(
mapper: {
[index: string | number]: string | number
},
options?: {
axis?: 0 | 1
inplace?: boolean
}
)
| 2963 | } |
| 2964 | ): DataFrame |
| 2965 | rename( |
| 2966 | mapper: { |
| 2967 | [index: string | number]: string | number |
| 2968 | }, |
| 2969 | options?: { |
| 2970 | axis?: 0 | 1 |
| 2971 | inplace?: boolean |
| 2972 | } |
| 2973 | ): DataFrame | void { |
| 2974 | const { axis, inplace } = { axis: 1, inplace: false, ...options } |
| 2975 | |
| 2976 | if ([0, 1].indexOf(axis) === -1) { |
| 2977 | throw Error(`ParamError: axis must be 0 or 1`); |
| 2978 | } |
| 2979 | |
| 2980 | if (axis === 1) { |
| 2981 | const colsAdded: string[] = []; |
| 2982 | const newColumns = this.columns.map(col => { |
| 2983 | if (mapper[col] !== undefined) { |
| 2984 | const newCol = `${mapper[col]}`; |
| 2985 | colsAdded.push(newCol); |
| 2986 | return newCol; |
| 2987 | } else { |
| 2988 | return col |
| 2989 | } |
| 2990 | }) |
| 2991 | |
| 2992 | if (inplace) { |
| 2993 | this.$setColumnNames(newColumns) |
| 2994 | for (const col of colsAdded) { |
| 2995 | this.$setInternalColumnDataProperty(col); |
| 2996 | } |
| 2997 | } else { |
| 2998 | return new DataFrame([...this.values], { |
| 2999 | index: [...this.index], |
| 3000 | columns: newColumns, |
| 3001 | dtypes: [...this.dtypes], |
| 3002 | config: { ...this.config } |
| 3003 | }) |
| 3004 | } |
| 3005 | } else { |
| 3006 | const newIndex = this.index.map(col => { |
| 3007 | if (mapper[col] !== undefined) { |
| 3008 | return mapper[col] |
| 3009 | } else { |
| 3010 | return col |
| 3011 | } |
| 3012 | }) |
| 3013 | |
| 3014 | if (inplace) { |
| 3015 | this.$setIndex(newIndex) |
| 3016 | } else { |
| 3017 | return new DataFrame([...this.values], { |
| 3018 | index: newIndex, |
| 3019 | columns: [...this.columns], |
| 3020 | dtypes: [...this.dtypes], |
| 3021 | config: { ...this.config } |
| 3022 | }) |
nothing calls this directly
no test coverage detected