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string.js
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61 lines (53 loc) · 1.39 KB
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import { factory } from '../utils/factory.js'
import { deepMap } from '../utils/collection.js'
import { format } from '../utils/number.js'
const name = 'string'
const dependencies = ['typed']
export const createString = /* #__PURE__ */ factory(name, dependencies, ({ typed }) => {
/**
* Create a string or convert any object into a string.
* Elements of Arrays and Matrices are processed element wise.
*
* Syntax:
*
* math.string(value)
*
* Examples:
*
* math.string(4.2) // returns string '4.2'
* math.string(math.complex(3, 2) // returns string '3 + 2i'
*
* const u = math.unit(5, 'km')
* math.string(u.to('m')) // returns string '5000 m'
*
* math.string([true, false]) // returns ['true', 'false']
*
* See also:
*
* bignumber, boolean, complex, index, matrix, number, unit
*
* @param {* | Array | Matrix | null} [value] A value to convert to a string
* @return {string | Array | Matrix} The created string
*/
return typed(name, {
'': function () {
return ''
},
number: format,
null: function (x) {
return 'null'
},
boolean: function (x) {
return x + ''
},
string: function (x) {
return x
},
'Array | Matrix': function (x) {
return deepMap(x, this)
},
any: function (x) {
return String(x)
}
})
})