| "use strict"; |
| |
| const _ = require("lodash"); |
| const declarationValueIndex = require("../../utils/declarationValueIndex"); |
| const keywordSets = require("../../reference/keywordSets"); |
| const postcss = require("postcss"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const validateOptions = require("../../utils/validateOptions"); |
| const valueParser = require("postcss-value-parser"); |
| |
| const ruleName = "time-min-milliseconds"; |
| |
| const messages = ruleMessages(ruleName, { |
| expected: time => `Expected a minimum of ${time} milliseconds` |
| }); |
| |
| const rule = function(minimum) { |
| return (root, result) => { |
| const validOptions = validateOptions(result, ruleName, { |
| actual: minimum, |
| possible: _.isNumber |
| }); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkDecls(decl => { |
| const propertyName = postcss.vendor.unprefixed(decl.prop.toLowerCase()); |
| |
| if ( |
| keywordSets.longhandTimeProperties.has(propertyName) && |
| !isAcceptableTime(decl.value) |
| ) { |
| complain(decl); |
| } |
| |
| if (keywordSets.shorthandTimeProperties.has(propertyName)) { |
| const valueList = postcss.list.space(decl.value); |
| |
| for (const value of valueList) { |
| if (!isAcceptableTime(value)) { |
| complain(decl, decl.value.indexOf(value)); |
| } |
| } |
| } |
| }); |
| |
| function isAcceptableTime(time) { |
| const parsedTime = valueParser.unit(time); |
| |
| if (!parsedTime) return true; |
| |
| if (parsedTime.number <= 0) { |
| return true; |
| } |
| |
| if ( |
| parsedTime.unit.toLowerCase() === "ms" && |
| parsedTime.number < minimum |
| ) { |
| return false; |
| } |
| |
| if ( |
| parsedTime.unit.toLowerCase() === "s" && |
| parsedTime.number * 1000 < minimum |
| ) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| function complain(decl, offset) { |
| offset = offset || 0; |
| |
| report({ |
| result, |
| ruleName, |
| message: messages.expected(minimum), |
| index: declarationValueIndex(decl) + offset, |
| node: decl |
| }); |
| } |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |