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mvasilkov · Jan 18, 2020 · a665c41 · a665c41
1 parent c12559a
commit a665c41
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Showing 3 changed files with 56 additions and 22 deletions.
diff --git a/javascript/outdent.js b/javascript/outdent.js
@@ -0,0 +1,38 @@
+'use strict';
+Object.defineProperty(exports, "__esModule", { value: true });
+// Newlines
+const CR_LF = '\r\n';
+const LF = '\n';
+const ENDING = RegExp(`${CR_LF}|${LF}`);
+// Indentation
+const WS = '[ \t]';
+const NOT_WS = '[^ \t]';
+const PREFIX = RegExp(`^${WS}*(?=${NOT_WS})`);
+function indentLevel(a) {
+    const b = a.match(PREFIX);
+    if (b)
+        return b[0].length;
+    return Infinity; // Empty lines don't contribute to the indentation level
+}
+function clean(a) {
+    const start = a[0] ? 0 : 1;
+    const end = a[a.length - 1] ? a.length : -1;
+    return a.slice(start, end);
+}
+function outdentLines(a, options) {
+    var _a;
+    if ((_a = options) === null || _a === void 0 ? void 0 : _a.strict) {
+        const level = Math.min(...a.map(indentLevel));
+        if (isFinite(level) && level != 0)
+            return a.map(b => b.slice(level));
+        return a;
+    }
+    if (a.length < 2)
+        return clean(a);
+    return clean([a[0], ...outdentLines(a.slice(1), Object.assign({}, options, { strict: true }))]);
+}
+exports.outdentLines = outdentLines;
+function outdent(a, options) {
+    return outdentLines(a.split(ENDING), options).join('\n');
+}
+exports.outdent = outdent;
diff --git a/typescript/outdent.ts b/typescript/outdent.ts
@@ -22,8 +22,24 @@ function indentLevel(a: string): number {
     return Infinity // Empty lines don't contribute to the indentation level
 }
 
-export function outdentLines(a: string[], options: IOptions) {
+function clean(a: string[]): string[] {
+    const start = a[0] ? 0 : 1
+    const end = a[a.length - 1] ? a.length : -1
+    return a.slice(start, end)
 }
 
-export function outdent(a: string, options: IOptions) {
+export function outdentLines(a: string[], options?: IOptions): string[] {
+    if (options?.strict) {
+        const level = Math.min(...a.map(indentLevel))
+        if (isFinite(level) && level != 0)
+            return a.map(b => b.slice(level))
+        return a
+    }
+    if (a.length < 2) return clean(a)
+    return clean([a[0], ...outdentLines(a.slice(1),
+        Object.assign({}, options, { strict: true }))])
+}
+
+export function outdent(a: string, options?: IOptions): string {
+    return outdentLines(a.split(ENDING), options).join('\n')
 }
diff --git a/unindent.js b/unindent.js