Spaces:
Build error
Build error
File size: 1,719 Bytes
c211499 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
// [[fill]align][sign][symbol][0][width][,][.precision][~][type]
var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i;
export default function formatSpecifier(specifier) {
if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
var match;
return new FormatSpecifier({
fill: match[1],
align: match[2],
sign: match[3],
symbol: match[4],
zero: match[5],
width: match[6],
comma: match[7],
precision: match[8] && match[8].slice(1),
trim: match[9],
type: match[10]
});
}
formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof
export function FormatSpecifier(specifier) {
this.fill = specifier.fill === undefined ? " " : specifier.fill + "";
this.align = specifier.align === undefined ? ">" : specifier.align + "";
this.sign = specifier.sign === undefined ? "-" : specifier.sign + "";
this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + "";
this.zero = !!specifier.zero;
this.width = specifier.width === undefined ? undefined : +specifier.width;
this.comma = !!specifier.comma;
this.precision = specifier.precision === undefined ? undefined : +specifier.precision;
this.trim = !!specifier.trim;
this.type = specifier.type === undefined ? "" : specifier.type + "";
}
FormatSpecifier.prototype.toString = function() {
return this.fill
+ this.align
+ this.sign
+ this.symbol
+ (this.zero ? "0" : "")
+ (this.width === undefined ? "" : Math.max(1, this.width | 0))
+ (this.comma ? "," : "")
+ (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0))
+ (this.trim ? "~" : "")
+ this.type;
};
|