n\nexport function resolveTimingValue(value: string|number) {\n  if (typeof value == 'number') return value;\n\n  const matches = value.match(/^(-?[\\.\\d]+)(m?s)/);\n  if (!matches || matches.length < 2) return 0;\n\n  return _convertTimeValueToMS(parseFloat(matches[1]), matches[2]);\n}\n\nfunction _convertTimeValueToMS(value: number, unit: string): number {\n  switch (unit) {\n    case 's':\n      return value * ONE_SECOND;\n    default:  // ms or something else\n      return value;\n  }\n}\n\nexport function resolveTiming(\n    timings: string|number|AnimateTimings, errors: Error[], allowNegativeValues?: boolean) {\n  return timings.hasOwnProperty('duration') ?\n      <AnimateTimings>timings :\n      parseTimeExpression(<string|number>timings, errors, allowNegativeValues);\n}\n\nfunction parseTimeExpression(\n    exp: string|number, errors: Error[], allowNegativeValues?: boolean): AnimateTimings {\n  const regex = /^(-?[\\.\\d]+)(m?s)(?:\\s+(-?[\\.\\d]+)(m?s))?(?:\\s+([-a-z]+(?:\\(.+?\\))?))?$/i;\n  let duration: number;\n  let delay: number = 0;\n  let easing: string = '';\n  if (typeof exp === 'string') {\n    const matches = exp.match(regex);\n    if (matches === null) {\n      errors.push(invalidTimingValue(exp));\n      return {duration: 0, delay: 0, easing: ''};\n    }\n\n    duration = _convertTimeValueToMS(parseFloat(matches[1]), matches[2]);\n\n    const delayMatch = matches[3];\n    if (delayMatch != null) {\n      delay = _convertTimeValueToMS(parseFloat(delayMatch), matches[4]);\n    }\n\n    const easingVal = matches[5];\n    if (easingVal) {\n      easing = easingVal;\n    }\n  } else {\n    duration = exp;\n  }\n\n  if (!allowNegativeValues) {\n    let containsErrors = false;\n    let startIndex = errors.length;\n    if (duration < 0) {\n      errors.push(negativeStepValue());\n      containsErrors = true;\n    }\n    if (delay < 0) {\n      errors.push(negativeDelayValue());\n      containsErrors = true;\n    }\n    if (containsErrors) {\n      errors.splice(startIndex, 0, invalidTimingValue(exp));\n    }\n  }\n\n  return {duration, delay, easing};\n}\n\nexport function copyObj(\n    obj: {[key: string]: any}, destination: {[key: string]: any} = {}): {[key: string]: any} {\n  Object.keys(obj).forEach(prop => {\n    destination[prop] = obj[prop];\n  });\n  return destination;\n}\n\nexport function convertToMap(obj: ɵStyleData): ɵStyleDataMap {\n  const styleMap: ɵStyleDataMap = new Map();\n  Object.keys(obj).forEach(prop => {\n    const val = obj[prop];\n    styleMap.set(prop, val);\n  });\n  return styleMap;\n}\n\nexport function normalizeKeyframes(keyframes: Array<ɵStyleData>|\n                                   Array<ɵStyleDataMap>): Array<ɵStyleDataMap> {\n  if (!keyframes.length) {\n    return [];\n  }\n  if (keyframes[0] instanceof Map) {\n    return keyframes as Array<ɵStyleDataMap>;\n  }\n  return keyframes.map(kf => convertToMap(kf as ɵStyleData));\n}\n\nexport function normalizeStyles(styles: ɵStyleDataMap|Array<ɵStyleDataMap>): ɵStyleDataMap {\n  const normalizedStyles: ɵStyleDataMap = new Map();\n  if (Array.isArray(styles)) {\n    styles.forEach(data => copyStyles(data, normalizedStyles));\n  } else {\n    copyStyles(styles, normalizedStyles);\n  }\n  return normalizedStyles;\n}\n\nexport function copyStyles(\n    styles: ɵStyleDataMap, destination: ɵStyleDataMap = new Map(),\n    backfill?: ɵStyleDataMap): ɵStyleDataMap {\n  if (backfill) {\n    for (let [prop, val] of backfill) {\n      destination.set(prop, val);\n    }\n  }\n  for (let [prop, val] of styles) {\n    destination.set(prop, val);\n  }\n  return destination;\n}\n\nexport function setStyles(element: any, styles: ɵStyleDataMap, formerStyles?: ɵStyleDataMap) {\n  styles.forEach((val, prop) => {\n    const camelProp = dashCaseToCamelCase(prop);\n    if (formerStyles && !formerStyles.has(prop)) {\n      formerStyles.set(prop, element.style[camelProp]);\n    }\n    element.style[camelProp] = val;\n  });\n}\n\nexport function eraseStyles(element: any, styles: ɵStyleDataMap) {\n  styles.forEach((_, prop) => {\n    const camelProp = dashCaseToCamelCase(prop);\n    element.style[camelProp] = '';\n  });\n}\n\nexport function normalizeAnimationEntry(steps: AnimationMetadata|\n                                        AnimationMetadata[]): AnimationMetadata {\n  if (Array.isArray(steps)) {\n    if (steps.length == 1) return steps[0];\n    return sequence(steps);\n  }\n  return steps as AnimationMetadata;\n}\n\nexport function validateStyleParams(\n    value: string|number|null|undefined, options: AnimationOptions, errors: Error[]) {\n  const params = options.params || {};\n  const matches = extractStyleParams(value);\n  if (matches.length) {\n    matches.forEach(varName => {\n      if (!params.hasOwnProperty(varName)) {\n        errors.push(invalidStyleParams(varName));\n      }\n    });\n  }\n}\n\nconst PARAM_REGEX =\n    new RegExp(`${SUBSTITUTION_EXPR_START}\\\\s*(.