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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| coverage/ | ||
| npm/ | ||
| coverage/* | ||
| npm/* | ||
| !npm/README.md |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| export { diff } from "./diff.ts" | ||
| export { generateDiffText } from "./parser/index.ts" | ||
| export * from "./type.ts" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| import { DiffResultBase } from "../type.ts" | ||
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| export default abstract class AbstractDiffParser { | ||
| abstract getDiff<O extends object, N extends object>( | ||
| result: DiffResultBase<O, N>, | ||
| ): string | ||
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| protected toJsonValue = (value: unknown): string | number | undefined => { | ||
| if (typeof value === "string") return `"${value}"` | ||
| if (typeof value === "number") return value | ||
|
|
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| return undefined | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| import { AddedDiffResult } from "../type.ts" | ||
| import AbstractDiffParser from "./AbstractDiffParser.ts" | ||
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| export default class AddedObjectParser extends AbstractDiffParser { | ||
| constructor(private indent: string) { | ||
| super() | ||
| } | ||
|
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| public getDiff<O extends object, N extends object>( | ||
| result: AddedDiffResult<O, N>, | ||
| ): string { | ||
| let text = "" | ||
| text += `+ {\n` | ||
| Object.entries(result.new).forEach(([key, value]) => { | ||
| text += `+ ${this.indent}${key}: ${this.toJsonValue(value)},\n` | ||
| }) | ||
| text += `+ },\n` | ||
|
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| return text | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| import { DiffKey, ExistedDiffResult } from "../type.ts" | ||
| import AbstractDiffParser from "./AbstractDiffParser.ts" | ||
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| export default class KeyParser extends AbstractDiffParser { | ||
| constructor(private indent: string) { | ||
| super() | ||
| } | ||
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| public getDiff<O extends object, N extends object>( | ||
| result: ExistedDiffResult<O, N>, | ||
| ) { | ||
| let text = "" | ||
| text += `${this.indent}{\n` | ||
| result.keys.forEach((key) => { | ||
| text += this.parseDetail(key) | ||
| }) | ||
| text += `${this.indent}},\n` | ||
|
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| return text | ||
| } | ||
|
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| private parseDetail<O extends object, N extends object>( | ||
| key: DiffKey<O, N>, | ||
| ): string { | ||
| const keyName = String(key.name) | ||
| const oldValue = this.toJsonValue(key.old) | ||
| const newValue = this.toJsonValue(key.new) | ||
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| if (key.type === "added") { | ||
| return `+ ${this.indent}${keyName}: ${newValue},\n` | ||
| } | ||
| if (key.type === "removed") { | ||
| return `- ${this.indent}${keyName}: ${oldValue},\n` | ||
| } | ||
| if (key.type === "unchanged") { | ||
| return ` ${this.indent}${keyName}: ${oldValue},\n` | ||
| } | ||
| const removed = `- ${this.indent}${keyName}: ${oldValue},\n` | ||
| const added = `+ ${this.indent}${keyName}: ${newValue},\n` | ||
|
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| return `${removed}${added}` | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| import { RemovedDiffResult } from "../type.ts" | ||
| import AbstractDiffParser from "./AbstractDiffParser.ts" | ||
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| export default class RemovedObjectParser extends AbstractDiffParser { | ||
| constructor(private indent: string) { | ||
| super() | ||
| } | ||
|
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| public getDiff<O extends object, N extends object>( | ||
| result: RemovedDiffResult<O, N>, | ||
| ): string { | ||
| let text = "" | ||
| text += `- {\n` | ||
| Object.entries(result.old).forEach(([key, value]) => { | ||
| text += `- ${this.indent}${key}: ${this.toJsonValue(value)},\n` | ||
| }) | ||
| text += `- },\n` | ||
|
|
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| return text | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| import { DiffResult } from "../type.ts" | ||
| import AddedObjectParser from "./AddedObjectParser.ts" | ||
| import KeyParser from "./KeyParser.ts" | ||
| import RemovedObjectParser from "./RemovedObjectParser.ts" | ||
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| export const generateDiffText = <O extends object, N extends object>( | ||
| results: DiffResult<O, N>[], | ||
| ): string => { | ||
| const INDENT = " " | ||
| const parser = { | ||
| added: new AddedObjectParser(INDENT), | ||
| removed: new RemovedObjectParser(INDENT), | ||
| key: new KeyParser(INDENT), | ||
| } | ||
|
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| let text = "[\n" | ||
| results.forEach((result) => { | ||
| if (result.type === "added") text += parser.added.getDiff(result) | ||
| if (result.type === "removed") text += parser.removed.getDiff(result) | ||
| if (result.type === "unchanged") text += parser.key.getDiff(result) | ||
| if (result.type === "updated") text += parser.key.getDiff(result) | ||
| }) | ||
| text += "]" | ||
|
|
||
| return text | ||
| } |
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