yahoo-swiv
Version:
A web-based exploratory visualization UI for Druid.io
141 lines (140 loc) • 5.32 kB
JavaScript
;
var immutable_1 = require('immutable');
var immutable_class_1 = require('immutable-class');
var objectHasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwnProperty(obj, key) {
if (!obj)
return false;
return objectHasOwnProperty.call(obj, key);
}
exports.hasOwnProperty = hasOwnProperty;
function moveInList(list, itemIndex, insertPoint) {
var n = list.size;
if (itemIndex < 0 || itemIndex >= n)
throw new Error('itemIndex out of range');
if (insertPoint < 0 || insertPoint > n)
throw new Error('insertPoint out of range');
var newArray = [];
list.forEach(function (value, i) {
if (i === insertPoint)
newArray.push(list.get(itemIndex));
if (i !== itemIndex)
newArray.push(value);
});
if (n === insertPoint)
newArray.push(list.get(itemIndex));
return immutable_1.List(newArray);
}
exports.moveInList = moveInList;
function makeTitle(name) {
return name
.replace(/^[ _\-]+|[ _\-]+$/g, '')
.replace(/(^|[_\-]+)\w/g, function (s) {
return s.replace(/[_\-]+/, ' ').toUpperCase();
})
.replace(/[a-z0-9][A-Z]/g, function (s) {
return s[0] + ' ' + s[1];
});
}
exports.makeTitle = makeTitle;
function immutableListsEqual(listA, listB) {
if (listA === listB)
return true;
if (!listA !== !listB)
return false;
return immutable_class_1.immutableArraysEqual(listA.toArray(), listB.toArray());
}
exports.immutableListsEqual = immutableListsEqual;
function collect(wait, fn) {
var timeout;
var later = function () {
timeout = null;
fn();
};
return function () {
if (!timeout) {
timeout = setTimeout(later, wait);
}
};
}
exports.collect = collect;
var URL_UNSAFE_CHARS = /[^\w.~\-]+/g;
function makeUrlSafeName(name) {
return name.replace(URL_UNSAFE_CHARS, '_');
}
exports.makeUrlSafeName = makeUrlSafeName;
function verifyUrlSafeName(name) {
if (typeof name !== 'string')
throw new TypeError('name must be a string');
if (!name.length)
throw new Error('can not have empty name');
var urlSafeName = makeUrlSafeName(name);
if (name !== urlSafeName) {
throw new Error("'" + name + "' is not a URL safe name. Try '" + urlSafeName + "' instead?");
}
}
exports.verifyUrlSafeName = verifyUrlSafeName;
function arraySum(inputArray) {
return inputArray.reduce(function (pV, cV) {
return pV + cV;
}, 0);
}
exports.arraySum = arraySum;
function findFirstBiggerIndex(array, elementToFind, valueOf) {
if (!elementToFind)
return -1;
return immutable_1.List(array).findIndex(function (g) { return valueOf(g) > valueOf(elementToFind); });
}
exports.findFirstBiggerIndex = findFirstBiggerIndex;
function findBiggerClosestToIdeal(array, elementToFind, ideal, valueOf) {
var biggerOrEqualIndex = immutable_1.List(array).findIndex(function (g) { return valueOf(g) >= valueOf(elementToFind); });
var biggerArrayOrEqual = array.slice(biggerOrEqualIndex);
return biggerArrayOrEqual.reduce(function (pV, cV, i, arr) { return Math.abs(valueOf(pV) - valueOf(ideal)) < Math.abs(valueOf(cV) - valueOf(ideal)) ? pV : cV; });
}
exports.findBiggerClosestToIdeal = findBiggerClosestToIdeal;
function findExactIndex(array, elementToFind, valueOf) {
return immutable_1.List(array).findIndex(function (g) { return valueOf(g) === valueOf(elementToFind); });
}
exports.findExactIndex = findExactIndex;
function findMaxValueIndex(array, valueOf) {
return array.reduce(function (currMax, cV, cIdx, arr) { return valueOf(cV) > valueOf(arr[currMax]) ? cIdx : currMax; }, 0);
}
exports.findMaxValueIndex = findMaxValueIndex;
function findMinValueIndex(array, valueOf) {
return array.reduce(function (currMax, cV, cIdx, arr) { return valueOf(cV) < valueOf(arr[currMax]) ? cIdx : currMax; }, 0);
}
exports.findMinValueIndex = findMinValueIndex;
function log10(n) {
return Math.log(n) * Math.LOG10E;
}
function toSignificantDigits(n, digits) {
var multiplier = Math.pow(10, digits - Math.floor(Math.log(n) / Math.LN10) - 1);
return Math.round(n * multiplier) / multiplier;
}
exports.toSignificantDigits = toSignificantDigits;
function getNumberOfWholeDigits(n) {
return Math.max(Math.floor(log10(Math.abs(n))), 0) + 1;
}
exports.getNumberOfWholeDigits = getNumberOfWholeDigits;
function inlineVars(obj, vs) {
return JSON.parse(JSON.stringify(obj).replace(/%\{[\w\-]+\}%/g, function (varName) {
varName = varName.substr(2, varName.length - 4);
var v = vs[varName];
if (typeof v !== 'string')
throw new Error("could not find variable '" + varName + "'");
var v = JSON.stringify(v);
return v.substr(1, v.length - 2);
}));
}
exports.inlineVars = inlineVars;
function ensureOneOf(value, values, messagePrefix) {
if (values.indexOf(value) !== -1)
return;
var isMessage = typeof value === 'undefined' ? 'not defined' : "'" + value + "'";
throw new Error(messagePrefix + " must be on of '" + values.join("', '") + "' (is " + isMessage + ")");
}
exports.ensureOneOf = ensureOneOf;
function pluralIfNeeded(n, thing) {
return n + " " + thing + (n === 1 ? '' : 's');
}
exports.pluralIfNeeded = pluralIfNeeded;