standard format
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luk
parent
9ebd7945ac
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61
coretool.js
61
coretool.js
@ -19,25 +19,19 @@ module.exports = {
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}
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Object.freeze(obj)
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const propNames = Object.getOwnPropertyNames(obj)
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propNames.forEach(prop => {
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propNames.forEach((prop) => {
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const propValue = obj[prop]
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// for nested object
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if (
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propValue && typeof propValue === 'object' &&
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!Object.isFrozen(propValue)
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) {
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if (propValue && typeof propValue === 'object' && !Object.isFrozen(propValue)) {
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deepFreeze(propValue)
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}
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// for nested array
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if (Array.isArray(propValue)) {
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propValue.forEach(item => {
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if (
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item && typeof item === 'object' &&
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!Object.isFrozen(item)
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) {
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propValue.forEach((item) => {
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if (item && typeof item === 'object' && !Object.isFrozen(item)) {
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deepFreeze(item)
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}
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});
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})
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Object.freeze(propValue) // Freeze the array itself
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}
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})
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@ -316,30 +310,34 @@ module.exports = {
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},
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number_precision (number, precision = 4) {
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if (isFinite(number)) // null, '', '0', []
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if (isFinite(number)) {
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// 包括 null, '', '0', [] 都 isFinite
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return Number(Number(number).toFixed(precision))
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else // undefined, NaN, Infinity, {}
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} else {
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// undefined, NaN, Infinity, {}
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return 0
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}
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},
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// 返回新的数组
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filter_story (story) {
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if (Array.isArray(story)) {
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return story.filter(section => Object.values(section || {}).some(val => !this.is_empty(val))) // (section.text || section.image || section.video)?.trim?.()
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return story.filter((section) => Object.values(section || {}).some((val) => !this.is_empty(val))) // (section.text || section.image || section.video)?.trim?.()
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} else {
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return []
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}
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},
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is_empty (data) { // empty: undefined, null, false, 0, NaN, '', '空格，tab, \n等', [], {}
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is_empty (data) {
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// empty: undefined, null, false, 0, NaN, '', '空格，tab, \n等', [], {}
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if (data) {
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if (typeof (data) === 'string' && data.trim() === '') {
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if (typeof data === 'string' && data.trim() === '') {
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return true
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}
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if (Array.isArray(data) && data.length === 0) {
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return true
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}
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if (typeof (data) === 'object' && Object.keys(data).length === 0) {
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if (typeof data === 'object' && Object.keys(data).length === 0) {
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return true
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}
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return false
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@ -351,12 +349,13 @@ module.exports = {
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* 对数组中的对象，按对象的key进行sortType排序
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*/
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keysort_array (arr, key, order = 'ASC') {
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if (Array.isArray(arr) && typeof (key) === 'string' && key) {
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return arr.sort((a, b) => { // 负数： a, b. 正数: b, a
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if (typeof (a[key]) === 'number' && typeof (b[key]) === 'number') {
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return (order === 'DESC') ? b[key] - a[key] : a[key] - b[key]
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} else if (typeof (a[key]) === 'string' && typeof (b[key]) === 'string') {
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return (order === 'DESC') ? b[key].localeCompare(a[key]) : a[key].localeCompare(b[key])
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if (Array.isArray(arr) && typeof key === 'string' && key) {
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return arr.sort((a, b) => {
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// 负数： a, b. 正数: b, a
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if (typeof a[key] === 'number' && typeof b[key] === 'number') {
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return order === 'DESC' ? b[key] - a[key] : a[key] - b[key]
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} else if (typeof a[key] === 'string' && typeof b[key] === 'string') {
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return order === 'DESC' ? b[key].localeCompare(a[key]) : a[key].localeCompare(b[key])
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} else {
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return 0
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}
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@ -366,7 +365,8 @@ module.exports = {
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}
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},
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objectize_array (arr, key) { // 是 Object.keys/values/entries 的反向操作，相当于 Array.objectize，把数据转成对象
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objectize_array (arr, key) {
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// 是 Object.keys/values/entries 的反向操作，相当于 Array.objectize，把数据转成对象
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return arr.reduce((obj, item) => ({ ...obj, [item[key]]: item }), {})
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},
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@ -381,15 +381,16 @@ module.exports = {
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},
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has_module (module) {
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if (typeof (module) === 'string' && module) {
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return module.paths.some(modulesPath => fs.existsSync(path.join(modulesPath, module)))
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if (typeof module === 'string' && module) {
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return module.paths.some((modulesPath) => fs.existsSync(path.join(modulesPath, module)))
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} else {
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return false
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}
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},
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segment_number (sizeBytes = '') { // segment a number with a space between each 3 digits
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let segmented = (sizeBytes).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ')
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segment_number (sizeBytes = '') {
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// segment a number with a space between each 3 digits
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let segmented = sizeBytes.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ')
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const parts = segmented.split(' ')
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parts[parts.length - 3] += 'm'
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parts[parts.length - 2] += 'k'
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@ -408,12 +409,11 @@ module.exports = {
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// 如果用 path.extname:
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// if (/^\./.test(filename)) filename = `added$filename` // path.extname('.abc') 结果为 ''，所以要添加前缀
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// return path.extname(filename).toLowerCase() // openAi*Ext 是包含 . 的，所以用 path.extname
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},
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delete_undefined (obj, { depth } = {}) {
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// delete all undefined properties recursively inside an obect
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Object.keys(obj).forEach(key => {
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Object.keys(obj).forEach((key) => {
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if (typeof obj[key] === 'undefined') {
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delete obj[key]
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} else if (typeof obj[key] === 'object') {
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@ -421,5 +421,4 @@ module.exports = {
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}
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})
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},
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}
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