+?)\\\\s*${SUBSTITUTION_EXPR_END}`, 'g');\nexport function extractStyleParams(value: string|number|null|undefined): string[] {\n  let params: string[] = [];\n  if (typeof value === 'string') {\n    let match: any;\n    while (match = PARAM_REGEX.exec(value)) {\n      params.push(match[1] as string);\n    }\n    PARAM_REGEX.lastIndex = 0;\n  }\n  return params;\n}\n\nexport function interpolateParams(\n    value: string|number, params: {[name: string]: any}, errors: Error[]): string|number {\n  const original = value.toString();\n  const str = original.replace(PARAM_REGEX, (_, varName) => {\n    let localVal = params[varName];\n    // this means that the value was never overridden by the data passed in by the user\n    if (localVal == null) {\n      errors.push(invalidParamValue(varName));\n      localVal = '';\n    }\n    return localVal.toString();\n  });\n\n  // we do this to assert that numeric values stay as they are\n  return str == original ? value : str;\n}\n\nexport function iteratorToArray(iterator: any): any[] {\n  const arr: any[] = [];\n  let item = iterator.next();\n  while (!item.done) {\n    arr.push(item.value);\n    item = iterator.next();\n  }\n  return arr;\n}\n\nconst DASH_CASE_REGEXP = /-+([a-z0-9])/g;\nexport function dashCaseToCamelCase(input: string): string {\n  return input.replace(DASH_CASE_REGEXP, (...m: any[]) => m[1].toUpperCase());\n}\n\nexport function camelCaseToDashCase(input: string): string {\n  return input.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();\n}\n\nexport function allowPreviousPlayerStylesMerge(duration: number, delay: number) {\n  return duration === 0 || delay === 0;\n}\n\nexport function balancePreviousStylesIntoKeyframes(\n    element: any, keyframes: Array<ɵStyleDataMap>, previousStyles: ɵStyleDataMap) {\n  if (previousStyles.size && keyframes.length) {\n    let startingKeyframe = keyframes[0];\n    let missingStyleProps: string[] = [];\n    previousStyles.forEach((val, prop) => {\n      if (!startingKeyframe.has(prop)) {\n        missingStyleProps.push(prop);\n      }\n      startingKeyframe.set(prop, val);\n    });\n\n    if (missingStyleProps.length) {\n      for (let i = 1; i < keyframes.length; i++) {\n        let kf = keyframes[i];\n        missingStyleProps.forEach(prop => kf.set(prop, computeStyle(element, prop)));\n      }\n    }\n  }\n  return keyframes;\n}\n\nexport function visitDslNode(\n    visitor: AnimationDslVisitor, node: AnimationMetadata, context: any): any;\nexport function visitDslNode(\n    visitor: AnimationAstVisitor, node: AnimationAst<AnimationMetadataType>, context: any): any;\nexport function visitDslNode(visitor: any, node: any, context: any): any {\n  switch (node.type) {\n    case AnimationMetadataType.Trigger:\n      return visitor.visitTrigger(node, context);\n    case AnimationMetadataType.State:\n      return visitor.visitState(node, context);\n    case AnimationMetadataType.Transition:\n      return visitor.visitTransition(node, context);\n    case AnimationMetadataType.Sequence:\n      return visitor.visitSequence(node, context);\n    case AnimationMetadataType.Group:\n      return visitor.visitGroup(node, context);\n    case AnimationMetadataType.Animate:\n      return visitor.visitAnimate(node, context);\n    case AnimationMetadataType.Keyframes:\n      return visitor.visitKeyframes(node, context);\n    case AnimationMetadataType.Style:\n      return visitor.visitStyle(node, context);\n    case AnimationMetadataType.Reference:\n      return visitor.visitReference(node, context);\n    case AnimationMetadataType.AnimateChild:\n      return visitor.visitAnimateChild(node, context);\n    case AnimationMetadataType.AnimateRef:\n      return visitor.visitAnimateRef(node, context);\n    case AnimationMetadataType.Query:\n      return visitor.visitQuery(node, context);\n    case AnimationMetadataType.Stagger:\n      return visitor.visitStagger(node, context);\n    default:\n      throw invalidNodeType(node.type);\n  }\n}\n\nexport function computeStyle(element: any, prop: string): string {\n  return (<any>window.getComputedStyle(element))[prop];\n}\n"]}
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